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Which is the preferred way to concatenate a string in Python?

...timings with the timeit module: a = a + b: 0.11338996887207031 a += b: 0.11040496826171875 However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to extending a string. And this can ...
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How to get default gateway in Mac OSX

... HumberHumber 2,10311 gold badge1616 silver badges1313 bronze badges ...
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Need to understand the usage of SemaphoreSlim

...un 50 thread at a time then code like SemaphoreSlim ss = new SemaphoreSlim(10); will force to run 10 active thread at time That is correct; the use of the semaphore ensures that there won't be more than 10 workers doing this work at the same time. Calling WaitAsync on the semaphore produces a tas...
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How to use QueryPerformanceCounter?

...; "QueryPerformanceFrequency failed!\n"; PCFreq = double(li.QuadPart)/1000.0; QueryPerformanceCounter(&li); CounterStart = li.QuadPart; } double GetCounter() { LARGE_INTEGER li; QueryPerformanceCounter(&li); return double(li.QuadPart-CounterStart)/PCFreq; } int mai...
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Split list into multiple lists with fixed number of elements

...y is that? – Rakshith Jun 23 '16 at 10:26 3 @Rakshith That sounds like a separate question. Scala...
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Git: How to remove file from historical commit?

...on GitHub? and how to remove old commits. If your commit is at HEAD minus 10 commits: $ git rebase -i HEAD~10 After the edition of your history, you need to push the "new" history, you need to add the + to force (see the refspec in the push options): $ git push origin +master If other people ...
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Simple state machine example in C#?

...wn. – Martin Liversage Nov 9 '12 at 10:25 14 While this surely gets you a state machine (and a pr...
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Response.Redirect with POST instead of Get?

...matic submit. – temoto Feb 4 '13 at 10:10 @tghw I know this is super old but hopefully you see it. Is there a way to p...
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Why is there a difference in checking null against a value in VB.NET and C#?

...2003/09/30/53120.aspx and here: blogs.msdn.com/b/ericlippert/archive/2003/10/01/53128.aspx – Eric Lippert Mar 20 '13 at 15:34 27 ...
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What are fixtures in programming?

... answered Feb 4 '13 at 10:06 m01m01 7,29555 gold badges3030 silver badges5151 bronze badges ...