Coding & Skills
373 articles in this topic
MERN Stack Interview Questions: Full-Stack Scenarios Freshers Face in 2026
Prepare the connected MERN scenarios fresher interviews use, from React hooks and Express middleware to MongoDB modelling and a complete request trace.
Updated 3 Sep 20266 min readDSA & Algorithms
Best Programming Language for Placements: Test Python, Java or C++ in 4 Weeks
Choose a placement coding language with evidence. This four-week trial checks employer support, timed results, explanation skill and debugging comfort before you commit.
Updated 2 Sep 20266 min readProgramming Languages Survey
C++ Arrays vs std::array vs std::span: Choose the Right Interface
Run the same five integers through raw-array, std::array and std::span interfaces, then choose from their ownership, size and lifetime contracts.
Updated 2 Sep 20266 min readC++
Fuzzy Systems and Inference Models: Membership Functions, Mamdani vs Sugeno, and a Worked Example
Learn how a fuzzy inference system turns crisp inputs into one useful output. Compare Mamdani, Sugeno, and Tsukamoto, then calculate a four-rule fan controller step by step.
Updated 2 Sep 20265 min read142 viewsML & Data Science
Dynamic Memory Allocation in C: malloc, calloc, realloc and free with a Worked Example
A runnable marks example shows how C requests, initializes, grows and releases runtime storage, with checked byte counts, ownership and safe realloc handling.
Updated 2 Sep 20265 min readC
JavaScript Generators Tutorial: yield, next(), and Lazy Iteration
Learn how function*, yield, next(), and yield* work through runnable traces. Build lazy ranges, bound infinite sequences, send values inward, and close generators safely.
Updated 2 Sep 20265 min readWeb Development
JavaScript Strings Tutorial: Methods, Template Literals, and Runnable Examples
Learn strings from their delimiters and zero-based indexes through searching, cleaning, and coercion. Each example is runnable, including a complete input-to-key transformation.
Updated 2 Sep 20265 min readJava
Functions in Python: Parameters, Return Values, Scope and Examples
Build, call and debug Python functions through traced examples. Learn how arguments, local scope and return values work, then test yourself with short exercises.
Updated 2 Sep 20265 min readPython
DSA in Python: heapq, collections and bisect for Coding Tests
Learn which Python built-in fits heaps, frequency maps, queues and sorted searches, with traced outputs and the complexity details hidden tests expose.
Updated 1 Sep 20265 min readDSA & Algorithms
JavaScript Prototypes and Inheritance: Tutorial with Runnable Examples
Understand how JavaScript finds inherited properties, shares methods, and implements constructor and class inheritance. Trace the chains, fix common mistakes, and test yourself.
Updated 1 Sep 20265 min readProgramming Languages Survey
C++ Classes and Objects MCQs: 11 Solved Questions on Members, Pointers and Inheritance
Work through 11 C++ classes and objects MCQs, then use the fresh explanations and fixed examples to repair mistakes in access, lifetime and inheritance rules.
Updated 1 Sep 20268 min readC++
Fuzzy Relations and Composition: Max-Min Concepts and a Worked Example
Learn how to read a fuzzy relation, form its inverse and alpha-cuts, and compute max-min composition cell by cell. The same matrices reveal common operator and transitivity traps.
Updated 31 Aug 20265 min readML & Data Science