Programming Languages
216 articles in this topic
PHP Tutorial for Beginners: Build a Form-to-Database Request Flow
Follow Asha's registration from an HTML form through PHP validation and a safe MySQL insert, then display the saved row after a redirect.
Updated 20 Aug 20266 min readProgramming Languages Survey
C++ auto and decltype: Trace Every Deduced Type
Trace what C++ actually deduces when auto, references, const, decltype, and decltype(auto) interact, then confirm each result at compile time.
Updated 20 Aug 20266 min readC++
C++ Setup Tutorial: Install a Compiler and Run Your First Program
Set up a C++ compiler, turn main.cpp into an executable, and learn to diagnose the stage that failed. Two small programs make every command and value concrete.
Updated 20 Aug 20266 min readC
var vs let vs const in JavaScript: Scope, Hoisting and the Temporal Dead Zone
Trace block scope, early reads, loop callbacks, and const object mutation using the rules behind common JavaScript output questions.
Updated 19 Aug 20265 min readJava
Python Introduction and Setup Tutorial: Install, Verify, and Run Your First Programs
Set up Python with confidence by checking the command, isolating a project in .venv, and running a saved program whose output you can verify step by step.
Updated 19 Aug 20266 min readPython
Object-Oriented Programming: Classes, Objects and Inheritance with a Worked Java Example
Trace two Java objects from construction to output, and see how independent state, inheritance and runtime method dispatch work together.
Updated 18 Aug 20267 min readProgramming Languages Survey
Lambda Expressions in C++: Syntax, Captures and Worked Examples
Learn how C++ lambdas store captured state, accept parameters and work with STL algorithms. Follow each example from creation to exact output.
Updated 18 Aug 20266 min read51 viewsC++
Header Files and Linking in C: Build a Multi-File Program Step by Step
Build and debug a three-file C program while learning where declarations, definitions, external symbols, and storage belong.
Updated 18 Aug 20266 min read50 viewsC
this Keyword in JavaScript: call, apply, bind and Arrow Functions with Interview Traps
Determine this from the call site, compare explicit binding methods, and see why arrows behave differently in callbacks and object methods.
Updated 17 Aug 20265 min readJava
Python Functions and Modules: Complete Guide with Worked Examples
Build a reliable mental model for Python functions, scope, imports, and packages, then trace a two-module score report from call to printed result.
Updated 17 Aug 20266 min readPython
Inheritance MCQs: 12 Solved Questions on Code Reuse and Class Hierarchies
Solve 12 inheritance MCQs, then use clear explanations to separate hierarchy shape, access rules, assignment compatibility, constructor order and method lookup.
Updated 16 Aug 20268 min readProgramming Languages Survey
Algorithms Header in C++: Sort, Search and Transform with Runnable Examples
Learn the iterator-range model behind C++ standard algorithms through complete programs for sorting, searching, transforming and erase-remove.
Updated 16 Aug 20267 min readC++