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How do I include a file over 2 directories back?
...or two directories back, use '../../file'.
And so on.
Although, realistically you shouldn't be performing includes relative to the current directory. What if you wanted to move that file? All of the links would break. A way to ensure that you can still link to other files, while retaining those...
Detecting an undefined object property
...@Zack Your tests for isNullorUndefined did not consider the case where you call isNullOrUndefined(f) and f is undeclared (i.e. where there is no "var f" declaration).
– pnkfelix
Feb 15 '13 at 15:08
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Where is the itoa function in Linux?
...does not include itoa(), like several other platforms, due to it not technically being a part of the standard. See here for a little more info. Note that you have to
#include <stdlib.h>
Of course you already know this, because you wanted to use itoa() on Linux after presumably using it o...
Difference between wait and sleep
...cess and return its termination sta-
tus. Each n may be a process ID or a job specification; if a
job spec is given, all processes in that job's pipeline are
waited for. If n is not given, all currently active child pro-
cesses are waited for, and the ...
How do I print to the debug output window in a Win32 app?
...Str. Is it char*, wchar_t* or LPTSTR? Assuming that it is char* you simply call OutputDebugStringA(myStr) or use OutputDebugStringW with wchar_t* and OutputDebugString with LPTSTR as explained in my answer.
– Martin Liversage
May 22 '13 at 8:44
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What is the correct way to create a single-instance WPF application?
...a 'Mutex' is a system object that is available to other processes, you typically want the name to be unique so it doesn't clash with other 'Mutex' names on the same system. In the article, the cryptic-looking string is a 'Guid'. You can generate this programmatically by calling System.Guid.NewGuid...
Maximum packet size for a TCP connection
...on and I run in to this a lot at work actually. There are a lot of "technically correct" answers such as 65k and 1500. I've done a lot of work writing network interfaces and using 65k is silly, and 1500 can also get you in to big trouble. My work goes on a lot of different hardware / platforms / ...
Why does pycharm propose to change method to static
...actually change the class instance. Hence the method could be static, i.e. callable without passing a class instance or without even having created a class instance.
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How do I declare a global variable in VBA?
...scope" and none worked. The only thing that worked was a new Module specifically for global vars and it works!
– Fandango68
Sep 27 '19 at 4:23
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Locking pattern for proper use of .NET MemoryCache
...get one instance of the Lazy object, and so you're also guaranteed to only call the expensive initialization method once.
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