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. NET component programming asynchronous invocation

When it comes to asynchronous invocation, the first thought in mind is BeginInvoke (), and in some common objects we often see Invoke () and BeginInvoke (), and it is reasonable to make your component callable by the client or asynchronously. This

Tornado and subprocess How to implement non-blocking asynchronous processing of programs

Tornado is a "suite" of Open-source servers for Facebook, designed to do the Python Web or use its own extensible functionality to complete an incomplete WSGI protocol that can be used for fast web development, encapsulating epoll performance better.

Detailed. NET 4.0 Code contract components

The Code contract component is right. NET, this time we will provide more detailed content. If you want to use a code contract before the. NET 4.0 release, we can reference the assembly Microsoft.Contracts.dll in the Visual Studio project, which is

Usage of enumeration types

C # Language Specification 14.3 The body of an enumeration member enumeration type declaration is used to define 0 or more enumeration members that are named constants of that enumeration type. Any two enumeration members cannot have the same name.

Android Test Tutorial: TestCase sample

The Android test framework is based on JUnit, so some classes that are not related to the platform can be tested directly using the testcase in JUnit. Morsecodeconvertertest is used to test morsecodeconverter classes, Morsecodeconverter

How to avoid NULL pointer exceptions in Java

Null-pointer exceptions (null pointer Exception) are the most commonly encountered and most annoying exceptions. This article describes how to avoid null pointer exceptions. First we look at the following example Private Boolean isfinished

Using Watin for TDD

These two days have heard a very good based. NET platform of the Web Automation test framework watin, download a trial, really good use. Its basic functions and selenium a bit like, but not as strong as selenium, no script recording, only support IE6

PHP V5.3 using deferred static binding to enliven object-oriented programming

PHP V5.3 solves some of the problems of object-oriented programming (OOP) through its deferred static binding (LSB) feature. Learn how LSB fixes the OOP programming problem in PHP and how to implement some well-known object-oriented design patterns

Approximate string matching algorithm

The approximate matching of strings is to allow a certain amount of error in the match, such as in the string "before the master long time no see" to find "before is a master" can also be successful. Specifically, there are three types of errors:

Python implementation converts numbers to Chinese

This article mainly introduces the Python implementation to convert the number into Chinese, generally used for the amount of digital to Chinese capital, the Arabic numerals will be converted to uppercase Chinese, the need for friends can refer to

Test printing, validity checking and error handling in ASP programming

Programming | errors | error handling | Printing often see some beginner ASP's friends to test a value everywhere with Response.Write to print, and to see the page effect and then delete these statements or add comments, before the official version

Call HHA_COMPILEHHP compile CHM project

There are two methods of compiling a CHM project (. hhp): Call Hhc.exe Call HHA_COMPILEHHP Call Hhc.exe compile with the following code: // strChmFileName为你的hhp文件的长文件名 CString strCmdLine; strCmdLine = "hhc.exe "; strCmdLine += strChmFileName;

Linux Find naming Quick search for poisoned files

Now the virus species on the computer more and more, the likelihood of encountering the virus is also more and more big, sometimes poisoning things are also impossible, this is not, today's small Linux system computer is infected with the virus,

Deep Exploration of generic programming (II.) template recursion and variable parameter templates

To construct an n-weft grid As an example, this paper describes the template recursion. The first is a simple realization of a mesh that implements the instantiation of the specified length grid and can be transformed freely in different sizes of

Using contest for Multithreaded unit testing

It's not a secret that parallel programs are easy to generate bugs. Writing this program is a challenge, and bugs that are silently generated during programming are not easily discovered. Many concurrent bugs can only be discovered or discovered by

Four debugging tips in C + + programming

C++| Programming | skills 1. Debug Mark Applicable preprocessing #define defines one or more debug tags, which are managed using #ifdef and #endif in the code. When the program is finished debugging, you just need to use the #undef tag and the

FN.PY: Enjoy functional programming in Python

Although Python is in fact not a purely functional programming language, it is itself a multilingual language and gives you enough freedom to use functional programming. Functional style has a variety of theoretical and practical benefits (you can

Summary of several methods for debugging Python program code

This article mainly introduces the debugging Python program code Several methods summary, the article code is based on the python2.x version, the need friend may refer to under The probability that the program can be written and run at once is very

Ajax Basics Tutorial (6)-6.2 analysis Jsunit

6.2 Analysis Jsunit At the beginning of 2001, Edward Hieatt started "porting" JUnit to test JavaScript in a browser. Since then, Jsunit has been downloading nearly 10 000 times and about 300 people have joined Jsunit's newsgroups. Jsunit supports

Writing regular Expressions in groovy

Writing regular Expressions (regexes) in groovy is a pleasure compared to Java. In Java, regexes programming requires not only the processing of pattern and Matcher objects, but also the writing of tedious boilerplate code (boilerplate coding).

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