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C++ new int[0] — will it allocate memory?
... 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the space requested [by new] is zero, the request can fail.
That means you can do it, but you can not legally (in a well defined manner across all platforms) derefe...
Check substring exists in a string in C
... strstr returns a pointer; I like being explicit when I test for pointers.
– nneonneo
Oct 8 '12 at 15:31
3
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Is there a way to list pip dependencies/requirements?
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The accepted answer is no longer relevant for more current versions of pip and does not give an immediate answer without perusing multiple comments so I am providing an updated answer.
This was tested with pip versions 8.1.2, 9.0.1, 10.0.1, and 18.1.
To get the out...
Minimal web server using netcat
...al web server using netcat (nc). When the browser calls up localhost:1500, for instance, it should show the result of a function ( date in the example below, but eventually it'll be a python or c program that yields some data).
My little netcat web server needs to be a while true loop in bash, poss...
parseInt vs unary plus, when to use which?
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#Please see this answer for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
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Intelligent point label placement in R
...them around with my mouse until they looked good. Then I exported to a PNG for uploading to SO.)
Now, before you succumb to the strong urge to down vote this into oblivion and leave snarky comments about how the point is to automate this process, hear me out!
Looking for algorithmic solutions is t...
Trees in Twitter Bootstrap [closed]
...a directory tree) that uses as much CSS and as little JS as possible (only for states, etc), and I want to know if there are some good existing tree plugins for bootstrap or jquery-ui bootstrap .
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Regular expression that matches valid IPv6 addresses
...ion that matches valid IPv6 addresses, including those in their compressed form (with :: or leading zeros omitted from each byte pair).
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Check if a string contains a string in C++
...h method to do all the common string operation". But there's a find method for exactly the task in question. No need to introduce a library dependency.
– stefan
Jun 23 '14 at 6:35
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Get exit code of a background process
I have a command CMD called from my main bourne shell script that takes forever.
12 Answers
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