ChrisTM

class throttle(object):
    """
    Decorator that prevents a function from being called more than once every
    time period.

    To create a function that cannot be called more than once a minute:

        @throttle(minutes=1)
        def my_fun():
            pass

dnozay

# you can add this to your ~/.bash_profile
# based on: http://www.tekrevue.com/tip/how-to-create-a-4gbs-ram-disk-in-mac-os-x/

create_ramdisk() {
  # usage: create_ramdisk ramdisk_name size_in_kb
  # e.g. "create_ramdisk ramdisk 4096" will create a 4GB ramdisk.
  let ramsize=$2*2048;
  diskutil erasevolume HFS+ $1 `hdiutil attach -nomount ram://$ramsize`;
}

scy

My OS X “VPN only” Setup For #30C3

You should never let passwords or private data be transmitted over an untrusted network (your neighbor’s, the one at Starbucks or the company) anyway, but on a hacker congress like the #30C3, this rule is almost vital.

Hackers get bored easily, and when they’re bored, they’re starting to look for things to play with. And a network with several thousand connected users is certainly an interesting thing to play with. Some of them might start intercepting the data on the network or do other nasty things with the packets that they can get.

If these packets are encrypted, messing with them is much harder (but not impossible! – see the end of this article). So you want your packets to be always encrypted. And the best way to do that is by using a VPN.

Target audience

kyleve

/**
 Provides the ability to verify key paths at compile time.
 
 If "keyPath" does not exist, a compile-time error will be generated.
 
 Example:
    // Verifies "isFinished" exists on "operation".
    NSString *key = SQKeyPath(operation, isFinished);
 
    // Verifies "isFinished" exists on self.

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

mpeshev

# shortform git commands
alias g='git'

# generate file list modified since last commit and export to tar file
git diff-tree -z -r --no-commit-id --name-only --diff-filter=ACMRT COMMID_HASH | xargs -0 tar -rf list.tar

# export unpushed files list
git log -z origin/master..master --name-only --pretty="format:" | sort -zu | xargs -0 tar -rf list.tar

# Count the lines of each file extenion in a list of files

calebd

extension Array {
    
    func first() -> Element? {
        if isEmpty {
            return nil
        }
        return self[0]
    }
    
    func last() -> Element? {

airdrummingfool

#!/bin/bash

#  update_build_number.sh
#  Usage: `update_build_number.sh [branch]`
#  Run this script after the 'Copy Bundle Resources' build phase
#  Ref: http://tgoode.com/2014/06/05/sensible-way-increment-bundle-version-cfbundleversion-xcode/

branch=${1:-'master'}
buildNumber=$(expr $(git rev-list $branch --count) - $(git rev-list HEAD..$branch --count))
echo "Updating build number to $buildNumber using branch '$branch'."

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

jpsim

//
//  JAZMusician.h
//  JazzyApp
//

#import <Foundation/Foundation.h>

/**
 JAZMusician models, you guessed it... Jazz Musicians!
 From Ellington to Marsalis, this class has you covered.