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When visiting a website or a blog, if the site to provide users with content rating or voting function, can enhance the interaction of user participation, but also to the user a "master" of intimacy, so that users can effectively participate in the content of the evaluation system to the site. So, more and more portals are also starting to add ratings or voting functions, here are 9 excellent JavaScript implementations of the rating voting Plug-ins and teaching materials to facilitate your two t

The first three articles in this series introduce the ranking algorithms for hacker News,reddit and Stack overflow. Today, a more general mathematical model is discussed. Each article in this series can be read separately. However, to ensure that everyone is on the same page, let me say that, so far, we have tried to solve the same problem in different ways: according to the user's vote, the "Jevin ranking" has been decided in the recent period. Yo

As early as this June, a Reddit netizen exposed the first code "Blue" WP 8.1 screenshots after the external media has been related to the flow of information. Today, the net name for Qxerro on Weibo released more than WP 8.1 related spy photos, showing the new system brought about by the huge changes and related features, let's take a detailed look at WP 8.1 brought about by the changes. Arrange the applications according to how frequently they are u

lot of parameters, such as D to Pretrain to f=0.82 when the best effect, and pretrain to use Adam, and confrontational training to use Rmsprop, Also, like Wgan, the weights of each update d are fixed within a range. Original link: https://arxiv.org/pdf/1703.04887.pdf 5. The last March 31 on the arxiv article: improved training of Wasserstein Gans, after the release of Wgan caused a sensation, such as Ian in the Reddit on the comment on this article,

of the sizeof operator is performed at compile time, the x+=1 is not executed. Equally interesting: studies have shown that printf ("WTF?") This line of code is the most typical case that will never be pushed into the stack.Indexes for Lua, Smalltalk, Matlab, and more languages start at 1/r/programmerhumor/This directory has a lot of indexes starting from 1 jokes. Surprisingly, the fact that many programming languages have an array index starts at 1.The value of 0 in the Ruby language is True..

Focus on the "lab building" and share a project tutorial every day Most of us are "narrowly escaped" ... Text total: 2568 words Estimated reading time: 7 minutes Editor's note: Developers always think that they mistakenly deleted the data is a big thing. True, but "sin is not Dead". The author of this article Zachary Kuhn share his personal experience, and that it is not important to make mistakes, it is important to have income. Last week I had a short talk with my colleagues about a career-re

reduce the number of nodes. In a uniform cost grid, it is wasteful to search for a separate lattice space each time. One solution is to create a diagram of the key nodes (such as corners) to be used for pathfinding. However, no one wants to calculate a signpost in advance, so let's look at A * variant algorithm that can jump forward on a grid chart, jumping point search. Given that the child nodes of the current node are likely to appear in the Open collection, the hop search jumps directly to

return score elements between negative infinity and 1950 years (two extrema are also included). You can also delete elements within a range. For example, remove a hacker from an ordered collection that has a birthday between 1940-1960 years. $ redis-cli zremrangebyscore Hackers 1940 1960 (integer) 2 Zremrangebyscore is not a good name, but he is very useful and returns the number of deleted elements. back to Reddit's example Finally, return to the example of

Source:http://www.jianshu.com/p/d24dfbb33781 This document is translated from: How to Close Channels in Golang elegantly.A few days ago, I wrote an article explaining the use of channel in Golang. In Reddit and HN, that article received a lot of approval, but I also received the following criticism about the Go Channel design and specification: There is no simple and common way to check if the channel has been closed without changing the channel state

even if you have millions of users, there will be millions of new points per minute.The pattern is this, each time we get a new score, we use this code:ZADD leaderboard You may replace username with a userid, depending on how you designed it.Getting the top 100 high-score users is simple:ZREVRANGEleaderboard099The global rankings for users are similar, and only need to:ZRANK leaderboard4, according to the user vote and time sortingA common variant pattern of the leaderboard is, like

storage. In the next article, we will actually create a database on the server, which is much simpler than this article. Share this: Twitter Facebook Reddit LinkedIn - Tumblr Pocket Email 2 Comments 18.Francesco Mantovani Interesting, but how files is stored into the file system?Few days ago I imported a. txt file of 200MB size and once imported into SQL Server the size is up to 500MB.Why

Tags: share tree optimizer seq through php lib URL modOriginal: http://www.ruanyifeng.com/blog/2014/07/database_implementation.html The simplest implementation of a databaseNanyi Date: July 4, 2014 In all applications, the database can be the most complex. MySQL's manual has more than 3,000 pages, and PostgreSQL's manual has more than 2000 pages, and Oracle's manuals are even thicker than they add. But it's not hard to write a simple database of your own. R