Base64 ブログ
Base64エンコーディング、認証、圧縮など、開発者が本当に知っておくべきことについてのチュートリアルと深掘りガイド — 余計なものはなく、役立つコンテンツだけです。
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The Developer's Guide to URL-Safe Base64 Encoding
Standard Base64 breaks in URLs. Here's why, how URL-safe Base64 fixes it, and where you'll actually use it — from JWT tokens to query parameters.
Gzip Compression Demystified: When (and When Not) to Use It
Gzip sounds simple — turn it on, save bandwidth. But the reality is more nuanced. Here's how gzip actually works, what compresses well, and when to skip it.
How to Embed Images in CSS with Data URIs (and When Not To)
Data URIs let you embed images directly in your CSS — no extra HTTP requests. Here's how to do it right, when it helps performance, and when it hurts.
Working with ASCII: The Character Set That Still Powers the Web
ASCII is almost 60 years old and still the foundation of modern text encoding. Here's what every developer should know about it — from control characters to Base64.
Beyond == : How to Compare Encoded Data Properly
Comparing Base64 strings is not the same as comparing their decoded content. Here's how to compare encoded data correctly, and why two different strings might represent the same thing.