Python Unique Set

WebElements is a set of building blocks for Python objects for http://www.aliyun.com/zixun/aggregation/7155.html "> developers to build and interact with WEB applications on the server side." Support for object-oriented Web site development, the ability to detach each DOM element into its own object for code reuse, to form new elements in the standard DOM that are not defined, and to inherit and coordinate child elements. Write code: ...

Absrtact: The same is accompanied by the author's youth growth of two products, why now have moss? Readers can take care of. Remember the first contact with Watercress is 2006 years. At that time I was a young technical students, have network dependence of my most free time bubble in the machine is also accompanied by the author of Youth growth of two products, why now have moss? Readers will be able to look after. Remember the first contact with Watercress is 2006 years. At that time I was a young graduate of engineering students, I have network dependence of most of my free time in the room. Busy campus life, the total ...

PageRank algorithm PageRank algorithm is Google once Shong "leaning against the Sky Sword", The algorithm by Larry Page and http://www.aliyun.com/zixun/aggregation/16959.html "> Sergey Brin invented at Stanford University, the paper download: The PageRank citation ranking:bringing order to the ...

In mailbox rapid expansion process, one of the performance problems is the MongoDB database level write lock, the time spent in the lock waiting process, directly reflects the user's use of the service process delay. To address this long-standing problem, we decided to migrate a common set of MongoDB (storing mail-related data) to a separate cluster. According to our inference, this will reduce the lock latency by 50%, and we can add more fragments, and we expect to be able to optimize and manage different types of data independently. We start from Mon ...

Introduction: It is well known that R is unparalleled in solving statistical problems. But R is slow at data speeds up to 2G, creating a solution that runs distributed algorithms in conjunction with Hadoop, but is there a team that uses solutions like python + Hadoop? R Such origins in the statistical computer package and Hadoop combination will not be a problem? The answer from the king of Frank: Because they do not understand the characteristics of R and Hadoop application scenarios, just ...

Razer released a full set of "Battlefield 3" theme game hardware and peripheral Products August 17, 2011, Cologne, Germany, Gamescom game show-razer® (LEI) The world's leading high-end high-precision game brand, The global digital interactive entertainment leader, EA, has announced that it will detonate your war gaming experience with exclusive Battlefield 3 peripherals and peripherals. Players can fully enjoy the integration of the game, and use the technical advantages of the product in EA will be released this year, the most watched first-person shooter game ...

Open source machine learning tools also allow you to migrate learning, which means you can solve machine learning problems by applying other aspects of knowledge.

Here is a translation of the Redis Official document "A fifteen minute introduction to Redis data Types", as the title says, The purpose of this article is to allow a beginner to have an understanding of the Redis data structure through 15 minutes of simple learning. Redis is a kind of "key/value" type data distributed NoSQL database system, characterized by high-performance, persistent storage, to adapt to high concurrent application scenarios. It started late, developed rapidly, has been many ...

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

Instagram 5 Legendary engineers behind the technical Revelation (PPT) published in 2013-03-28 22:13| Times Read | SOURCE csdn| 0 Reviews | Author Guo Shemei Postgresqlredismemcachedinstagram Open Source AWS Summary: Instagram, a photo-sharing app developer based on iOS and Android, with a unique operating philosophy, with only 5 engineers, Team A total of 13 people in the case of success to their own 7 ....