Pipe Standard Error

Editor's note: The last period of time reproduced in the "5 minutes to understand docker! "Very popular, a short 1500 words, let everyone quickly understand the Docker." Today, I saw the author make a new novel, and immediately turned over. The reason to call this code reading as a fantasy trip is because the author Liu Mengxin (@oilbeater) in the process of reading Docker source, found a few interesting things: from the code point of view Docker did not start a new development mechanism, but the existing tested isolation security mechanism to use the full use, Including Cgroups,c ...

Core tip: At present, some small-scale traditional data centers in China, Pue value may be as high as 3, which means that it equipment consumption of 1 watts per watt, the data center infrastructure will need to consume 2 watts of power. Dr. Peng's unique energy-saving cooling system will enable PUE to reach below 1.5. China IDC July 15 reported: At present some small-scale traditional data center, Pue value may be as high as 3, which means that it equipment consumption of 1 watts per watt, data center infrastructure will need to consume 2 watts of power. Dr. Peng's special energy-saving cooling system will ...

MapReduce: Simple data processing on large cluster

In the use of Team collaboration tool Worktile, you will notice whether the message is in the upper-right corner, drag the task in the Task panel, and the user's online status is refreshed in real time. Worktile in the push service is based on the XMPP protocol, Erlang language implementation of the Ejabberd, and on its source code based on the combination of our business, the source code has been modified to fit our own needs. In addition, based on the AMQP protocol can also be used as a real-time message to push a choice, kick the net is to use rabbitmq+ ...

With the rise of the electric quotient, the Tenkine of Zhu Wei in south China has been followed by various problems. Among them, the exchange of goods is the most popular criticism, but this is an important issue to be solved. Return is a key to restricting the development of electric dealers, is a short board of the overall service. This is like a bucket, which determines the amount of water in this bucket is the short plate. 　　How to solve the after-sale problem so that consumers ' satisfaction is a subject between the major electric companies. After the maintenance of more relying on vendors, looking forward to Third-party platform network shopping is different from the offline sales, from the consumer under the single ...

Guide: Cloud computing is not so much a technological innovation as a revolutionary force. Video cloud computing is based on the concept of cloud computing technology, using video as a "cloud" to the "terminal" to show the results of a cloud computing solution. Whether it is Archie Art set up a dedicated team to expand the video cloud services market, or the Youku Platform API interface to the outside, or is it a video network bulletin said that with the music as a joint venture to establish an independent cloud computing company. 　　The concept of video + cloud has already been taken seriously. One question: "2012 is the year of OTT, when the whole concept of video cloud ...

Caoz wrote a story, feel good, and find some of the same kind of story, to share with you: First, the user with what to walk with you [story] once there was a ravine, lived a group of villagers, ravine shortage of water, the villagers everywhere drilling The first person appeared, he helped the villagers to drill wells can always be fast and good, the villagers are very trusting him, but still less water, well more dozen deeper, more difficult, more and more villagers toil. The second man lives on the top of the mountain, he overlooks every day, and one day he runs down to the busy villagers and says, "Come with me and leave this place to the outside world." The villagers put down their tools to ask ...

Why is a hot industry in business and politics so right that it is constantly "hitting the south wall" in the real market? 　　Energy saving and environmental protection, new fashion in the 2010. 　　At the end of 2009, not only did the Copenhagen conference not cool the red-hot clean technology in China, but after the new energy, energy conservation and Environmental Protection 2010 became the new hot spot in the upstart industry family. At the beginning of this year, in the layout of the party Central Committee to accelerate the transformation of economic growth mode, "accelerate the promotion of energy conservation and emission reduction, accelerate pollution prevention" was promoted to a new round of world scientific and technological revolution ...

In January 2014, Aliyun opened up its ODPS service to open beta. In April 2014, all contestants of the Alibaba big data contest will commission and test the algorithm on the ODPS platform. In the same month, ODPS will also open more advanced functions into the open beta. InfoQ Chinese Station recently conducted an interview with Xu Changliang, the technical leader of the ODPS platform, and exchanged such topics as the vision, technology implementation and implementation difficulties of ODPS. InfoQ: Let's talk about the current situation of ODPS. What can this product do? Xu Changliang: ODPS is officially in 2011 ...

I have not lived in Germany for a long time, but I have generally observed some of the different details of Chinese living habits, and want to figure out why, in Germany, the long-term life of the people may inevitably be a little surprised or not fully accurate.     On the other hand, these details are not limited to Germany, which is seen in most Western countries. 1, from small to large in our impression, in China to see the windows are generally pushed outward, but to Germany I noticed that their windows are opened inward. Ask the Germans why, ...