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Timer function to provide time in nano seconds using C++
...s://blogs.oracle.com/dholmes/entry/inside_the_hotspot_vm_clocks
http://lwn.net/Articles/209101/
http://performancebydesign.blogspot.com/2012/03/high-resolution-clocks-and-timers-for.html
QueryPerformanceCounter Status?
See the comments for more details.
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How is Docker different from a virtual machine?
...r and a full VM. How does it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy?
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...手解决那些必须的就可以了。
【工匠若水 http://blog.csdn.net/yanbober 转载请注明出处。点我开始Android技术交流】
3 应用开发Memory内存性能分析优化
说完了应用开发中的UI性能问题后我们就该来关注应用开发中的另一个重要、严重...
Possibility of duplicate Mongo ObjectId's being generated in two different collections?
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see here: php.net/manual/en/mongocollection.insert.php : "Note: If the parameter does not have an _id key or property, a new MongoId instance will be created and assigned to it. This special behavior does not mean that the parameter is pas...
What is the difference D3 datum vs. data?
...> `node-${n} => data: ${d[i]}`);
});
Try it here: https://jsfiddle.net/gleezer/e4m6j2d8/6/
Again, I think this is way easier to grasp as you keep free from the mental burden coming from the enter/update/exit pattern, but as soon you need to update or change the selection you will surely be ...
Is multiplication and division using shift operators in C actually faster?
... Agreed, optimizing for readability and maintainability will probably net you more time to spend actually optimizing things that the profiler says are hot code paths.
– doug65536
Jan 2 '13 at 21:04
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List of Delphi language features and version in which they were introduced/deprecated
...n-breaking release, DCU's from D2006 will work unchanged in D2007;
(The .NET 'personality' of 2007 introduced generics)
Delphi 2006
Enhanced records;
operator overloading;
static methods and properties;
class helpers;
FastMM is the default memory manager;
strict private/protected v...
Why not use tables for layout in HTML? [closed]
...very page? It's so easy to resolve with master pages or user controls in .net, include files in php or classic asp, etc ... Anybody who copies the company layout like this deserves an a** kicking! ;-)
– John MacIntyre
May 20 '09 at 14:30
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What's the right OAuth 2.0 flow for a mobile app
...rver, so it is only supported on
certain providers.
from https://oauth.net/2/pkce/
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Why does my application spend 24% of its life doing a null check?
... array by far the most efficient data structure. Also the reason that the .NET List<> class isn't a list at all, it uses an array for storage. The same for other collection types, like Dictionary, structurally not remotely similar to an array, but internally implemented with arrays.
So your w...