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from a variety of databases is not stored in memory, so the performance of the database is not as good as the ability to sort by points and update them in real-time, almost every second.Typically, for example, the leaderboard for online games, such as a Facebook game, based on the score you usually want:-List Top 100 high-score contestants-List A user's current global rankingsThese operations are a piece of cake for redis, and even if you have millions of users, there will be millions of new po

. Even if possible, do not worry about what valuable information you will miss, the real valuable information, in other sources you will also be exposed to. In the beginning of my greader inside every day there are a lot of new content, every day is 1000+, but after some time found in addition to information anxiety, in fact, there is not much value, now, I am very happy to find themselves out of this situation, I continue to unsubscribe from the feeds, leaving less content, Also more and more r

page beyond this cache, then is they sent to the database. deletion and filtering. If a cached article is deleted it can be removed from the cache using Lrem. leaderboards and related problems. A leader board is a set of sorted by score. The Zadd commands implements this directly and the Zrevrange command can is used to get the top of the users by score and ZRA NK can is used to get a users rank. Very direct and easy. Order by user votes and time. This was a leaderboard lik

The term "procrastination" has been very popular in recent years. It seems that everyone feels that their efficiency is not high and it is difficult to focus on what is at hand. How can we improve our work efficiency, let me tell you. Aaron Swartz wrote a famous articleArticleCalled "HOWTO: be more productive". This article is really good. I have read it many times and I agree with the author's point of view. I have learned some of the methods mentioned by the author and applied them to my own

Efficiency of code ExecutionIn the performance tuning strategy, I said, to tune the need to find the program in the hotspot, which is called the most places, such a place, as long as you can optimize a little bit, your performance will improve quality. Here I give you three examples of the efficiency of code execution (they all come from the Internet)A first exampleefficiency of getter and setter in PHP (source Reddit)This example is relatively simple

15 begins contact with machine learning (more precisely, deep learning code, CNN)Need to see a lot of information to get started;Collected here, to see for themselves, but also to the passing of interested crossing judgment, for recreationGo directly to the link:1,http://speakerdeck.com/baojie/recent-advances-in-deep-learning-by-kevin-duh2,http://speakerdeck.com/baojie/deep-learning-an-introduction-from-the-nlp-perspective-by-kevin-duh3,http://lamda.nju.edu.cn/weixs/project/cnntricks/cnntricks.h

make your microblog profitable. Egg Timer: You can set the time for bookmarks to be reused. D. Trends and ideas portent: the hottest title generator. Google Trends: A new way to display popular searches. Buzzsumo: analyze the best way to execute content for any topic or opponent. Hubspot Blog Topic Generator: The idea of customizing blogs Swayy: Discover the most compelling content for dashboard users for free. Others:Google +what's Hot | Twi

take on more critical tasks on a larger scale. Redis 3.0 marks the beginning of a new phase and a new development model. Later, a large number of new features that have been developed will no longer rush into the stable version, in fact Redis 3.0 has given up a lot of new features to ensure that users can immediately use the new stable version. The announcement of the official version of Redis 3.0 has led to heated discussions in various domestic communities and forums, with

owners of the well-known social news site Reddit, and has created the Python Web application framework web.py ... In July 2011, the United States federal grand jury sued Swartz for a huge amount of scholarly documentation from the JSTOR online magazine file system. Then, Swartz killed himself. Just a text editor to open, easy to change, and very simple format. let you focus on the content, not the style . Writing the most painful

, number, object, RegExp and string built-in plugins, Promises, proxies. There are also a number of features being considered: templates and subclasses. The Edge User Voice Group,asm.js has become a top 10 feature requirement supported by the developer. And Microsoft has started to support Asm.js in the 10074 version of Windows Insider Preview. According to Microsoft, Asm.js,edge is 3 times times and twice times faster than IE11 on unity Benchmark and zlib respectively.After this summer's offici

RabbitMQ PHP Usage RABBITMQ is an open source, highly reliable enterprise-class messaging system based on the AMQP (Advanced message Queuing Protocol) standard, with many websites currently in use, including reddit,poppen.de. 1. Installing Rabbitmqsudo apt-get Install Rabbitmq-serversudo/etc/init.d/rabbitmq-server start ? ? ? 2. Installing Librabbitmqsudo apt-get install MERCURIALHG clone HTTP://HG.RABBITMQ.COM/RABBITMQ-CCD Rabbitmq-chg clone http:/

bad design: The entire article complained about how rotten PHP is. Why does PHP suck? Another article similar to the one above. Too much, really endless, if use in "Hacker News" and Reddit on a sentence summed up, that is: Today to learn PHP, tomorrow will be eliminated directly. See here, are you starting to question your choice of a bad programming language? You know--it's all based on PHP. Don't doubt your choice. Although it seem

KB Eloader0953_5.2.7.dll KB Eaccelerator 0953 for PHP 5.2.7 KB Eloader0953_5.2.8.dll KB Eaccelerator 0953 for PHP 5.2.8 KB Eaccelerator 0953 for PHP 5.2.9 KB Eaccelerator 0953 for PHP 5.2.10 KB »add New Comment | Printer Friendly Version | Delicious | Digg | Reddit | Google | Technorati PHP 5.2.11 is out Submitted by Smithrn on Septem

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Article title: "When teachers become obstacles to Linux education" continued. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems and open source, and some other basic categories a few days ago, a teacher seized the student's LiveCD CD, I wrote an angry email to a Linux supporter accusing him of teaching bad students, claiming that linux.solidot.org/article.pl? Sid = 08/12/11/0843250 tid = 68 "> No sof

has received extensive attention.Pineau the "reproducibility" criterion of the test algorithm based on a large number of investigations [11]How many pits exist in 1.2 DRL study? [12] Also in December, a lively discussion on machine learning irregularities was carried out at the Reddit forum. It has been singled out that some of the DRL representative algorithms have made excellent but hard-to-reproduce representations in the simulator because the aut

thing. Gates are getting angry. He stood up and walked into the bathroom, unwilling to come out. He said, "If John doesn't apologize, I won't come out ." So John went to the door and said, "sorry ." Then Bill came out. ...... Bill? Gates is different from today. Bill? Gates really changed when he gave birth to a child. He used to be a typical and reckless technical genius. Then he became humanized. So many people are surprised when I tell these early stories to others. Fourth story Gates has b

Address: http://www.myexception.cn/other/1391149.html The reason why stackoverflow is successful on a well-known Q A website is that reasonable rules and strict execution are important. Therefore, it is often necessary to delete posts. However, sometimes the execution is too strict, and the deleted Q A may be amazing from time to time. This is not the case. What their blog post in August 29 "20 most controversial programming views" says is such a deleted post. This article immediately aroused

Amazon cloud computing platform AWS (Amazon Web Services) provides many companies with basic cloud Services. Dropbox, Instagram, Quora, Foursquare, Reddit, Heroku, and these new internet stars are able to shine brightly, and AWS has made great achievements; it allows small teams with ideas and technologies, world-class operation services can be obtained at a low price, which can withstand the rapid growth of users. Since AWS is so important, you have