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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...数量为偶数也是可以运行的，参考这个文章http://www.itpub.net/thread-1740982-1-1.html。后来突然看了一篇stackoverflow的文章终于顿悟了，mongodb本身设计的就是一个可以跨IDC的分布式数据库，所以我们应该把它放到大的环境来看。
假设四...
How do you read CSS rule values with JavaScript?
...with IE11 (e.g. ES5). Here's a JSFiddle with everything you need: jsfiddle.net/xp5r8961
– Demonblack
Sep 27 '17 at 13:06
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SET NAMES utf8 in MySQL?
...d. And it goes through all the layers so it's hard to find out.
Also, Internet Explorer had really stupid behavior of "guessing" the encoding based on weird rules.
Use simple editors where you can switch encoding. I recommend MySQL Workbench.
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Regex: match everything but specific pattern
...char. Make sure you use a corresponding DOTALL modifier (/s in PCRE/Boost/.NET/Python/Java and /m in Ruby) for the . to match any char including a newline.
Backslash note: In languages where you have to declare patterns with C strings allowing escape sequences (like \n for a newline), you need to do...
Is it possible to get the non-enumerable inherited property names of an object?
...John) returns the Boy.prototype object (as it should) - see here: jsfiddle.net/aeGLA/1. Note that the constructor Boy is not in the prototype chain of John. The prototype chain of John is as follows: Boy.prototype -> Object.prototype -> null.
– Šime Vidas
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How to elegantly check if a number is within a range?
How can I do this elegantly with C# and .NET 3.5/4?
27 Answers
27
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Abort Ajax requests using jQuery
... aborted requests automatically, and terminates automatically too. see php.net/manual/en/function.ignore-user-abort.php
– hanshenrik
Mar 1 '15 at 19:58
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How do I uninstall a Windows service if the files do not exist anymore?
How do I uninstall a .NET Windows Service, if the service files does not exists anymore?
13 Answers
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How to scale SVG image to fill browser window?
...ound, and using position:absolute instead of position:fixed:
http://phrogz.net/svg/svg_in_xhtml5.xhtml
(Using position:fixed prevents a very edge-case scenario of linking to a sub-page anchor on the page, and overflow:hidden can ensure that no scroll bars ever appear (in case you have extra content...
What are the benefits to marking a field as `readonly` in C#?
...d only member can be modified and looks like an inconsistent behavioir by .net
– Akash Kava
Mar 26 '12 at 8:13
Can you...