| import urllib2 | |
| import re | |
| import sys | |
| from collections import defaultdict | |
| from random import random | |
| """ | |
| PLEASE DO NOT RUN THIS QUOTED CODE FOR THE SAKE OF daemonology's SERVER, IT IS | |
| NOT MY SERVER AND I FEEL BAD FOR ABUSING IT. JUST GET THE RESULTS OF THE | |
| CRAWL HERE: http://pastebin.com/raw.php?i=nqpsnTtW AND SAVE THEM TO "archive.txt" |
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"
I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
\
| func EncodeStreamingVideo(streamingFile io.Reader, request ShouldCanceler) (*os.File, error) { | |
| outputFilename := generateFilename("mp4") | |
| // Actually start the command. | |
| cmd := exec.Command("ffmpeg", | |
| // Read input from stdin. | |
| "-i", "-", | |
| // ... environment-specific ffmpeg options ... | |
| "-y", outputFilename) |
(by @andrestaltz)
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.
| # in spec_helper.rb | |
| RSpec.configure do |config| | |
| records = [] | |
| config.before :suite do | |
| Cequel::Record.descendants.each do |klass| | |
| klass.after_create {|r| records << r } | |
| end | |
| end |
| var pureRender = (Component) => { | |
| Object.assign(Component.prototype, { | |
| shouldComponentUpdate (nextProps, nextState) { | |
| return !shallowEqual(this.props, nextProps) || | |
| !shallowEqual(this.state, nextState); | |
| } | |
| }); | |
| }; | |
| module.exports = pureRender; |
| (require 'vlad.core) | |
| (def rules | |
| (join (attr [:name] present) | |
| (attr [:message] present))) | |
| (def names | |
| {[:name] "Name" | |
| [:message] "Message"}) |
| defmodule MyBlog.Repo.Migrations.CreatePost do | |
| use Ecto.Migration | |
| def change do | |
| create table(:posts, primary_key: false) do | |
| add :id, :uuid, primary_key: true | |
| add :body, :string | |
| add :word_count, :integer | |
| timestamps |
Mind expanding programming languages