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// Implementation in ES6
function pagination(c, m) {
    var current = c,
        last = m,
        delta = 2,
        left = current - delta,
        right = current + delta + 1,
        range = [],
        rangeWithDots = [],
        l;

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const getAppEnv = (function(){

  class AppEnv{
    
    constructor(platform, buildVersion){
      this.platform = platform;
      this.buildVersion = buildVersion;
      this.cacheEnabled = false;
    }
    enableCache(){

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class Phone{

	backup(){
	    console.log("Applying default backup strategy")
    }
}


function googleBackup(phone){
	const _backup = phone.backup;

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module GoogleBackUp

def backup
  puts("Back Up with Google")
  super
end

end

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NSSM cheatsheat

• Create a new service
• List parameters for a service
• Set a parameter for a service
• Parameter list

Create a new service

nssm.exe install SERVICE_NAME "C:\path\to\exe\or\bat\file.ext" "argument1 argument2"

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Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

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#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Example of `adapter' design pattern
# Copyright (C) 2011 Radek Pazdera

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

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# Redis Cheatsheet
# All the commands you need to know


redis-server /path/redis.conf  # start redis with the related configuration file
redis-cli                      # opens a redis prompt


# Strings.

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NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.

---

Q: How can I make a chain of function decorators in Python?

---

If you are not into long explanations, see [Paolo Bergantino’s answer][2].

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function LinkedList(){
	this.head = null;
}

LinkedList.prototype.append = function(data){
	var newNode = {
		data :  data,
		next : this.head //  Since the new node is going to be the head, assigning existing head reference to next property
	}
	this.head = newNode;