remyroez

-- https://stackoverflow.com/questions/33988610/weird-behavior-of-syntax-sugarcolon-in-lua

local debug = require 'debug'
debug.setmetatable(0, { __index = math })
debug.setmetatable(function() end, { __index = coroutine })
debug.setmetatable(coroutine.create(function() end), { __index = coroutine })

local table = require 'table'
table.new = function (self, t)
    t = t or self

Rseding91

#include <MacroVariant.hpp>

bool MacroVariant::isCorrectDataTypeForAction(MacroVariantType action, const std::type_info& type)
{
  switch (action)
  {
#define ADD_CASE(ACTION, PREFIX, TYPE, VALUE) \
    case MacroVariantType::ACTION: return typeid(std::remove_cv<PREFIX TYPE>) == type;
    CALL_ON_EVERY_TYPE_WITH_DATA(ADD_CASE)
#undef ADD_CASE

john2x

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

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 and Sequences

chetan

YARD CHEATSHEET http://yardoc.org

May 2020 - updated fork: https://gist.github.com/phansch/db18a595d2f5f1ef16646af72fe1fb0e

cribbed from http://pastebin.com/xgzeAmBn

Templates to remind you of the options and formatting for the different types of objects you might want to document using YARD.

Modules

snipsnipsnip

rtomayko

#!/usr/bin/env ruby
#/ Usage: <progname> [options]...
#/ How does this script make my life easier?
# ** Tip: use #/ lines to define the --help usage message.
$stderr.sync = true
require 'optparse'

# default options
flag    = false
option  = "default value"