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With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

Absrtact: The hacker Marathon is the programmer's American Idol, very popular. Participating in the hacking marathon, in addition to keen to delve into the technology of software engineers, as well as the team from the VC company. The competition organizers will provide a free diet.     The hacker marathon is a few hackers marathon is the programmer's "American Idol", very popular.     Participating in the hacking marathon, in addition to keen to delve into the technology of software engineers, as well as the team from the VC company. The Competition party will ...

As a Web designer is harder to eat than feces, not only to consider the design and architecture, but also pay attention to all kinds of small details, but also to carry the bricks photographed by all parties, in short, the designer's work often Surrounded by a variety of issues, you need a super convenient tool to help you solve a variety of time and energy problems. This article describes 50 very powerful tools, and you will find that some of them will make you feel fine. LaunchList site before the release of the work list, the default 28 need to check the matter, can also be customized. Similar tools: & ...

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

MongoDB is a product between relational database and non relational database, and is the most powerful and relational database in the relational database. The data structure he supports is very loose and is a JSON-like Bjson format, so you can store more complex data types. The biggest feature of MONGO is that the query language he supports is very powerful, and its syntax is somewhat similar to an object-oriented query language, which can almost achieve most of the functions of a single table query like relational database, and also supports indexing data. Just released MongoDB 1 ...

This article is written by Courtney Boyd Myers, who is the founder of Audience.io. This article focuses on her contacts with some web and mobile development companies, incubators, consultancies, and lab executives to discuss how much it will take to replicate the 10 products that are now very successful in the marketplace: 100,000 yuan and a suitable development partner can make you rich overnight? How much resources do I need to replicate a product like Twitter or Instagram?

Hongqi Company for the convenience of the vast number of users, the special integration of a tool plate for users to choose from. All the tools in the disk are available to work in the system. In the use of the process, if the software in the tool tray any problems, please use the network, books and other ways of self-study, processing. Tool disk tool list program name feature description and description base OpenOffice.org 2.2 Database Calc OpenOffice.org 2.2 spreadsheet draw OpenOffice.org 2.2 vector ...