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@piscisaureus
piscisaureus / pr.md
Created August 13, 2012 16:12
Checkout github pull requests locally

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	fetch = +refs/heads/*:refs/remotes/origin/*
	url = [email protected]:joyent/node.git

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

ACTION
AD_HOC_CODE_SIGNING_ALLOWED
ALTERNATE_GROUP
ALTERNATE_MODE
ALTERNATE_OWNER
ALWAYS_SEARCH_USER_PATHS
ALWAYS_USE_SEPARATE_HEADERMAPS
APPLE_INTERNAL_DEVELOPER_DIR
APPLE_INTERNAL_DIR
APPLE_INTERNAL_DOCUMENTATION_DIR
@staltz
staltz / introrx.md
Last active May 12, 2025 23:22
The introduction to Reactive Programming you've been missing
@mackuba
mackuba / wwdc15.md
Last active August 6, 2022 17:28
New stuff from WWDC 2015

Here's my own list of the interesting stuff announced during this year's WWDC, collected from the keynotes, various Apple docs, blog posts and tweets.

If you're planning to watch the videos, I really recommend this Mac app that helps you download and watch them: https://github.com/insidegui/WWDC.

OS X El Capitan

http://www.apple.com/osx/elcapitan-preview/

  • split view - two apps side by side on full screen
@nRewik
nRewik / UIImage+Orientation.swift
Created August 21, 2015 09:00
UIImage fix orientation ( rotate pixel rather than relying on exif )
//
// UIImage+Orientation.swift
// DrCloudPatient
//
// Created by DW78 on 8/21/15.
// Copyright (c) 2015 DW78. All rights reserved.
//
import UIKit
@diegoconcha
diegoconcha / redux_egghead_notes.md
Last active January 18, 2022 13:23
Redux Egghead.io Notes

###Redux Egghead Video Notes###

####Introduction:#### Managing state in an application is critical, and is often done haphazardly. Redux provides a state container for JavaScript applications that will help your applications behave consistently.

Redux is an evolution of the ideas presented by Facebook's Flux, avoiding the complexity found in Flux by looking to how applications are built with the Elm language.

####1st principle of Redux:#### Everything that changes in your application including the data and ui options is contained in a single object called the state tree

@chriseidhof
chriseidhof / TypedExpr.swift
Last active February 3, 2018 23:01
Typed Expressions in Swift
// Variables just contain an integer. We can have a maximum of `Int.max` variables in our program. ¯\_(ツ)_/¯
private struct Var {
static var freshVarIx = 0
let ix: Int
init() {
Var.freshVarIx+=1
ix = Var.freshVarIx
}
}
// paste in your console
speechSynthesis.onvoiceschanged = function() {
var msg = new SpeechSynthesisUtterance();
msg.voice = this.getVoices().filter(v => v.name == 'Cellos')[0];
msg.text = Object.keys(window).join(' ');
this.speak(msg);
};
@andymatuschak
andymatuschak / States-v3.md
Last active May 12, 2025 06:11
A composable pattern for pure state machines with effects (draft v3)

A composable pattern for pure state machines with effects

State machines are everywhere in interactive systems, but they're rarely defined clearly and explicitly. Given some big blob of code including implicit state machines, which transitions are possible and under what conditions? What effects take place on what transitions?

There are existing design patterns for state machines, but all the patterns I've seen complect side effects with the structure of the state machine itself. Instances of these patterns are difficult to test without mocking, and they end up with more dependencies. Worse, the classic patterns compose poorly: hierarchical state machines are typically not straightforward extensions. The functional programming world has solutions, but they don't transpose neatly enough to be broadly usable in mainstream languages.

Here I present a composable pattern for pure state machiness with effects,

This document has moved!

It's now here, in The Programmer's Compendium. The content is the same as before, but being part of the compendium means that it's actively maintained.