Blog

Sep 17, 2026 17 min read Beginner

C++ enum class: Scoped Enums, Underlying Types, Exhaustive switch, and Stable Serialized Values

Strongly typed scoped enums in C++11 and later: no implicit int conversion, explicit underlying types, switch exhaustiveness warnings that actually fire, type-safe bit flags, and keeping stored enum values stable.
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.
Sep 17, 2026 20 min read Intermediate

C++ RAII Explained | Why Constructors and Destructors Prevent Leaks

A deep dive into C++ RAII grounded in a real production connection-leak incident, covering exception safety, the C++ Core Guidelines, and composable ownership.
Sep 17, 2026 42 min read Intermediate

shared_ptr and weak_ptr Internals: Control Blocks, Cycles, enable_shared_from_this and Aliasing

std::shared_ptr reference counting, control blocks, weak_ptr observers, cycles, enable_shared_from_this, aliasing, custom deleters, and production patterns in modern C++.
Sep 17, 2026 11 min read Intermediate

C++ Casting

When to use static_cast, dynamic_cast, const_cast and reinterpret_cast, what each checks, the undefined behavior they hide, and where std::bit_cast fits.
Sep 17, 2026 32 min read Intermediate

std::unique_ptr: Exclusive Ownership, make_unique, Custom Deleters and Moving Ownership

std::unique_ptr explained: RAII, make_unique, custom deleters, arrays, move semantics, PIMPL, containers, and exception-safe factories.
Sep 17, 2026 19 min read Intermediate

Python Task Scheduling | Automate Jobs with schedule

Schedule Python jobs with schedule and APScheduler: cron syntax, timezones, misfire handling, persistence, and multi-worker duplicate-run pitfalls.
Sep 16, 2026 14 min read Intermediate

ES2024 JavaScript Features: Object.groupBy, Promise.withResolvers, Resizable ArrayBuffer and the RegExp v Flag

What ES2024 really added: Object.groupBy and Map.groupBy, Promise.withResolvers, resizable ArrayBuffer and transfer, well-formed strings and the RegExp v flag.
Sep 16, 2026 34 min read Intermediate

Python asyncio in Practice: Event Loops, Async Context Managers, Concurrency Limits and Debugging

Use Python asyncio correctly: how the event loop runs coroutines, capping concurrency with Semaphore, async context managers, and when threads fit better.
Sep 16, 2026 30 min read Intermediate

Finding and Fixing Slow React Renders: memo, useMemo, useCallback, Code Splitting and Profiling

Measure React re-renders with DevTools and the Profiler API, then fix them with React.memo, useMemo, useCallback, virtualization and code splitting.