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.================http://hi.baidu.com/rwen2012/item/545a39ba741307d085dd7957Connect (ZT) in UDP programmingStandard UDP client opened a set of interfaces, the general use of sendto and RECVFROM functions to send data, recently saw NtpClient code inside is the use of the Send function direct method, analysis, the original UDP sent data there are two ways for everyone to choose, By the way, the UDP connect usage is
context=system_u:object_r:mail_spool_t" option to mount him, which marks the context of all the files inside it as System_u : object_r:mail_spool_t. If you have a large email pool and an XFS file system, this approach avoids the problem of the inode size discussed in the previous paragraph. Even for xattrs-less overhead file systems such as EXT3, mounting the file system with the context= option can further reduce overhead, and avoid re-setting the S
In the previous article, I probably described the compilation and use of static link libraries under Linux, and the methods of compiling and using dynamic link libraries.1. What is a dynamic link libraryThe so-called dynamic link library, refers to the compilation of the program will not be referenced to the library inserted into the execution of the program, but at the time of execution to load the relevan
because of the needs of the project, we need a cross compiler that can run on the x86 platform, generate MIPS applications, and have been doing this for the last few days, read a lot of articles and try A lot of methods, finally succeeded, but also good, some new and everyone to exchange a bit. What is a cross compiler? Why is it called a cross-comp
Tags: arch dba localhost schema statement unit Max MIT nodmysql5.7 adds the SYS system database, which provides a quick overview of the system's meta-data. This library does make it easy for DBAs to discover a lot of information about a database, and it can help to solve performance bottlenecks. This library is the default in mysql5.7, which can be imported manually above the mysql5.6 version, and what does
Today I saw a group of friends asked two questions comparison basis:1 How to confirm my DB2 is the root What about the installation? In fact, from DB2 UDB V9.1 have db2ls This command, the problem is much simpler, we just need to simply run down the db2ls, and then see the output of the Installer UID is 0(Root uid), as
, whether it is open source or your own .. 2. You must add logs, especially when calling interfaces with other companies or groups, to locate the error. 3. The code structure is implemented from the perspective of extended modification. 4. code naming rules and annotations. Quality You are never fighting alone, so what are you doing
opening and transfer. You may say that common programmers seldom come into contact with the banking system. This example is not simple enough. let me give you a more common example. all programmers should have been in touch with the article management system, the operations in it, such as top placement and refined addition, are domain logic. In this case, it seems that the action corresponding to the use case is
Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the architecture.When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following proce
is an HTTP request message.So what is the format of the HTTP request message and the response message?Starting line: such as get/http/1.0 (the protocol used by the URL request for the requested method request)Header information: User-agent host and other paired-up valuesSubjectBoth the request message and the response message will follow the above format.So
still possible. For example, this is a cookie stored in the client $data = $id. "\ T". MD5 ($password. $slat); $slat can be a hard-coded or randomly existing user-column value $identity = Base64_encode (Encrypt ($data, $key)),//encrypt is a self-implementing cryptographic function or method, $key The value of the user column can be either hardcoded or randomly present Setcookie ("TestUser", $identity
HTML 5 is the most significant leap in web development standards in nearly a decade. Unlike previous versions, HTML 5 is not just for Web content, its new mission is to bring the Web into a sophisticated application platform, where video, audio, graphics, animations, and interactions with computers are standardized on the HTML 5 platform.
, being careful of RTCP, and take care of any possible issue so may arise when bridging WEBRT C to a different technology. Besides, as you know WebRTC are a moving target, and so any works today in the gateways world may not work Tomorrow:which means that keeping updated is of paramount importance. Anyway, this doesn ' t need to scare. Several good implementations is already available the address different
Not thoughtful, but usually work with a variety of IM software, the smell, feeling, intuition told me, later, no matter which area of the main group, which segment of the market, it is difficult to compete with QQ, the difficulty is not in the function (domestic play creativity, imitation ability is first-class), but how to let users try to use your new software
You may be familiar with Unix, but you may be unfamiliar with awk, which is not surprising. Indeed, compared with its excellent functions, awk is far from its proper popularity. What is awk? Unlike most other UNIX commands, we cannot know the functions of awk in terms of names: it
When we began to gradually put the web development above the net platform from WebForm to MVC development. We're always trying to figure out what MVC is. In fact, MVC is not a net-specific development technology. But a model of software development. Back in the last world of the 80 's. Xerox Parc is a software design p
Jiangtao: Opinion 1: The document is important, but to what extent it will be discussed together. At present, most documents are meaningless for the purpose of documentation. I prefer to write a rough picture of the document. I keep asking for details during development. If you have to wait until all the details are written, the workload is too large. In fact, i
Writing PHP is getting harder and harder, and I think of a new line. What to do in the next business today, the company said that it is in urgent need of a similar consignment wholesale platform, a lot of functions. To sum up: 1) dealer registration, authentication, ordering, and payment. (Different levels of dealers' prices and rebates make different goods avail
Are you a full-time email marketer in your business? What is the position of the mail marketer in the enterprise organization? What model does your business adopt to manage email marketing and cross-channel marketing teams? In large enterprises with multi-brand lines of busi
", "password", "email address" fill in your account number, password, Email address, and then in the Picture piece validation field input red box in the text, if you do not understand, you can click the button, let it back to produce new patterns. When you are finished, check "i want the inside scoop..." and then press (i accept. Create my Account) button 3, after the registration, it will ask you wheth
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