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@ykst
ykst / gist:6e80e3566bd6b9d63d19
Last active May 5, 2024 03:40
WebAudio+WebSocketでブラウザへの音声リアルタイムストリーミングを実装する

WebAudio+WebSocketでブラウザへの音声リアルタイムストリーミングを実装する

WebRTCでやれよ！と言われそうなところですが、 WebSocket+WebAudioの組み合わせで音声ストリーミングをシンプルに構成する方法を紹介してみます。

サーバーサイド(Node.js + ws + pcm)

サーバーサイドは何でも良いのですが、 とりあえずNode.jsでtest.mp3というサンプルファイルをpcmモジュールでデコードし、 wsでクライアントに垂れ流す作りにしておきます。

@MjHead
MjHead / options-values-in-code.php
Last active May 5, 2024 03:33
Get option values for JetEngine options pages inside the PHP code
<?php
/**
* Method 1
* Can be used for: Any storage type
*
* page-slug - replace this with your Option Page slug
* option-name - replace this with your option Name/ID
*/
$value = jet_engine()->listings->data->get_option( 'page-slug::option-name' );
@aamiaa
aamiaa / CompleteDiscordQuest.md
Last active May 5, 2024 03:30
Complete Recent Discord Quest

Complete Recent Discord Quest

Note

This no longer works in browser!

Note

This no longer works if you're alone in vc! Somebody else has to join you!

How to use this script:

  1. Accept the quest under User Settings -> Gift Inventory
@ample-samples
ample-samples / dot-product.lua
Last active May 5, 2024 03:29
Get the dot product of any MxN matrices
-- Utility functions for matrix.dot
local function dotScalar1dVector(scalar, v1)
local outputVector = {}
for i = 1, #v1, 1 do
outputVector[i] = v1[i] * scalar
end
return matrix(outputVector)
end
local function dotScalar2dVector(scalar, v1)
@awa2
awa2 / nodejsでのOAuth2によるGoogleAPIの叩き方.md
Last active May 5, 2024 03:18

Using Google APIs with OAuth2 101

npmのgoogleapisパッケージを利用します。 https://github.com/googleapis/google-api-nodejs-client

const { google } = require('googleapis');

　authの利用

googleapisパッケージのauthは、いくつかの認証方法を提供してくれます。

@guilherme
guilherme / gist:9604324
Last active May 5, 2024 03:17
Git pre-commit hook that detects if the developer forget to remove all the javascript console.log before commit.
#!/bin/sh
# Redirect output to stderr.
exec 1>&2
# enable user input
exec < /dev/tty
consoleregexp='console.log'
# CHECK
if test $(git diff --cached | grep $consoleregexp | wc -l) != 0
then
@gornostal
gornostal / README.md
Last active May 5, 2024 03:16
Ulauncher Color Themes

This will be a temporary site for sharing Ulauncher color themes

When posting a theme make sure it has

  • title (theme name or whatever)
  • link to a gist or github repo with theme files
  • screenshot attached (just drag an image onto a comment area)
@jboner
jboner / latency.txt
Last active May 5, 2024 03:12
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD
@aelbore
aelbore / esm-cjs-modules.md
Last active May 5, 2024 03:07
Publish your npm package as ES Module, and backward compatibility CommonJS

Create your library

  • Initialize project npm init -y
  • Create esm module ./src/esm/my-lib.js 
    function addNumber(value, value2) {
  return value + value2;
}

export { addNumber };
@tangentstorm
tangentstorm / sh.mjs
Last active May 5, 2024 02:58
shorthand javascript
// sh.mjs: javascript shorthand
// array helpers (apl/j/k)
export const id=x=>x
export const af=(n,x)=>Array(n).fill(x) // TODO: make this 'afl' or 'fil' (aa?)
export const ii=(n,f)=>{for(let i=0;i<n;i++)f(i)}
export const im=(n,f)=>af(n,0).map((_,i)=>f(i))
export const ia=(n,f)=>im(n,id)
export const at=(a,ixs)=>ixs.map(i=>a[i])
export const io=(xs,ys)=>ys.map([].indexOf.bind(xs))