Blog

Sep 17, 2026 32 min read Intermediate

C++ Memory Leaks: Causes, Detection, and Prevention

Understand heap leaks: lost pointers, exception paths, shared_ptr cycles. Valgrind, ASan/LSan, heap profilers, Visual Studio, RAII, suppression files, and CI.
May 31, 2026 20 min read Intermediate

C++ Copy & Move Constructors: Rule of Five and RAII

Rule of Five in C++: copy/move constructors and assignment, deep copy vs shallow, self-assignment, noexcept moves, copy elision, and FileHandle patterns.
Jul 22, 2026 14 min read Advanced

C++ Alignment and Padding: Why sizeof Surprises You, alignas, #pragma pack and False Sharing

Where struct padding comes from, how member order changes sizeof, what alignas and #pragma pack really do, why packed structs are risky, and false sharing.
May 29, 2026 25 min read Advanced

C++ Performance Optimization Case Study

Speeding up a slow C++ REST endpoint step by step: a baseline harness, perf profiling, a hash index, fewer string copies, reserved buffers, and why parallel JSON is the step to doubt.
Jun 15, 2026 45 min read Advanced

C++ Lock-Free Programming: CAS, ABA, and Memory Order

Replace mutex hot spots with atomics and CAS: a lock-free stack, Michael-Scott and SPSC queues, picking a memory_order, and fixing ABA with tagged pointers.
May 25, 2026 24 min read Beginner

Bubble, Selection and Insertion Sort: Time Complexity and Why Insertion Sort Wins on Nearly Sorted Data

Bubble, selection and insertion sort in Python with their time complexity, why insertion sort wins on nearly sorted data, and how Timsort fits in.
May 25, 2026 20 min read Intermediate

Quick Sort, Merge Sort and Heap Sort: How O(n log n) Sorting Works and When Each Wins

Quick, merge and heap sort in Python: how each reaches O(n log n), when quick sort degrades to O(n^2), which are stable or in-place, and Kth largest.
May 25, 2026 14 min read Intermediate

Dynamic Programming: Memoization vs Tabulation and How to Spot a DP Problem

Dynamic programming from first principles: when it is valid, defining the state, memoization vs tabulation, lru_cache recursion limits, and table sizing bugs.
Jul 19, 2026 14 min read Intermediate

Angular for Enterprise Apps: Components, Services, DI, Signals and Standalone Components

Modern Angular with standalone components: DI and services, HttpClient, routing, typed reactive forms, Signals vs RxJS, and NullInjectorError fixes.
Jul 19, 2026 13 min read Intermediate

Building an Admin Dashboard with Ant Design: Forms, Tables and Theming

Ant Design v5 admin screens in React: Form instances and rules, typed Table columns, server-side paging, design tokens, and static message pitfalls.