thisivan

# Hex digest a file, without loading the whole file into memory:

require 'digest/md5'

def md5sum_file(path)
  digest = Digest::MD5.new
  File.open(path, 'r') do |file|
    while buffer = file.read(1024*8)
      digest << buffer
    end

thisivan

#!/bin/sh

### BEGIN INIT INFO
# Provides:             god
# Required-Start:       $all
# Required-Stop:        $all
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    God
### END INIT INFO

thisivan

        onAdd : function () {
            this.getPanes().floatPane.appendChild(this.element.get(0));
        },

thisivan

" Change leader key from \ to ,
let mapleader = ","

map <leader>s :TlistToggle<CR>
map <leader>f :FuzzyFinderTextMate<CR>
map <leader>l :BufExplorer<CR>
map <leader>t :NERDTreeToggle<CR>
map <leader>w :b#<CR>

thisivan

# Rebase
$ git commit -a -m "Commit message"
$ git fetch
$ git rebase [branch] # origin/master
$ git push

# Stash
$ git stash
$ git pull
$ git stash apply

thisivan

# Replace text in files using regular expressions

# test your search
find . | xargs grep ':precision => 2, :scale => 14' -l

# replace text
find db/migrate -type f -name "*" -exec sed -i -e "s/:precision => 2, :scale => 14/:precision => 14, :scale => 2/g" "{}" \;

# test your results
grep ":precision => 2, :scale => 14" db/migrate/. -R

thisivan

Time.strftime¶ ↑

%a - The abbreviated weekday name (``Sun'')
%A - The  full  weekday  name (``Sunday'')
%b - The abbreviated month name (``Jan'')
%B - The  full  month  name (``January'')
%c - The preferred local date and time representation
%d - Day of the month (01..31)
%H - Hour of the day, 24-hour clock (00..23)
%I - Hour of the day, 12-hour clock (01..12)

thisivan

# Replace text in files using regular expressions:
find db/migrate -type f -name "*" -exec sed -i -e "s/:precision => 2, :scale => 14/:precision => 14, :scale => 2/g" "{}" \;
# Find replacements made:
grep ":precision => 2, :scale => 14" db/migrate/. -R

thisivan

// Defining constructor function
function SingletonObject() {
  // TODO: Add your own initialization code here
  this._message  = 'Hello Prototype World!';
};

// Current instance property
SingletonObject._instance = null;

SingletonObject.getInstance = function() {

thisivan

// Defining constructor function
function ObjectConstructor(message) {
  // TODO: Add your own initialization code here
  this.message = message || 'Hello Prototype World!';
};

// Defining an instance function
ObjectConstructor.prototype.sayHello = function() {
  alert(this.message);
};