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!DOCTYPE html>!-- ______     ______     _____     ______     ______     ______   ______     _____/\  ___\   /\  __ \   /\  __-.  /\  ___\   /\   \   /\   \ /\  __ \   /\  __-.\ \ \____  \ \ \/\ \  \ \ \/\ \ \ \  __\   \ \  __   \ \  _-/ \ \  __ \  \ \ \/\ \ \ \_____\  \ \_____\  \ \____-  \ \_____\  \ \_\ \_\  \ \_\    \ \_\ \_\  \ \____-  \/_____/   \/_____/   \/____/   \/_____/   \/_/ /_/   \/_/     \/_/\/_/   \/____/(c) 2025 CoderPad, Inc - Poking around? Want to chat? support@coderpad.io or @CoderPad-->html langen>head>  meta charsetUTF-8>  meta nameviewport contentwidthdevice-width, initial-scale1.0>  meta namedescription    contentCoderPad is the best tool available for conducting programming phone screen interviews. Edit code and run it with your candidate, realtime in the browser.>  link relshortcut icon hrefhttps://d1a7p14oqam61r.cloudfront.net/assets/coderpad_logo_32x32_favicon-c192e2443888b80109075a64c17a6f544fbbd5f4c01c918764c05355671bdab5.png>  link relapple-touch-icon hrefhttps://d1a7p14oqam61r.cloudfront.net/assets/coderpad_logo_32x32_favicon-c192e2443888b80109075a64c17a6f544fbbd5f4c01c918764c05355671bdab5.png>  title>Login | CoderPad/title>    meta propertyog:title contentLogin | CoderPad>    meta propertyog:description contentAn online IDE for technical interviews offering a better candidate experience.>    meta propertyog:image contenthttps://d1a7p14oqam61r.cloudfront.net/assets/coderpad_og_image-fa30e555ba90b1345a211d03525594e1f034e1d524dc675f709e5c0a4146f1ac.png>    meta propertyog:url contenthttps://square.coderpad.io/>    meta nametwitter:card contentsummary_large_image>  link relstylesheet mediaall hrefhttps://d1a7p14oqam61r.cloudfront.net/assets/application-0b949a057a500316bba53dc39859033756f51670d3f18b0c5aaaa8b46088319e.css />  meta namecsrf-param contentauthenticity_token />meta namecsrf-token contentErDVCnpykucYRYGX8PEvULz/vE0sFrsdrm2DRgi3Wmd1j0p8RQ+Ad4K+Zb7y5hx0LvuTVllO/0lxAIKkmE5a+Q />      !-- Global site tag (gtag.js) - Google Analytics -->  script async srchttps://www.googletagmanager.com/gtag/js?idG-BNB68819RG>/script>  script>    window.dataLayer  window.dataLayer || ; 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   window.hsConversationsSettings  {      loadImmediately: false,    }    window.CoderPad.ASSET_HOST  https://d1a7p14oqam61r.cloudfront.net      window.CoderPad.ASSETS  {        focus_time_warning.mp3: https://d1a7p14oqam61r.cloudfront.net/assets/focus_time_warning-653d0734307fb164b8881091ca780c436cd8f9332c81e5f69011b90b42484e23.mp3,        recording_in_progress.mp3: https://d1a7p14oqam61r.cloudfront.net/assets/recording_in_progress-0a7914bf82282341accb60912016c65ac9edb109a42e2efa339ded34157cfe9a.mp3,        speech-processor.js: https://d1a7p14oqam61r.cloudfront.net/assets/speech-processor-f6288af86006df64c7a94021a6bc1463aa8ebd5c4eca7a521038322f8e575426.js      }    window.CoderPad.AUTOCOMPLETE_URL  https://autocomplete.coderpad.io    window.CoderPad.CANONICAL_DOMAIN  coderpad.io    window.CoderPad.CANONICAL_URL  https://coderpad.io    window.CoderPad.COLORS  #36BFF9, #FBBD23, #FC6E8D, #A0D911, #A78BFA, #50B4B1    window.CoderPad.ENVIRONMENT  production    window.CoderPad.RELEASE  09bfd81f3405510f8ad72bfdb4a620dea191ed50    window.CoderPad.EXECUTE_URL  https://execute.coderpad.io    window.CoderPad.GPES_EXECUTE_URL  https://interview-execute.coderpad.io    window.CoderPad.AI_CHAT_SERVICE_URL  https://ai-chat.coderpad.io    window.CoderPad.SESSION_RECORDING_SERVICE_URL  https://playback.coderpad.io    window.CoderPad.TRANSCRIPT_SERVICE_URL  wss://transcription.coderpad.io    window.CoderPad.PROJECT_IFRAME_URL_SUFFIX  cdpad.io    window.CoderPad.SANDBOX_INTROS        This is a sandbox environment that allows you to experiment with CoderPads execution capabilities.,      Its a temporary throw-away session only visible to you so you can test out the programming environment.,      Once you select a language, to execute your code simply hit the Run button which will be located in the,      top left hand of your screen.,      ,      To see more information about the language you have selected, hit the Info button beside the language dropdown.,      Youll find what version of the language is running and the packages available for the given language.        window.CoderPad.SHORTLINK_URL  https://cpad.io    window.CoderPad.DRAWING_URL  https://drawing.coderpad.io    window.CoderPad.EXCALIDRAW_ROOM_SOCKET_URL  wss://excalidraw.coderpad.io    window.CoderPad.EXCALIDRAW_ROOM_API_URL  https://excalidraw.coderpad.io    window.CoderPad.USERFLOW_APP_ID  ct_dexqlwm5vrfmhbwtjxo2brslw4    window.CoderPad.USERFLOW_ENTERPRISE_ENV_ID  ct_ezu4jlnt3vbfrjvkkvrn7ysq4a    window.CoderPad.HUBSPOT_PORTAL_ID  26307476    window.CoderPad.HUBSPOT_CUSTOM_SCRIPT_SRC  https://js-eu1.hs-scripts.com/26307476.js    window.CoderPad.INTEGRATIONS_SERVICE_URL  https://ats-api.coderpad.io    window.CoderPad.GOOGLE_CLIENT_ID  210528517372-afkrdc2g5l84dva5pred8glfe37aiafi.apps.googleusercontent.com    window.CoderPad.LANGUAGES  {bash:{default_path:/tmp/project/main.bash,language_client_id:bash,display:Bash,version:GNU bash, version 5.2,tab_size:2,mode:text/x-sh,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,example:for i in `seq 1 10`;\ndo\n  echo \Hello, World! - \$i\ndone\n,name:bash},c:{default_path:/tmp/project/main.c,language_client_id:c,display:C,version:GCC 12.1 (C17),tab_size:2,mode:text/x-csrc,category:compiled,execution:true,custom_file_allowed:true,autocomplete:{type:legacy},line_comment_token://,block_comment_tokens:/*,*/,example:#include \u003cstdio.h\u003e\n\n// To execute C, please define \int main()\\n\nint main() {\n  for (int i  0; i \u003c 5; i++) {\n    printf(\Hello, World\\n\);\n  }\n  return 0;\n}\n,name:c},clojure:{default_path:/tmp/project/main.clj,language_client_id:clojure,display:Clojure,version:Clojure 1.11,tab_size:2,mode:clojure,category:compiled,execution:true,custom_file_allowed:true,line_comment_token:;;,example:(defn hello times\n  (prn \Hello, World\)\n  (cond (\u003e times 1) (hello (- times 1)))\n)\n\n(hello 5)\n,name:clojure},coffeescript:{default_path:/tmp/project/main.coffee,display:CoffeeScript,version:CoffeeScript 2.7 under Node.js v20,tab_size:2,mode:coffeescript,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,block_comment_tokens:###,###,example:_  require lodash\n\nsayHello  -\u003e\n  console.log Hello, World\n\nsayHello() for 1..5\n,name:coffeescript},cpp:{default_path:/tmp/project/main.cpp,language_client_id:cpp,display:C++,version:GCC 12.1.0 (C++20),tab_size:2,mode:text/x-c++src,category:compiled,execution:true,custom_file_allowed:true,test_case_grading:true,autocomplete:{type:lsp,diagnostics:false},database_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:#include \u003ciostream\u003e\nusing namespace std;\n\n// To execute C++, please define \int main()\\nint main() {\n  auto words  { \Hello, \, \World!\, \\\n\ };\n  for (const char* const\u0026 word : words) {\n    cout \u003c\u003c word;\n  }\n  return 0;\n}\n,packages:{libpqxx:{database:postgresql,display:libpqxx (Postgres),example:#include \u003ciostream\u003e\n#include \u003cpqxx/pqxx\u003e\n\nint main()\n{\n  try\n  {\n    pqxx::connection C{\postgresql:///coderpad?host/tmp/postgresql/socket\};\n    pqxx::work W{C};\n\n    pqxx::result R{W.exec(\SELECT id, first_name, last_name, salary FROM employees\)};\n\n    int count  R.size();\n    std::cout \u003c\u003c \Found \ \u003c\u003c count \u003c\u003c \ employees:\\n\;\n    for (auto row: R)\n      std::cout \u003c\u003c row0.c_str() \u003c\u003c \ | \ \u003c\u003c row1.c_str() \u003c\u003c \ | \ \u003c\u003c row2.c_str() \u003c\u003c \\n;\n\n    // Execute SQL to insert a record\n    W.exec(\INSERT INTO employees (first_name, last_name) VALUES (Person \ + std::to_string(count) + \, C++);\);\n    W.commit();\n    C.disconnect();\n  }\n  catch (std::exception const \u0026e)\n  {\n    std::cerr \u003c\u003c e.what() \u003c\u003c \\n;\n    return 1;\n  }\n  return 0;\n}\n,name:libpqxx},mysql_connector:{database:mysql,display:MySQL Connector,example:#include \u003cstdlib.h\u003e\n#include \u003ciostream\u003e\n\n#include \mysql_connection.h\\n\n#include \u003ccppconn/driver.h\u003e\n#include \u003ccppconn/exception.h\u003e\n#include \u003ccppconn/resultset.h\u003e\n#include \u003ccppconn/statement.h\u003e\n#include \u003ccppconn/prepared_statement.h\u003e\n\nusing namespace std;\n\nint main(void)\n{\n\ntry {\n  sql::Driver *driver;\n  sql::Connection *connection;\n  sql::Statement *statement;\n  sql::PreparedStatement *prepared_statement;\n  sql::ResultSet *result;\n\n  // Create a connection\n  driver  get_driver_instance();\n  connection  driver -\u003e connect(\unix:///tmp/mysql/socket/mysqld.sock\, \coderpad\, \\);\n  // Connect to the coderpad database\n  connection -\u003e setSchema(\coderpad\);\n\n  // Select all rows from the employees table.\n  statement  connection-\u003ecreateStatement();\n  result  statement-\u003eexecuteQuery(\SELECT * FROM employees;\);\n  sql::ResultSetMetaData *result_meta  result -\u003e getMetaData();\n  int columnCount  result_meta -\u003e getColumnCount();\n  int count  0;\n\n  cout \u003c\u003c \All rows in the employees table:\ \u003c\u003c endl;\n  while (result -\u003e next()) {\n    // Access result set by index, 1-indexed\n    for (int i  1; i \u003c columnCount; i++) {\n      cout \u003c\u003c result -\u003e getString(i) \u003c\u003c \ | \ ;\n    }\n    cout \u003c\u003c endl;\n    count++;\n  }\n  cout \u003c\u003c \There are \ \u003c\u003c count \u003c\u003c \ rows.\ \u003c\u003c endl;\n\n  // Insert a new row using a prepared statement\n  prepared_statement  connection -\u003e prepareStatement(\INSERT INTO employees (first_name, last_name) VALUES (?, ?)\);\n  prepared_statement -\u003e setString(1, \Person \ + to_string(count));\n  prepared_statement -\u003e setString(2, \C++\);\n  prepared_statement -\u003e executeUpdate();\n  delete prepared_statement;\n\n  delete connection;\n\n} catch (sql::SQLException \u0026e) {\n  cout \u003c\u003c \# ERR: SQLException in \ \u003c\u003c __FILE__;\n  cout \u003c\u003c $\ \u003c\u003c __FUNCTION__ \u003c\u003c $ on line \ \u003c\u003c __LINE__ \u003c\u003c endl;\n  cout \u003c\u003c \# ERR: \ \u003c\u003c e.what();\n  cout \u003c\u003c \ (MySQL error code: \ \u003c\u003c e.getErrorCode();\n  cout \u003c\u003c \, SQLState: \ \u003c\u003c e.getSQLState() \u003c\u003c \ )\ \u003c\u003c endl;\n}\n\ncout \u003c\u003c endl;\n\nreturn EXIT_SUCCESS;\n}\n,name:mysql_connector}},name:cpp},csharp:{default_path:/tmp/project/Main.cs,language_client_id:csharp,display:C#,version:.NET Core 8.0,tab_size:4,mode:text/x-csharp,category:compiled,execution:true,custom_file_allowed:true,test_case_grading:true,autocomplete:{type:legacy},database_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:using System;\n\n// To execute C#, please define \static void Main\ on a class\n// named Solution.\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        for (var i  0; i \u003c 5; i++)\n        {\n            Console.WriteLine(\Hello, World\);\n        }\n    }\n}\n,packages:{dapper_mysql:{database:mysql,display:Dapper (MySQL),example:using System;\nusing Dapper;\nusing MySql.Data.MySqlClient;\n\n// Define a class that matches the employees table.\npublic class Employee\n{\n    #nullable enable\n    public int id { get; set; }\n    public string? first_name { get; set; }\n    public string? last_name { get; set; }\n    public int? salary { get; set; }\n}\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        using (var connection  new MySqlConnection(\Server/tmp/mysql/socket/mysqld.sock; Protocolunix; Databasecoderpad; Usernamecoderpad\) )\n        {\n            // Select all rows from the employees table.\n            string employeesSql  \SELECT * FROM employees;\;\n            Console.WriteLine($\Running query: {employeesSql}\);\n            var employees  connection.Query\u003cEmployee\u003e(employeesSql);\n            int count  0;\n            foreach (var employee in employees)\n            {\n                Console.WriteLine(employee.id + \, \ + employee.first_name + \, \ + employee.last_name + \, \ + employee.salary);\n                count++;\n            }\n\n            // Insert a new row.\n            string insertSql  $\INSERT INTO employees (first_name, last_name, salary) VALUES (Person {count}, Csharp, {count * 10000});\;\n            Console.WriteLine($\Running query: {insertSql}\);\n            connection.Execute(insertSql);\n        }\n    }\n}\n,name:dapper_mysql},dapper_postgresql:{database:postgresql,display:Dapper (Postgresql),example:using System;\nusing Dapper;\nusing Npgsql;\n\n// Define a class that matches the employees table.\npublic class Employee\n{\n    #nullable enable\n    public int id { get; set; }\n    public string? first_name { get; set; }\n    public string? last_name { get; set; }\n    public int? salary { get; set; }\n}\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        using (var connection  new NpgsqlConnection(\Host/tmp/postgresql/socket; Databasecoderpad; Usernamecoderpad\))\n        {\n            // Select all rows from the employees table.\n            string employeesSql  \SELECT * FROM employees;\;\n            Console.WriteLine($\Running query: {employeesSql}\);\n            var employees  connection.Query\u003cEmployee\u003e(employeesSql);\n            int count  0;\n            foreach (var employee in employees)\n            {\n                Console.WriteLine(employee.id + \, \ + employee.first_name + \, \ + employee.last_name + \, \ + employee.salary);\n                count++;\n            }\n\n            // Insert a new row.\n            string insertSql  $\INSERT INTO employees (first_name, last_name, salary) VALUES (Person {count}, Csharp, {count * 10000});\;\n            Console.WriteLine($\Running query: {insertSql}\);\n            connection.Execute(insertSql);\n        }\n    }\n}\n,name:dapper_postgresql},entity_framework_mysql:{database:mysql,display:Entity Framework (MySQL),example:using System;\nusing Microsoft.EntityFrameworkCore;\nusing MySql.Data.EntityFrameworkCore;\n\n// Define a class that matches the employees table schema.\npublic class Employee\n{\n    #nullable enable\n    public int id { get; set; }\n    public string? first_name { get; set; }\n    public string? last_name { get; set; }\n    public int? salary { get; set; }\n}\n\npublic class DatabaseContext : DbContext\n{\n    public DbSet\u003cEmployee\u003e employees { get; set; }  null!;\n\n    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n    {\n      optionsBuilder.UseMySQL(\Server/tmp/mysql/socket/mysqld.sock; Protocolunix; Databasecoderpad; Usernamecoderpad\);\n    }\n}\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        using (var db  new DatabaseContext())\n        {\n            // Find all employees.\n            var employees  db.employees;\n            int count  0;\n            foreach(var employee in employees)\n            {\n                Console.WriteLine(employee.id + \, \ + employee.first_name + \, \ + employee.last_name + \, \ + employee.salary);\n                count++;\n            }\n\n            // Add a new employee.\n            Console.WriteLine($\Inserting new employee: Person {count}\);\n            var newEmployee  new Employee(){ first_name  $\Person {count}\, last_name  \Csharp\, salary  count * 10000 };\n            db.employees.Add(newEmployee);\n            db.SaveChanges();\n        }\n    }\n}\n,name:entity_framework_mysql},entity_framework_postgresql:{database:postgresql,display:Entity Framework (Postgres),example:using System;\nusing Microsoft.EntityFrameworkCore;\nusing Npgsql.EntityFrameworkCore.PostgreSQL;\n\n// Define a class that matches the employees table schema.\npublic class Employee\n{\n    #nullable enable\n    public int id { get; set; }\n    public string? first_name { get; set; }\n    public string? last_name { get; set; }\n    public int? salary { get; set; }\n}\n\npublic class DatabaseContext : DbContext\n{\n    public DbSet\u003cEmployee\u003e employees { get; set; }  null!;\n\n    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\n    {\n      optionsBuilder.UseNpgsql(\Host/tmp/postgresql/socket; Databasecoderpad; Usernamecoderpad\);\n    }\n}\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        using (var db  new DatabaseContext())\n        {\n            // Find all employees.\n            var employees  db.employees;\n            int count  0;\n            foreach(var employee in employees)\n            {\n                Console.WriteLine(employee.id + \, \ + employee.first_name + \, \ + employee.last_name + \, \ + employee.salary);\n                count++;\n            }\n\n            // Add a new employee.\n            Console.WriteLine($\Inserting new employee: Person {count}\);\n            var newEmployee  new Employee(){ first_name  $\Person {count}\, last_name  \Csharp\, salary  count * 10000 };\n            db.employees.Add(newEmployee);\n            db.SaveChanges();\n        }\n    }\n}\n,name:entity_framework_postgresql},mysql_data:{database:mysql,display:MySQL Connector/NET,example:using System;\nusing MySql.Data.MySqlClient;\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        MySqlConnection connection  new MySqlConnection(\Host/tmp/mysql/socket/mysqld.sock; Protocolunix; Databasecoderpad; Usernamecoderpad\);\n        connection.Open();\n        using var command  new MySqlCommand();\n        command.Connection  connection;\n\n        // Select all rows from the employees table.\n        command.CommandText  \SELECT * FROM employees;\;\n        Console.WriteLine($\Running query: {command.CommandText}\);\n        int count  0;\n        using (MySqlDataReader reader  command.ExecuteReader()) {\n            Console.WriteLine($\{reader.GetName(0)}, {reader.GetName(1)}, {reader.GetName(2)}, {reader.GetName(3)}\);\n            while (reader.Read())\n            {\n                Console.WriteLine($\{reader.GetValue(0)}, {reader.GetValue(1)}, {reader.GetValue(2)}, {reader.GetValue(3)}\);\n                count++;\n            }\n        }\n\n        // Insert a new row.\n        command.CommandText  $\INSERT INTO employees (first_name, last_name, salary) VALUES (Person {count}, Csharp, {count * 10000});\;\n        Console.WriteLine($\Running query: {command.CommandText}\);\n        command.ExecuteNonQuery();\n    }\n}\n,name:mysql_data},npgsql:{database:postgresql,display:Npgsql,example:using System;\nusing Npgsql;\n\nclass Solution\n{\n    static void Main(string args)\n    {\n        NpgsqlConnection connection  new NpgsqlConnection(\Host/tmp/postgresql/socket; Databasecoderpad; Usernamecoderpad\);\n        connection.Open();\n        using var command  new NpgsqlCommand();\n        command.Connection  connection;\n\n        // Select all rows from the employees table.\n        command.CommandText  \SELECT * FROM employees;\;\n        Console.WriteLine($\Running query: {command.CommandText}\);\n        int count  0;\n        using (NpgsqlDataReader reader  command.ExecuteReader()) {\n            Console.WriteLine($\{reader.GetName(0)}, {reader.GetName(1)}, {reader.GetName(2)}, {reader.GetName(3)}\);\n            while (reader.Read())\n            {\n                Console.WriteLine($\{reader.GetValue(0)}, {reader.GetValue(1)}, {reader.GetValue(2)}, {reader.GetValue(3)}\);\n                count++;\n            }\n        }\n\n        // Insert a new row.\n        command.CommandText  $\INSERT INTO employees (first_name, last_name, salary) VALUES (Person {count}, Csharp, {count * 10000});\;\n        Console.WriteLine($\Running query: {command.CommandText}\);\n        command.ExecuteNonQuery();\n    }\n}\n,name:npgsql}},name:csharp},dart:{default_path:/tmp/project/main.dart,language_client_id:dart,display:Dart,version:Dart 3.0,tab_size:2,mode:application/dart,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:void main() {\n  for(var i  0; i \u003c 5; i++) {\n    print(Hello, World!);\n  }\n}\n,name:dart},elixir:{default_path:/tmp/project/main.ex,display:Elixir,version:Elixir 1.15 (Erlang/OTP 26),tab_size:2,mode:elixir,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,example:for _ \u003c- 1..5, do: IO.puts \Hello, World!\\n,name:elixir},erlang:{default_path:/tmp/project/main.erl,display:Erlang,version:Erlang/OTP 26,tab_size:2,mode:text/x-erlang,category:compiled,execution:true,custom_file_allowed:true,line_comment_token:%,example:-module(solution).\n-export(start/0).\n\n% To execute Erlang, please declare the module as \solution\\n% and define a method named \start\ on it.\n\nstart() -\u003e\n  say_hello(5).\n\nsay_hello(0) -\u003e\n  0;\nsay_hello(N) -\u003e\n  io:format(\Hello, World~n\),\n  say_hello(N - 1).\n,name:erlang},fsharp:{default_path:/tmp/project/Main.fs,display:F#,version:.NET Core 8.0,tab_size:4,mode:text/x-fsharp,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:(*,*),example:module Solution\n\n\u003cEntryPoint\u003e\nlet main argv \n    printfn \Hello, World!\\n    0 // Return an integer exit code\n,name:fsharp},go:{default_path:/tmp/project/main.go,language_client_id:go,display:Go,version:Go 1.22,tab_size:2,mode:go,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:// To execute Go code, please declare a func main() in a package \main\\n\npackage main\n\nimport \fmt\\n\nfunc main() {\n  for i : 0; i \u003c 5; i++ {\n    fmt.Println(\Hello, World!\)\n  }\n}\n,name:go},gsheets:{display:Google Sheets,category:spreadsheets,name:gsheets},hack:{default_path:/tmp/project/main.hh,display:Hack,version:HHVM 4.172.0,tab_size:2,mode:text/x-hack,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:\u003c?hh\n\nfunction say_hello(): void {\n    echo \Hello, World!\\n\;\n}\n\n\u003c\u003c__EntryPoint\u003e\u003e\nasync function main(): Awaitable\u003cvoid\u003e {\n    for ($i  0; $i \u003c 5; $i++) {\n        say_hello();\n    }\n}\n,name:hack},haskell:{default_path:/tmp/project/Main.hs,display:Haskell,version:GHC 9.0,tab_size:2,mode:haskell,category:compiled,execution:true,custom_file_allowed:true,line_comment_token:--,block_comment_tokens:-{,-},example:-- Solution will run in Haskell Interpreted Mode\n\nmain  putStrLn \Hello, World!\\n,name:haskell},html:{default_path:/tmp/project/index.html,display:HTML/JS/CSS,version:HTML 5,tab_size:2,mode:htmlmixed,category:frontend,execution:true,block_comment_tokens:\u003c!--,--\u003e,example:\u003chtml\u003e\n  \u003chead\u003e\n    \u003cstyle\u003e\n      body {\n        background-color: #1d2126;\n        color: white;\n      }\n    \u003c/style\u003e\n  \u003c/head\u003e\n  \u003cbody\u003e\n    \u003ch1\u003eHello, World\u003c/h1\u003e\n  \u003c/body\u003e\n\u003c/html\u003e\n,multifile_example:\u003chtml\u003e\n  \u003chead\u003e\n    \u003cmeta charset\UTF-8\\u003e\n    \u003ctitle\u003eReact Pad\u003c/title\u003e\n    \u003cscript src\https://unpkg.com/react@17.0.2/umd/react.production.min.js\\u003e\u003c/script\u003e\n    \u003cscript src\https://unpkg.com/react-dom@17.0.2/umd/react-dom.production.min.js\\u003e\u003c/script\u003e\n    \u003cscript src\https://unpkg.com/@babel/standalone@7.13.12/babel.min.js\\u003e\u003c/script\u003e\n  \u003c/head\u003e\n  \u003cbody\u003e\n    \u003cdiv id\root\/\u003e\n  \u003c/body\u003e\n\u003c/html\u003e\n,global_file_path:/home/coderpad/index.html,global_file_label:HTML,files:{path:/home/coderpad/index.js,default_path:/tmp/project/index.js,label:JS,example:const Instructions  ()\u003e{\n  return (\u003cp\u003eWelcome to the 3-pane coding view. Weve started you off with a basic \u003cu\u003eReact\u003c/u\u003e project, but feel free to replace it with whatever suits your needs. You can write code separately across the panes or you can write JS and CSS inline in the \u003cb\u003eHTML\u003c/b\u003e file.\u003c/p\u003e)\n}\n\nconst App  () \u003e {\n  return (\n    \u003cdiv className\App\\u003e\n      \u003ch1\u003eHello React!\u003c/h1\u003e\n      \u003cInstructions/\u003e\n    \u003c/div\u003e\n  )\n}\n\nReactDOM.render(\u003cApp /\u003e, document.getElementById(root))\n,language:jsx},{path:/home/coderpad/index.css,default_path:/tmp/project/index.css,label:CSS,example:.App {\n  width:500px;\n  border:2px solid black;\n  border-radius:20px;\n  background: linear-gradient(#fff 10%, #f1f1f1 98%, #ccc);\n  padding:0 20px 20px;\n  font-family: monospace;\n}\n\nbody {\n  background: #def;\n}\n,language:css},name:html},java:{default_path:/tmp/project/src/main/java/Solution.java,language_client_id:java,display:Java,version:OpenJDK 20,tab_size:2,mode:text/x-java,category:compiled,execution:true,test_case_grading:true,database_allowed:true,custom_file_allowed:true,autocomplete:{type:lsp,diagnostics:true},line_comment_token://,block_comment_tokens:/*,*/,example:/*\n * Click `Run` to execute the snippet below!\n */\n\nimport java.io.*;\nimport java.util.*;\n\n/*\n * To execute Java, please define \static void main\ on a class\n * named Solution.\n *\n * If you need more classes, simply define them inline.\n */\n\nclass Solution {\n  public static void main(String args) {\n    ArrayList\u003cString\u003e strings  new ArrayList\u003cString\u003e();\n    strings.add(\Hello, World!\);\n    strings.add(\Welcome to CoderPad.\);\n    strings.add(\This pad is running Java \ + Runtime.version().feature());\n\n    for (String string : strings) {\n      System.out.println(string);\n    }\n  }\n}\n,packages:{jdbc_mysql:{display:JDBC (MySQL),database:mysql,example:import java.sql.*;\n\nclass Solution {\n  public static void main(String args) {\n    try {\n      Connection connection  DriverManager.getConnection(\jdbc:mysql://localhost:3306/coderpad\,\coderpad\,\\);\n\n      System.out.println(\Current records:\);\n      Statement statement  connection.createStatement();\n      ResultSet resultSet  statement.executeQuery(\SELECT * from employees\);\n      ResultSetMetaData resultSetMetaData  resultSet.getMetaData();\n      int columnsNumber  resultSetMetaData.getColumnCount();\n      int count  0;\n      while (resultSet.next()) {\n        count++;\n        for (int i  1; i \u003c columnsNumber; i++) {\n          if (i \u003e 1) {\n            System.out.print(\, \);\n          }\n          String columnValue  resultSet.getString(i);\n          System.out.print(resultSetMetaData.getColumnName(i) + \: \ + columnValue);\n        }\n        System.out.println(\\);\n      }\n      System.out.println(\There are \ + count + \ records.\);\n\n      String insertSql  \INSERT INTO employees (first_name, last_name) \\n        + \VALUES (Person \ + count + \, Java)\;\n      System.out.println(\Running SQL: \ + insertSql);\n      statement.executeUpdate(insertSql);\n\n    } catch (Exception e) {\n      System.out.println(e);\n    }\n  }\n}\n,name:jdbc_mysql},jdbc_postgresql:{display:JDBC (Postgres),database:postgresql,example:import java.sql.*;\n\nclass Solution {\n  public static void main(String args) {\n    try {\n      Connection connection  DriverManager.getConnection(\jdbc:postgresql://localhost:5432/coderpad\,\coderpad\,\\);\n\n      System.out.println(\Current records:\);\n      Statement statement  connection.createStatement();\n      ResultSet resultSet  statement.executeQuery(\SELECT * from employees\);\n      ResultSetMetaData resultSetMetaData  resultSet.getMetaData();\n      int columnsNumber  resultSetMetaData.getColumnCount();\n      int count  0;\n      while (resultSet.next()) {\n        count++;\n        for (int i  1; i \u003c columnsNumber; i++) {\n          if (i \u003e 1) {\n            System.out.print(\, \);\n          }\n          String columnValue  resultSet.getString(i);\n          System.out.print(resultSetMetaData.getColumnName(i) + \: \ + columnValue);\n        }\n        System.out.println(\\);\n      }\n      System.out.println(\There are \ + count + \ records.\);\n\n      String insertSql  \INSERT INTO employees (first_name, last_name) \\n        + \VALUES (Person \ + count + \, Java)\;\n      System.out.println(\Running SQL: \ + insertSql);\n      statement.executeUpdate(insertSql);\n\n    } catch (Exception e) {\n      System.out.println(e);\n    }\n  }\n}\n,name:jdbc_postgresql}},name:java},javascript:{sample_template_project_slug:react,default_path:/tmp/project/main.js,language_client_id:javascript,display:JavaScript,version:NodeJS v20.15.0,tab_size:2,mode:javascript,category:interpreted,execution:true,custom_file_allowed:true,test_case_grading:true,database_allowed:true,autocomplete:{type:legacy},line_comment_token://,block_comment_tokens:/*,*/,example:const _  require(lodash);\n\nfunction sayHello() {\n  console.log(Hello, World);\n}\n\n_.times(5, sayHello);\n,packages:{sequelize_mysql:{database:mysql,display:Sequelize (MySQL),example:const Sequelize  require(sequelize)\n\nasync function main() {\n  try {\n    // Connect to the database.\n    const sequelize  new Sequelize(coderpad, coderpad, , {\n      dialect: mysql,\n      dialectOptions: { socketPath: /tmp/mysql/socket/mysqld.sock },\n    })\n    await sequelize.authenticate()\n\n    const Employee  sequelize.define(employee, {\n      id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },\n      first_name: { type: Sequelize.STRING },\n      last_name: { type: Sequelize.STRING },\n      salary: { type: Sequelize.INTEGER },\n      department_id: { type: Sequelize.INTEGER },\n    }, {\n      timestamps: false\n    })\n\n    // Find existing records.\n    const employees  await Employee.findAll()\n    const count  employees.length\n    console.log(`There are ${count} records:`)\n    for (let employee of employees) {\n      console.log( , JSON.stringify(employee))\n    }\n\n    // Insert a new record.\n    const employeeAttrs  {\n      first_name: `Person ${count}`,\n      last_name: JavaScript,\n    }\n    console.log(`Inserting new record: ${JSON.stringify(employeeAttrs)}`)\n    const newPerson  Employee.build(employeeAttrs)\n    await newPerson.save()\n\n    // Run raw SQL to fetch the last record.\n    const  sqlResult, _metadata   await sequelize.query(`SELECT * FROM employees ORDER BY id DESC LIMIT 1`)\n    console.log(`The last record is: ${JSON.stringify(sqlResult)}`)\n\n  } catch (error) {\n    console.error(Error: , error)\n  }\n}\nmain()\n,name:sequelize_mysql},sequelize_postgresql:{database:postgresql,display:Sequelize (Postgres),example:const Sequelize  require(sequelize)\n\nasync function main() {\n  try {\n    // Connect to the database.\n    const sequelize  new Sequelize(coderpad, coderpad, , {\n      dialect: postgres,\n      host: /tmp/postgresql/socket,\n    })\n    await sequelize.authenticate()\n\n    const Employee  sequelize.define(employee, {\n      id: { type: Sequelize.INTEGER, primaryKey: true, autoIncrement: true },\n      first_name: { type: Sequelize.STRING },\n      last_name: { type: Sequelize.STRING },\n      salary: { type: Sequelize.INTEGER },\n      department_id: { type: Sequelize.INTEGER },\n    }, {\n      timestamps: false\n    })\n\n    // Find existing records.\n    const employees  await Employee.findAll()\n    const count  employees.length\n    console.log(`There are ${count} records:`)\n    for (let employee of employees) {\n      console.log( , JSON.stringify(employee))\n    }\n\n    // Insert a new record.\n    const employeeAttrs  {\n      first_name: `Person ${count}`,\n      last_name: JavaScript,\n    }\n    console.log(`Inserting new record: ${JSON.stringify(employeeAttrs)}`)\n    const newPerson  Employee.build(employeeAttrs)\n    await newPerson.save()\n\n    // Run raw SQL to fetch the last record.\n    const  sqlResult, _metadata   await sequelize.query(`SELECT * FROM employees ORDER BY id DESC LIMIT 1`)\n    console.log(`The last record is: ${JSON.stringify(sqlResult)}`)\n\n  } catch (error) {\n    console.error(Error: , error)\n  }\n}\nmain()\n,name:sequelize_postgresql},typeorm_mysql:{database:mysql,display:TypeORM (MySQL),example:const typeorm  require(typeorm)\n\n// Define entity for an existing table.\nconst employeesEntity  new typeorm.EntitySchema({\n  name: Employees,\n  columns: {\n    id: { primary: true, type: int, generated: true },\n    first_name: { type: varchar },\n    last_name: { type: varchar },\n    salary: { type: int },\n    department_id: { type: int },\n  }\n})\n\nasync function main() {\n  try {\n    // Connect to the database.\n    const connection  typeorm.getConnectionManager().create({\n      type: mysql,\n      username: coderpad,\n      database: coderpad,\n      synchronize: false, // Preserve columns of existing tables.\n      extra: { socketPath: /tmp/mysql/socket/mysqld.sock },\n      entities:  employeesEntity \n    })\n    await connection.connect()\n    const repository  connection.getRepository(Employees)\n    const manager  connection.manager\n\n    // Find existing records.\n    const employees  await repository.find()\n    const count  employees.length\n    console.log(`There are ${count} records:`)\n    for (let employee of employees) {\n      console.log(JSON.stringify(employee))\n    }\n\n    // Insert a new record.\n    const employeeAttrs  {\n      first_name: `Person ${count}`,\n      last_name: JavaScript,\n    }\n    console.log(`Inserting new record: ${JSON.stringify(employeeAttrs)}`)\n    await connection\n      .createQueryBuilder()\n      .insert()\n      .into(employeesEntity)\n      .values( employeeAttrs )\n      .execute()\n\n    // Run raw SQL to fetch the last record.\n    const sqlResult  await manager.query(`SELECT * FROM employees ORDER BY id DESC LIMIT 1`)\n    console.log(`The last record is: ${JSON.stringify(sqlResult)}`)\n\n  } catch (error) {\n    console.error(Error: , error)\n  }\n}\nmain()\n,name:typeorm_mysql},typeorm_postgresql:{database:postgresql,display:TypeORM (Postgres),example:const typeorm  require(typeorm)\n\n// Define entity for an existing table.\nconst employeesEntity  new typeorm.EntitySchema({\n  name: Employees,\n  columns: {\n    id: { primary: true, type: int, generated: true },\n    first_name: { type: varchar },\n    last_name: { type: varchar },\n    salary: { type: int },\n    department_id: { type: int },\n  }\n})\n\nasync function main() {\n  try {\n    // Connect to the database.\n    const connection  typeorm.getConnectionManager().create({\n      type: postgres,\n      username: coderpad,\n      database: coderpad,\n      synchronize: false, // Preserve columns of existing tables.\n      extra: { host: /tmp/postgresql/socket },\n      entities:  employeesEntity \n    })\n    await connection.connect()\n    const repository  connection.getRepository(Employees)\n    const manager  connection.manager\n\n    // Find existing records.\n    const employees  await repository.find()\n    const count  employees.length\n    console.log(`There are ${count} records:`)\n    for (let employee of employees) {\n      console.log(JSON.stringify(employee))\n    }\n\n    // Insert a new record.\n    const employeeAttrs  {\n      first_name: `Person ${count}`,\n      last_name: JavaScript,\n    }\n    console.log(`Inserting new record: ${JSON.stringify(employeeAttrs)}`)\n    await connection\n      .createQueryBuilder()\n      .insert()\n      .into(employeesEntity)\n      .values( employeeAttrs )\n      .execute()\n\n    // Run raw SQL to fetch the last record.\n    const sqlResult  await manager.query(`SELECT * FROM employees ORDER BY id DESC LIMIT 1`)\n    console.log(`The last record is: ${JSON.stringify(sqlResult)}`)\n\n  } catch (error) {\n    console.error(Error: , error)\n  }\n}\nmain()\n,name:typeorm_postgresql}},name:javascript},julia:{default_path:/tmp/project/main.jl,display:Julia,version:1.8.5,tab_size:4,mode:text/x-julia,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,block_comment_tokens:#,#,example:function say_hello()\n    println(\Hello, World!\)\nend\n\nsay_hello()\n,name:julia},kotlin:{default_path:/tmp/project/src/main/kotlin/Main.kt,language_client_id:kotlin,display:Kotlin,version:Kotlin 1.9,tab_size:2,mode:text/x-kotlin,category:compiled,execution:true,custom_file_allowed:true,autocomplete:{type:lsp},line_comment_token://,block_comment_tokens:/*,*/,example:import java.io.*;\nimport java.util.*;\n\n// To execute Kotlin code, please define a top level function named main\n\nfun main() {\n  for (i in 1..5) println(\Hello, World!\)\n}\n,name:kotlin},lua:{default_path:/tmp/project/main.lua,display:Lua,version:5.4.4,tab_size:2,mode:text/x-lua,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:--,block_comment_tokens:--,--,example:function say_hello()\n  print(\Hello, World!\)\nend\n\nsay_hello()\n,name:lua},markdown:{default_path:/tmp/project/main.md,display:Markdown,version:marked.js 0.4,tab_size:2,mode:gfm,category:documentation,execution:true,custom_file_allowed:true,block_comment_tokens:\u003c!--,--\u003e,example:CoderPad + Markdown\n\n\nWelcome to a real-time collaborative Markdown1 editor.\n\nIn addition to all the usual Markdown features, it uses\nGithub-Flavored Markdown2, except with breaks on newlines\ndisabled.\n\nArbitrary HTML input is disabled, for obvious security reasons,\nand \smart\ quotes are enabled.\n\nWe also support code fencing, through either backticks or\nindentation.\n\n```javascript\nfunction hello() {\n  var s  \Hi there!\;\n  console.log(s);\n}\n```\n\n1: http://daringfireball.net/projects/markdown/\n2: https://help.github.com/articles/github-flavored-markdown\n,name:markdown},mysql:{default_path:/tmp/project/main_mysql.sql,language_client_id:mysql,display:MySQL,version:MySQL Server 8.0,tab_size:2,mode:text/x-mysql,category:data,execution:true,custom_database:true,database_allowed:true,line_comment_token:--,block_comment_tokens:/*,*/,example:/*\nCoderPad provides a basic SQL sandbox with the following schema.\nYou can also use commands like `show tables` and `desc employees`\n\nemployees                             projects\n+---------------+---------+           +---------------+---------+\n| id            | int     |\u003c----+  +-\u003e| id            | int     |\n| first_name    | varchar |     |  |  | title         | varchar |\n| last_name     | varchar |     |  |  | start_date    | date    |\n| salary        | int     |     |  |  | end_date      | date    |\n| department_id | int     |--+  |  |  | budget        | int     |\n+---------------+---------+  |  |  |  +---------------+---------+\n                             |  |  |\ndepartments                  |  |  |  employees_projects\n+---------------+---------+  |  |  |  +---------------+---------+\n| id            | int     |\u003c-+  |  +--| project_id    | int     |\n| name          | varchar |     +-----| employee_id   | int     |\n+---------------+---------+           +---------------+---------+\n*/\n\nSELECT e.first_name, e.last_name, e.salary,\n  d.name as department_name\nFROM employees   AS e\nJOIN departments AS d ON e.department_id  d.id;\n,name:mysql},objc:{default_path:/tmp/project/main.m,language_client_id:objective-c,display:Objective-C,version:Clang 14 with GNUstep and libobjc2,tab_size:2,mode:text/x-objectivec,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:#import \u003cFoundation/Foundation.h\u003e\n#import \u003cstdio.h\u003e\n\nint main (int argc, const char * argv)\n{\n  @autoreleasepool {\n    NSString* hello  @\Hello, World!\;\n    for (int i  1; i \u003c 5; i++) {\n      printf(\%s #%d\\n\, hello UTF8String, i);\n    }\n  }\n}\n,name:objc},ocaml:{default_path:/tmp/project/main.ml,language_client_id:ocaml,display:OCaml,version:OCaml 5.0.0,tab_size:2,mode:text/x-ocaml,category:compiled,block_comment_tokens:(*,*),execution:true,custom_file_allowed:true,example:let rec sayHello n \n  match n with\n  | 0 -\u003e ()\n  | _ -\u003e print_endline \Hello, World!\; sayHello (n-1);;\n\nsayHello 5;;\n,name:ocaml},perl:{default_path:/tmp/project/main.pl,display:Perl,version:Perl 5.40,tab_size:2,mode:perl,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,example:use strict;\nuse warnings;\nuse Data::Dumper;\n\nfor (my $count  5; $count \u003e 1; $count--) {\n  print \Hello, World #$count\\n\;\n}\n,name:perl},php:{default_path:/tmp/project/main.php,language_client_id:php-serenata,display:PHP,version:Zend PHP 8.2,tab_size:2,mode:php,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:\u003c?php\n\n  // php code is wrapped in \u003c?php tags\n\n  for ( $i  0; $i \u003c 5; $i++) {\n    echo \Hello, World\\n\;\n  }\n?\u003e\n,name:php},plaintext:{default_path:/tmp/project/main.txt,display:Plain Text,tab_size:2,mode:text/plain,category:documentation,custom_file_allowed:true,example:This is just a simple shared plaintext pad, with no execution capabilities.\n\nWhen you know what language youd like to use for your interview,\nsimply choose it from the dots menu on the tab, or add a new language\ntab using the Languages button on the left.\n\nYou can also change the default language your pads are created with\nin your account settings: https://app.coderpad.io/settings\n\nEnjoy your interview!\n,name:plaintext},postgresql:{default_path:/tmp/project/main_postgres.sql,monaco_language:postgres,language_client_id:postgresql,display:PostgreSQL,version:PostgreSQL 12.4,tab_size:2,mode:text/x-pgsql,category:data,execution:true,custom_database:true,database_allowed:true,line_comment_token:--,block_comment_tokens:/*,*/,example:/*\nCoderPad provides a basic SQL sandbox with the following schema.\nYou can also use commands like \\dt; and \\d employees;\n\nemployees                             projects\n+---------------+---------+           +---------------+---------+\n| id            | int     |\u003c----+  +-\u003e| id            | int     |\n| first_name    | varchar |     |  |  | title         | varchar |\n| last_name     | varchar |     |  |  | start_date    | date    |\n| salary        | int     |     |  |  | end_date      | date    |\n| department_id | int     |--+  |  |  | budget        | int     |\n+---------------+---------+  |  |  |  +---------------+---------+\n                             |  |  |\ndepartments                  |  |  |  employees_projects\n+---------------+---------+  |  |  |  +---------------+---------+\n| id            | int     |\u003c-+  |  +--| project_id    | int     |\n| name          | varchar |     +-----| employee_id   | int     |\n+---------------+---------+           +---------------+---------+\n*/\n\nSELECT e.first_name, e.last_name, e.salary,\n  d.name as department_name\nFROM employees   AS e\nJOIN departments AS d ON e.department_id  d.id;\n,name:postgresql},powershell:{default_path:/tmp/project/main.ps1,language_client_id:powershell,display:PowerShell,version:PowerShell 7.4,gpes_language_version:7.4.0,tab_size:4,mode:application/x-powershell,category:interpreted,execution:true,line_comment_token:#,example:for ($i  1; $i -le 5; $i++) {\n    Write-Host \Hello, World!\\n}\n,name:powershell},python:{default_path:/tmp/project/main_python2.py,language_client_id:python2,display:Python 2,version:CPython 2.7,tab_size:4,mode:{name:python,version:2},category:interpreted,execution:true,custom_file_allowed:true,test_case_grading:true,database_allowed:true,autocomplete:{type:lsp,diagnostics:true},line_comment_token:#,block_comment_tokens:\\\,\\\,example:def say_hello():\n    print Hello, World\n\nfor i in xrange(5):\n    say_hello()\n,packages:{sqlalchemy_mysql:{database:mysql,display:SQLAlchemy (MySQL),example:import sqlalchemy\nfrom sqlalchemy.orm import sessionmaker\n\n# Connect to the DB and reflect metadata.\nengine  sqlalchemy.create_engine(mysql://coderpad:@/coderpad?unix_socket/tmp/mysql/socket/mysqld.sock)\nconnection  engine.connect()\nSession  sessionmaker(bindengine)\nsession  Session()\nmetadata  sqlalchemy.MetaData()\nmetadata.reflect(bindengine)\nemployees_table  metadata.tablesemployees\n\n# Get existing records.\ncount  session.query(employees_table).count()\nprint(There are %s employees: % count)\nemployees  session.query(employees_table).all()\nfor employee in employees:\n    print(employee)\n\n# Insert a record.\nattrs  {first_name: (Person %s % (count + 1)), last_name: Python}\nprint(Inserting new record: %s % attrs)\nconnection.execute(employees_table.insert().values(attrs))\n\n# Run raw SQL.\nresult  connection.execute(SELECT * FROM employees ORDER BY id DESC LIMIT 1)\nresult_as_list  result.fetchall()\nprint(The last record is: %s % result_as_list0)\n,name:sqlalchemy_mysql},sqlalchemy_postgresql:{database:postgresql,display:SQLAlchemy (Postgres),example:import sqlalchemy\nfrom sqlalchemy.orm import sessionmaker\n\n# Connect to the DB and reflect metadata.\nengine  sqlalchemy.create_engine(postgresql://coderpad:@/coderpad?host/tmp/postgresql/socket)\nconnection  engine.connect()\nSession  sessionmaker(bindengine)\nsession  Session()\nmetadata  sqlalchemy.MetaData()\nmetadata.reflect(bindengine)\nemployees_table  metadata.tablesemployees\n\n# Get existing records.\ncount  session.query(employees_table).count()\nprint(There are %s employees: % count)\nemployees  session.query(employees_table).all()\nfor employee in employees:\n    print(employee)\n\n# Insert a record.\nattrs  {first_name: (Person %s % (count + 1)), last_name: Python}\nprint(Inserting new record: %s % attrs)\nconnection.execute(employees_table.insert().values(attrs))\n\n# Run raw SQL.\nresult  connection.execute(SELECT * FROM employees ORDER BY id DESC LIMIT 1)\nresult_as_list  result.fetchall()\nprint(The last record is: %s % result_as_list0)\n,name:sqlalchemy_postgresql}},name:python},python3:{default_path:/tmp/project/main.py,language_client_id:python,display:Python 3,version:CPython 3.10,tab_size:4,mode:{name:python,version:3},category:interpreted,execution:true,custom_file_allowed:true,test_case_grading:true,database_allowed:true,autocomplete:{type:lsp,diagnostics:true},line_comment_token:#,block_comment_tokens:\\\,\\\,example:def say_hello():\n    print(Hello, World)\n\nfor i in range(5):\n    say_hello()\n,packages:{sqlalchemy_mysql:{database:mysql,display:SQLAlchemy (MySQL),example:import sqlalchemy\nfrom sqlalchemy.orm import sessionmaker\n\n# Connect to the DB and reflect metadata.\nengine  sqlalchemy.create_engine(mysql://coderpad:@/coderpad?unix_socket/tmp/mysql/socket/mysqld.sock)\nconnection  engine.connect()\nSession  sessionmaker(bindengine)\nsession  Session()\nmetadata  sqlalchemy.MetaData()\nmetadata.reflect(bindengine)\nemployees_table  metadata.tablesemployees\n\n# Get existing records.\ncount  session.query(employees_table).count()\nprint(There are %s employees: % count)\nemployees  session.query(employees_table).all()\nfor employee in employees:\n    print(employee)\n\n# Insert a record.\nattrs  {first_name: (Person %s % (count + 1)), last_name: Python}\nprint(Inserting new record: %s % attrs)\nconnection.execute(employees_table.insert().values(attrs))\n\n# Run raw SQL.\nresult  connection.execute(SELECT * FROM employees ORDER BY id DESC LIMIT 1)\nresult_as_list  result.fetchall()\nprint(The last record is: %s % result_as_list0)\n,name:sqlalchemy_mysql},sqlalchemy_postgresql:{database:postgresql,display:SQLAlchemy (Postgres),example:import sqlalchemy\nfrom sqlalchemy.orm import sessionmaker\n\n# Connect to the DB and reflect metadata.\nengine  sqlalchemy.create_engine(postgresql://coderpad:@/coderpad?host/tmp/postgresql/socket)\nconnection  engine.connect()\nSession  sessionmaker(bindengine)\nsession  Session()\nmetadata  sqlalchemy.MetaData()\nmetadata.reflect(bindengine)\nemployees_table  metadata.tablesemployees\n\n# Get existing records.\ncount  session.query(employees_table).count()\nprint(There are %s employees: % count)\nemployees  session.query(employees_table).all()\nfor employee in employees:\n    print(employee)\n\n# Insert a record.\nattrs  {first_name: (Person %s % (count + 1)), last_name: Python}\nprint(Inserting new record: %s % attrs)\nconnection.execute(employees_table.insert().values(attrs))\n\n# Run raw SQL.\nresult  connection.execute(SELECT * FROM employees ORDER BY id DESC LIMIT 1)\nresult_as_list  result.fetchall()\nprint(The last record is: %s % result_as_list0)\n,name:sqlalchemy_postgresql}},name:python3},r:{default_path:/tmp/project/main.r,language_client_id:r,display:R,version:R 4.3,tab_size:2,mode:r,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,example:for(i in 1:5) {\n  print(paste(\Hello, World:\, i))\n}\n,name:r},ruby:{default_path:/tmp/project/main.rb,language_client_id:ruby,display:Ruby,version:MRI 3.2,tab_size:2,mode:ruby,category:interpreted,line_comment_token:#,execution:true,custom_file_allowed:true,test_case_grading:true,database_allowed:true,autocomplete:{type:lsp,diagnostics:true},example:def say_hello\n  puts Hello, World\nend\n\n5.times { say_hello }\n,packages:{active_record_mysql:{database:mysql,display:ActiveRecord (MySQL),example:require active_record\n\nActiveRecord::Base.establish_connection(\n  adapter: mysql2,\n  socket: /tmp/mysql/socket/mysqld.sock,\n  username: coderpad,\n  password: ,\n  database: coderpad\n)\n\n# Define a class of an existing table.\nclass Employee \u003c ActiveRecord::Base; end\n\n# Get existing records.\ncount  Employee.count\nputs \There are #{count} employees:\\nEmployee.find_each do |employee|\n  puts employee.inspect\nend\n\n# Insert a new record.\nattrs  { first_name: \Person #{count + 1}\, last_name: \Ruby\ }\nputs \Inserting new record: #{attrs}\\nEmployee.create!(attrs)\n\n# Run raw SQL.\nresult  ActiveRecord::Base.connection.execute(\SELECT * FROM employees ORDER BY id DESC LIMIT 1\)\nputs \The last record is: #{result.first()}\\n,name:active_record_mysql},active_record_postgresql:{database:postgresql,display:ActiveRecord (Postgres),example:require active_record\n\nActiveRecord::Base.establish_connection(\n  adapter: postgresql,\n  host: /tmp/postgresql/socket,\n  username: coderpad,\n  password: ,\n  database: coderpad\n)\n\n# Define a class of an existing table.\nclass Employee \u003c ActiveRecord::Base; end\n\n# Get existing records.\ncount  Employee.count\nputs \There are #{count} employees:\\nEmployee.find_each do |employee|\n  puts employee.inspect\nend\n\n# Insert a new record.\nattrs  { first_name: \Person #{count + 1}\, last_name: \Ruby\ }\nputs \Inserting new record: #{attrs}\\nEmployee.create!(attrs)\n\n# Run raw SQL.\nresult  ActiveRecord::Base.connection.execute(\SELECT * FROM employees ORDER BY id DESC LIMIT 1\)\nputs \The last record is: #{result.first()}\\n,name:active_record_postgresql},sequel_mysql:{database:mysql,display:Sequel (MySQL),example:require sequel\n\nDB  Sequel.connect(\n  adapter: mysql2,\n  socket: /tmp/mysql/socket/mysqld.sock,\n  user: coderpad,\n  password: ,\n  database: coderpad\n)\n\nemployees  DB:employees\n\n# Fetch current records.\ncount  employees.count\nputs \There are #{count} employees:\\nemployees.all.each do |employee|\n  puts employee.inspect\nend\n\n# Insert a new record.\nnew_attrs  { first_name: \Person #{count + 1}\, last_name: \Ruby\ }\nputs \Inserting new record: #{new_attrs}\\nemployees.insert(new_attrs)\n\n# Run raw SQL.\nresult  DB.fetch(\SELECT * FROM employees ORDER BY id DESC LIMIT 1\)\nputs \The last record is: #{result.first()}\\n,name:sequel_mysql},sequel_postgresql:{database:postgresql,display:Sequel (Postgres),example:require sequel\n\nDB  Sequel.connect(\n  adapter: postgres,\n  host: /tmp/postgresql/socket,\n  user: coderpad,\n  password: ,\n  database: coderpad\n)\n\nemployees  DB:employees\n\n# Fetch current records.\ncount  employees.count\nputs \There are #{count} employees:\\nemployees.all.each do |employee|\n  puts employee.inspect\nend\n\n# Insert a new record.\nnew_attrs  { first_name: \Person #{count + 1}\, last_name: \Ruby\ }\nputs \Inserting new record: #{new_attrs}\\nemployees.insert(new_attrs)\n\n# Run raw SQL.\nresult  DB.fetch(\SELECT * FROM employees ORDER BY id DESC LIMIT 1\)\nputs \The last record is: #{result.first()}\\n,name:sequel_postgresql}},name:ruby},rust:{default_path:/tmp/project/main.rs,language_client_id:rust,display:Rust,version:Rust 1.72.0 (2021 Edition),tab_size:4,mode:text/x-rustsrc,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:fn main() {\n  for n in 0..5 {\n    println!(\{} - Hello, World!\, n);\n  }\n}\n,name:rust},scala:{default_path:/tmp/project/src/main/scala/Main.scala,language_client_id:scala,display:Scala,version:Scala 3.3.0,tab_size:2,mode:text/x-scala,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:// To execute Scala code, please define an object named Solution that extends App\n\nobject Solution extends App {\n  for (i \u003c- 0 until 5) println(\Hello, World!\)\n}\n,name:scala},solidity:{default_path:/tmp/project/contract.sol,display:Solidity,version:0.8.19,tab_size:2,mode:text/x-solidity,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:// SPDX-License-Identifier: MIT\npragma solidity ^0.8.19;\n\ncontract HelloWorld {\n  string public greet  \Hello World!\;\n}\n,name:solidity},swift:{default_path:/tmp/project/Sources/project/main.swift,language_client_id:swift,display:Swift 5,version:Swift 5.9,tab_size:2,mode:text/x-swift,category:compiled,execution:true,custom_file_allowed:true,autocomplete:{type:legacy,diagnostics:true},line_comment_token://,block_comment_tokens:/*,*/,example:import Foundation\n\nfor _ in 1...5 {\n  print(\Hello, World!\)\n}\n,name:swift},tcl:{default_path:/tmp/project/main.tcl,display:Tcl,version:Tcl 8.6,tab_size:2,mode:text/x-tcl,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token:#,example:set i 0\nwhile {$i \u003c 5} {\n    puts \Hello, World!\\n    incr i\n}\n,name:tcl},typescript:{sample_template_project_slug:react,default_path:/tmp/project/main.ts,language_client_id:typescript,display:TypeScript,version:TypeScript v5 under Node.js v20,tab_size:2,mode:text/typescript,category:interpreted,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:const _  require(lodash);\n\nclass Greeter {\n    greeting: string;\n    constructor(message: string) {\n        this.greeting  message;\n    }\n    greet() {\n        return \Hello, \ + this.greeting;\n    }\n}\n\nlet greeter  new Greeter(\world\);\n\n_.times(4, () \u003e console.log(greeter.greet()));\n,name:typescript},vb:{default_path:/tmp/project/main.vb,display:Visual Basic,version:.NET Core 8.0,tab_size:4,mode:text/x-vb,category:compiled,execution:true,custom_file_allowed:true,line_comment_token:,example: To run VB.net code, please define a \Sub Main\\n on the top level Module\n\nModule Solution\n    Sub Main()\n        Console.WriteLine (\Hello, World\)\n    End Sub\nEnd Module\n,name:vb},verilog:{default_path:/tmp/project/main.v,language_client_id:verilog,display:Verilog,version:Icarus Verilog 11.0,tab_size:2,mode:text/x-verilog,category:compiled,execution:true,custom_file_allowed:true,line_comment_token://,block_comment_tokens:/*,*/,example:module main;\n\ninitial begin\n  repeat (5) begin\n    $display(\Hello, World!\);\n  end\n  $finish;\nend\n\nendmodule\n,name:verilog}}    window.CoderPad.PLANS  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Domain > square.coderpad.io

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