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Do try/catch blocks hurt performance when exceptions are not thrown?
...t; values can be discarded less aggressively -> less efficient register allocation)
– Daniel
Aug 2 '19 at 13:02
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Array.Copy vs Buffer.BlockCopy
...uffer from one or more severe technical flaws, including not moving memory allocations out of the test loops (which introduces severe GC artifacts), not testing variable vs. deterministic execution flows, JIT warmup, and not tracking intra-test variability. In addition, most answers did not test the...
How can I recall the argument of the previous bash command?
...(which is most key binding related stuff outside of bash): tiswww.cwru.edu/php/chet/readline/rltop.html#TOCDocumentation
– Chris
Aug 19 at 0:17
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兼容主流浏览器的JS复制内容到剪贴板 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ard.swf 的下载地址：http://www.jeffothy.com/weblog/uploads/clipboard.php
但是 Flash 10 时代，上面的方法已经不行了。
因为flash10中规定了只有在swf上进行了真实的操作（比如鼠标点击）才能访问剪切板，而上述方法只是使用了一个隐藏的swf...
Entity Framework Timeouts
...ommand timeout within the EF connection string.
http://bugs.mysql.com/bug.php?id=56806
Remove the value from the connection string and set it on the data context object itself. This will work if you remove the conflicting value from the connection string.
Entity Framework Core 1.0:
this.context....
JavaScript chop/slice/trim off last character in string
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I like this way because it jives with php thinking for substr function, easier to remember and write on the fly.
– pathfinder
Mar 15 '13 at 6:24
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Calculate difference between two dates (number of days)?
I see that this question has been answered for Java , JavaScript , and PHP , but not C#. So, how might one calculate the number of days between two dates in C#?
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What is the difference between exit() and abort()?
... +1 for reminding people that the OS will eventually free-up all allocated resources even after an abort() call.
– Fingolfin
Oct 26 '12 at 12:54
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ImportError: No module named MySQLdb
...ations
With Ubuntu Server LTS 16.1, a full LAMP stack, Apache2 MySql 5.7 PHP 7 Python 3 and Django 1.10.2 I really struggled to find a good answer to this. In fact, I am still not satisfied, but the ONLY solution that worked for me is this...
sudo apt-g