sdn pain

Standardize the development of the specification of ASP Development code-write this thing please advise, later development good less to eat a bit of pain. One, one-page writing specifications: Remember that the page needs to be divided into modules: First module: Receive parameters. [It is possible to submit from different pages to the same page, or you can see which of the two form items is treated as a priority. Second module: Define global variabl

invoicing, the way of invoicing is no longer single, and the statistical way changes ... As the business continues to grow, the size of the software code is also changing in quality. If we do not adjust our design in time, but all the programs are hard to "invoicing business Class", then the quality of the program will inevitably degenerate. "Invoicing Business Class" from the original dozens of lines, the surge to hundreds of lines, or even thousands of lines. The code will be difficult to rea

I. first look at the brain chart II. The previous article briefly describes the manifest File Cache. 　　The previous article can solve the problem, but it brings about more fatal problems. Finally, I thought of this method. We also encountered some

1, mininet Installation and use1.1mininet InstallationUbuntu 12.04/14.04/14.10 command line sudo apt-get install mininet1.2 Mininet basic CommandsNodes: View all nodesNET: Viewing link informationDump: View details for each nodeMn–c:mininet after

The system must be installed and configured on 14 machines. Careful operation, can not delete the original system, can only use free space to install the system.Choose the Debian 8.2 system, first because the CentOS installation failure on the

Editor's note: China SDN/NFV Conference held in beijing, the conference around SDN/NFV discussion, from operators, service providers and other industry giants have participated in the CONFERENCE. Pei, Manager of Technical Strategy Department of

The first kind, in the English meaning1. The North interface is the top level abstraction interface of a module;2. The South interface is the interface of the internal sub-module of a module;The second, according to my understanding, the North

At the recent website, I often heard developers say that a Story has been developed, waiting for joint debugging, and then there will be no more. When the joint debugging time is near, developers will wait and a day passes quickly. When the time is

To a number of different resolution browser is a depressing thing, is all the people who write CSS will encounter. Although conditional annotations are an ideal approach, forward backwards compatibility. Unfortunately I don't like n versions of CSS,

Introduction: Oracle hardwareThe problem caused Oracle to suffer. According to the results of a recent survey conducted by the Independent Oracle user organization (IOUG), the accidental interruption of the Oracle database over the past year was

Recently, someone dared to say that the Ubuntu volunteers were rats and people shouted. I think this person is scolding me. Someone, after learning some programming skills, has a high level of self-view knowledge. It is actually very simple.

This is a creation in Article, where the information may have evolved or changed. This article is based on my February 27 gopher Beijing gathering speech, made some additions and adjustments. Submitted to the "High Availability Architecture" public

The null type is good, and the generic type is also good.However, when we need to access the empty type dynamically created, the problem arises. See the followingCode Propertyinfo prophasvalue =   Typeof ( Int ? ). Getproperty ( "

I just sent away my senior brother. Everything was so sudden that they were about to leave.My brother is already on the train to Beijing. I don't know what it feels like, but my mind is a little sad and sad.I used to take care of my teachers. Now

The first phase of the project is coming to an end. I will share a callback function for the definition of infinite classification (to be honest, it was written at that time as well. now let's look at more callback, O (& amp; cap; _ & amp; cap;) O ~)

Situation One: Situation Two: Note: There may be case and name, and the Content property [color= #FF6600] is not in the same position [/color]Younger brother tried to write a bit, can only match a write Web page, do not know what the problem.

The use of row_number for paging is almost a household name, and it is easy to use. It is simply a tool for programmers to take a home. However, row_number does not exist like an invincible bug, I have encountered several small issues recently for

  I learned C language directly to C. Now I have to turn to C ++. I personally think that C ++ is the key to learning about its memory allocation. Next I will use a simple class to study the memory allocation of C ++. // Definition of the test

The background of the camera was a white wall that day, and the problem occurred during decoding. Symptom:The decoded image has obvious blocks on the wall, and the other image changes greatly (such as the face part. Problem Analysis:This is not the

Modern Urban people are busy with work, smoke and alcohol erosion, and lack of good eating habits due to environmental pollution. They all have various symptoms of fire (such as acne, oral ulcer, thick white tongue, red eyes, yellow urine, etc ). In