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!
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package com.yourApplication.inject | |
import com.google.inject._ | |
import net.codingwell.scalaguice.InjectorExtensions.ScalaInjector | |
import net.codingwell.scalaguice.ScalaModule | |
import com.google.inject.util.Modules | |
import play.api.Mode._ | |
import play.api.Mode | |
import java.util.concurrent.atomic.AtomicBoolean |
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# Create vagrant image | |
vagrant init ubuntu12_64 http://files.vagrantup.com/precise64.box | |
vagrant up | |
vagrant ssh | |
# Fork aws/opsworks-cookbooks on github | |
# https://github.com/aws/opsworks-cookbooks | |
# Clone locally | |
git clone [email protected]:yourusername/opsworks-cookbooks.git | |
cd opsworks-cookbooks |
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# Note (November 2016): | |
# This config is rather outdated and left here for historical reasons, please refer to prerender.io for the latest setup information | |
# Serving static html to Googlebot is now considered bad practice as you should be using the escaped fragment crawling protocol | |
server { | |
listen 80; | |
listen [::]:80; | |
server_name yourserver.com; | |
root /path/to/your/htdocs; |
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http://robots.thoughtbot.com/convert-ruby-1-8-to-1-9-hash-syntax | |
search = :([^ ]*)(\s*)=> | |
replace = $1: |
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# Original Rails controller and action | |
class EmployeesController < ApplicationController | |
def create | |
@employee = Employee.new(employee_params) | |
if @employee.save | |
redirect_to @employee, notice: "Employee #{@employee.name} created" | |
else | |
render :new | |
end |
(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.
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var child_process = require('child_process'); | |
exports.handler = function(event, context) { | |
var proc = spawn('./test', [ JSON.stringify(event) ], { stdio: 'inherit' }); | |
proc.on('close', function(code){ | |
if(code !== 0) { | |
return context.done(new Error("Process exited with non-zero status code")); | |
} |
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class PurchaseApprover | |
# Implements the chain of responsibility pattern. Does not know anything | |
# about the approval process, merely whether the current handler can approve | |
# the request, or must pass it to a successor. | |
attr_reader :successor | |
def initialize successor | |
@successor = successor | |
end |
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// #!Swift-1.1 | |
import Foundation | |
// MARK: - (1) classes | |
// Solution 1: | |
// - Use classes instead of struct | |
// Issue: Violate the concept of moving model to the value layer | |
// http://realm.io/news/andy-matuschak-controlling-complexity/ |