Vova vova

Common zsh Keyboard Shortcuts on macOS

Navigation

CTRL + A : Move the cursor to the beginning of the line
CTRL + E : Move the cursor to the end of the line
OPTION + Left Arrow : Move the cursor one word backward
OPTION + Right arrow : Move the cursor one word forward
Left Arrow : Move the cursor one character backward
Right Arrow : Move the cursor one character forward

%Q, %q, %W, %w, %x, %r, %s, %i

Perl-inspired notation to quote strings: by using % (percent character) and specifying a delimiting character.

Any single non-alpha-numeric character can be used as the delimiter, %[including these], %?or these?, %~or even these things~.

Strings

% or %Q

Install a new ruby version with chruby

OSX

First of all you must update ruby-build to update definitions list.

brew update

And update ruby-build

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	db = db.getSisterDB("config");

	var mongosConn = db; // assume we connected to a mongos to get going

	var res = null;

	function check() {
	printjson(res);
	if( !res \|\| !res.ok ) {
	throw "check(): not ok, stopping";