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在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...个名词是由Nassim Taleb提出来的（www.edge.org/3rd_culture/taleb04/taleb_indexx.html），他这样定义：”黑天鹅代表外来因素，是一个超出正常预料的事件。”几乎所有的互联网服务中断，都来自于意料之外的突发事件，属于极其小概率的非...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
... msg:*->title GET msg:*->content
1) "title1"
2) "content1"
3) "title2"
4) "content2"
5) "title3"
6) "content3"
很多情况下这显得不够灵活，好在我们可以采用其他一些方法平衡一下利弊，比如说新加一个字段，冗余保存完整消息的序列化，接着只GE...
Remove an item from a dictionary when its key is unknown
...nt:
>>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"}
>>> value_to_remove = "You say yes"
>>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove}
>>> some_dict
{1: 'Hello', 2: 'Goodbye', 3: 'You s...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
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answered Aug 6 '10 at 17:48
Andrew HedgesAndrew Hedges
20.7k1616 gold badges6262 silver badges7878 bronze badges
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Is there a __CLASS__ macro in C++?
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answered Nov 3 '09 at 11:44
Aleksei PotovAleksei Potov
1,4411111 silver badges1414 bronze badges
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What is the advantage of GCC's __builtin_expect in if else statements?
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answered Sep 8 '11 at 11:14
Blagovest BuyuklievBlagovest Buyukliev
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Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...scorlib
Yes, this technically can go wrong when you execute code on .NET 4.0 instead of .NET 4.5. The attribute was moved from System.Core.dll to mscorlib.dll in .NET 4.5. While that sounds like a rather nasty breaking change in a framework version that is supposed to be 100% compatible, a [Type...
How to get database structure in MySQL via query
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edited Apr 28 '14 at 15:14
Michel Ayres
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Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
...it to analyse a buffer source code to properly highlight it)
Since Emacs 24.1 semantic is usable from the Emacs completion framework. The easiest way to test it is to open up a C source code file and typing M-TAB or C-M-i and watch as semantic automagically completes for you. For languages where se...
How to use git bisect?
...u have the following development history:
... --- 0 --- 1 --- 2 --- 3 --- 4* --- 5 --- current
You know that your program is not working properly at the current revision, and that it was working at the revision 0. So the regression was likely introduced in one of the commits 1, 2, 3, 4, 5, curren...