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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 ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall search engine history notes #e# 2006 Low, received a friend commissioned to help tidy up the development of the search engine history, so the Spring Festival spent a little time to sort out a rough history. Consider yourself a little note about internet history. 1, the development history of the search engine 1 A brief history of search history The origin of the "Aceh" web search engine can be traced back to 1991 years. The first ...

Absrtact: The national standard of mobile payment brewing for a long while will be settled. China's financial mobile payment standards will be released in the near future, Lu Shuchun, deputy director of the PBoC's Science and Technology division, said in a conference on mobile wallet products at Unicom Merchants Bank. After that, the People's Bank of China will push for a long gestation of mobile payment national standards will be settled. Lu Shuchun, deputy director of the People's Bank of China's Science and Technology division, said at the "Unicom Mobile phone Wallet" product conference that the Chinese financial mobile payment standards will be released in the near future. After that, the People's Bank of China will promote the standard application of pilot and related infrastructure to improve the mobile payment to create a ring ...

"51CTO classic" I like MongoDB mainly because it is so simple and natural to use it in dynamic languages. So far, I've used it in two projects (Encode and SPARRW), although I'm very happy with the choice, but there are some problems I haven't noticed, and these problems have kept me scratching my scalp for hours. If you have more than one machine, and then allocate a few more machines for the database, then some problems can be solved, but my project is running on a single (virtual) server on the low flow w ...

Renowned research institutions both at home and abroad believe that 2011 will be the global cloud computing development of the year. Not only Amazon, Google, Microsoft, IBM, Apple and other major international companies have launched cloud computing enterprise applications, China's local software, new and old brands have also launched new strategy and new products, together to promote Chinese enterprises stroll cloud. As the most basic management application software OA (office automation software) in the "cloud" to catch up, the wind red, and smartphones and tablet computers, but also with cloud computing, wireless mobile technology and function of the cloud mobile OA ...

"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 ...

1: A simple introduction MongoDB is a distributed document database, supporting the master-slave structure of similar closed-type database, the document is stored in binary http://www.aliyun.com/zixun/aggregation/16702.html ">json form", No locks, no transactions, indexed. 2: Installation Steps Step one: Download the assembly http://www.mongodb.org/downloads Part II: Extract and extract the relevant bin directory to C ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby CMS article ZCNCMS Content Management system: Zcncms is based on PHP technology development of content management system, providing content editing, keyword management, advertising management, link management modules and models, 　　Program design is very concise and pay attention to the requirements of two development, can be very convenient in the original system based on the addition of new models and functions, such as graphics and text, products and other models. October update: Fixed on PHP version ...

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall stationmaster, once very glorious title, now become very bitter force. Former webmaster, in some people's eyes, is a versatile role: will point to PHP, is the programmer, will point Div, is a front-end designer, will use PS Chettu, is an art, pull point sponsorship and advertising, junior salesman, analysis and development of the direction of the site, the boy, is a CEO. I often laugh at the webmaster friends around, do personal webmaster, that is set computer technology, network ...