Blog
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FastAPI Complete Guide | Python REST API· Async
Build high-performance Python APIs with FastAPI.
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JWT Authentication Guide | Access Tokens· Refresh Tokens
A guide to implementing secure JWT authentication in Node.js, covering token signing, refresh tokens, and common pitfalls.
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C++ explicit Keyword | 'explicit Keyword' Guide
explicit is a keyword attached to constructors and conversion operators to prevent implicit conversion.
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C++ Facade Pattern Complete Guide
C++ Facade pattern: wrap a complex subsystem behind one simple interface.
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SQL Query Optimization Practical Complete Guide
Index design, EXPLAIN, and common bottlenecks in N+1, joins, and subqueries. Practical guide to reducing slow queries.
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C++ RVO and NRVO | Return Value Optimization Complete Guide
RVO vs NRVO: when the compiler elides copies on return, C++17 guaranteed elision for prvalues, NRVO heuristics, and interaction with move semantics.
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C++ Classes and Objects: Constructors, Access Control,
Learn C++ OOP from scratch: classes, constructors, public/private access, destructors, const member functions, and the Rule of Three/Five with working.
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C++ std::pmr Complete Guide: Boost Performance 10x with
Master C++ std::pmr to achieve 10x memory allocation performance.
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Go context: timeouts and cancellation
Use context.WithTimeout, WithCancel, and WithDeadline in Go to bound work and propagate cancellation. HTTP server and client examples and common mistakes.
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Python Web Deployment | Heroku, AWS, and Docker in Practice
Deploy Python web apps: requirements.txt, .env, Gunicorn, Docker and Compose, Heroku, AWS EC2 with Nginx, systemd, and a production-minded checklist.