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The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall This article is for the SEO crowd's Python programming language introductory course, also applies to other does not have the program Foundation but wants to learn some procedures, solves the simple actual application demand the crowd. 　　In the later will try to use the most basic angle to introduce this language. 　　I was going to find an introductory tutorial on the Internet, but since Python is rarely the language that programmers learn in their first contact program, it's not much of an online tutorial, or a decision to write it yourself. If not ...

In mailbox rapid expansion process, one of the performance problems is the MongoDB database level write lock, the time spent in the lock waiting process, directly reflects the user's use of the service process delay. To address this long-standing problem, we decided to migrate a common set of MongoDB (storing mail-related data) to a separate cluster. According to our inference, this will reduce the lock latency by 50%, and we can add more fragments, and we expect to be able to optimize and manage different types of data independently. We start from Mon ...

Original: http://www.kamang.net/node/223 The reader is impatient, I did not, so first say the conclusion: you can not edit the program, as long as the mouse to drag a few icons, change parameters, you can complete the distribution of billion data processing procedures. Of course, the ideal goal has not yet been achieved, but the road has been plainly displayed in front of us, at least we have come close to half. First of all, the MapReduce algorithm itself comes from functional programming, so using FP's idea to build the algorithm is again ...

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" ...

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 ...

Shenzhen point Italy flourishing general manager Du Liang keynote speech "The new competitive era of integrated network Marketing" Du Liang: Ladies and gentlemen, friends of the network, good afternoon. Taiwan has a cultural guru called Li, who was most afraid of such a lecture hall when he was speaking at Tsinghua University. Because his head looks to the right from the left, because he thinks he's like an electric fan. I don't mind being an electric fan here today, bringing a cool breeze for everyone. Today's topic is the new competitive era of integrated network ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall note: Compared with traditional host games and PC games, the life cycle of mobile games is often short. The "Candy Smash Saga", which has sucked gold for the past 1 years, has inevitably plunged into recession and stagnant growth, leading to a plunge in game developer King's share price. Why is that? The English-language technology media recently published a column from the famous game industry analyst Tegg Kelly Tadhg Kelly, analyzing the topic. In this article, Kelly will ask ...

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 SEO diagnosis Taobao guest Cloud host technology Hall Semwatch data loss, before I wrote several articles are gone. 　　Although a snapshot from Baidu and other ways can be restored, but they do not feel the need, because it is a few months ago to write something. 　　Especially in their own blog, each after a few months will be deleted before the article, because every once in a while looking back at the point of view of SEO, the evaluation is: general. So reopen the article and write something deeper: I've come from the touch of SEO to now, ...

See Li Anshi wrote an article on the Internet, the name is "the great open source and China has nothing to do", in the article, Li Anshi analysis, in the current China in the manufacturing industry in pursuit of the pace of Europe and the United States, Tesla's patent open source is in fact just Tesla's propaganda means, Core technology is not going to make it easy for you to use. The backwardness of China in manufacturing is well known, but how can we change the status quo? 　　Only by strengthening their ability, open source will not become empty slogan! Here's what Li Anshi in the interview: the development of open source software ...