easy challenges

Design this month, Eric Allen explains how avoiding and controlling irrational changes is the key to keeping code robust while making code easier to maintain. He focused on concepts such as functional style code writing, and methods for labeling fields, methods, and classes to handle and prevent variability. Eric also explains the role of unit testing and refactoring in this task, and provides two tools to help with refactoring. Share your views on this article with the author and other readers

"Unified Communication" sounds easy: it enables employees to have the ability to communicate freely and switch between desktop phones, mobile phones, and other terminals, you can receive incoming calls, send and receive instant messages, and attend video conferences at will to improve productivity and work efficiency. However, for IT managers of enterprises, deploying a unified communication system is actually not that simple. "When we need to migrate

This article source: https://github.com/jonechenug/ZHS.Nrules.Sample 1. Introduction 1.1 Why a rule engine is requiredIn the early days of business, it might be possible to use hard-coded or logical judgments to meet the requirements. But with the development of business, more and more problems will be exposed: Logic complexity brings coding challenges, changing logic when requirements change can cause disaster Repetitive requirement

Easy Number One key restore, is the easy number of independent research and development of the system backup and restore software, different from a key ghost, a key to restore the elves, such as the core based on Ghost software, easy to restore a key based on the Diskgenius kernel development, support all Chinese fool-type Guide operation interface, safe and reli

"Easy language. Flying" 10 minutes getting started tutorial Author: liigo 2007.1.1 Link: http://blog.csdn.net/liigo/archive/2007/01/01/1472077.aspx Reprint must indicate the source: http://blog.csdn.net/liigo 1st minutes: overture 2nd minutes: new acquaintance of "easy language. Flying" 3rd minutes: the first program 4th minutes: the First Class Library 5th minutes: Guess digital games 6th minutes:

After the public opinion of the telephone book faded, the industry began to have the patience to learn more about the easy-to-believe "free phone". In the forex just line on the free phone function when embarrassed is considered to be against the phone book, in fact, the target is not the phone book, but itself, and hope to bring more user growth through free phone calls."Social"+"Communication" strategy clearAt birth, Forex is a standard set of mobil

"Easy language. Flying" 10 minutes getting started tutorial (Revision 1, update for ef1.1.0) Author: liigo, 2007.8.12 Address: http://blog.csdn.net/liigo/archive/2007/08/12/1739861.aspx Reprint must indicate the source: http://blog.csdn.net/liigo/ This article was first launched in 2007.1.1. Now, 1.1.0, the third test version of "easy language. Flying", has been released for nearly two months. This version

[Centos] install openvpn server (easy-rsa3)VPN is widely used in office and fan wall fields. We may use it in small office networks recently. Learn it first.The vpn server must have a public ip address, which can be used by clients in multiple environments.ConceptPKI: Public Key Infrastructure CA: core of Certificate Authority pkiCentos6.6 in virtual machine environmentNic eth0 Link encap:Ethernet HWaddr 00:50:56:35:E7:EC inet addr:19

The following is the first draft of the Easy. Ajax class. If it must be published, it must be modified in the code to minimize it, but the API will not change. The Code is as follows: Easy. Ajax = {ProxyPool :{Length: function (){Var I = 0;For (var p in this)I ++;Return I-1;}},Index: 0,Async: true,XmlData: false,Timeout: 1,DefaultHeader: 'application/json; charset = UTF-8 ',Revoke Ache: true,EmptyFn: fun

Background introduction to OpenGL programming easy to get started A simple example of an easy introduction to OpenGL programming (1) A simple example of an easy introduction to OpenGL programming (2) OpenGL programming easy to get started with the color An easy to get st

An example of Cisco Easy VPN comprehensive configuration is shown in this example. The topology is 15-15. In this example, the Cisco 831 router is used as the remote device of Easy VPN and the Cisco 1751 router is used as the device of Easy VPN Server. In this example, the WAN interface IP addresses of the Cisco 1751 router and the Cisco 831 router are both stati

Easy language v5.3 Perfect cracked version + cracked patch. Easy language is a self-developed, suitable for national conditions, different levels of different professional personnel easy to learn and easy to use Chinese programming language. Easy language to reduce the vast

Author: liigo Link: http://blog.csdn.net/liigo/archive/2009/06/23/4292691.aspx Reprinted please indicate the source: http://blog.csdn.net/liigo Liigo: "easy language. Dust" interface library version 2.0 Source Code Analysis Series I recently obtained the source code of the easy language module, "Easy language. the 2.0 version of the "dust" interface library

Wu Tao's work-easy language and VOLCANO 3D Game Engine, Wu Tao volcano Easy language Chinese programmingWww.eyuyan.com VOLCANO 3D Game EngineWww.volcano3d.cn Easy language Easy language is a self-developed Chinese programming language that is suitable for national conditions and

Zhongxiaoli (Liigo)Date: March 3, 2015 nightOriginal link: http://blog.csdn.net/liigo/article/details/44045177Copyright, reproduced Please specify the source: Http://blog.csdn.net/liigoTwo days ago I helped to solve a technical problem, which is briefly recorded and summarized here.Specifically, in the process of using the WebKit engine-based encapsulation component Wke, a simple language function needs to be registered with the JavaScript engine so that it can be called in a Web page (just like

technical knowledge to develop a complete set of solutions for customers and have the ability to communicate with each other, negotiation skills, ability to respond to various emergencies. You must be sure of the overall situation. It is not as simple as drinking and drinking with customers. Of course, informal market behaviors are not included. You need to know that dealing with people is the most difficult thing. We need to face each other directly with our competitors and confront each other

commended.The second step is to visualize the data using the OData client. The benefits of the OData standard are apparent at this time. Because it is standard, there are a variety of client libraries to use. This article uses a very straightforward, straightforward and efficient way to display OData data on a WPF program using the Auxiliary library Dynamic Data display provided on a CodePlex.Finally, the author Louis Ross also explores the challenges