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OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

imom39a

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

imom39a

#!/bin/bash

CUR_DIR=$(pwd)

echo "\n\Pulling in latest changes for all module...\n"

for i in $(find . -name ".git" | cut -c 3-); do
    echo "";
    echo "current directory"+$i;
    cd "$i";

imom39a

Brew Error: /usr/local must be writable

sudo chgrp -R admin /usr/local

sudo chmod -R g+w /usr/local

imom39a

How to ssh into a server

ssh-keygen
[enter]
[enter]
[enter]

cd ~/.ssh
ssh-copy-id -i id_rsa.pub USERNAME@SERVERTARGET

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import (
    "crypto/md5"
    "encoding/hex"
)

func GetMD5Hash(text string) string {
    hasher := md5.New()
    hasher.Write([]byte(text))
    return hex.EncodeToString(hasher.Sum(nil))
}

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##
# sudo chmod 775 /usr/local/bin/checkwifi.sh
# crontab -e
# */5 * * * * /usr/bin/sudo -H /usr/local/bin/checkwifi.sh >> /dev/null 2>&1
##
 
## reboot on network failure
ping -c4 192.168.1.1 > /dev/null

if [ $? != 0 ] 

imom39a

-- list all go deps

`go list -e -json -compiled .`