Rails Optimization

Editor's note: Data Center 2013: Hardware refactoring and Software definition report has a big impact. We have been paying close attention to the launch of the Data Center 2014 technical Report. In a communication with the author of the report, Zhang Guangbin, a senior expert in the data center, who is currently in business, he says it will take some time to launch. Fortunately, today's big number nets, Zhangguangbin just issued a good fifth chapter, mainly introduces Facebook's data center practice, the establishment of Open Computing Project (OCP) and its main work results. Special share. The following is the text: confidentiality is the data ...

"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 ...

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. ...

The intermediary transaction SEO diagnoses Taobao guest cloud host Technology Hall SEO is the search engine Angel Guide, is lets the website and the search engine communicate the medium, only then the SEO can let the search engine understand language and the search engine communication, tells the search engine this is what, which is more important. However, if you take the search engine as SB, then you are a SB, using cheating means, black chain even set up competition hand low-level SEO let too many formal stations are implicated. So, low-level SEO is the industry black Sheep, garbage station group harm has been, do not do a by deception ...

Introduction: Embarrassing hundred years since the establishment of 2005, has been developed for more than 7 decades, and accumulated a large number of high-quality content and users, from an obscure station to grow into a solar PV tens of millions, become the Chinese community has a unique culture of entertainment sites, embarrassing hundred have their own unique operational strategy and means. Embarrassing encyclopedia is a user real embarrassing jokes on the theme of the Web site, the topic of easy leisure, at present in the young people are very popular. In the embarrassing encyclopedia can look at other people released embarrassing and share their personal experience or heard of rape, cups, grass eggs, interesting, not liking all kinds of situations ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall [the core hint] embarrassing hundred from 2005 to set up, has developed more than 7 years, has accumulated the massive quality content and the user, from an obscure station growth for the solar PV tens of millions, becomes the Chinese community has the unique culture entertainment website, 　　Embarrassing hundred has its own unique operational strategy and means. Embarrassing encyclopedia is a user real embarrassing jokes on the theme of the Web site, the topic of easy leisure, at present in the young people are very popular. In the embarrassing encyclopedia can look at other people posted embarrassing and share their own pro ...

One, the charm of the management of cloud computing is that users can start using their ID card and credit card, but that's the problem. Such a simple service is bound to bring many challenges to the unprepared IT department. 　　We've been through this many times before: the benefits of a technology that are easy to use end up being an unexpected management challenge, such as virtualization, which causes virtual machines to become fragmented, new security risks to smartphones, and instant messaging that triggers corporate governance problems. This article is intended to show IT managers how to maximize cloud computing ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall Everyone good, I am hengshui Information Network Vern, meet again. Today write Dongdong, plainly some old ways, the veteran can turn off the fan. Let's take a look at the new bird. Dense cabinet, a combination of rails that looks like a train. My friend began to do this, to work for others, is very hard ah. Regardless of novice old ...

Spark is a cluster computing platform originating from the Amplab of the University of California, Berkeley, which is a rare versatile player, based on memory computing, starting with multiple iterations, and eclectic data warehousing, streaming and graph computing paradigms. Spark is now the Apache Foundation's top open source project, with a huge community support, technology is gradually maturing, but to really put into production, but also need to undergo a lot of optimization. To shark, Spark streaming and related projects as the theme, Spark Summ ...

The day before yesterday evening, participated in the CSDN Mobile Developer Club organized by the salon theme under the line of speech activities, in the eyes of programmers, the practice of lean business. Lee Road knewone know the new CTO is the guest speaker of the event, the other is the CTV Radio Bell. Prior to the radio station, Gauin introduced the road at a geek park innovation conference. Therefore, we focus today on Li's keynote address. Practice Lean Entrepreneurship Keynote Speech - Lee To be honest, because Li Road Brother I went to this activity. Fortunately, last summer, talked to me ...