(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
# In order for gpg to find gpg-agent, gpg-agent must be running, and there must be an env | |
# variable pointing GPG to the gpg-agent socket. This little script, which must be sourced | |
# in your shell's init script (ie, .bash_profile, .zshrc, whatever), will either start | |
# gpg-agent or set up the GPG_AGENT_INFO variable if it's already running. | |
# Add the following to your shell init to set up gpg-agent automatically for every shell | |
if [ -f ~/.gnupg/.gpg-agent-info ] && [ -n "$(pgrep gpg-agent)" ]; then | |
source ~/.gnupg/.gpg-agent-info | |
export GPG_AGENT_INFO | |
else |
The regex patterns in this gist are intended to match any URLs, | |
including "mailto:foo@example.com", "x-whatever://foo", etc. For a | |
pattern that attempts only to match web URLs (http, https), see: | |
https://gist.github.com/gruber/8891611 | |
# Single-line version of pattern: | |
(?i)\b((?:[a-z][\w-]+:(?:/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’])) |
use std::str; | |
fn main() { | |
// -- FROM: vec of chars -- | |
let src1: Vec<char> = vec!['j','{','"','i','m','m','y','"','}']; | |
// to String | |
let string1: String = src1.iter().collect::<String>(); | |
// to str | |
let str1: &str = &src1.iter().collect::<String>(); | |
// to vec of byte |
Consider the following user interface (inspired by Strava) for looking at time-series charts of network data:
Notes on this interface and my Rx implementation of it:
import { createStore, applyMiddleware } from 'redux'; | |
import { Observable, Subject } from 'rxjs'; | |
const api = type => { | |
console.log(`calling API ${type}`); | |
return new Promise(res => setTimeout(() => res(), 500)); | |
}; | |
const actionOrder = (actions, order) => actions.every((action, index) => action.type === order[index]); | |
const actionPredicate = actions => filterableAction => actions.some(action => action === filterableAction.type); |
In August 2007 a hacker found a way to expose the PHP source code on facebook.com. He retrieved two files and then emailed them to me, and I wrote about the issue:
http://techcrunch.com/2007/08/11/facebook-source-code-leaked/
It became a big deal:
http://www.techmeme.com/070812/p1#a070812p1
The two files are index.php (the homepage) and search.php (the search page)
Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.
A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x