popular cases

(semi-synchronous) replication protocol. Once the local disk write is completed and the replication packet reaches the peer node, it is considered to be written on the master node as completed. Data loss can occur in cases where the participating two nodes fail simultaneously because the data in transit may not be committed to the disk.Protocol C:Synchronous replication Protocol. Write is considered complete only if the disk on the local and remote n

The 15 most popular open source frameworks for Python, compiled from GitHub. These frameworks include event I/o,olap,web development, high-performance network communications, testing, crawlers, and more.Django:python Web Application Development FrameworkDjango is supposed to be the most famous Python framework, and Gae and even erlang have frameworks that are affected by it. Django is the direction of chatty, its most famous is its fully automated man

[color= "#02368d"]Linux Popular download tools recommendedTurn from:Http://doc.zoomquiet.org/data/20060730210451/index.html graphical interface Download toolLinux provides a lot of download tools like FlashGet, network ants, etc. in Windows. KgetKget is KDE's default breakpoint continuation tool, usually without installation. Its simple interface, easy to operate, and efficient drag-and-drop download function is most commendable. Unfortunately, it doe

Google introduced the material design style has seen a number of app UI adoption, visual and interactive experience is great, for those who want to try this style but do not know how to achieve some of the results of the front-end designers, can try to share today's 9 popular material designs Front-End framework > >> These front-end framework design elements complete, buttons, forms, layouts and commonly used JS special effects code also have all, su

The detailed differences between Java NiO and Io (popular article)--ReprintAs far as speed is concernedCPU > 内存 > 硬盘 I-From hard disk to memory O-From memory to hard drive The first way : I read the data from the hard disk, then the program has been waiting, the data after reading, continue to operate. This approach is the simplest, called blocking IO.The second way: I read the data from the hard disk, and then the program continues

If you were to list the 15 most popular websites in the United States, how much can you think of? You might think Google is hot and Facebook is hot. Maybe you still remember Yahoo. Of course, Amazon must be very hot to sell everything. Oh, yes, and ebay!, but we bet you can't tell all the other 10, and in order ... Thanks to comscore! They provide data for the 15 most popular websites in the United States i

Use PS to make popular Korean version of four head, version CS5. Here for you to introduce, a look at it! Method/Step First create a new file, according to the size of the picture, the same width, before this before you have to prepare a piece of four pieces of picture, as much as possible tonal, not square does not matter. Place the first picture after the new one, as shown in Figure a

@ can wind f (Jinshan Network interaction Designer): Since the iOS7 released after the UI circle has been wildly popular animation effect, especially after Facebook home, people feel that if there is no cool transitions, twist to twist the elements, the product is like the old age of the old. But there is still a controversy behind the trend of the whole circle of learning: is interactive design or visual design a dynamic effect? In the eyes of many

The IPad Pro release, designers can also work overtime on the subway, although not as strong as the Wacom board, but to meet the needs of the daily drawing is enough. Here are 2 of the most popular ipad graphics software and 2 pens for students in need. 　　Master of Painting (Procreate–sketch, Paint, Create) This popular painting application may have been heard before, and all experienced friends should be

Now the most popular post processing is PS preset action, a key to complete convenient and quick. Many special screen effects, as long as the corresponding preset action files found on the network, anyone can easily pull out beautiful tones. But what most people don't realize is that the principle isn't that hard, and I'll start with the most common curve tools to explain how to create popular tones ~!

management did not enter the rankings in 2013 years, the position was popular in 2014. This is because of growing interest in big data. Organizations get a lot of information from websites, social media, and third-party arrangements. Now, organizations need to be able to use this data to make better decisions about products, services, and customers. The most demanding database managers this year have the experience of migrating IT systems and service

We have a number of ways to find a substring in a female string. KMP is one of the most common improved algorithms that, when mismatched in a matching process, effectively skips several characters in the back face and speeds up the match.Of course we can see that this algorithm is for a substring with symmetric properties, and if there is a symmetric attribute, then we need to look forward to see if there is something that can be matched again.In the KMP algorithm has a number of groups, called

Original link: http://www.cnblogs.com/iyangyuan/archive/2013/03/27/2983813.htmlhave been exposed to CSS long ago, but for the floating is always very confusing, may be the poor understanding of their ability, or may not have encountered a popular tutorial.A few days ago the vegetable finally understand the basic principle of floating, can't wait to share to everyone.Written in the previous words:Because the CSS content is more, the side dish does not

Performance Comparison of several popular webservice frames 1 Summary The development of webservice applications can not be separated from the framework of support, when the Open-open site listed more than 30 kinds of, this to the developers how to choose to bring certain doubts. The key elements of performance WebService, there are great differences in the performance of different frameworks, but currently in the official web site, network data can e

Specific steps 1 We first install and open the popular movie software on the mobile phone, then click the "Settings" icon in the following figure. 2 in the settings we find "recommended to friends", the next pop-up dialog box to click on the micro-letter, select Friends. This popular movie will be shared to the micro-trust friends. Small Tips Mobile phone pop movies can be used on Android, Apple,

10 anniversary of the launch of a giant screen mobile phone, in simple terms, is OPPO R7 upgrade version, the use of the popular violin metal fuselage design, the appearance of simple fashion, in addition to the machine also equipped with fingerprint recognition function, comprehensive performance is good. On the hardware side, OPPO R7 Plus uses a 6 1080P Full HD Super AMOLED screen with a Qualcomm 6,158-core processor, 3GB runn

Android 4.4 version of the Emui 3.0 system. 　　 Editorial Reviews: Huawei has a glorious time playing 4X as a low-priced smartphone, in the front of the fuselage with a 5.5-inch display screen, showing the effect is very eye-catching, the body used in the natural cotton linen hand-woven fabric also for the user to bring different operating experience, in addition to the system used Emui 3.0 operating interface, The interface is also based on intuitive, natural user interaction experience, a

Method One: This kind of method is natural long this is lets the friend enter the color, this can send the QQ space set up in the group 1, we in the mobile "QQ space Settings" and then we click "Permission Settings" as shown in the following image 2, then we click "Everyone" and then click "Save" settings, as shown in the following figure Method Two: Use brush popularity artifact ===== "QQ Space popular Elf Software", enter your QQ

word online. There are also Baidu in China. Wait a minute. This will be an important change in the business model of the software industry in the next period. This is SaaS: Software is a service.Software development has always been a product and custom development of two categories. Just said in the cloud release software, directly to provide users with services equivalent to products. Custom development. We can put our workflow, ERP and so on in the cloud, directly to the entire development pl

The development of webservice applications can not be separated from the support of the framework, when the Open-open site listed there are many kinds of, this for developers how to choose to bring certain doubts. The key elements of performance WebService, there are great differences in the performance of different frameworks, but currently in the official web site, network data can easily find the introduction of their respective frameworks, but there are few test data for different framework