Servlet base _0100_helloworld

A. servlet introduction servlet is a server-side applet, but not necessarily a Web server applet, he can also be the SMTP side of the small program, but also mail server applet, it is only sun for Java EE set a standard, sun for SE provides a powerful class library , but Sun did not provide a class library for Java EE, which could not be provided, he just provided such a set of standards. Three-stream companies sell products, second-rate companies to sell services, first-class companies to sell standards, Sun may be a first-class company, just ...

JDK environment variable Configuration

Java development, the first to install the JDK, install the JDK after the environment variable configuration: 1, download jdk (http://java.sun.com/javase/downloads/ index.jsp), I downloaded the version is: Jdk-6u14-windows-i586.exe 2, installation Jdk-6u14-windows-i586.exe 3, configuration environment variables: Right click on "My Computer"--> "Advanced"--& ...

Discard WebService, call WCF with JQuery in. NET4

In our previous development, for AJAX programs, the webservice was marked as [System.Web.Script.Services.ScriptService] via jquery, and then the backend WCF was invoked in webservice. This became the only reason for the existence of WebService: as a staging point for Ajax calls.   If you want to discard WebService, just use WCF as a staging point. In the. NET 3.5 era, jQuery ...

Mapping an existing entity class (POCO) in entity Framework 4

The full name of the Entity framework is the Ado.net Entity framework, the Ado.net based ORM (object/relational Mapping) architecture developed by Microsoft. The main features of the Entity framework: 1. Supports multiple databases (Microsoft SQL Server, Oracle, and DB2); 2. Strong mapping engine, well supported storage ...

WebService use. NET4 jquery invoke WCF

In our previous development, for AJAX programs, the webservice was marked as [System.Web.Script.Services.ScriptService] via jquery, and then the backend WCF was invoked in webservice. This became the only reason for the existence of WebService: as a staging point for Ajax calls.   If you want to discard WebService, just use WCF as a staging point. In the. NET 3.5 era, jQuery ...

Deploying WCF with IIS in. NET 4 is simple

In. NET 3.5, we need to do this: 1. Add a helloservice.svc file, add the ServiceHost tag, and add the name of the WCF service implementation to the service, such as: <%@ ServiceHost language= "C #" debug= "false" Service= "CNBlogs.Service.Impl.Hell ...

WCF Binding Protocol Comparisons

WCF Binding Comparison

lock keyword in C #

A few days ago and colleagues heated discussion, a little harvest, recorded. Let's start with the definition of MSDN: The Lock keyword can be used to ensure that the code block runs without being interrupted by other threads.   This is accomplished by acquiring a mutex for a given object while the code block is running. Let's take a look at the execution, and the code example is as follows: Assuming thread a executes first, thread B is slightly slower. Thread A executes to the lock statement to determine if obj has applied for a mutex and is based on the object of an existing lock. R ...

Run ASP.net 4 on the Linux operating system (top)

Currently the most popular Linux operating system distribution is Ubuntu. But this time we are running asp.net in the Linux operating system, so we chose OpenSUSE.   I am ready to install the OpenSUSE 11.3 operating system in Oracle VM VirtualBox.   First, download Opensuse-11.3-dvd-x86_64.iso files to the official website of OpenSUSE. Then run Oracl ...

Share two reflector plug-ins in use

Recommend two artifacts: Deblector and Reflexil deblector its name is the combination of debug and reflector two words. is used for debugging. Simply put, it can start the debugging process like the IDE, or attach to a running process and debug them, set breakpoints, step through, view variables, and so on. It does not require PDB files, nor does it rely on the IDE as the Debug plug-in for Reflector Pro, nor does it need to decompile DLLs. One...

WPF and obfuscation

Today, confusion remains. NET program, and what is the obfuscation support for WPF applications? Let's go through the examples today. Start by creating a simple user interface as shown in the following illustration: Set some binding properties in the interface code: first define a racial enumeration in the background code to make it available in the list: The following properties are defined in the form Window1 class: The code function in the red circle is to load the entire values of the racial enumeration into the race list attribute. This can be in the front backstage has been unified, elegant ...

. NET4.0 Dynamic VS Reflection efficiency

In my previous article, the continuous promotion. NET4.0 new features. Especially. NET4.0 Dynamic is a new feature.   The ensuing problems have also arisen-dynamic. We do not only need to develop the code concise, can hope that they can write a good structure. It is also very important that we write out the code efficiently. Put aside the implementation principle of dynamic in. net4.0. This article only considers the efficiency of dynamic rather than the use of reflection in the end is fast or slow? Don't. NET is ...

LightSwitch: Small Try Microsoft Development Framework LightSwitch

Prior to knowing that Microsoft was doing a data-driven development framework LightSwitch, it was never used. A while ago, a customer's technical director and I talked about LightSwitch, so this TechNet also went to listen to LightSwitch lectures.  Back after a trial, the following to give you a brief introduction to Ligthswitch.   Installation from the official website to download, I installed the machine itself VS2010, the installation process will go to download some files, about 80M bar. During the installation I am out ...

vs Debug Tip Aggregation

In the VSX group Feng, recorded a few debugging video, feel very useful. Debugging in fact everyone knows how to do it. But I don't necessarily know all the shortcuts I've been given to develop the IDE.   Here I do some of these rally, here is not very full, I hope everyone in the back to make up, let the landlord also Zhang Insight, haha. 1:dbgview and vs Output windows: For the second vs debug State where I write debug output in the code, we can see the VS Output window, print some of the variable data we care about, and so on. When I ...

Performance comparison of three for-loop writing

As one of the three logic control structures of program language, loop is often encountered in actual development. We often encounter this application in the use of the looping structure of JavaScript programs.   Loops on the length of an object and processes each element of the object. such as the for (Var i=0;i<a.length;i++) {Sum+=a[i]} is just a simple example, and many program developers have studied questions about the efficiency of their execution as a program. So there are the following two ...

Ten steps to teach you asp.net MVC2 project upgrade MVC 3 RC

Microsoft released the release candidate for ASP.net MVC3 (rc:release-candidate) at number 10th, which provides IntelliSense features such as the Razor view engine, as well as online licensing.   Are envious's classmates eager to upgrade their existing projects? Here I will be the official releasenotes in the upgrade method translation summed up, to facilitate those who do not like to see the English document Rory the general students. The existing ASP.net MVC2 project ...

How to upgrade the ASP.net MVC2 project to MVC 3 RC

Microsoft released the release candidate for ASP.net MVC3 (rc:release-candidate) at number 10th, which provides IntelliSense features such as the Razor view engine, as well as online licensing. Are envious's classmates eager to upgrade their existing projects?  Here I will be the official releasenotes in the upgrade method translation summed up, to facilitate those who do not like to see Rory in English documents of the general students. The existing ASP.net MVC2 project hand ...

C # int challenges Java integer

This article covers some JVM principles and Java bytecode Directives, recommend interested readers to read a classic book on the JVM, Deep Java Virtual Machine (2nd edition), and compare it with the IL assembly directives I described in ". NET 4.0 object-oriented Programming". Believe that readers will have some inspiration.   It is one of the most effective learning methods to compare the similarities and differences of two similar things carefully. In the future, I will also release other articles on personal blog, hoping to help readers of the book broaden their horizons, inspire thinking, we discuss technology together ...

A detailed explanation of two-dimensional transformations in Silverlight

Silverlight includes rotational (RotateTransform), Scaling (ScaleTransform), skew (SkewTransform), and panning (TranslateTransform) for common transformation transformations. There is also a matrixtransform class that can create RotateTransform, ScaleTransform 、...

Server-push Technology (Comet)----------asp.net asynchronous processing +client long connection to the server side

Server-push technology has been available for a long time, but until the birth of gtalk slowly guide the technology, but so far, very few people to apply this technology, Server-push is a what kind of things? Therefore, the name of Server-push, "server Push" means that Ajax have been used, it and Server-push is the opposite two things, Ajax is from the server side pull data, if you want to regularly update the data block displayed on the page, then the simplest way ...

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