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Alexey Protasov flammenmensch

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@PCreations
PCreations / rxjs-diagrams.md
Last active July 16, 2025 17:55
Super Intuitive Interactive Diagrams to learn combining RxJS sequences by Max NgWizard K
@kristopherjohnson
kristopherjohnson / git-flow-cheatsheet.md
Last active October 3, 2022 11:19
git-flow Snippets
@anantn
anantn / getusermedia_picture.html
Created February 17, 2012 09:12
Take a picture with getUserMedia
<html>
<body>
<video id="v" width="300" height="300"></video>
<input id="b" type="button" disabled="true" value="Take Picture"></input>
<canvas id="c" style="display:none;" width="300" height="300"></canvas>
</body>
<script>
navigator.getUserMedia({video: true}, function(stream) {
var video = document.getElementById("v");
var canvas = document.getElementById("c");
@double-z
double-z / gist:1174805
Created August 27, 2011 01:02 — forked from cyakimov/gist:1139981
Decode Facebook signed_request with NodeJS
//npm install b64url
//A signed_request for testing:
//WGvK-mUKB_Utg0l8gSPvf6smzacp46977pTtcRx0puE.eyJhbGdvcml0aG0iOiJITUFDLVNIQTI1NiIsImV4cGlyZXMiOjEyOTI4MjEyMDAsImlzc3VlZF9hdCI6MTI5MjgxNDgyMCwib2F1dGhfdG9rZW4iOiIxNTI1NDk2ODQ3NzczMDJ8Mi5ZV2NxV2k2T0k0U0h4Y2JwTWJRaDdBX18uMzYwMC4xMjkyODIxMjAwLTcyMTU5OTQ3NnxQaDRmb2t6S1IyamozQWlxVldqNXp2cTBmeFEiLCJ1c2VyIjp7ImxvY2FsZSI6ImVuX0dCIiwiY291bnRyeSI6ImF1In0sInVzZXJfaWQiOiI3MjE1OTk0NzYifQ
function parse_signed_request(signed_request, secret) {
encoded_data = signed_request.split('.',2);
// decode the data
sig = encoded_data[0];
json = base64url.decode(encoded_data[1]);
data = JSON.parse(json); // ERROR Occurs Here!