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Bug Bounty

  • Only Bug Bounty Checklist You'll Ever Need!!!
  • Only Bug Bounty Checklist You'll Ever Need!!! V2

Databases

  • Database indexing basics

DevOps

  • How environment variables work

Git

  • Git commands I use every day

JavaScript

  • JavaScript async and await

Kotlin

  • Kotlin coroutines overview

Linux

  • Useful Linux filesystem commands

Performance

  • How caching improves application performance

React

  • React component design principles

Reference

  • Markdown formatting reference

Software Craft

  • Clean code naming practices
  • Debugging checklist

SQL

  • SQL joins explained

Swift

  • SwiftUI state management

Web

  • API pagination patterns
  • Understanding HTTP status codes
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17 notes across 14 categories

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Web

2
Note

API pagination patterns

When a collection is too big to return at once, you paginate. There are two main patterns and choosing wrong causes real pain at scale. Offset pagination The…

scorpionxdev 7/27/2026· 3 views
  • Note

    Understanding HTTP status codes

    Status codes are the server telling you what happened in one number. Learn the shape of each class and you can debug most APIs without reading a manual. The …

    scorpionxdev 7/27/2026· 1 views

Bug Bounty

2
  • Note

    Only Bug Bounty Checklist You'll Ever Need!!!

    Global Manual Bug Bounty Checklist Purpose: A target-agnostic, manual-first checklist for authorized web, API, SaaS, identity, business-logic, integration, a…

    SScorpion X Dev 7/27/2026· 10 views
  • Note

    Only Bug Bounty Checklist You'll Ever Need!!! V2

    Global Manual Bug Bounty Checklist Purpose: A target-agnostic, manual-first checklist for authorized web, API, SaaS, identity, business-logic, integration, a…

Databases

1
  • Note

    Database indexing basics

    An index is a sorted lookup structure that lets the database find rows without scanning the whole table. It is the single biggest lever for query speed, and …

    scorpionxdev 5/17/2026· 0 views

DevOps

1
  • Note

    How environment variables work

    Environment variables are named values that live in a process and get inherited by the processes it spawns. They are the standard way to pass configuration a…

    scorpionxdev 7/27/2026· 3 views

Git

1
  • Note

    Git commands I use every day

    A short reference of the Git commands I actually reach for daily. Not exhaustive, just the ones that earn their keep. Checking state bash git status what cha…

    scorpionxdev 6/16/2026· 0 views

JavaScript

1
  • Note

    JavaScript async and await

    async / await is syntax sugar over Promises that lets asynchronous code read top to bottom like normal code. Under the hood it is still Promises. The basics …

    scorpionxdev 6/28/2026· 0 views

Kotlin

1
  • Note

    Kotlin coroutines overview

    Coroutines are Kotlin's answer to asynchronous programming. They let you write concurrent code that reads sequentially, without blocking threads. Suspend fun…

    scorpionxdev 5/29/2026· 0 views

Linux

1
  • Note

    Useful Linux filesystem commands

    A compact cheat sheet of filesystem commands I keep coming back to on the terminal. Moving around bash pwd where am I ls -lah long list, human sizes, include…

    scorpionxdev 7/6/2026· 0 views

Performance

1
  • Note

    How caching improves application performance

    Caching is storing the result of expensive work so you can reuse it instead of redoing it. Done well it is the highest-leverage performance tool you have. Do…

    scorpionxdev 6/9/2026· 0 views

React

1
  • Note

    React component design principles

    A handful of principles that keep React components easy to change. None of them are rules, but ignoring all of them tends to produce components that are pain…

    scorpionxdev 5/5/2026· 0 views

Reference

1
  • Note

    Markdown formatting reference

    A quick reference for GitHub-Flavored Markdown. The rendered output is on the left in your head; the source is below. Headings markdown H1 H2 H3 Emphasis mar…

    scorpionxdev 7/11/2026· 0 views

Software Craft

2
  • Note

    Debugging checklist

    When something breaks and I have no idea why, I run through this list before touching any code. It turns panic into a process. 1. Reproduce it reliably A bug…

    scorpionxdev 7/4/2026· 0 views
  • Note

    Clean code naming practices

    Naming is the cheapest documentation you will ever write and the first thing the next reader sees. A good name removes the need for a comment. Say what it is…

SQL

1
  • Note

    SQL joins explained

    A join combines rows from two tables based on a related column. The join type decides what happens to rows that have no match. Sample tables Say we have user…

    scorpionxdev 5/23/2026· 0 views

Swift

1
  • Note

    SwiftUI state management

    SwiftUI rebuilds views from state. The trick is choosing the right property wrapper so ownership and updates flow the way you expect. The core property wrapp…

    scorpionxdev 6/6/2026· 0 views
SScorpion X Dev
7/27/2026
· 5 views
scorpionxdev
4/29/2026
· 0 views