# Sloth Bytes

> The newsletter for lazy programmers. Join 50k+ people and learn useful programming tips.

[Sloth Bytes](https://www.slothbytes.dev/) is a weekly programming newsletter that explains developer concepts in plain language.

## SDKs
An SDK is a toolbox a platform gives you so you don't wire the raw API by hand.
- [SDKs](https://www.slothbytes.dev/p/sdks)

## Environment variable leaks
Secrets leak when .env is committed, baked into Docker, or shipped to the frontend; rotate first.
- [Environment variable leaks](https://www.slothbytes.dev/p/environment-variable-leaks)

## CI/CD
A pipeline that automatically tests, builds, and can release code on push.
- [CI/CD](https://www.slothbytes.dev/p/ci-cd-for-dummies)

## Docker
Containers that package an app with its runtime so it runs the same everywhere.
- [Docker](https://www.slothbytes.dev/p/docker-for-dummies)

## Cron job
A time-based scheduler; five fields minute hour day-of-month month day-of-week.
- [Cron](https://www.slothbytes.dev/p/cron)

## 2FA codes
TOTP = shared secret + 30s clock → 6-digit code.
- [Two-factor codes](https://www.slothbytes.dev/p/two-factor-codes)

## Memory leak
Memory/resources kept alive longer than intended.
- [Memory leaks](https://www.slothbytes.dev/p/memory-leaks)

## git reset vs revert vs restore
restore=files, reset=local commit, revert=already pushed.
- [Git reset vs revert vs restore](https://www.slothbytes.dev/p/how-to-uncommit-your-crimes)

## TypeScript 7 / Astro 7
TypeScript 7 compiler rewritten in Go (~10x); Astro 7 compiler rewritten in Rust.
- [TypeScript 7 and Astro 7](https://www.slothbytes.dev/p/lots-of-version-7-updates)

## Webhook
A webhook is an HTTP callback: one service sends an HTTP request to an endpoint you provide when some event happens.
- [Webhooks](https://www.slothbytes.dev/p/webhooks)

## Caches
A cache is a faster copy of data or a previous result that you keep so future requests can avoid repeating expensive work.
- [The 3 types of caches](https://www.slothbytes.dev/p/the-3-types-of-caches)

## Profiler
A profiler measures where a program spends time or allocates resources so you can find performance hotspots.
- [Profilers](https://www.slothbytes.dev/p/profilers)

## Pages
- [Sloth Bytes homepage](https://www.slothbytes.dev/)
- [archive](https://www.slothbytes.dev/archive)
- [Subscribe](https://www.slothbytes.dev/subscribe)
- [Recommendations](https://www.slothbytes.dev/recommendations)
- [AI Agents notes](https://www.slothbytes.dev/ai-agents-notes)

## Authors
- [The Coding Sloth](https://www.slothbytes.dev/authors/the-coding-sloth)

## Categories
- [Git & Developer Tools](https://www.slothbytes.dev/t/git-developer-tools)
- [AI Coding](https://www.slothbytes.dev/t/ai-coding)
- [System Design](https://www.slothbytes.dev/t/system-design)
- [Developer News](https://www.slothbytes.dev/t/developer-news)
- [Programming Fundamentals](https://www.slothbytes.dev/t/programming-fundamentals)
- [Programming Projects](https://www.slothbytes.dev/t/programming-projects)
- [Web Development](https://www.slothbytes.dev/t/web-development)