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Should I use an exception specifier in C++?
...nerates a core dump. How is this worse than an unhandled exception? (which does basically the same thing)
– Greg Rogers
Sep 18 '08 at 13:48
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How to check if a file is empty in Bash?
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Surely this will fail if the file does not exist either? This is supposed to be a check if the file is empty only.
– geedoubleya
Oct 5 '17 at 11:31
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Does return stop a loop?
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does that look fine now?
– user1179299
May 31 '17 at 14:47
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Delete directory with files in it?
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Your second implementation is somewhat dangerous: it doesn't check for dots (. and ..) and it deletes the resolved path, not the actual one.
– Alix Axel
Jun 1 '11 at 7:53
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Does free(ptr) where ptr is NULL corrupt memory?
... Please note that although the C standard says it is a no-op, that doesn't mean that every C-library handles it like that. I've seen crashes for free(NULL), so it's best to avoid calling the free in the first place.
– Derick
Jan 24 '13 at 9:43
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Why does make think the target is up to date?
...an page.
You can also pass the -B flag to make. As per the man page, this does:
-B, --always-make Unconditionally make all targets.
So make -B test would solve your problem if you were in a situation where you don't want to edit the Makefile or change the name of your test folder.
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Looking to understand the iOS UIViewController lifecycle
...on is not set.
Called when the view is about to made visible. Default does nothing.
5. viewWillLayoutSubviews
This is the first step in the lifecycle where the bounds are finalised. If you are not using constraints or Auto Layout you probably want to update the subviews here. This is only av...
How exactly does the callstack work?
...mization level > 0 if and only if debugging is still possible, since it doesn't have any costs apart from that.
For further information see here and here.
1 As pointed out in the comments, the frame pointer is presumably meant to point to the address after the return address.
2 Note that the ...
What does $.when.apply($, someArray) do?
...ng across $.when.apply($, someArray) . I'm a little unclear on what this does exactly, looking for an explanation that one line works exactly (not the entire code snippet). Here's some context:
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What does “async: false” do in jQuery.ajax()?
Specifically, how does it differ from the default ( async: true ) ?
7 Answers
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