c

Learn how to find substrings in C using strstr function, custom implementations, and advanced search techniques with practical examples.

Learn why memory addresses in integer arrays appear 16 bits apart when integers are 32 bits. Explanation of hexadecimal memory addressing in C programming.

Learn why i = i++ doesn't increment the variable i due to undefined behavior in C/C++. Understand post-increment temporary values and side-effects.

Master parsing arbitrary files in Python, Java, or C with libraries like filetype and Apache Tika for type detection. Handle custom parsers, offline fallbacks with magic bytes, regex, OCR, and workflows for JSON, PDF, CSV.

Learn efficient methods to check file existence in C/C++. Compare C++17 filesystem, legacy C++, and C approaches for optimal performance when verifying thousands of files.

Exploring what happens when malloc'd memory isn't freed before C program termination. OS memory reclamation vs proper memory management practices for simple vs long-running applications.

Learn key differences between static const, #define, and enum for constants in C programming. Type safety, scope, and debugging comparisons.

Learn how compound literals work as struct initializers in C, their lifetime rules, and C23 changes. Understand temporary object guarantees.

Learn why using feof() to control file reading loops in C programming causes problems with duplicate records and invalid data processing. Discover proper alternatives for reading files until EOF.

Fix counter overflow issues to accurately compute used memory blocks in a 20k pool using uint32_t alloc_num and free counters. Handle wrapping, sum overflow, edge cases, and concurrency for reliable counter memory tracking.

Why C's nan(const char *tagp) accepts a string: WG14 rationale, how tagp maps to IEEE 754 QNaN payloads, common parsing strategies and portability implications.

Resolve C compiler errors like stray '\342' in program, exponent has no digits for long double literals (e−27), invalid ^ operator, and printf issues. Use ASCII hyphens, powl(), %Lf formatting for clean GCC compilation.

Discover alternative ways to print your name in C without printf: putchar loops, puts/fputs, write calls, ASCII codes, macros. Fix common issues, pros/cons, and beginner tips for print c and output in c basics.

Learn why C's == operator fails for floating-point numbers like 0.1 increments due to binary precision. Use epsilon comparison, rounding, fixed-point scaling, and GSL for reliable equality checks and numerical solving.

Why does C integer literal promotion for 2654435769 differ between Windows (LLP64) and Linux (LP64)? Explains signed vs unsigned rules, truncation in uint32_t mul, and fix with 'u' suffix for cross-platform code.

Learn what stack and heap are in programming, their physical location in computer memory, differences in management by OS or runtime, sizes, scope, and why stack is faster. Detailed guide with examples.