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Making file names lowercase

brew install rename

find ./ -depth -exec rename -n 'y/[A-Z]/[a-z]/' {} ";"

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launchctl

Permanently disabling a job

TerminalLaunchControlhost:~ user$

launchctl unload -w ~/Library/LaunchAgents/com.example.app.plist

OSX 10.10 Yosemite and later: While you will always be able to switch a job's permanent status between enabled and disabled, you cannot (trivially) remove it from the override database again.

Permanently enabling a job

TerminalLaunchControlhost:~ user$

launchctl load -w ~/Library/LaunchAgents/com.example.app.plist

#launchctld

Bulk change GitHub repos to Private

curl --request GET https://api.github.com/users/k7n4n5t3w4rt/repos | jq --raw-output '.[] .name' | xargs -I % curl -u k7n4n5t3w4rt:TOKEN --data "{\"private\": \"true\"}" --request PATCH https://api.github.com/repos/k7n4n5t3w4rt/% >> output.log

TOKEN: https://github.com/settings/tokens

NOTE: We need to install a jq

Recursively copy one directory structure over another

rsync -a --exclude '.git' path/to/source/ path/to/destination

Note:

The trailing slash on `/path/to/source/` is necessary, otherwise it would copy to `/path/to/destination/source`.

The `--exclude '.git'` will exclude `path/to/source/.git` from the sync, enabling changes to be managed with git after the sync.

#rsync

git pull -r

use git pull -r to rebase local changes after pulling

#git

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interactive rebase

https://www.loom.com/share/f87f87e78922458085bce581db60f986

#git

git diff HEAD staged-thing

@k-lord MultiBrowser is particularly useful when clicking links from the terminal. I rarely want those to open in my default browser because they often link to BitBucket or GitHub or to local websites that I'm testing etc.[12:20 PM]discovers 'git diff HEAD staged-thing'(edited)[12:22 PM]I used to always git reset staged-thing thing before I did git diff. Super handy to be able to diff after you've added files to the stage. Especially when there are a lot of files.

#git

VSCode Keybindings for toggling folders open and closed

In "keybindings.json":

{ "key": "enter", "command": "list.toggleExpand", "when": "explorerViewletVisible && filesExplorerFocus !inputFocus" }

#vscode

Getting one file from another branch in git.

git checkout branch1 # first get back to branch1 git checkout branch2 -- file.js # then copy the version of file.js # from branch "branch2"

Also

git show branch2:path/to/file.js > path/to/file.js

~ https://stackoverflow.com/questions/2364147/how-to-get-just-one-file-from-another-branch

#git

Disk usage

$ df -H / Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1 250G 212G 37G 86% 51883301 9095513 85% /

and...

$ du -sh ~/* 3.0M /Users/kynan/Applications 348K /Users/kynan/Creative Cloud Files 348K /Users/kynan/Creative Cloud Files (archived) (1) 116K /Users/kynan/Desktop 12K /Users/kynan/Documents 32K /Users/kynan/Downloads 2.3G /Users/kynan/Dropbox 63G /Users/kynan/Library 63M /Users/kynan/Movies 2.4G /Users/kynan/Music 33G /Users/kynan/Pictures 0B /Users/kynan/Public 134M /Users/kynan/kdots 348K /Users/kynan/[email protected] Creative Cloud Files 4.0K /Users/kynan/master 348K /Users/kynan/[email protected] Creative Cloud Files 13M /Users/kynan/scripts 4.0K /Users/kynan/·

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Some keybindings.json for VSCode

{ "key": "cmd+enter", "command": "renameFile", "when": "explorerViewletVisible && filesExplorerFocus" }, { "key": "enter", "command": "-renameFile", "when": "explorerViewletVisible && filesExplorerFocus" }, { "key": "enter", "command": "list.select", "when": "explorerViewletVisible && filesExplorerFocus" }

~ https://code.visualstudio.com/docs/getstarted/keybindings

#vscode

“ENFILE: file table overflow”

Turns out, macOS has a harsh limit on number of open files - 256!

https://gist.github.com/abernix/a7619b07b687bb97ab573b0dc30928a0

#npm #react #macosx

Force a command to output nothing and exit with status 0

Send the output to /dev/null with “2> /dev/null” and then pipe it to the null command - “:” - which will always exit with status 0. eg.

$ rm -rf ./src/grid-display/.* 2>; /dev/null | :

#npm

npm install from a GitHub repo

$ npm install git://github.com/k7n4n5t3w4rt/bubble-sort-v2.git

This seems to put a dependency into package.json but not actually install the package into ./node_modules/. So:

$ npm i

#npm #git #github

ssh: suppress known_hosts warnings

$ ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i keys/sshkey [email protected] Warning: Permanently added '192.168.15.31' (ECDSA) to the list of known hosts. Last login: Tue Dec 12 06:44:44 2017 from 192.168.15.35 $

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SSH: ssh-keygen with no passphrase prompt

This will prevent the passphrase prompt from appearing and set the key-pair to be stored in plaintext (which of course carries all the disadvantages and risks of that):

ssh-keygen -b 2048 -t rsa -f /tmp/sshkey -q -N ""

#ssh

Enabling SSH on a Raspberry Pi

$ touch /Volumes/boot/ssh

“For headless setup, SSH can be enabled by placing a file named ssh, without any extension, onto the boot partition of the SD card from another computer. When the Pi boots, it looks for the ssh file. If it is found, SSH is enabled and the file is deleted. The content of the file does not matter; it could contain text, or nothing at all.If you have loaded Raspbian onto a blank SD card, you will have two partitions. The first one, which is the smaller one, is the boot partition. Place the file into this one.“ ~ https://www.raspberrypi.org/documentation/remote-access/ssh/README.md

#pi #ssh

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