Ruby Reference

HTML 5 improves interoperability and reduces development costs by developing precise rules on how to handle all HTML elements and how to recover from errors. New features in HTML 5 include the ability to embed audio, video, and graphics, client data storage, and interactive documentation. HTML 5 also contains new elements, such as: <nav>, <header>, <footer>, <figure> and so on. HTML 5 ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host Technology Hall This is the latest Web Development toolkit that Mashable collects, including drag-and-drop Web application creation tools, code libraries, project management, test programs, and frameworks that support a variety of programming languages, from Ajax to Ruby to Pytho N。 　　This is the second part. 　　Reference and Data Cofundos-a platform to discuss open source software for investment. Mac Yenta-...

"8" has not been the Beijing Xizhimen overpass design, often criticized. Objectively speaking, for an overpass, can extend in all directions, it is basically complete the task. The main reason for the criticisms is that the route is too complicated. Of course, from the designer's point of view, they need to take a holistic view of constraints from all sides. But considering the world's overpass everywhere, each has its own difficulties, however, such as the xizhimen overpass so confusing, it is rare. Therefore, for Xizhimen overpass designers, the difficulty is objective, but the improvement of the total space ...

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 ...

With the proliferation of data volume, Mysql+memcache has not met the needs of large-scale Internet applications, many organizations have chosen Redis as its architectural complement, however, redis the use of the threshold is not low, such as not supporting SQL, here for everyone to share the Redis use of the full raiders. Redis, one of the most closely watched NoSQL databases, has been used by many well-known internet companies, such as Sina Weibo, Pinterest and Viacom. However, being born with no support for SQL makes him look difficult ...

Here is a translation of the Redis Official document "A fifteen minute introduction to Redis data Types", as the title says, The purpose of this article is to allow a beginner to have an understanding of the Redis data structure through 15 minutes of simple learning. Redis is a kind of "key/value" type data distributed NoSQL database system, characterized by high-performance, persistent storage, to adapt to high concurrent application scenarios. It started late, developed rapidly, has been many ...

The intermediary transaction SEO diagnose Taobao guest Cloud host Technology Hall If we compare different program developers to the general words of the princes of the kingdoms, then the code Editor can definitely call the weapon in our hands, different types of developers use the "weapon" is also very different. Like weapons, there is no absolute strong, there is no absolute good, each of the weapons have different advantages and disadvantages, although the saying goes good, an inch long, an inch strong, but if you have nothing to do it all carry "Guan Master" ...

It is based on this trend that IBM released its own public cloud products, the product name is IBM Bluemix, is currently in the open testing phase. Bluemix is built on the Apache Open source project Cloud Foundry, and provides the quality service (services) developed by IBM and its partners for use by IT practitioners. This article takes the core component of Bluemix platform-Bluemix Java Runtime as the main line, to introduce to the reader IBM public ...

The road to computer science is littered with things that will become "the next big thing". Although many niche languages do find some place in scripts or specific applications, C (and its derivatives) and Java languages are hard to replace. But Red Hat's Ceylon seems to be an interesting combination of some language features, using the well-known C-style syntax, but it also provides object-oriented and some useful functional support in addition to simplicity. Take a look at Ceylon and see this future VM ...

"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 ...