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Is there a performance gain in using single quotes vs double quotes in ruby?
...ferences that are not significant and due to other factors (GC kicking in, etc.); remember, there can't be any difference in this case! Micro benchmarks like these are difficult to get right. See my gem fruity for a decent tool for this.
Note that if there is interpolation of the form "...#{...}......
What exactly is node.js used for? [closed]
...deJS:
REST APIs and Backend Applications
Real-Time services (Chat, Games etc)
Blogs, CMS, Social Applications.
Utilities and Tools
Anything that is not CPU intensive.
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Why shouldn't all functions be async by default?
...on, an many of your routines will be async. However, when you start doing CPU bound work, in general, making things async is actually not good - it's hiding the fact that you're using CPU cycles under an API that appears to be asynchronous, but is really not necessarily truly asynchronous.
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Get mouse wheel events in jQuery?
... instead (e.g. check the user's position on the page every x milliseconds, etc). If there's a more performant solution out there, I definitely want to know about it!
– Jesse Dupuy
Aug 7 '14 at 23:48
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Why are elementwise additions much faster in separate loops than in a combined loop?
...d it shows the same performance gap for n = 80000, n = 100000, n = 200000, etc...
– Mysticial
Dec 18 '11 at 1:48
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Fastest way to remove first char in a String
...member that when you are testing performance this way, you are affected by CPU caching, so you need to do that on the random strings, that you pre-populated an array (list) with, and randomly select the element of that array (list).
– ajeh
Sep 9 '16 at 19:51
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vector vs. list in STL
...cenario, regardless if you can reallocate, you only remove from the front, etc. Lists are slower to traverse, every insertion costs you an interaction with the allocator. It would be extremely hard to prepare an example, where list<int> beats vector<int>. And even then, deque<int> ...
MySQL maximum memory usage
...they also know a lot about the right hardware or recommend setups for AWS, etc.. These guys have years and years of experience.
Another great resource is planet-mysql, of course.
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...！ 最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Le... iCc原创，转载请注明出处！
最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Leopard，再升级...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...}
25. 在添加item后，再InsertColumn()后导致整列数据移动的问题
Q151897: CListCtrl::InsertColumn() Causes Column Data to Shift
http://support.microsoft.com/kb/151897/en-us
26. 关于listctrl第一列始终居左的问题
解决办法：把第一列当一个虚列，从第...