what is otdr testing

apps. Appium has a better philosophy of design, simply do not for mobile automation testing and the development of a set of API interface, so Appium is also based on selenium Webdriver has been extended to expand some of the operational Mobile API interface, After we learned the API interface of selenium, we learned that the Appium only need to learn to expand the API interface of those operations mobile s

What php needs to know is not impetuous. 1. Syntax: you must be familiar with it. when writing code, the IDE editor should be able to report an error to a line based on the error message. It knows what kind of syntax errors are and knows any correction. 2. commands: you must be familiar with some common commands and their common options in PHP, be familiar with t

Difference between the two: Action class: ◆ Struts1 requires the Action class to inherit an abstract base class. A common problem with Struts1 is the use of abstract class programming rather than interfaces. ◆ Struts 2 Action class can implement an Action interface or other interfaces to make optional and customized services possible. Struts2 provides an ActionSupport base class to implement common interfaces. The Action interface

When I updated Ionic , someone asked me what is Angular, why should we study it? This is my negligence, in not telling you what is Angular, let everyone start to learn Ionic. So today let us know what

can share the applet using the above implementation? The answer is in the negative. Look at the official document saying: The mobile app sharing feature supports applet type sharing and requires that the app and applet that originated the share be part of the same open platform account. Support for sharing applet type messages to friend sessions, "share to Friends" and "favorites" is not supported

options that dramatically affect performance. Therefore, as in the first part, I will address as many specific issues as possible. Objective The purpose of my research is to get enough information to find the answers to the following questions: * Should you use adovbs.inc include files? * Should you create a separate connection object when using a recordset? * What

The callback function is written by yourself. You need to call another function. One of the parameters of this function isIt is your callback function name. In this way, the system will call the callback function you write when necessary, so that you canTo complete what you want to do in the callback function. Module A has a function Foo, which transmits the foo

The callback function is written by yourself. You need to call another function. One of the parameters of this function isIt is your callback function name. In this way, the system will call the callback function you write when necessary, so that you canTo complete what you want to do in the callback function. Module A has a function Foo, which transmits the foo

What is function responsive programming (Java Android) and function responsive programming (java )?What is function responsive programming (Java and Android) -- Welcome to reprint, please indicate the source of http://blog.csdn.net/asce1885, do not use for commercial purposes without my consent, thank you -- Link: htt

development team includes: User, project leader, analyst, junior Programmer, data clerk, operator.Software engineering refers to the use of engineering concepts, principles, techniques and methods to develop, maintain, and test the time to prove that the right management technology and the current can getThe best technical methods combine to guide the development and maintenance of computer software in engineering disciplines.Software engineering emphasizes the use of life cycle methodologies,

I've seen the Handbook of motion control chips before, including Nova's MCX314 and PCL6045, and know the concept of interpolation.But what exactly is interpolation, in fact, has always been a little puzzled, and then silly to ask some experts, their argument is:Interpolation can be multi-axis output at the same time, fast. And then I don't know what to ask.Based

tests by completing the existing break. This is the main process of finding a bug, and it is much more efficient to find bugs by testing than by mental troubleshooting. Because you just write what kind of situation you expect from the output. There are unexpected results by debugger to find out where to think fork.Wri

troubleshooting. OPS will say there are problems with the product that the development team gives. Developers will respond by saying that the product works well in their environment, so it must be what the Ops people did wrong in the deployment process. Because of the differences in configuration, file storage location, and process, it is not easy for developers to diagnose problems. There

The most common description of agile development is the development of iterations, while doing the development of requirements and so on. Some people also think that agile development is a model, as long as other methodologies to comply with what time to do things can be agile. It feels like these statements are not exactly descriptive of agile development, and s

Http://www.ibeifeng.com/read.php? Tid = 3671 u= 14387 What is an algorithm? 1. What is an algorithm?Algorithms are a series of clear instructions for solving problems, that is, canEnough for a certain standard input, get the required output within a limited period of time.

Today, a netizen wrote, "The typing speed isProgramEmployee's lifeblood"Article(Ridicule), which leads to further thinking about what is the root of a programmer. First of all, what are the main tasks of programmers (beginners): Write according to designCode; Write document; modifyBug; Function testing; simple logic

(adjustment my.cnf) second, when analyzing the reasons, we must find the starting point: 1. First observe, turn on the slow query log, set the appropriate thresholds (for example, more than 3 seconds is slow SQL), in the production environment after the last day to see which SQL is slow. 2.Explain and slow SQL analysis. For example, the SQL statement is bad, the

Source: http://spring.jactiongroup.net/viewtopic.php? T = 825 View lightweight containers Lightweight containers are increasingly becoming one of the key words in the Java World. So what is a "lightweight" container?When you browse recent articles or blogs about J2EE, you have intentionally or unintentionally mentioned "lightweigh Inter ",The most common words are "IoC", "dependencies inject", and "AOP.

with it. I also hope that you can make good suggestions on how to use ibatis in appfuse for this guide. Below I will use text to show you how I did it in the actual development process.Let's start by creating a new object, a Dao and a test case in the appfuse project structure. Content list [1] Create a new object and add the XDoclet tag[2] Use ant to create a new database table based on the newly created object[3] Create a New daotest for JUnit testing