Rails Table

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 ...

"2" three sections of the site's architectural design, the traditional approach is syllogism. The so-called "traditional" is not synonymous with "outdated". Architectural design of large web sites, emphasizing practicality. Trendy design, although attractive, but the technology may be immature, high risk. So, a lot of big websites, walk is the way of the Conservative tradition. When Twitter was online in May 2006, they used ruby-on-rails tools to simplify the development of the site, and Ruby-on-rails's design thought was three paragraphs. 1. The preceding paragraph, namely ...

"3" cache = = Cash Cache = = Cash, cache equals cash income. Although this is a bit exaggerated, the correct use of caching for the construction of large Web sites is a vital event. The response speed of a website in response to a user request is a major factor affecting the user experience. There are many reasons to affect speed, one of the important reasons is the hard disk read/write (disk IO). Table 1 compares memory (RAM), HDD (disk), and new Flash (Flash), speed in reading and writing ...

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 ...

"Editor's note" Shopify is a provider of online shop solutions company, the number of shops currently serving more than 100,000 (Tesla is also its users). The main frame of the website is Ruby on rails,1700 kernel and 6TB RAM, which can respond to 8,000 user requests per second. In order to expand and manage the business more easily, Shopify began to use Docker and CoreOS technology, Shopify software engineer Graeme Johnson will write a series of articles to share their experience, this article is the department ...

In recent years, with the continuous innovation and development of the Internet industry, batch after group of websites or be eliminated or stand out, for those successful websites, most of them already exist nearly 10 or more than 10 years, in such a long period of development, in addition to the business facing the challenges, Technically, it's also a lot of challenges. The following selected Alexa rankings of the previous site (ranking up to April 21, 2012, by analyzing how they are technically coping with the challenges of business development process, to a deeper understanding of the development of the Internet industry in recent years. ...

Look cool every day, the day fresh It information all hold live, mobile internet play cool playing fashion in broad bean! Welcome to subscribe to broad bean network. [Product Information] Google Maps real-time traffic features add 9 support country Google Maps one of the coolest features is the ability to display real-time traffic on the main road. Google has once again added 7 new support to the feature, counting on the country's current total support for real-time traffic in 19 countries. Additional countries include: Belarus, Estonia, Latvia, Mexico, Peru, Romania and South Africa. When ...

1. Dress a cow x program apes actually have no time to take care of their appearance, so, hair will be like Albert Einstein, head of a chicken coop, full of messy fluffy beauty, and to make people feel at any time from the hair to take out an egg feeling. There must be a lot of beard, so that the self-confidence and calm, if it is not short-sighted, once myopia, you should wear a bottle of the foundation of such thick glasses, give people feel a kind of scientific research workers style. and the Cow X program Ape is also a high demand for their own clothing, whether it is spring and summer, or day and night, windy and rainy, ...

In the late 90, China appeared in the first batch of electric sites, it was a very distant era, it is said that workers can also be divided into units of the House, but at that time the electricity quotient is only a few front-line network workers of the test; In 2003, the dotcom bubble burst rapidly after a brief period of gorgeous The electric business industry in China is also almost doomed to extinction; and through the survival crisis, China's electricity business ushered in the development of the Golden decade, especially after 2012 years, the Chinese electric business is showing a blowout, not only the expansion of pure electricity business, and the traditional retail also rely on the model of the second industry upgrade, the fact ...

With the deepening of the Internet, cloud computing has a far-reaching impact on the existing IT technology, this paper focuses on the analysis of two changes. A． Cloud computing's impact on the software industry 1. A revolutionary change in the software development Model 1 The development model is transformed from stand-alone to cloud computing. The resources used by a stand-alone version of the software, is based on PC physical resources (such as PC memory and hard disk); In the era of cloud computing, this development pattern completely changed, the use of resources are no longer limited by physical resources, the use of memory can be based on the data Center Server group, the database can be through ...