Ruby Wait

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 Serengeti, there are two most important and most critical functions: one is virtual machine management and the other is cluster software installation and configuration management. The virtual machine management is to create and manage the required virtual machines for a Hadoop cluster in vCenter. Cluster software installation and configuration management is to install Hadoop related components (including Zookeeper, Hadoop, Hive, Pig, etc.) on the installed virtual machine of the operating system, and update the configuration files like Namenode / Jobtracker / Zookeeper node ...

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 ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall in today's development environment, fast that is good. 　　Original: http://sixrevisions.com/web-development/10-ways-to-cut-down-web-development-time/in today's development environment, fast is good. Today, such as "rapid application Development", "Agile Software Development" and "Asynchronous JavaScript ..."

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest Cloud host Technology Hall Editor's note: For many internet startups, hiring is a difficult problem to cross, The salary does not prevail, the team does not prevail. How to recruit to fit the team of talent, everyone has their own heart, Linlis company in the recent recruitment to get some experience, points ...

"Editor's note" Whether Google, Amazon, Microsoft, VMware have embraced, joined the Docker and container of the new era of cloud virtualization, these two technologies become the IT industry trends. What the hell is Docker and container? The following 9 q&a tell you. The following is the original: Q1:container technology and server virtualization are the same technology? A: No. Although both are virtualization technologies, the goal is to put a set of ...

Introduction: Sometimes we need more than just a product manager who knows technology well, and what we need is a product manager who can trust his partners to do well and encourage them to work better together. So in the end product managers need to understand the technology, let's take a look at know the answer of this question. In the last seven years, I have been doing Internet products, of which the first five years of time in the start-up companies and listed companies, to do other people's products; the last two years in business, and strive to be their own Production ...

Ajax consists of HTML, JavaScript™ technology, DHTML, and DOM, an excellent way to translate clumsy WEB interfaces into interactive Ajax applications. The author of this series is an Ajax expert who demonstrates how these technologies work together-from a general overview to a detailed discussion-to make efficient WEB development a reality.　　He also uncovered the mysteries of Ajax's core concepts, including XMLHttpRequest objects. Five years ago, ...

Before 2013, there may be a wait-and-see or scepticism about the cloud, but after a year of development, cloud computing has completely landed: Big companies are busy with how to deliver faster, more stable and safer cloud services, how to snatch users in the cloud market, and small companies to consider how to use cloud computing to reduce their operating costs. How to make your system into a cloud structure; startups think about how to use the cloud to reduce upfront spending, and even how to use the concept of "cloud" to start a business and sell yourself in front of a VC. According to Gartner, 2013 Global ...

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 ...