Coding & Skills
380 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++
Means–Ends Analysis in AI: Subgoals, a 3-Disk Worked Example and Exam Traps
Learn the exact Means–Ends Analysis operator cycle, follow all seven moves of a 3-disk Tower of Hanoi solution, and avoid common reasoning traps.
Updated 20 Aug 20266 min readML & Data Science
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
Node.js Tutorial: The Complete Learning Path from Zero to Job-Ready
Stop collecting disconnected Node.js videos. Follow seven ordered stages, prove each one with a small build, and finish with a capstone you can discuss in interviews.
Updated 19 Aug 20265 min readWeb Development
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
Left Recursion Elimination and Left Factoring for GATE: Grammar Transformation Drills
Transform immediate and indirect left recursion without losing epsilon, then left-factor a dangling-else grammar. Each change is traced and counted.
Updated 19 Aug 20267 min readDSA & Algorithms
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 read54 viewsC++
Perceptron and Activation Functions MCQs: 11 Solved Questions
Work through 11 practice problems covering perceptron sums and outputs, sign and sigmoid activation, separating lines, linear separability, and ANN weights.
Updated 18 Aug 20268 min readML & Data Science
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 read54 viewsC