Scott McLeod halcyon

Clojure Destructuring Tutorial and Cheat Sheet

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors

Comments? [email protected]

Emacs learning curve?

Meta information

Assumptions

Mix of Emacs geeks skewed towards people who’ve been using this for a while (after all, takes a certain commitment to come all the way to an Emacs conference!)

Outcomes

Org-mode Org-mode Reference Card

Org mode reference card

Created from the plain text reference card on orgmode.org Download this file, and open it in Emacs org-mode!

2015-01-29 Unofficial Relay FAQ

Compilation of questions and answers about Relay from React.js Conf.

Disclaimer: I work on Relay at Facebook. Relay is a complex system on which we're iterating aggressively. I'll do my best here to provide accurate, useful answers, but the details are subject to change. I may also be wrong. Feedback and additional questions are welcome.

What is Relay?

Relay is a new framework from Facebook that provides data-fetching functionality for React applications. It was announced at React.js Conf (January 2015).

	alias e='/usr/local/bin/emacs'

	is_arg_p() {
	[[ ${1} == $'-'* ]]
	}

	file_not_found_p() {
	[[ ! -f ${1} ]]
	}

	-- drop table bleh;

	create table bleh (id char(2) Primary Key,
	parent_id char(2) );

	insert into bleh VALUES ('A1', null);
	insert into bleh VALUES ('A2', 'A1');
	insert into bleh VALUES ('A3', 'A2');
	insert into bleh VALUES ('A4', 'A3');
	insert into bleh VALUES ('B1', null);

	/usr/local/bin/zsh -c "/usr/local/bin/tmux -q has-session && exec tmux attach-session -d \|\| exec tmux new-session -n$USER -s$USER@$HOSTNAME"
	/usr/local/bin/zsh -l -c "/usr/local/bin/tmux -q has-session && exec /usr/local/bin/tmux attach-session -d \|\| exec /usr/local/bin/tmux new-session -n$USER -s$USER@$HOSTNAME"