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Learn how SQL Injection works with real examples and a hands-on demo using PHP and MySQL. Explore a GitHub repo with vulnerable code to safely test and understand this critical web vulnerability.

Learn how CI/CD transforms software development by automating builds, tests, and deployments. Boost speed, reduce bugs, and release confidently with continuous integration and delivery.

Learn C memory management with clear examples of malloc, calloc, realloc, and free. Understand memory types, avoid common pitfalls, and optimize your C programs efficiently.

Learn efficient ways to append characters to C++ strings using push_back, +=, append, and +. Compare time complexity, performance, and memory usage for optimal string manipulation.

Localhost refers to the local computer, mapped to IP `127.0.0.1`. It is essential for development, allowing testing and debugging services on the same machine. This article explains its role, shows how to modify the hosts file in Linux and Windows.

Discover how characters like letters and digits are stored in computer memory using ASCII and Unicode encoding. Learn binary representation, conversions, and practical C/C++ code examples

Master the art of analyzing constraints in DSA problems to choose optimal solutions, prevent TLE, and understand how online judges evaluate submissions.

Learn how variadic functions like printf work in C using macros like va_list, va_start, and va_arg. Understand memory layout, argument access, and custom implementations.

Learn how to implement the Singleton design pattern in C++ with thread safety and lazy instantiation. Understand its usage, benefits, pitfalls, and practical real-world examples.

Understand pointers, arrays, and pointer arithmetic in C/C++. Learn how they relate, how memory is accessed, and how pointer types, arithmetic, and dereferencing impact performance and correctness.