TIL

Today I Learned

chrome

• Use Logpoints to Log Messages to the Console - 2020-05-03
• Use DevTools to Take Screenshots - 2020-07-05

github

• Use the Fuzzy File Finder to Navigate Repos - 2020-05-03
• Use Relative Paths to Link to Wiki Pages from README.md - 2020-07-11
• Create New Gists and Repos with .new URLs - 2020-07-18

git

• Push an Empty Commit - 2020-05-05
• Use Exclamation Marks in Commit Messages - 2020-05-05
• Use Multiple git commit Message Flags to Create Multiline Commits - 2020-07-12
• The Differences Between .git/info/exclude and .gitignore - 2020-08-02
• Git Only Stores Timestamps and Author Information on Commits - 2020-08-02
• Set Default for Initial Branch Name - 2020-08-09
• Move a Range of Commits Between Branches - 2021-03-31
• Move Individual Commits Between Branches with cherry-pick - 2021-03-31
• Get Earliest Commit Over Time Range - 2024-08-26

vscode

• Navigate Your Cursor Position History - 2020-05-20
• Disable Jest Test Runner Auto Run - 2020-07-20
• Choose Folders to Ignore During Search - 2020-08-29

http

• CORS Preflight Requests Communicate Which Methods and Headers a Server Should Allow - 2020-06-30
• Trigger Opt-in File Downloads with the Content-Disposition Response Header - 2020-10-18

character-encoding

• = Serves as Padding in Base64 Encoded Strings - 2020-07-01

ruby

• Run rbenv rehash to Use Newly Installed Versions of Ruby or Gems - 2020-07-03
• Skip Installing Ruby Docs - 2020-07-03
• Specify a Gem Version Range - 2020-07-03
• Reset Bundle Gems - 2020-07-30
• Numeric Literal Prefixes - 2020-08-02

cloudflare

• Implement GraphQL Servers in Cloudflare Workers - 2020-07-27

go

• Create Multiline Strings Using Backticks - 2020-07-28
• Concatenate Strings Efficiently with bytes.Buffer and strings.Builder - 2020-07-28

postgres

• Write a Query Result to a File - 2020-07-28
• Export Text Without Headers and Formatting - 2020-07-28
• Drop a Database Even When Clients are Connected - 2020-10-17
• psql Notes - 2024-08-17
• DiskFull Error - 2024-08-17
• Idenfity NULL JSON Values - 2024-08-27
• Cross-Table Row Deletions - 2024-08-29

unix

• Look Up DNS with host - 2020-07-29
• Suppress File Names When Grepping Across Multiple Files - 2020-08-05
• wc -l is Faster than wc For Retrieving the Number of Lines in a Large File - 2020-08-06
• Reset Terminal Password Prompt - 2020-08-13
• Use the -i flag to Confirm Before Overwriting an Existing File - 2020-10-20
• Use column to View Pretty CSVs - 2020-10-31
• kill Works on Any Process - 2021-06-27

javascript

• Inconsistencies in Date - 2020-08-03
• Use Numeric Separators to Parse Large Numbers by Eye - 2020-08-09
• Disable Jest's Auto-generated Coverage Reports - 2020-08-29
• Dates as Keys are not Equal - 2021-02-07
• Canceling Asynchronous Threads Can Be Tricky - 2021-02-07
• Every Readable Stream is Asynchronously Iterable - 2021-03-31
• Lexicographical String Comparison - 2021-03-31
• Pump Large (> 2^53) Numbers Through Your Data Pipeline to Check for Leaks - 2021-03-31
• JavaScript RegExp Objects are Stateful - 2022-01-12
• Object.is is Different From === and !== - 2022-01-13
• in Operator Patterns are Rare - 2023-03-02

macos

• Perform Search Engine Queries from Spotlight - 2020-08-08
• Reveal . Files in Finder - 2024-08-24
• Modifier Keys in Menu Bar - 2024-08-24
• Instruments - 2024-08-30

posix

• The Difference Between Ctrl+c and Ctrl+\ - 2020-08-26

emacs

• Remove All Newlines from a Selected Region - 2020-10-17
• Remove All Whitespace from Beginning of All Lines - 2020-10-18
• Update Feature Branch to Latest main - 2021-03-31
• Insert Detailed Timestamps - 2024-05-13

bash

• Use the DEBUG Trap to Step Through a Script - 2020-10-19
• Always Enclose Variable Names in Double Quotes - 2021-07-19
• Shell Script Template - 2024-08-21
• Default Error Behavior - 2024-08-25

node

• libuv Implements a Reactor Pattern - 2021-03-31
• Basic Node Test Runner - 2022-01-11

graphical-control-elements

• Throbber - 2021-06-28

curl

• Useful HTTP Flags - 2021-06-28

language-features

• Avoiding Nil - 2021-07-19

clis-and-terminals

• Use Commonly Available Characters for Progress Indicators - 2022-01-09
• - - 2024-05-11

regex

• Use Quine Quotes to Delimit Regular Expressions - 2022-01-10
• Character Classes Are a Sub-language of Regex - 2024-09-05

django

• Django Drops the SQL DEFAULT Constraint When Creating New Columns - 2022-01-27
• {% querystring %} Template Tag - 2024-09-02

docker

• Enable Long-Lived Container Logs - 2022-11-02

python

• Creating Deep Copies of Collections - 2023-11-10
• Python dict.update method returns None - 2024-02-23
• JSON Encoding and Decoding I/O Conversions - 2024-02-23
• Python Development Environment Management (macOS) - 2024-08-11
• Eager and Lazy Evaluation - 2024-08-30
• uvtrick: Run Python Code from venv in Current Environment - 2024-09-02

haskell

• String Concatenation Operators - 2024-08-12

patterns

• Lazy-Iteration Over Multiple Sorted Enumerables, Preserving Order - 2024-08-21
• uv run in the Shebang Line - 2024-08-21

css

• Upside Down Table Trick - 2024-08-28
• grid-area - 2024-09-02

About

I shamelessly stole this idea from jbranchaud/til. And I hope you'll shamelessly steal it from me!

Other TIL Collections

• Today I Learned by Hashrocket
• Stefan Judis
• jwworth/til
• thoughtbot/til
• jbranchaud/til
• simonw/til
• jessesquires/TIL
• leebyron/til

License

© 2020 Taylor Hodge

This repository is licensed under the MIT license. See LICENSE for details.