Program

Project Structure and Program.cs

How a default ASP.NET Core project is laid out and how Program.cs bootstraps the host, services, and request pipeline.

The Flink Execution Model

How Flink transforms a program into a JobGraph and ExecutionGraph, schedules parallel tasks, and moves data between operators via streams and partitions.

Fortran Program Structure

How a Fortran program is organized, from the program statement and implicit none through declarations, executable statements, and program units.

Fortran Quick Reference

A condensed cheat sheet of core modern Fortran syntax, intrinsics, and conventions for day-to-day coding.

Your First Fortran Program

A hands-on walkthrough of writing, compiling, and running a simple Fortran program, from source file to executable.

Pascal Program Structure

How every Pascal program is organized into a program heading, declaration sections, and a main statement block.

Your First Pascal Program

Write, compile, and run a simple Pascal program that reads user input and prints output, tying together everything from earlier topics.

Arduino Quick Reference

A condensed reference of the essential Arduino functions, data types, pin modes, and communication calls for fast lookup while coding.

Your First VB.NET Program

Writing, compiling, and running a minimal VB.NET console program, and understanding Sub Main, Console.WriteLine, and the build/run workflow.

Your First LISP Program

Write, save, and run a complete Common Lisp program: defining functions with defun, printing output, and loading a source file.

Your First Prolog Program

A hands-on walkthrough of writing a family.pl file, loading it into SWI-Prolog, and querying it interactively with backtracking.

Your First Objective-C Program

Writing, compiling, and running a first Objective-C 'Hello, World!' program from the terminal.

Your First D Program

Write, compile, and run your first D program, and understand the module, import, and main() concepts every D file relies on.

Your First Dart Program

Write, structure, and run a minimal Dart program from the command line, understand the required main() entry point, and try Dart instantly in the browser with…

Your First Clojure Program

Write, structure, and run a complete first Clojure program, covering namespaces, function composition, and program entry points.

Your First F# Program

A walkthrough of scaffolding, understanding, and running a basic F# console application, from Program.fs to dotnet run.

Your First Erlang Program

Writing, compiling, and running a real Erlang module, from module declaration and exports through the shell workflow.

Your First Elixir Program

Write, run, and understand your first Elixir program, from a standalone script to a proper Mix module with functions and a test.

Your First Haskell Program

Writing, compiling, and running a first Haskell program, from a one-line Hello World to a small interactive do-notation example.

Your First Scala Program

A hands-on walkthrough of writing, compiling, and running a complete Scala program, from the @main entry point to reading input from the console.

COBOL Program Structure

How a COBOL source file is organized into divisions, sections, paragraphs, and sentences, plus the classic fixed-format column layout.

Your First COBOL Program

Write, compile, and run a complete Hello World COBOL program, and learn the most common mistakes beginners make along the way.

Your First Assembly Program

A hands-on walkthrough of writing, assembling, linking, and running a minimal x86-64 Linux assembly program from scratch.

Your First C++ Program (Hello World)

Write, compile, and run your first C++ program — the classic Hello World example — with a line-by-line explanation of every part.