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How do Mockito matchers work?
...you interact with Mockito or a mock, and has to accept matchers without knowing whether they're used immediately or abandoned accidentally. In theory, the stack should always be empty outside of a call to when or verify, but Mockito can't check that automatically.
You can check manually with Mockito...
How do you convert a byte array to a hexadecimal string, and vice versa?
... faster than {IEnumerable}.Aggregate, for instance, but BitConverter still wins.
Update (2012-04-03)
Added Mykroft's SoapHexBinary answer to analysis, which took over third place.
Update (2013-01-15)
Added CodesInChaos's byte manipulation answer, which took over first place (by a large margin on...
What is private bytes, virtual bytes, working set?
I am trying to use the perfmon windows utility to debug memory leaks in a process.
4 Answers
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C++ performance challenge: integer to std::string conversion
...--- 10.230 s
ergosys: 101.42 MB/sec --- 9.860 s
MSVC 2010 64-bit /Ox on Windows 7 64-bit, Core i5
hopman_fun: 127 MB/sec --- 7.874 s
hopman_fast: 259 MB/sec --- 3.861 s
voigt: 221.435 MB/sec --- 4.516 s
user_voigt_timo: 195.695 MB/sec --- 5.110 s
timo: 253.165 MB/sec --- 3.950 s
user: 212....
What's the fastest way to merge/join data.frames in R?
... issue? For example I'm guessing that SEM=Scanning electron microscope? Knowing more about the application makes it more interesting to us and helps us prioritise.
– Matt Dowle
Aug 12 '14 at 12:00
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Performance optimization strategies of last resort [closed]
...t's hard to sample, so I give it 10 times as much work to do, but the following times are based on the original workload.
More diagnosis reveals that it is spending time in queue-management. In-lining these reduces the time to 7 seconds.
Now a big time-taker is the diagnostic printing I had been d...
App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
...App上架指南 特色 AI 助手 · 一句话生成 App 鸿蒙 · 一套积木，多端原生打包！ 下载 AI2伴侣 · 安卓/鸿蒙/iOS aia 源码商店 中文社区 中文教育版 各版本对比 关于 ...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...root@KEDACOM data]# ls data1.txt 被链接文件 data5.txt 链接生成的文件
data1.txt data2.txt data3.txt data5.txt temp
[root@KEDACOM data]# ll data5.txt
lrwxrwxrwx 1 root root 9 Jun 2 14:53 data5.txt -> data1.txt
-d参数为硬链接，两者的区别在于，硬链接是...
Using @property versus getters and setters
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The short answer is: properties wins hands down. Always.
There is sometimes a need for getters and setters, but even then, I would "hide" them to the outside world. There are plenty of ways to do this in Python (getattr, setattr, __getattribute__, etc..., ...
How do I find where an exception was thrown in C++?
...and often is, located in a different function/method than the point of throwing. It has also been pointed out to me in the comments (thanks Dan) that it is implementation-defined whether or not the stack is unwound before terminate() is called.
Update: I threw together a Linux test program called t...