Ruby Challenges

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. ...

August 3, 2013, "Sky City" in Japan hit a new 143,119 tweets per second Twitter peak record, Twitter is the average number of tweets per second (TPS) 5,700 of 25 times times. 　　It is noteworthy that, in the absence of an indication of the "flood peak", the new Twitter system platform has not been flooded with the push-text jam caused by any delay or even downtime. The performance of the old Twitter architecture compared to the new architecture just three years ago, in the 2010 World Cup, a penalty and a red ...

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 ...

This article, written by Paul Graham at the end of 2005, describes the four challenges VC faces and the two possible solutions. Although nearly 10 years have passed, but this article for the current stage of venture capital is still a reference, in the domestic creation circle is still a lot of money chasing a few excellent start-up companies, and VCs have to face the start-up companies do not carry out financing directly by large companies to buy the challenge. In the next few years, VC funds will find themselves battling pressure from four. VC hands have big ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall in order to be able to effectively learn a variety of technology and programming, master a few very good website is still very necessary. 　　This article we will recommend 3 very good technical website, codecademy, Codeschool, Teamtreehouse, lets you say good-bye to the programming small white, takes you into the magical programming world. There is a saying: "More than the pressure on the body," If you have the time and interest, you may wish to learn more programming skills. In order to be able to effectively learn a variety of technologies and ...

With the deepening of the Internet, cloud computing has a far-reaching impact on the existing IT technology, this paper focuses on the analysis of two changes. The impact of cloud computing on the software industry 1. A revolutionary change in the software development Model 1 The development model is transformed from stand-alone to cloud computing. The resources used by stand-alone software are based on PC physical resources (such as PC memory and hard disk); In the era of cloud computing, this pattern of development is completely changed, the resources used are no longer limited by physical resources, the use of memory can be based on the data Center server cluster ...

With the deepening of the Internet, cloud computing has a far-reaching impact on the existing IT technology, this paper focuses on the analysis of two changes. A． Cloud computing's impact on the software industry is 1. A revolutionary change in the software development Model 1 The development model is transformed from stand-alone to cloud computing. The resources used by a stand-alone version of the software, is based on PC physical resources (such as PC memory and hard disk); In the era of cloud computing, this development pattern completely changed, the use of resources are no longer limited by physical resources, the use of memory can be based on the data Center server cluster, database can ...

With the deepening of the Internet, cloud computing has a far-reaching impact on the existing IT technology, this paper focuses on the analysis of two changes. A． Cloud computing's impact on the software industry 1. A revolutionary change in the software development Model 1 The development model is transformed from stand-alone to cloud computing. The resources used by a stand-alone version of the software, is based on PC physical resources (such as PC memory and hard disk); In the era of cloud computing, this development pattern completely changed, the use of resources are no longer limited by physical resources, the use of memory can be based on the data Center Server group, the database can be through ...

Editor's note: Wang Lijun, the author of the Sina Cloud computing SAE, participated in and was responsible for the development of the internal dynamic platform (private PAAs) and later led the entire SAE (public PAAs) project. After leaving Sina, set up the Nicescale, is now mainly for developers and enterprises to provide a simple and easy to use server management platform, can manage physical machines, virtual machines, cloud host even Docker containers. The product is still in beta, the official said in early 2014 to complete a round of financing, the specific amount is ominous. This article for the author of the past ten years of work ...

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 ...