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@yang-wei
yang-wei / destructuring.md
Last active July 4, 2024 16:56
Elm Destructuring (or Pattern Matching) cheatsheet

Should be work with 0.18

Destructuring(or pattern matching) is a way used to extract data from a data structure(tuple, list, record) that mirros the construction. Compare to other languages, Elm support much less destructuring but let's see what it got !

Tuple

myTuple = ("A", "B", "C")
myNestedTuple = ("A", "B", "C", ("X", "Y", "Z"))
@ohanhi
ohanhi / frp.md
Last active May 6, 2024 05:17
Learning FP the hard way: Experiences on the Elm language

Learning FP the hard way: Experiences on the Elm language

by Ossi Hanhinen, @ohanhi

with the support of Futurice 💚.

Licensed under CC BY 4.0.

Editorial note

Elm Style Guide

Purpose

The goal of the style guide is foremost to promote consistency and reuse of pattern from other languages in order to improve readability and make Elm easier for beginners. This includes moving Elm away from Haskell’s indentation style and even making some parts look closer to JavaScript. These decisions are intentional.

We would like Elm to look friendly and familiar to users of any language — especially JavaScript — so they can discover Elm’s powerful features without being overwhelmed. This does not intend to weaken or discourage any features of Elm, but instead to make them more accessible.

A secondary goal of the style guide is to encourage short diffs when changes are made. This makes changes more clear, and helps when multiple people are collaborating.

Whitespace

@staltz
staltz / introrx.md
Last active July 25, 2024 16:52
The introduction to Reactive Programming you've been missing
@pasupulaphani
pasupulaphani / after_res_hooks.js
Last active May 1, 2024 20:37
Mongoose connection best practices
var db = mongoose.connect('mongodb://localhost:27017/DB');
// In middleware
app.use(function (req, res, next) {
// action after response
var afterResponse = function() {
logger.info({req: req}, "End request");
// any other clean ups
@buzzdecafe
buzzdecafe / cons, car, cdr
Last active November 17, 2021 10:11
cons car and cdr implemented as javascript functions. cribbed from SICP http://mitpress.mit.edu/sicp/full-text/book/book-Z-H-14.html#%_thm_2.4then implemented a bunch of functions just for fun.
// clean and pure:
function cons(x, y) {
return function(pick) {
return pick(x, y);
}
}
// does more stuff:
function cons(x, y) {
var fn = function(pick) {
@Raynos
Raynos / testGuide.md
Created June 8, 2012 16:04
Mocha BDD Test Guide

Guide for writing mocha tests

Prerequites

  • Use BDD interface
  • Use sinon for unit test mocking
  • Use request for HTTP tests

Examples inspired by [templar-hogan integration tests][1] and [templar-hogan unit tests][2]

@trongthanh
trongthanh / gist:1196596
Created September 6, 2011 04:37
Emulate slow Internet connection speed on localhost with netem (Ubuntu)
#Refer: http://www.linuxfoundation.org/collaborate/workgroups/networking/netem#Delaying_only_some_traffic
#Refer: http://www.bomisofmab.com/blog/?p=100
#Refer: http://drija.com/linux/41983/simulating-a-low-bandwidth-high-latency-network-connection-on-linux/
#Setup the rate control and delay
sudo tc qdisc add dev lo root handle 1: htb default 12
sudo tc class add dev lo parent 1:1 classid 1:12 htb rate 56kbps ceil 128kbps
sudo tc qdisc add dev lo parent 1:12 netem delay 200ms
#Remove the rate control/delay
sudo tc qdisc del dev lo root