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John Lewin jlewin
robmathers
/ groupBy.js
Created
October 25, 2018 23:18
A more readable and annotated version of the Javascript groupBy from Ceasar Bautista (https://stackoverflow.com/a/34890276/1376063)
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| var groupBy = function(data, key) { // `data` is an array of objects, `key` is the key (or property accessor) to group by | |
| // reduce runs this anonymous function on each element of `data` (the `item` parameter, | |
| // returning the `storage` parameter at the end | |
| return data.reduce(function(storage, item) { | |
| // get the first instance of the key by which we're grouping | |
| var group = item[key]; | |
| // set `storage` for this instance of group to the outer scope (if not empty) or initialize it | |
| storage[group] = storage[group] || []; | |
ianbarber
/ gist:5170508
Last active
December 29, 2023 03:42
Example Sign In activity for Google Sign-In on Android that retrieves an authorization code for use with server side authentication. See http://www.riskcompletefailure.com/2016/07/server-side-google-api-access-from.html for more background and links.
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| package com.example.anothersignintest; | |
| import com.google.android.gms.auth.api.Auth; | |
| import com.google.android.gms.auth.api.signin.GoogleSignInAccount; | |
| import com.google.android.gms.auth.api.signin.GoogleSignInOptions; | |
| import com.google.android.gms.auth.api.signin.GoogleSignInResult; | |
| import com.google.android.gms.common.ConnectionResult; | |
| import com.google.android.gms.common.api.GoogleApiClient; | |
| import com.google.android.gms.common.api.OptionalPendingResult; | |
| import com.google.android.gms.common.api.ResultCallback; |
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| gifify() { | |
| if [[ -n "$1" ]]; then | |
| if [[ $2 == '--good' ]]; then | |
| ffmpeg -i $1 -r 10 -vcodec png out-static-%05d.png | |
| time convert -verbose +dither -layers Optimize -resize 600x600\> out-static*.png GIF:- | gifsicle --colors 128 --delay=5 --loop --optimize=3 --multifile - > $1.gif | |
| rm out-static*.png | |
| else | |
| ffmpeg -i $1 -s 600x400 -pix_fmt rgb24 -r 10 -f gif - | gifsicle --optimize=3 --delay=3 > $1.gif | |
| fi | |
| else |
jlewin
/ parseYouTubeTranscript.js
Last active
December 10, 2015 23:28
Extract a quote from YouTube transcripts
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| // Usage: Open the transcript view, select the line to start at, and call getQuoteFromVideo | |
| // passing it just the number of lines to collect | |
| // or | |
| // Call getQuoteFromVideo passing it the number of lines to collect and an element id to start at | |
| function getQuoteFromVideo(count, captionStartID){ | |
| var captionLine = document.querySelector(captionStartID || '.caption-line-highlight'); | |
| var text = ''; | |
| for(var i = 0; i < count && captionLine; i++){ | |
| text += captionLine.querySelector('.caption-line-text').textContent + ' '; |
johan
/ readme.md
Last active
October 17, 2022 23:14
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