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By studying the first six parts of this series, you've got a good idea of the power of Dojo. But sometimes some of the dojo's features do not fully meet the actual requirements, and you need to extend the dojo, for example, to extend the Widget so

There are currently three implementations of the server side of the ExtJS call: One is the way of the Web page, his content-type: is application/x-www-form-urlencoded, this kind of application scope is more extensive, as long as can output the

According to the different signal modes, communication can be divided into analog communication and digital communications. What is analog communication? For example, in telephone communication, the electrical signals that are transmitted on the

When using GDB for debugging under CentOS6.4, When you use the BT (breaktrace) command, the following prompts are displayed: First day Tip: Missing separate Debuginfos, Use:debuginfo-install glibc-2.12-1.107.el6.i686 The problem is not resolved,

Switch Basics: Link Aggregation definition Link aggregation technology is also known as backbone Technology (trunking) or bundled technology (bonding), its essence is to two devices between several physical link "combination" into a logical data

Many people use the simple SSH connection tool, and sometimes it is convenient to copy files to the local view under SSH, which uses the SCP command. SCP is a security file copy, based on SSH login, easier to operate. For example, to copy the

As data volumes grow at an alarming rate, the database management system continues to focus on performance issues. This paper mainly introduces a performance tuning technique named function index (functional index). Creating and using functional

Database version: Oracle 11.2.0.4.0 The reason for the CBC latch:--only when the logical reading occurs 1.CBC latch protection of different linked lists, different BH: the same latch under multiple bucket are simultaneously accessed, (one latch

1. Password security The/etc/passwd file in the UNIX system contains all the information that the system needs to know about each user (the encrypted password may also be stored in the/etc/shadow file). /ETC/PASSWD contains the user's login name,

In Exchange Server 2013, you cannot use the EAC to manage offline address books, and you must use command line PowerShell for maintenance. The following is an instance of my actual project that adds an address list to the offline Address Book to

When you switch your notebook to an XP system, click My Computer or some other time, sometimes you'll be prompted for the following error: --------------------------- IExplore.exe-Application Error --------------------------- "0x00000001" Memory

Virus name (in Chinese): Virus alias: Threat Level: ★☆☆☆☆ Virus type: Hacker program Virus Length: 27040 Impact System: WIN9X\WINME\WINNT\WIN2000\WINXP\WIN2003 Virus behavior: This is a backdoor virus. Virus running, will monitor clipboard,

Using a variety of skills to download after reading the show book, the drawback is that there is no online reading when the complete label, the current I used the main there are the following methods, original Oh! I hope I can help people who are

There are 3 ways to get DataSource objects in the Spring framework: 1. Obtain DataSource from Jndi. 2. Obtain DataSource from a third party connection pool. 3. Use Drivermanagerdatasource to obtain datasource. First, get DataSource from Jndi

Example: Replace desktop wallpapervar 　BmpPath: PChar; begin 　BmpPath := 'C:\Temp\Test.bmp'; 　SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, BmpPath, SPIF_UPDATEINIFILE); end; There are too many parameters for SystemParametersInfo ... Spi_getbeep =

4. Deconstruction method Destroy The method generates a lock on the resource and then releases the resource, and finally calls the inherited destroy method to release the Resourcestream. It is implemented as follows: destructor

I. Overview of the SYSTEM IP Messenger is a LAN internal chat, File Transfer tool, has many advantages, such as data communication does not need to establish a server, direct communication between two computers and data transmission, supporting

As described earlier, after upgrading from vCenter5.1 to 5.5,vcenter, we also need to upgrade VMware tools for ESXi hosts and VMS, which can be upgraded either interactively or using Updata management two different ways, Here are the steps to

Environment system: UbuntuTools: Xshell + VirtualBox1. Test whether the port of the remote host is turned on (Windows command line execution)Telnet 192.168.1.103 80Remote access host 80 port, test host's 80 port is turned on2. Check the local port

Use jQuery to quickly and efficiently create webpage effects ------------------------- jQuery events and animations, and jquery animation Effects 1. Basic events Divided into three events 1.1 window event A window event is an event that is