## about this category
Programming is the central category at CodeCrush: here are the articles about building software — from the languages (Python, JavaScript, Java, C, Ruby, PHP) to the engineering practices that hold real systems up, by way of web development, APIs and architecture. Whether you write code every day or are learning your first language, this is the front door to the blog’s practical guides.
Topics in this category:#Software-Development#Programming-Languages#Web-and-APIs
## all articles
Programming
- Programming
Design Patterns: what they are and how to apply them in software
Design Patterns are reusable solutions to recurring software design problems. See categories, practical examples, and when to apply each one.
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Henrico - Programming
Low-Code: what it is, advantages, and when to use it
Low-code accelerates software creation with visual interfaces and ready-made components, requiring minimal coding. See advantages, risks, and when to adopt.
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Plugin Development: How to Extend Software
A plugin is a module that adds functions to an application via APIs and extension points, without changing the source code. See types, advantages, and how to create one.
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WebSockets: real-time bidirectional communication on the web
WebSocket is a protocol that keeps a persistent, full-duplex TCP connection between client and server, the foundation of chats, games, and real-time dashboards.
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iOS Development: a complete guide to building Apple apps
iOS development guide: learn to build apps for iPhone and iPad with Swift, Xcode, and SwiftUI, from requirements and costs to publishing on the App Store.
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Modern Web Development: Architectures and Methodologies
Modern web development combines architectures like microservices and serverless with agile practices and DevOps to create scalable, secure applications.
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How to build a standout GitHub: a guide for devs
A standout GitHub combines a profile README, organized repositories, projects with tests, and descriptive commits. See the step-by-step.
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JavaScript vs TypeScript: which to choose for your project?
TypeScript adds static typing to JavaScript and reduces errors in large projects; JavaScript remains ideal for prototypes and simple projects.
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COBOL: what it is and why it is still worth learning in 2026
COBOL is a 1959 language for business systems that still processes much of banking transactions; the talent shortage keeps demand high.
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Delphi Programming Language: Guide and Uses in 2026
Delphi is an object-oriented language based on Object Pascal, used to create native apps for Windows, macOS, iOS, and Android via RAD Studio.
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Java vs Go: which language to choose for your project?
Java offers a mature ecosystem and portability via the JVM; Go delivers lightweight binaries and native concurrency with goroutines. Compare performance and use cases.
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What is Scratch? A block programming guide
Scratch is the MIT block-based programming language for beginners. See what it is, how it works, how to start for free and why it teaches logic.
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Problem decomposition: what it is and how to apply it
Problem decomposition is the technique of breaking a complex challenge into smaller, manageable parts, applied in code, teams and crisis management.
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Renata - Programming
Google Maps API: What it is, how to implement it, and how much it costs
The Google Maps API lets you embed interactive maps, routes, and geolocation in websites and apps; it requires an API key and offers 10,000 free calls per month.
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Facebook Graph API: what it is and how to implement
The Graph API is Meta official HTTP interface for reading and publishing Facebook data. See how to register the app, authenticate users and make calls.
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How to Get Started with React: A Step-by-Step Guide for Beginners
React is the most used JavaScript library for building web interfaces. Learn to create your first app with Node.js, npx, and Vite step by step.
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PHP: what it is, what it is for, and how to get started in the language
PHP is an open-source language for web development that runs on 71.8% of sites with a known server-side language (W3Techs, 2026).
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Terminal Commands: A Guide for Windows, Mac, and Linux
A guide to essential terminal commands: dir, cd, and ipconfig in Windows CMD; ls, cp, mv, and grep in the Mac Terminal and the Linux shell.
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Golang: what it is, what it is for, and how to get started in the language
Go (Golang) is a compiled open-source language created at Google, with native concurrency via goroutines, used in APIs, cloud, and microservices.
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Why Do Nerds Like Programming? Passion and Code
Nerds like programming because it unites logic, problem solving and creation — and 68% of developers code as a hobby outside of work.
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Data Structures: Arrays, Stacks, Queues, Trees, and Hash
Data structures organize information in memory: arrays and lists hold collections, stacks and queues control order, and hash tables speed up lookups.
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Mock Objects: what they are and how to use them in tests
Mock objects are dependency simulations used in unit tests to isolate code, speed up execution and verify interactions without databases or APIs.
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The Ruby language: what it is, syntax, and Ruby on Rails
Ruby is a dynamic, object-oriented language created by Yukihiro Matsumoto, used in web development with Ruby on Rails, automation, and scripts.
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The R language: what it is, what it is for, and how to get started
R is an open-source language for statistics and data visualization, with more than 24 thousand packages on CRAN and central use in data science.
Read articleRenata - Programming
What is CSS? A guide to the web styling language
CSS (Cascading Style Sheets) is the language that defines colors, typography, and layout of HTML pages, used by 62% of devs according to Stack Overflow.
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Java Programming Language: A Complete Guide to Learn
Java is an object-oriented language that runs on any system via the JVM. See how to install the JDK, learn the syntax, and grow in your career.
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Boundary Value Analysis: What It Is and How to Apply It in Testing
Boundary value analysis is the black-box technique that tests the extremes of input partitions, where most software defects concentrate.
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The C language: what it is and how to start programming
C is a compiled language close to the hardware, created by Dennis Ritchie in 1972, used in operating systems, drivers, and embedded systems.
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Computer Graphics: What It Is, How It Works, and Where It''s Used
Computer graphics is the field that generates, manipulates, and displays images through algorithms and GPUs, used in games, film, design, medicine, and simulation.
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White-Box vs. Black-Box Testing: A Practical Guide
White-box testing analyzes the internal source code; black-box testing validates behavior through inputs and outputs. Learn when to use each strategy.
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Cyclomatic Complexity: What It Is and How to Calculate It
Cyclomatic complexity is McCabe''s metric that measures independent paths in code. Values up to 10 are considered safe, according to the NIST.
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Distributed DNS: why the internet has no central server
DNS is distributed to eliminate single points of failure: 13 root servers with more than 2,000 instances keep the internet running even under attack.
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What is SMTP: the essential email sending protocol
SMTP (Simple Mail Transfer Protocol) is the standard protocol that transfers emails between mail servers over TCP on port 25, defined in RFC 5321.
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Software testing: types, tools, and best practices
Software testing checks whether a system works as expected and detects bugs before delivery, reducing costs, risks, and rework.
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7 Most Used Programming Languages in the World in 2026
Python, JavaScript, Java, C++, C, C# and Go lead TIOBE, Stack Overflow and GitHub rankings in 2026. See where each one shines and which to learn.
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BDD: What Behavior-Driven Development Is
BDD is an agile practice that describes software behavior in Given-When-Then scenarios, aligning business, developers, and QA before the code.
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Semantic HTML: what it is, tags and how it improves SEO
Semantic HTML uses tags like header, nav, main and article to describe the meaning of content, improving accessibility, SEO and machine readability.
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Top programming languages in 2026
Python leads the IEEE Spectrum and Stack Overflow rankings in 2026, followed by JavaScript, SQL, Java and the C languages in the most demanded jobs.
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Semantic versioning (SemVer): what it is and how to use it
Semantic versioning (SemVer) is the MAJOR.MINOR.PATCH standard that communicates the impact of each release and helps avoid dependency hell.
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Nielsen Heuristics: the 10 usability rules
The 10 Nielsen Heuristics are usability principles created by Jakob Nielsen to evaluate interfaces and fix UX problems.
Read articleRenata - Programming
Best VSCode themes and extensions: 2026 guide
VSCode is the most used editor in the world (75.9%): see the best themes, like Dracula, and the essential extensions to code faster in 2026.
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10 Sites with Programming Challenges to Practice
Meet 10 sites with programming challenges — HackerRank, LeetCode, Codeforces, and more — to train algorithms, data structures, and logic.
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Programming Logic: What It Is, Concepts, and How to Learn
Programming logic is the foundation for creating algorithms: understand variables, conditionals, loops, and data structures with practical examples in Python.
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5 Sites to Learn CSS by Playing: Flexbox and Grid
Flexbox Froggy, Flexbox Zombies, Grid Garden, Flexbox Defense and Grid Critters teach CSS Flexbox and Grid with interactive browser games.
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7 Sites to Practice JavaScript with Real Challenges
HackerEarth, Edabit, CodinGame, Codewars, LeetCode, HackerRank and CodeChef offer free challenges to practice JavaScript online.
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Framework: what it is, how it works, and which to choose in 2026
A framework is a reusable code structure that standardizes and accelerates software development. See the types, examples, and how to pick yours.
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Types of Frameworks: Web, Mobile, Data, and Games
Frameworks are reusable code structures that accelerate projects. Meet the types for web, mobile, data science, games, and IoT.
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What is Python? A beginner's guide with examples
Python is a high-level, interpreted and multiparadigm language, used in data science, AI, automation and web. See examples and how to start.
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