Thread.Sleep pauses a thread for a specified time, but its behavior depends on OS scheduling; Sleep(0) yields the CPU to let other threads run, while Sleep(1000) doesn’t guarantee immediate wake‑up, illustrating how time‑slice and priority‑based scheduling affect thread execution.
This article explores five obscure yet useful C language features—enum bit‑fields, label‑and‑goto error handling, varargs functions, unconventional union usage, and conditional compilation—providing clear explanations and code examples to help programmers write more flexible and efficient code.
Based on analysis of over 14 million developer job postings from January 2022 to May 2023, DevJobsScanner identified JavaScript/TypeScript, Python, Java, C#, PHP, C/C++, Ruby, and Go as the eight programming languages with the highest demand, accounting for roughly 29% of all language‑specific positions.
The July 2023 TIOBE Index reveals that C++ has almost caught up with C, while JavaScript climbs to a historic high of #6, several languages return to record positions, and the full Top 100 ranking—including a detailed list of languages ranked 51‑100—is presented with trend charts and methodological notes.
This guide explains how rtty combines a lightweight C client, a Go server, and a Vue front‑end to provide web‑accessible terminals for remote Linux device maintenance, covering its key features, installation steps, token generation, and browser‑based access.
This article walks through creating Rust projects that call C functions directly, generate bindings with bindgen, and wrap a complex C library (secp256k1), providing complete commands, Cargo configurations, and build scripts for seamless Rust‑C integration.
An anonymous developer built WinGPT, a C‑based ChatGPT client that runs on Windows 3.1 and later 16‑or 32‑bit Windows versions, using native TLS 1.3 to connect to OpenAI’s API, highlighting the challenges of retro UI controls, Winsock dependency, and icon creation on legacy systems.
This guide explains Linux serial port device files, shows how to list them, and provides four C programming methods—polling, select‑based interrupt, SIGIO signal handling, and threaded reading—complete with code examples and detailed configuration steps.
This article explains what Linux system calls are, how they are implemented—including parameter preparation, mode switching, execution, and return—and lists common file, process, network, and device calls, highlighting their role in enabling applications to access kernel services.
This article explains how Linux kernel drivers use wait queues for process sleep and wake‑up, covering static and dynamic initialization, the various wait_event macros, wake‑up functions, complete driver source code, Makefile setup, and step‑by‑step build and testing instructions.
The TIOBE June 2023 ranking reveals Python still leading but slipping to 13% share, while AI-driven popularity, emerging languages X++ and Raku, and the steady rise of C, C++, and Java reshape the top‑10 programming language landscape.
This article explains the inner workings of Redis Hashes, covering the dict and listpack storage mechanisms, memory‑optimizing conditions, rehashing strategies, and the underlying C structures that enable fast O(1) field lookups and efficient memory usage.
This article walks through the Linux kernel's slab cache memory‑freeing path, explaining the kmem_cache_free API, validation steps, fast‑path and slow‑path reclamation, CPU‑local and NUMA‑node handling, and the final destruction of slab caches with detailed code examples.
The article shows how to shrink Android NDK .so binaries by over 30% through code de‑duplication, disabling exceptions/RTTI/iostream, using fine‑grained sections with LTO and dead‑code elimination, limiting exported symbols via version scripts, employing JNI dynamic registration, and consolidating C++ runtime dependencies into a shared library.
This article investigates the performance degradation caused by DPDK memory fragmentation, explains the underlying heap and element management, presents detailed profiling and test results, and proposes two practical solutions that dramatically reduce allocation latency and improve overall system throughput.
The article compares C++ and Java in terms of job opportunities, industry demand, skill requirements, and career advice, helping graduates decide which language aligns best with their background and the current market trends in 2023.
The article explains that many core components of modern computing—operating systems, network stacks, compilers, drivers, and runtimes—are written in C/C++, making the language essential for infrastructure, but because reinventing these complex systems is impractical, beginners often shift to higher‑level languages for application development, illustrated with a Lego analogy.
This article provides a comprehensive guide to error handling in C, covering error classification, step‑by‑step handling procedures, return‑value and out‑parameter techniques, global errno usage, goto and setjmp/longjmp jumps, signal handling, program termination functions, assertions, and practical encapsulation patterns with full code examples.
This article explains how to improve Android local‑search latency by embedding JavaScriptCore via JNI, detailing the performance bottlenecks, the integration workflow, essential JSC APIs, JNI usage patterns, and concrete C++/Java code examples that cut processing time by roughly half.
The May 2024 TIOBE programming language index shows minimal changes in the top 20, with Go falling to #12, C++ climbing to #4 with over 3% growth, and newer languages like Swift and Rust still finding it hard to break into the top 100, while the CEO emphasizes the stability of language popularity.
This article explains the differences between std::function and std::invoke in C++, shows how std::function can wrap callable objects such as function pointers, and demonstrates using std::invoke to call various callable types—including free functions and member functions—through clear code examples.
This article explains what unit testing is, provides C# code examples for a simple calculator, and discusses four reasons why automated unit tests should run in CI/CD pipelines to improve development speed, prevent regressions, and protect code written by other developers.
A seemingly harmless C bug caused a Windows build to ignore a ternary file‑creation expression because a stray backslash in a comment turned the following code into a comment, illustrating how tiny syntax errors can cripple cross‑platform programs.
This article provides an introductory overview of several widely used programming languages—including Python, Go, C, C++, Java, PHP—and explains why Windows is primarily developed in C++, highlighting each language's origins, key advantages, and typical use cases.
This article walks you through the complete process of compiling pure‑C eBPF programs using the Linux 4.18 kernel source, covering environment setup, kernel source acquisition, essential build steps, detailed make command analysis, and verification of both user‑space and kernel‑space components.
WebAssembly has evolved to version 2.0, offering extensive instruction support, large memory handling, and vector operations, and is now widely used across web and non‑web scenarios; this article surveys popular languages (C/C++, Rust, Go, AssemblyScript, JavaScript, etc.) and key toolchains such as Emscripten, Binaryen, wasi‑sdk, TinyGo, wabt, wasm‑pack, and wasm‑bindgen.
The April 2024 TIOBE index shows a stable top‑20 with Python, C, Java, C++ and C# unchanged, a 4.68% surge for C++, Rust holding its lower‑top‑20 spots, and the newcomer Zig entering the top 50 at rank 46, accompanied by a brief overview of its key features and industry reactions.
This article explains how improper pointer usage and memory‑alignment violations in C can cause crashes on microcontrollers, demonstrates the issue with a concrete code example, and provides portable solutions such as byte‑wise access or memcpy to avoid unaligned accesses.
This article explains the two‑stage socket I/O process in Linux, compares blocking, non‑blocking, and I/O multiplexing techniques, details the select, poll, and epoll APIs with their advantages and drawbacks, and provides complete C code examples for a high‑performance TCP server and client.
This article explains Linux's socket networking framework, details BSD Socket APIs, the abstraction and VFS layers, protocol families, and provides comprehensive guides with code samples for creating, configuring, and using TCP and UDP sockets in C.
This article shares a newcomer’s six‑month experience in game test development, covering automation testing fundamentals, script writing, maintenance practices, tool creation workflows, and cross‑language integration between C#, Lua, PHP, and SQL, offering practical guidance for aspiring test engineers.
This article explains the principles of memory leaks, details the zero‑overhead libmemunreachable detector, walks through its core algorithms and code, and describes the modifications Taobao made to enable reliable leak detection in Android release builds.
This tutorial walks you through creating a basic Unix shell in C, covering prompt output, command input, parsing with strtok, handling built‑in commands like cd and echo, forking child processes, executing commands via execvp, and assembling the complete source code.
This article explains how C programs allocate, resize, initialize, and transfer memory using functions like malloc, free, realloc, memset, memcpy, memmove, and alloca, and provides coding standards to avoid out‑of‑bounds errors, leaks, and use‑after‑free bugs.
This article compiles a detailed interview guide covering TCP/UDP differences, three‑way handshake and four‑way termination, flow and congestion control, select/poll/epoll mechanisms, zero‑copy techniques, Redis advantages and persistence, MySQL MVCC and repeatable‑read semantics, as well as core C++ topics and common algorithm questions.
This tutorial walks through extending a C‑based Lisp interpreter with string support, comment parsing, built‑in print and error commands, file loading capabilities, providing complete code examples and explanations for each feature in the interpreter.
This tutorial walks through extending a C‑based Lisp interpreter by adding conditional branching, comparison built‑ins, an if keyword, and registering all built‑in functions, while providing the complete source code and explanations for each component.
This article presents the EJC (Electron‑Java‑C/C++) architecture adopted by ZhiZhuan’s quality‑inspection platform, detailing its layered design, communication modules, JNI/JNA integration, performance comparisons, and real‑world implementation for cross‑platform desktop tools, illustrating how the approach enhances extensibility, maintainability, and scalability.
This tutorial walks through adding Q‑Expression support to a Lisp‑style interpreter written in C, covering syntax definition, parser updates, implementation of head, tail, join, list, and eval functions, macro‑based assertions, and a complete source listing with compilation instructions.
This article explains the concept of S‑Expressions, defines their simple syntax, and provides a complete C implementation that parses, stores, evaluates, and prints S‑Expression based Lisp code, including detailed explanations of data structures, constructors, destructors, and evaluation logic.
This article explains how to create a Lispy Value storage system in C, defining numeric and error types, enumerations, constructors, printing functions, and semantic error detection to support a simple Lisp REPL that evaluates Polish notation expressions.
This article explains Polish (prefix) notation, defines its syntax and lexical rules, and walks through implementing a full parser and evaluator in C using the MPC library, complete with code examples, compilation instructions, and sample interactive sessions.
This guide walks through building a cross‑platform interactive C REPL, covering basic input/output loops, integrating GNU Readline for line editing and history, handling portability with preprocessor directives, and using the MPC library to create a simple Doge language parser.
This article introduces Lispy, a parsing‑style language built in C, outlines its design goals, showcases core features such as interactive REPL, arithmetic, list handling, lambda functions, conditional logic, and demonstrates a suite of utility libraries with complete code examples.
This article explains the fundamental concepts behind C language compilation, covering lexical, syntax, and semantic analysis, GCC options, file types, static and dynamic linking, ELF structure, and the loader process that turns source code into a runnable program.
This article provides a comprehensive guide to C functions—including their categories, signatures, parameter passing, pointer parameters, variadic arguments, callbacks, and recursion—and delves into the C preprocessor, covering directives, macro definitions, operators, and practical macro examples for safer and more expressive code.
This article explains the syntax and execution semantics of while(1) and for(;;) in C, compares their generated assembly code, and demonstrates through a practical gcc compilation that both constructs produce identical machine code for an infinite loop.
This article explains C language operators—including arithmetic, assignment, increment/decrement, comparison, logical, bitwise, comma, and ternary operators—covers operator precedence and associativity, and provides detailed examples of conditional and loop statements such as if/else, switch, for, while, and do/while constructs.
This article explains C variables and constants, their three components, key differences, how to define symbolic constants with #define, use the const keyword, understand various scopes, the static storage class, and the distinction between declarations and definitions, all illustrated with code examples.
This article explains C enumeration and union types, covering their definitions, common use cases, declaration syntax, variable creation, usage in switch statements and loops, and demonstrates how to access and correctly use union members with clear code examples.
This article provides a comprehensive guide to C structures, covering declaration, variable definition, typedef aliases, initialization methods, pointer usage, member access, memory layout, nested structs, and bit fields, complete with code examples and visual illustrations to help readers understand and apply these concepts effectively.
This comprehensive guide explains C arrays, their ordered and indexable nature, how to define, initialize, and access both one‑dimensional and multidimensional arrays, explores pointer arrays and array pointers, demonstrates passing arrays to functions, returning array pointers, and covers essential string handling functions such as strcpy, strlen, strcmp, and strncmp.
This article explains C's value semantics versus reference semantics, introduces pointers as the bridge between them, details pointer definitions, types, operators, and common pitfalls such as null, dangling, and wild pointers, and demonstrates pointer arithmetic with clear code examples.
This article provides a comprehensive overview of C language data types, covering basic, derived, pointer, void, and derived types, their memory sizes, value ranges, signedness, platform‑dependent variations, and related keywords such as sizeof, size_t, and fixed‑width uintX_t types.
This tutorial explains how to call C and C++ code from Python by compiling source files into shared libraries, using the ctypes module to load and invoke functions, and demonstrates both simple C functions and C++ class methods with complete code examples and compilation instructions.
GaiaX’s cross‑platform expression module uses a C++ LR(1) parser with lexical, syntax and semantic analysis to bind data, support arithmetic and functions, unify values via GXValue, bridge iOS and Android through JNI, and achieves sub‑millisecond execution for simple and nested expressions.
The article explains Linux’s Virtual File System (VFS) as an interface layer that treats all objects as files, illustrates the concept with Java‑style interface examples, then details the underlying C structures—file, file_operations, dentry, inode—and shows how the kernel links them to enable diverse file systems.
This article explains how C++ implements runtime polymorphism through virtual function tables, analyzes the memory layout of single‑ and multiple‑inheritance classes using gcc and gdb, and clarifies the role of thunks and offset adjustments for correct virtual calls.
At the end of 2022 the NSA warned that C and C++ are unsafe and urged a shift to languages like Rust or Go, but Bjarne Stroustrup counters that modern C++ offers robust static analysis, type and resource safety, and that the agency’s view overlooks these advances.
Creator of C++ Bjarne Stroustrup counters the NSA’s recommendation to replace C/C++ with memory‑safe languages, arguing that modern C++ has evolved with robust safety features, static analysis, and guidelines that can ensure type and resource safety without abandoning the language.
The article explains how to integrate Flutter‑based Windows applications by encapsulating native functionality in a modular C++ XModule framework—using macro‑generated providers, a global ModuleCenter, and CMake‑configured libraries—while managing all third‑party dependencies with vcpkg and private registries to ensure clean architecture and maintainable cross‑platform code.
This tutorial explains the difference between \r and \n, the role of line buffering in C, and shows step‑by‑step code—including a countdown and a full‑screen progress bar—using printf, fflush, sleep/usleep, and multi‑file project structure on Linux.
This article explains GaiaX’s cross‑platform expression engine, covering its design, LR(1) grammar‑based parsing, syntax‑tree construction, C++ core implementation, Android JNI and iOS bridge integration, unified data types, performance benchmarks, and how it ensures consistent, high‑performance UI rendering on mobile devices.
This article examines how high‑performance sorting functions such as C's qsort() and Java's Collections.sort() are implemented, compares suitable algorithms, analyzes merge sort versus quicksort, and presents practical optimizations like median‑of‑three pivots, random pivots, recursion depth limits, and hybrid insertion sort.
This tutorial explains the difference between \r and \n, line buffering, and how to use fflush and usleep to create a live updating progress bar and countdown timer in a Linux C program, complete with multi‑file implementation and sample code.
This article compares PyInstaller and Nuitka for converting Python projects into executables, highlighting Nuitka's dramatically smaller output size, faster build and startup times, and provides step‑by‑step installation and command‑line usage instructions.
The TIOBE Index named C++ the 2022 Language of the Year, highlighting its market‑share surge, the rise of Rust and other languages, and expert opinions on why C++ remains a high‑performance choice despite growing competition from newer languages.
The article shares a developer’s journey from Android app development to framework development, detailing motivations, environment setup, daily tasks, challenges, essential skills, and a structured learning roadmap for mastering Android’s system layers.
This article introduces the fundamentals of the Base64 encoding algorithm, explains its role in reverse‑engineering and security scenarios, details the encoding and decoding processes, and provides complete Java and native C++ implementations with code examples for Android development.
While(1) and for(;;) both create infinite loops in C, but this article explains their syntactic forms, execution semantics, and demonstrates through compiled assembly that they generate identical machine code, highlighting subtle differences and confirming they are functionally equivalent.
This article explains what Unix signals are, categorizes reliable and unreliable signals, describes how they are generated by hardware and software, and details registration, blocking, pending states, handling functions, and common usage examples with C code.
This article explains what Unix signals are, categorizes reliable and unreliable signals, describes how they are generated by hardware and software, and details registration, blocking, pending states, handling functions, and practical code examples for custom signal processing.
The article explains how glibc’s default ptmalloc allocator structures memory into main and non‑main arenas, uses chunk‑based bins (fast, unsorted, small, large) for allocation and deallocation, details its locking and OS‑interaction mechanisms, and evaluates its design trade‑offs versus modern allocators.
The latest TIOBE programming language index shows Java falling to fourth place for the first time since 2001, C++ surpassing Java for the first time, while Kotlin and Julia climb toward the top‑20, accompanied by detailed charts and a discussion of upcoming annual language awards.
The TIOBE December 2022 ranking shows C++ overtaking Java for the first time, Python and C remaining dominant, Java falling to fourth, and several languages such as SQL, Swift, and R moving up, while the index’s methodology and full listings are explained for developers and tech decision‑makers.
This guide introduces Ryujinx, an open‑source Nintendo Switch emulator written in C#, outlines its development history and compatibility stats, and provides three clear steps—installing .NET 7 SDK, cloning the repo, and building the project—to get the emulator up and running.
This open‑source C++ mock framework leverages Frida‑gum to replace any function—including static, member, virtual, and library calls—at runtime without source changes, offering simple MOCK and MOCK_RETURN macros, call‑count expectations, automatic scope‑based rollback, and cross‑platform support for reliable, non‑intrusive unit testing.
The article argues that for most developers, especially those from ordinary schools, learning C++ is costly and inefficient, while Go can be mastered quickly and aligns better with current hiring demands that prioritize practical backend skills and project experience.
This guide explains C pointers, covering their definition, basic syntax, pointer arithmetic, multi‑level pointers, the relationship between pointers and multi‑dimensional arrays, and the distinction between array pointers and pointer arrays, supplemented with clear code examples and visual analogies.
This article explains how to use GDB watchpoints to monitor specific memory locations in C/C++ programs, demonstrates setting hardware watchpoints, shows example code with a thread modifying a variable, and details the underlying CPU debug registers that enable real‑time detection of memory reads and writes.
This article explains what Unix signals are, categorizes reliable and unreliable signals, describes how they are generated by hardware and software, and provides detailed examples of registration, blocking, pending states, and custom handling using C functions such as kill, sigprocmask, sigaction, and signal.
The article profiles Joe Fitzsimons, founder and CEO of Horizon Quantum Computing, detailing his vision to bridge traditional software development with quantum computing by creating an IDE that lets C and C++ programmers build quantum applications, and compares Horizon's approach with competitors while outlining future industry use cases.
The November TIOBE ranking reveals Python, C, Java, and C++ maintaining top positions with steady growth, while Rust holding 20th place, and languages like Ruby, Swift, and Visual Basic declining, and Fortran falling out of the top 20, highlighting shifting trends in programming language popularity.
This tutorial walks you through using Dart's foreign function interface (FFI) in Flutter, showing how to create a macOS plugin project, generate bindings with ffigen, call native C/C++ functions, handle callbacks and asynchronous threads, and integrate message passing between Dart isolates and native code.
The article examines Google’s Carbon language as a modern successor to C++, discussing its goals, design principles, interoperability with existing C++ code, and how it compares to other successor languages like Rust, Kotlin, and TypeScript.
The article examines the open‑source Perspective library—originating from J.P. Morgan’s FinOS—and its multi‑language architecture that combines C++/WASM, Rust, JavaScript, and Python to deliver high‑performance, framework‑free data visualizations for real‑time financial analytics, highlighting its use of Apache Arrow, Web Components, and Jupyter integration.
This article details the investigation and resolution of a MySQL 8.0.21 client segmentation fault on CentOS 8.4, covering missing ncurses libraries, implicit function declaration warnings, pointer truncation on 64‑bit systems, core‑file generation, gdb analysis, and the steps required to rebuild the client without crashes.
This tutorial explains the difference between newline and carriage‑return, the three buffering modes of stdio, and shows step‑by‑step C code that uses fflush, format specifiers, and a custom loop to create a live console progress bar and countdown timer.
This article outlines essential practices for secure software development, covering Microsoft's Security Development Lifecycle, Visual Studio security features, and comprehensive secure coding guidelines—including safe APIs, SafeInt library usage, trust boundaries, type casting, and file operation safeguards—to reduce vulnerabilities such as buffer overflows and memory errors.
This article explains the purpose and proper use of C++'s virtual keyword, illustrating how virtual functions enable polymorphism, detailing class memory layout with vtables and vptrs, comparing performance impacts, and outlining when virtual functions and destructors are truly necessary.
Microsoft Azure CTO Mark Russinovich announced that developers should cease launching new C/C++ projects and consider Rust for non‑GC scenarios, prompting a robust defense from C++ creator Bjarne Stroustrup highlighting recent safety improvements and sparking widespread community debate.
This article explains how C/C++ function pointers work, demonstrates their compiled address, shows why they lack context, introduces a closure struct to bundle code with data, and relates this pattern to C++'s std::function for storing callables with captured environment.
Ladybird, an open‑source cross‑platform browser created by SerenityOS author Andreas Kling, evolved from a LibWeb debugging tool into a full GUI browser, leveraging SerenityOS’s LibWeb, LibJS, and Qt, and currently runs on Linux, macOS, Windows (WSL) and Android, though still early‑stage.
This article explains how to use LLVM's clang-format and clang-tidy tools for C/C++ code formatting and static analysis, covering Docker images, binary installations, and integration into development workflows via GitHub Actions and pre‑commit git hooks to enforce consistent code quality.
This article explains Netty’s reactor‑based asynchronous architecture, compares classic multithread, select, poll and epoll models, demonstrates JNI integration with C code, and provides a complete hand‑written epoll server example to illustrate high‑performance backend networking in Java.
The new Rainbow Braces extension for Visual Studio highlights matching brackets in customizable colors, helping developers quickly identify code blocks, reduce syntax errors, and improve navigation across languages like C#, JavaScript, and TypeScript.
This article explains Netty’s high‑performance asynchronous architecture, the evolution of I/O multiplexing models from select to poll and epoll, demonstrates Java‑C integration via JNI with detailed code examples, and provides a complete hand‑written epoll server in C for achieving million‑connection concurrency.
Google unveiled the experimental Carbon language at the CPP North conference, positioning it as a C++ successor with modern syntax, safety features, and seamless C++ interoperability, while industry leaders debate its readiness, purpose, and potential impact on the programming ecosystem.
Following the recent .NET Conf, this article outlines the key C# 11 enhancements—including generic math support, required class members, and raw string literals—explaining their purpose, usage, and the upcoming .NET 7 release schedule, while also noting community reactions and future .NET 8 LTS plans.
This guide introduces CodeQL, explains how to install the required tools, shows how to generate a source‑code database, and walks through basic and advanced rule syntax with practical C/C++ examples, enabling security researchers to efficiently discover vulnerabilities in large codebases.
