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How and when to use ‘async’ and ‘await’
...mpiler will give a warning if we remove the await. Stephen Cleary's blog post blog.stephencleary.com/2011/09/… gives an execellent of the design discussions.
– shelbypereira
Dec 4 '15 at 10:33
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Is it better to call ToList() or ToArray() in LINQ queries?
...o meet other constraints you should use ToList. In the majority of scenarios ToArray will allocate more memory than ToList.
Both use arrays for storage, but ToList has a more flexible constraint. It needs the array to be at least as large as the number of elements in the collection. If the arr...
Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V
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@marcog - your notation is at least confusing and at most wrong. n is the keystrokes you're allowed to use. You have to compute how many As you can type with n keystrokes. So 7 => 7 makes no sense.
– IVlad
Jan 5 '11 at 18:51
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What is the meaning of the term arena in relation to memory?
...nd don't need to worry about tracking individual deallocations.
Each of those techniques is very specialized and generally only comes in handy if you know exactly what you're doing and why the normal library allocation is not good enough. Note that a good memory allocator will already do lots of ma...
How and why do I set up a C# build machine? [closed]
...orking with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expense to...
How many threads is too many?
... into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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std::string formatting like sprintf
...tream? I'm assuming you have specific reasons to not just do this:
std::ostringstream stringStream;
stringStream << "Hello";
std::string copyOfStr = stringStream.str();
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When is TCP option SO_LINGER (0) required?
...tomer complains about RST as response to FIN from its side on connection close from its side.
7 Answers
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Retaining file permissions with Git
...o you:
bundle your repo and save the associated file permissions.
copy those two files on the remote server
restore the repo there, and apply the permission
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How do I measure time elapsed in Java? [duplicate]
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Unfortunately, none of the ten answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The ...