mxcl

#!/bin/bash

alias ..="cd .."
alias ls="ls -p"
alias la="ls -lA"
alias l="ls -l"
alias ll="ls -l"
alias psf="ps -cU `whoami`"
alias grep="grep --color=auto"
alias cack="ack --cpp"

lucasfais

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

peter

# 0. Make sure you have Ruby 1.9.3 installed, and optionally RVM and PostgreSQL

# 0.2 If you are on the Mac, make sure you have a c compiler by installing XCode Command Line Tools or gcc4.2 with homebrew
# https://github.com/mxcl/homebrew/wiki/Custom-GCC-and-cross-compilers

# 0.5 Make sure you have bundler version ~> 1.2 as Rails depends on it
gem install bundler

# 1. Get edge Rails source (master branch)
git clone https://github.com/rails/rails.git

lelandbatey

Description

This simple script will take a picture of a whiteboard and use parts of the ImageMagick library with sane defaults to clean it up tremendously.

The script is here:

#!/bin/bash
convert "$1" -morphology Convolve DoG:15,100,0 -negate -normalize -blur 0x1 -channel RBG -level 60%,91%,0.1 "$2"

Results

cscalfani

Functional Composition with Multiple Parameters in Haskell

In the past, I've written composition functions in both Elm and Haskell that take multiple parameters for the leftmost function, i.e. the function that gets applied first.

(All examples here are in Haskell)

Here was my Haskell implemenation (stolen from the web):

compose2 :: (c -> d) -> (a -> b -> c) -> a -> b -> d

Horusiath

module Program =
        
    type InMemoryDb(replica: ReplicaId) =
        let snapshot = ref null
        let mutable events : Map<uint64,obj> = Map.empty
        interface Db with
            member _.SaveSnapshot state = async { snapshot := (box state) } 
            member _.LoadSnapshot<'s>() = async {
                match !snapshot with