Bookmarks

Various online tools, databases, references, cheatsheets, etc, that I’ve found over the years to be helpful in my day to day work.

If you have any suggestions to add, or a better way to organize this page, feel free to let me know in the comments.

Sql

• db<>fiddle
  • RDBMS Fiddler (MySQL, Oracle, Postgres, SQL Server, SQLite, etc)
• PasteThePlan
  • Share SQL Server Execution Plans
• RAISERROR Cheatsheet
  • Everything you need to know about using RAISERROR in SQL Server
• SQL Fiddle
  • RDBMS Fiddler (MySQL, Oracle, Postgres, SQL Server) - Nearly always broken or slow, try dbfiddle.uk instead
• SQL Server Updates
  • The Most Recent Updates for Microsoft SQL Server
• SQLServerFast Execution Plan Operator List
  • List of all known execution plan operator icons, their names, a description, and usually a link to a more in-depth breakdown of how it works
• SQLShack - SQL Server wait types
  • Database of SQL Server wait types and recommended actions
• SQLSkills - SQL Server latch types
  • Database of SQL Server latch types
• SQLSkills - SQL Server wait types
  • Database of SQL Server wait types
• Statistics Parser
  • SQL Statistics Parser

Fiddlers

• .NET Fiddle
  • C#, VB.NET, F#
• CodePen
  • Front End (HTML, CSS, JS with multiple pre-processor options)
• JSFiddle
  • Front End (HTML, CSS, JS with multiple pre-processor options)
• regex101
  • Regex Fiddler
• Repl.it
  • Multi-language fiddler (too many to list) (requires signing up)
• Rextester
  • Multi-language fiddler (too many to list)
• Visualizing Git
  • Online visualizer for practicing git commands

Code sharing / collaboration

• Asciinema
  • Record Shell Session - Appears project is dead, but repo and site upload still works
• Board
  • Online Whiteboard, alternative link: https://board.new
• PasteBin
  • Share text

Diagramming

• asciiflow
  • Draw ascii art style diagrams and flowcharts
• dbdiagram.io
  • A free, simple tool to draw Entity-Relationship diagrams by just writing code
• Diagram.codes
  • Generate diagrams from simple text conventions
• GraphViz Online
  • Dot/GraphViz visualizer
• markmap.js
  • Visualize your Markdown with mindmaps (and interactive)
• swimlanes.io
  • Build swimlane charts using code
• WebSequenceDiagrams
  • Create sequence diagrams using a diagramming language

Networking

• MXToolbox SuperTool
  • MX record, DNS, blacklist and SMTP diagnostics
• Speed test - CloudFlare
  • Speed/Latency testing
• Speed test - Fast.com
  • Speed/Latency testing
• Speed test - SpeedTest.net
  • Speed/Latency testing - Also has a CLI tool

Reference

• dotnet-install scripts reference
  • Script to install various versions of the .NET SDK
• HTTP Status Codes
  • Database of HTTP Status Codes with their definitions and helpful code references
• Javascript Equality Table
  • Reference chart showing result of equality operations

Misc

• Base64 Guru
  • Base64 encode/decode
• Coolors
  • Color palette generator
• Donat Studios - CSV to Markdown table
  • CSV to Markdown Table Generator
• httpbin.org
  • Testing HTTP calls/responses
• JSON Diff
  • Sort and Compare JSON
• JSON2CSharp
  • Convert JSON object to C# object
• KeyCode.info
  • Visualizer for JavaScript ‘on-key pressed’ keycode
• One-Time Secret
  • Secret Sharing
• SharpLab
  • Decompiler - C#/F#/VB
• Viktor Strate - Latex Equation Toolbox
  • Latex Visualizer
• WolframAlpha
  • Math/Formula/Equation analysis

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