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from:https://www.felix021.com/blog/read.php?2102Yesterday @zind classmate found me before a blog (has been modified), inside mentioned mysql_ping and mysql_opt_reconnect some things.The reason I wrote that blog is because some of the code written

Transferred from: http://www.cnblogs.com/LMySQL/p/5060604.htmlPreface: Suppose that if there is a server dozens of links suddenly reached thousands of links, show processlist,general_log, and slow query log these are not used, how do you take these

Recently made an upgrade of the system at hand to upgrade from the original Windows Server 2003 32bit to Windows Server 64bit, because the program in the system through the ODBC connection database, according to the previous Setup method set up, but

In the previous article, we introduced the basic concept of multithreading and the implementation of multithreaded programming two ways, this article, we introduce the last multithreaded programming tools, but also the most important one: GCD.1. GCD

Original address: Http://www.journaldev.com/7989/key-components-and-internals-of-spring-boot-frameworkIn my previous post ' Introduction to spring Boot ', we have the discussed about Spring boot basics. Now we'll discuss about ' what is the main

Microsoft Root Certificate program deprecated SHA-1 hashing algorithmMicrosoft Official January 12, 2016 issued a security advisory, since January 1, 2016, Microsoft has released code discard changes, that is, after January 1, 2016 with the SHA1

I_dovelemonDate: 2016/06/18Source: CSDNTopics: Batch, drawl call, performanceIntroductionRecently, there is a question of why in 3D graphics programming, the number of draw call is always used to estimate performance, what does draw call do? What

With Symantec code Signing, your code will be available to more customers on more platforms, and we've summed up 5 reasons to tell software developers to purchase a Symantec code signing certificate to sign the upcoming software when they publish

From http://codefine.co/1455.htmlStart by defining several basic concepts:1, the key pair, in the asymmetric encryption technology, there are two keys, divided into the private key and the public key, the private key is the owner of the key holder,

In the application development process, a very important part of the work is how to source version control. When there is a problem with the code, we need to restore the code to the original normal version. If more than one person develops a project

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Http://blog.sina.com.cn/s/blog_6d2890600101cwih.htmlThree data are missing a word, namely: "Programming", "Architecture" and "development" (or "Software Engineering"). At the same time, it is not "facing" components but "based on" components.

When the Internet of things was a long time ago, when computers weren't personal enough, cellphones, refrigerators, and cars were not smart enough, did you remember the ads on TV that used to repeat a brand oil filter?The price of high-grade oil

The inode numbers in the partitions are blocks of numbers No. 0 and 1th.I believe that everyone in the use of Linux has encountered the accidental deletion of file system data, whether it is their own mistakenly deleted or to help others to restore

Try Heroku, it's a bunker, here's how to implement deployment access for your application in a few simple steps:1, first https://dashboard.heroku.com/for account registration2. Push one of the latest Nodejs express applications on GitHub3, Login

First we look at why we should consider using MicroServices.Development of single-use applicationsAssuming you are preparing to develop a taxi scheduling software that competes with Uber and Hailo, you may start this new project manually or using

1. What is this? Remembera surprise (Shi) Heart (fen) (NAO) Soul (CAN) of the online bug fix! 2. What happened?Say to work hours, lonely just read the plate (MOM eggs fell off) is enjoying the yogurt. All of a sudden the crowd snapped a few noises.

If your computer is a Lenovo notebook, then you install the system, there will be some convenience, can help you to more convenient installation system.One: Lenovo comes with a key to restore a key to restore the Novo key, usually next to the power

Fundamentals of 1 system 12,864 point formation liquid crystal display12,864-point array graphic liquid crystal display application, one through C51 programming realizes to the LCD12864 LCD screen control, the liquid crystal display (LCD) has the

1. PhenomenaWhen learning Hessian, a system calls B through Hessian, but receives a 500 error:Java.io.IOException:Server returned HTTP response code:500 for URLDebug B, see the exception described in the title.2. AnalysisAfter searching, see this