Brandon Harper devnulled

Refactoring Booleans to Functions

Boolean parameters are a plague, responsible for non-composable, monolithic functions that never quite do enough, and countless programming bugs:

"Oops, meant to pass that as the 2nd boolean flag, not the 1st!"
"Oops, accidentally inverted the meaning of that boolean in the implementation!"
"Oops, the function isn't flexible enough for my use case, let's add a 6th boolean flag!"
"Oops, got the meaning of that boolean flag wrong, time to dig into the source code!"

All boolean parameters should be refactored into functions that effect the change otherwise encoded in the parameter.

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Powerlevel10k

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
Scaling Twitter: Making Twitter 10000 Percent Faster

I'm doing some research on how companies use GitHub Enterprise (or public GitHub) internally. If you can help out by answering a few questions, I'd greatly appreciate it.

What is the primary setup? Is there an organization and each official repo is owned by that organization?
Does every engineer have a fork of each repo they're working on?
Are engineers allowed to push directly to the official repo? Or must all commits go through a pull request?
Do engineers work on feature branches on the main repo or on their own forks?
Do you require engineers to squash commits and rebase before merging?
Overall, what is the workflow for getting a new commit into the main repository?
What sort of hooks do you make use of?
Are there any ops issues you encountered? (Scaling, unforeseen downtime, etc.)

This is a quick configuration upgrade that allows you to continue using ssh as you have, but with the added benefit of ssh-agent forwarding when logged into remote hosts, meaning no more keys on intermediate servers and the like.

Requirements

This snippet assumes that you've been using ssh, ssh keys, and authorized_keys on remote hosts.

.ssh/id_dsa and/or .ssh/id_rsa already exist
keys are authorized on the remote servers you have been using
you have at least a minimal working .ssh/config file

Unfortunately, the Cisco AnyConnect client for Mac conflicts with Pow. And by "conflicts", I mean it causes a grey-screen-of-death kernel panic anytime you connect to the VPN and Pow is installed.

As an alternative, there is OpenConnect, a command-line client for Cisco's AnyConnect SSL VPN.

Here's how to get it set up on Mac OS X:

OpenConnect can be installed via homebrew:
```
 brew update
```

brew install openconnect

	(* Script to record and tag spotify tracks, by Lloyd Moore *)
	(* Modified by Tiffany G. Wilson to resolve audio splitting issues, automate starting/stopping, and add recording customization *)
	(* Snippets for controlling Spotify are from Johnny B on tumblr (http://johnnyb.tumblr.com/post/25716608379/spotify-offline-playlist) *)
	(* The idea of using delayed tagging/filename updating is from a guest user on pastebin (http://pastebin.com/rHqY0qg9) *)
	(* The only thing to change in the script is the output format; you must change the file extension and the recording format to match *)
	(* Run this script once a song you want to record is queued (stopped at beginning) or playing *)
	(* Running the script will initiate hijacking, recording and audio playback *)
	(* To stop script, pause Spotify or wait for album/playlist to end*)
	(* To set id3 tags, use application Kid3 (http://sourceforge.net/projects/kid3/) and copy '%{artist} - %{album} - %{track} - %{title}' from file name to Tag 2 *)

	# -- mode: ruby --
	# vi: set ft=ruby :

	BOX_NAME = ENV['BOX_NAME'] \|\| "Centos6.4"
	BOX_URI = ENV['BOX_URI'] \|\| "http://shonky.info/centos64.box"

	# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
	VAGRANTFILE_API_VERSION = "2"

	Vagrant.configure(VAGRANTFILE_API_VERSION) do \|config\|

	function rm () {
	local path
	for path in "$@"; do
	# ignore any arguments
	if [[ "$path" = -* ]]; then :
	else
	local dst=${path##*/}
	# append the time if necessary
	while [ -e ~/.Trash/"$dst" ]; do
	dst="$dst "$(date +%H-%M-%S)

	import com.typesafe.config.{ Config, ConfigFactory, ConfigException }

	import scala.util.control.Exception._

	/* At the beginning of app execution load essential configurations and assign
	* them to vals. */
	object MyAppConfig {

	private[this] val conf: Config = trapConfig {
	ConfigFactory.load() getConfig "myapp"