Record Rails

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 ...

In 2001, I faced a choice to learn PHP or asp.net. 　　I finally picked the latter, but I still doubt that the choice is really bad. 　　It was 2001, and I faced a choice. Imagine if you could go back to the past and rewrite your technical career. What important moments will you want to change? In 2001, I worked as a joint partner with a successful web consulting firm to deal with the Classic ASP. At the time, these things were great. We are a Microsoft products distributor, ...

"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 ...

"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 The so-called "traditional" is not synonymous with "outdated".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 ...

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 ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall because of the popular search engine, web crawler has become a very popular network technology, in addition to doing search Google,yahoo, Microsoft, Baidu, almost every large portal site has its own search engine, big and small call out the name of dozens of species, 　　There are a variety of unknown thousands of tens of thousands of, for a content-driven Web site, by the patronage of web crawler is inevitable. Some intelligent search engine crawler Crawl frequency is more reasonable, to the website resource consumption ...

See how I discovered the Github Enterprise Edition SQL Injection Vulnerability and got a $ 5,000 bounty. GitHub Enterprise Edition software is a commercial application designed for corporate groups to deploy on-premise development services. Github Enterprise Edition integrates in a standard OVF format, is published as a virtual machine (VM) image and can be downloaded from the enterprise.github.com web site to download a 45-day trial version and deploy it in any virtual machine environment. By downloading its beta software for analysis, it took me a week to find out what was there ...

"Dangerous Speed" 9th release Sina Entertainment News by the United States 20th Century Fox Company produced, Huaxia Film Distribution Co., Ltd. nationwide release of the film "Crisis Speed" will be released on 9th nationwide. 　　Today, the film side in the final version of the trailer after the exposure of a heavyweight behind-the-scenes tidbits, details of the film highlights--real shooting the actual train overturned the whole process. The first scene photography train rollover The Hollywood special effects level in the world is in the absolute leading position, but the first-class photographer and the director in facing the big situation, usually also chooses the model to shoot or ...

Sheng up 2,600 points, close to the lower end of the platform last July, because the platform as once lured trap, its resistance is not much to say.　　Friday Although the market to Yang Line, but the turnover has shrunk, the volume price deviation shows the main market differences increase. Author: View the sound Court source: Today's investment in the market to accelerate the attack Thursday, both Shanghai and Shenzhen both opened a low, although the stock index is volatile, but the upward trend has not changed. In particular, after midday, the stock index was very weak, after the rally in the surrounding stock market, so that the Shanghai and Shenzhen final plate warmer. Finally, Shanghai 2597.45 ...

Lead: When I first heard the word "Internet of things", I immediately came out of a cold sweat, because I think of the moment I have to pay 300 yuan to ask people to do a few SB page, but blackmail the courtyard 2000 Yuan "XX University of Physics and Information College Friendship website" ... But then some experts said that the Internet is actually logistics and commodity management information framework platform, so has been on the logistics industry express little brother's income rather jealous I began to the internet of things to ignite a raging passion, even if can not join the logistics industry, I can also in and casually drop my parcel express small brother ...