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15.6.4. Protect the page Page security requires the application to usepages.xmlFile, and it is very easy to configure. It's just that you need to protectpageElement containsElement. IfrestrictThe element does not explicitly specify a limit. When a non-faces (GET) request is sent to access the page, the implicit permission is checked./viewId.xhtml:renderAnd any JSF postback (Form submission) originating from the page requires permissions./viewId.xhtml:restore. Otherwise, the specified restriction

Jquery is undoubtedly one of the popular JS development libraries and plays a major role in web development, especially server component development. In addition, during interviews with some companies, I asked about JS Just ask, have you used jquery? No, it seems that you are inferior. To put it bluntly, you can still learn excellent things, whether it is for the company or not during project creation. We do not need to use this as a whole. It is worth studying. $ (HTML)Function: Create

The following describes how to create a user control with an event: Standard web spaces have events for interaction, and user controls also exist. To create a user control with an event, you only need three steps: 1. Define a public event Delegate, such as clickeventhandler 2. Define the method for triggering the event in the user control class, such as The onclick method. 3. Check whether the event is empty in the method that triggers the event. If not, write the event.Code. N

This guide will eventually teach you how to be the most popular person among your colleagues, and you will be the hero of their chats during breaks and work hours, it can even be said that this guidance can help reduce your work, you can get generous help from your colleagues, they want to help you do your work. Because of your reputation! 1. variable naming can show your creative potential. Don't bother yourself with the identifiers and guidelines. All of these will limit your inspiration. If y

Original address: Http://www.codeproject.com/KB/aspnet/AspDotNetCache.aspx Caching is a technology that stores very time-consuming data in memory and is an important feature of ASP.net. For example, you can cache data that is time-consuming and complex, and subsequent requests need not be fetched from the database and taken directly from the cache. By caching, you can greatly improve the performance of the program. There are two main types of caching: 1. Output Caching 2. Data caching 1. Outp

On the Practice of this attempt after the last article (http://www.cnblogs.com/Ivan-Yan/archive/2008/10/29/1322119.html), got a few friends (wood wild fox (Neil Chen), T2, etc.) guidance, thank you again for your enthusiastic help. ThoughtsAfter restructuring the warehouse receiving of different products in a simple factory model last time, as friends said, this design is indeed not flexible: if there is a new product (such as raw materials) warehouse receiving operation, there are too many ch

queue The queue is characterized by first-in-first-out, append () is used to route an object to the end of the team, and pop (0) is used to pull the first object 3. Functional programming tools For linked lists, three functions are very useful: (1) filter (function, list) This function is a filter function that returns all element linked lists in the list that return true after the function operation. For example: Code highlighting produced by Actipro CodeHighlighter (

Objects in javascript can be created in the following ways: (1) Using built-in objects (2) using JSON symbols (3) user-defined objects (1) Using built-in objects JavaScript built-in objects can be divided into two types: 1, javascript native objects (Language-level objects), such as string, object, and function. 2. Host objects during Javascript Runtime (Environment host-level objects), such as Windows, document, and body. The built-in object is used to construct a new object through the constru

To implement an ActiveX control using C #, three problems must be solved: 1. Enable the. NET component to be called by com 2. After registering on the client, ActiveX control can pass IE Security Authentication. 3. When the client is not registered, the installation package can pass ie signature authentication. BenProgramThe development environment is. NET Framework 3.5 and the tool is Visual Studio. NET 2008. It passes the test on the client that installs. NET Framework 3.5. The follo

I didn't plan to write this article, but everyone knows the importance of the file. In device I/O, a device is called a file device. This is an abstract concept. You just need to understand it as a file. File device, which can be opened through the createfile function to obtain a file object handle. There are two important attributes in the file: 1. file size: the maximum size of a 32-bit file is 4 GB, and the size of a 64-bit file can reach 16 EB. 2. file read/write pointer: This pointer indic

There are many types of linked lists in the Linux kernel. If each type of linked list is represented by a separate data structure, you need to implement a set of primitive operations for each linked list, including initialization, insertion, and deletion. Therefore, the Linux kernel defines an interesting data structure: list_head Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Struct List_head {

WPF comes with a WebBrowser control. When we use it to open a webpage, such as Baidu, and then click a link in it, a new window will pop up, then it will pop up an IE window instead of jumping to the link internally. If you use the WebBrowser control of Winform, we can listen to its NewWindow event and perform some processing in this event. For example, when you create a new Tab to open it, you can also control the redirection in the current WebBrowser. Unfortunately, the WPF WebBrowser does not

method: Db. runCommand ({removeshard: "localhost: 10000 "}); > Db. runCommand ({listshards: 1}); view the shard node list Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->{ "Shards ":[ { "_ Id": "shard0000 ", "Host": "10.0.4.85: 27020" }, { "_ Id": "shard0001

The use of export and import in MEF is essentially the process of instantiating an object. Through the features of MEF, the direct dependency of the object is reduced, this allows the system design to achieve a highly flexible and scalable effect. In specific design and development, some objects do not need to be instantiated during system running or affiliated object initialization, it is instantiated only when it is needed. In terms of the system, this is also a feasible way to improve the sys

SQL Server Performance Analysis-deadlock detection database blocking statementsWork in the database often appear in memory, found an articleRefer to Csdn, China Wind (Roy) A deadlock article block: One of the transactions is blocked, other transactions wait for the other party to release their locks, and can cause deadlock problems.People: China Wind (Roy) refer to Roy_88 's blogHttp://blog.csdn.net/roy_88/archive/2008/07/21/2682044.aspxDate: 2008.07.20 ******************************************

1. Type analysis:JS data types have undefined,boolean,number,string,object, such as 5, the first 4 are the original type, the 5th is the reference type.CodeCode highlighting produced by Actipro Codehighlighter (freeware) http://Www.CodeHighlighter.com/-->var A1;varA2 =true;vara3 = 1;vara4 = "Hello";varA5 =NewObject ();varA6 =NULL;vara7 = NaN;vara8 = undefined;Alerttypeofa);//Show "undefined"AlerttypeofA1);//Show "undefined"AlerttypeofA2);//Show "Boole

1. Add a text box and a reference to the style and JS script on the static page: Copy Code code as follows: Code highlighting produced by Actipro Codehighlighter (freeware) http://www.jb51.net/--> User name: 2.CSS style sheet, red border when text box text is empty: Copy Code code as follows: . txtname { BORDER:1PX Red Solid; } 3.js script: When the text box text is empty, the border is red, if

timer. Let us first look at the running effect bar, displayed in the center of the screen and the top display: Because it is relatively simple, three files will be written, respectively, for the interface design Mainwin.xaml and application class App.xaml and Countdown processing class ProcessCount.cs class files. The code is as follows: countdown Processing Class ProcessCount.cs: Copy Code code as follows: Code highlighting produced by Actipro Codehighlighter (

receiving server): The core process class of the system, establishing socket connection, processing and storing packets, cleaning up system resources, this class provides all public properties and methods TSession(client session): A socket object that consists of each client, has its own data buffer, and the cleanup thread determines whether to timeout Tdatagram(Packet Class) based on the most recent session time of the object: Determining packet categories, parsing packets 3. Key functions a

The User Information table is available in most systems. We also know that there will usually be a field similar to the registered IP and the last login IP to store the IP address of the user at the time of registration and the IP address of the last login. Get such an address, in the Background display xxx.xxx.xxx.xxx address section, let people see very unnatural, simply do not know the specific geographical location. Now we can simply implement this function. Used to read the common compone