Ruby Explained

"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 ...

"Angel crying" 1 after the plot we will start the game, a total of 3 games a choice, if the novice is recommended to use leisure mode, the relative hint more. However, this kind of game or play a challenge mode, through their own wisdom to solve a difficult problem, more than a sense of accomplishment oh. Now let's start the game. 1. Complete new tasks, pack up personal belongings and prepare for departure. First pick up all the things in the circle, in which the small angel on the table will appear in many scenes, after collection can get additional achievements, the game a total of 21, carefully observe it. Then use the key to open the ground ...

According to foreign media reports, "Connection" magazine recently wrote an analysis of Apple's new programming language Swift many advantages. The article said that because the language is easy to use, absorbing the strengths of compiled and interpreted languages, and backed by many Apple products, the popularity of Swift makes other languages ​​unmatched. According to foreign media reports, "Wired" magazine recently wrote an analysis of Apple's new programming language Swift many advantages. The article said that because of the language easy to get started ...

Malware analysis, penetration testing, and computer forensics - GitHub hosts a host of compelling security tools that address the real needs of computing environments of all sizes. As the cornerstone of open source development, "all holes are superficial" has become a well-known principle or even a credo. As widely known as Linus's law, the theory that open code can improve the efficiency of project vulnerability detection is also widely accepted by IT professionals when discussing the security benefits of the open source model. Now, with the popularity of GitHub ...

(Wen/zack Parker, Cotap CTO) Cotap is a safe enterprise Mobile Information Service software, mainly used to help people better in the work of communication and communication. This article comes from Cotapcto's share of the story of Cotap Entrepreneurship and the role Amazon EC2 plays in its entrepreneurial process. I have been working with the company's co-founder, Mr. Patterson, for many years to solve this problem, and we are very excited about the new opportunities that mobile devices bring to us ...

Beijing time April 7 Morning news, Twitter announced in Wednesday, has increased the site search speed three times times.　　"Last week we replaced the original ruby-on-rails with a Java server called Blender that has increased the search speed by three times times," The Twitter engineer blog post said. Twitter explained that the server upgrade would enable the site to quickly improve its search capabilities in the coming months, but Twitter did not elaborate on it.

As an important form of cloud computing, IaaS services have a wide range of open source and commercial cloud platform scenarios. This article is based on the use of open source IaaS cloud platform to develop public and private cloud management platform perspective, introduced and compared eucalyptus, Opennebula, Cloudstack and OpenStack, such as open source IaaS cloud platform. The characteristics of the successful cloud platform from AWS AWS is the most successful cloud computing platform, the most important feature of the system architecture is to open the data and function through the Web service interface.

The National day season is the Emerald Jade Merchant hype promotion period, but the emerald market has recently become a media hotspot, has repeatedly been reported sky-high speculation bubble, there are businesses worried about the emerald market will face a risk of collapse; a little later than the Jade start and the nephrite market also changed every year before the 5%-10% "turtle speed" to at least 2~ every year　　3 times times the magnitude of the explosion, very individual high-end varieties price even a year can be a hundredfold.　　The market's sudden shocks caused the market unrest: and Hetian Jade will go with the same market history? Wen/Map/table reporter Lin Lin pass: and Hetian Jade entered tens of millions of yuan threshold ...

Codecademy, a little need to mention can be reminiscent of interesting hands-on programming teaching, no need to deploy programming environment can be compiled online, running the name of the program, it brings us the change is: the threshold of programming learning to the minimum, low to rookie beginners can also be. But unfortunately, the Chinese domain has not been as interesting as Codecademy programming education products appear. The first two days just completed the financing of the "bubble noodles" can be regarded as a Chinese version of the Codecademy ambitions of the start-up companies, they also decisively abandoned the video teaching this too heavy ...

Codecademy, a little need to mention can be reminiscent of interesting hands-on programming teaching, no need to deploy programming environment can be compiled online, running the name of the program, it brings us the change is: the threshold of programming learning to the minimum, low to rookie beginners can also be. But unfortunately, the Chinese domain has not been as interesting as Codecademy programming education products appear. The first two days just completed the financing of the "bubble noodles" can be regarded as a Chinese version of the Codecademy ambitions of the start-up companies, they also decisively abandoned the video teaching this too heavy ...