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WebDev
@WebDev • Created Aug 2025 • Web
61 posts • 152 reactions • 48 comments
A community for web developers to share knowledge, discuss best practices, and collaborate on projects.
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Posted in WebDev group
SnappyTools • 4 hours • in Articles • 5 min read
JWT Explained: What's Inside a JSON Web Token and When to Use One
JSON Web Tokens JWTs are everywhere in modern authentication — but they're often used without a clear understanding of what they contain and what security guarantees they provide. Here's a practical breakdown. What is a JWT? A JWT is a compact, URL...
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Posted in WebDev group
SnappyTools • 5 hours • in Articles • 5 min read
Text Diffing: How Diff Algorithms Work and How to Use Them
The ability to compare two versions of text and see exactly what changed is fundamental to software development. Here's how diff algorithms work, how to use them in code, and when a browser-based tool beats the command line. What is a diff? A diff ...
1 Reactions 0 Comments
Posted in WebDev group
SnappyTools • 7 hours • in Articles • 5 min read
HTML Entity Encoding: Preventing XSS and Special Character Issues
HTML entity encoding is one of the fundamental security practices in web development. It also solves practical problems with displaying special characters correctly. Here's a complete reference. What is HTML entity encoding? HTML entities are textu...
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Posted in WebDev group
SnappyTools • 14 hours • in Articles • 4 min read
Word Count, Character Count, and Why They Both Matter for Web Content
Word count and character count are two numbers writers track constantly — but for different reasons. Word count measures how much you've written; character count determines whether it fits. Here's a practical look at both, with the platform limits th...
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Posted in WebDev group
SnappyTools • 14 hours • in Articles • 5 min read
camelCase, snake_case, kebab-case: A Developer's Guide to Naming Conventions
Every language and platform has its own naming conventions. Getting them right matters for readability, tooling compatibility, and fitting in with existing codebases. Here's a complete reference. The naming formats camelCase: First word lowercase, ...
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Posted in WebDev group
SnappyTools • 14 hours • in Articles • 5 min read
JavaScript Minification: What It Does, What It Doesn't, and How to Use It
JavaScript minification reduces file size by removing unnecessary characters while preserving functionality. Here's how it works, what tools to use, and common misconceptions. What minification does Before: javascript // Calculate the factorial of ...
4 Reactions 0 Comments
Posted in WebDev group
SnappyTools • 14 hours • in Articles • 5 min read
JSON Schema: Validating API Data with ajv and Python jsonschema
JSON Schema is the standard for describing and validating the structure of JSON data. It's used for API documentation, request/response validation, config file validation, and form validation. Here's a practical guide. Why JSON Schema matters Witho...
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Posted in WebDev group
SnappyTools • 19 hours • in Articles • 5 min read
Image to Base64: Converting Images for HTML, CSS, and Email Embedding
Embedding images as Base64 data URIs is one of those techniques that sounds complex but has straightforward use cases. Here's when it's the right approach, how to do it, and when to use regular image files instead. What is a Base64 image? A Base64 ...
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Posted in WebDev group
SnappyTools • 19 hours • in Tutorials • 5 min read
Markdown for Developers: A Complete Reference with HTML Output
Markdown is the closest thing to a universal documentation format. READMEs, wikis, blog posts, technical documentation — Markdown is the default choice. Here's a comprehensive reference for syntax, extensions, and conversion. Core syntax quick refer...
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Posted in WebDev group
SnappyTools • 19 hours • in Articles • 4 min read
Lorem Ipsum Explained: The History and Uses of Placeholder Text in Design
Lorem ipsum is ubiquitous in web design and print. Every developer and designer has copied it countless times. Here's where it came from, why it's still used, and when you should use something else instead. Where "Lorem ipsum" came from The passage...
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Posted in WebDev group
SnappyTools • 19 hours • in Articles • 5 min read
CSV to JSON: The Complete Conversion Guide for Developers
CSV and JSON are the two most common formats for structured data interchange. Here's how to convert between them correctly, with practical code for every language. Why the conversion is needed CSV Comma-Separated Values is the universal format for ...
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Posted in WebDev group
SnappyTools • 20 hours • in Articles • 5 min read
Keyword Density in 2026: What It Is, What It Isn't, and How to Use It
Keyword density is one of the oldest SEO concepts, and also one of the most misunderstood. Here's what it actually measures, what the research says about optimal values, and how to use it as a diagnostic rather than a target. What is keyword density...
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Posted in WebDev group
SnappyTools • 20 hours • in Articles • 5 min read
Flesch-Kincaid Explained: How to Measure (and Improve) Your Writing's Readability
If you have ever wondered whether your writing is too complex, or whether your documentation is actually readable, the Flesch-Kincaid readability formula has the answer. Here is what it measures, how to interpret the score, and what to do about it. ...
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Posted in WebDev group
SnappyTools • 20 hours • in Articles • 4 min read
CSS Color Formats Explained: HEX, RGB, HSL, and When to Use Each
CSS gives you at least five ways to write the same colour. That is genuinely useful — each format fits a different workflow. Here is a practical breakdown of when to use HEX, RGB, HSL, and the newer formats, with real examples. HEX #RRGGBB The most...
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Posted in WebDev group
SnappyTools • 1 day • in Articles • 5 min read
CSS Gradients: A Complete Reference for Developers
CSS gradients let you create smooth colour transitions without a single image file. They're resolution-independent, fast to render, and configurable entirely in CSS. Here's a complete reference covering all three gradient types, common patterns, and ...
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Posted in WebDev group
SnappyTools • 2 days • in Articles • 4 min read
Why Text Diffing Is a Developer Superpower
Text diffing is one of those tools you don't fully appreciate until you need it at 2am before a deployment. Then you need it desperately. A diff shows you exactly what changed between two versions of text — nothing more, nothing less. Sounds simple....
3 Reactions 0 Comments
Posted in WebDev group
SnappyTools • 3 days • in Articles • 3 min read
5 SQL Habits That Make Your Queries Unmaintainable
Most SQL problems aren't about syntax. They're about habits. The same bad patterns show up in every codebase, written by developers who knew better but were in a hurry. Here are five to stop immediately. 1. Single-line queries sql SELECT u.id, u.na...
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Posted in WebDev group
SnappyTools • 4 days • in Articles • 3 min read
5 Password Mistakes That Will Get Your Users Hacked
5 Password Mistakes That Will Get Your Users Hacked Password security looks simple. Set a minimum length, require a number and special character, done. Except it isn't. Most password requirements actively make things worse. Here's what's actually h...
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Posted in WebDev group
SnappyTools • 5 days • in Articles • 4 min read
YAML vs JSON: When to Use Each and How to Convert Between Them
YAML and JSON are both human-readable data serialisation formats — but they're used in very different contexts, and they have different strengths. Knowing when to reach for each one and how to convert between them saves time and avoids subtle bugs. ...
3 Reactions 1 Comments
Posted in WebDev group
SnappyTools • 6 days • in Articles • 4 min read
SQL Formatting: Why It Matters and How to Do It Fast
SQL is the language that powers most of the world's data — and it is also one of the most commonly written in the least readable way. A query that runs correctly often looks like this in the wild: sql SELECT u.id,u.name,o.total FROM users u JOIN ord...
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