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throwing exceptions out of a destructor
...tic approximation of finally, see the various scope_guard implementations. Nowadays, with the machinery in place (even in the standard, is it C++14?) to detect whether the dtor is allowed to throw, it can even be made totally safe.
– Martin Ba
Dec 1 '15 at 11:0...
How do you make a HTTP request with C++?
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Update 2020: I have a new answer that replaces this, now 8-years-old, one: https://stackoverflow.com/a/61177330/278976
On Linux, I tried cpp-netlib, libcurl, curlpp, urdl, boost::asio and considered Qt (but turned it down based on the license). All of these were either incompl...
Explicitly calling return in a function or not
...l was originally asking (why explicit return is bad). And I would like to know right (the one right for anyone) answer as well :). Do you consider to provide your explanation for users of this site?
– Petr Matousu
Mar 30 '17 at 8:53
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How to save picture to iPhone photo library?
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You will now need to add 'Privacy - Photo Library Additions Usage Description' as of iOS 11 to save photos the users album.
– horsejockey
Nov 1 '17 at 15:26
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git - pulling from specific branch
... a git repository to my dev server and then switched to the dev branch but now I can't do a git pull to update the branch.
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How do I remove an item from a stl vector with a certain value?
...ontainer_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
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Ajax request returns 200 OK, but an error event is fired instead of success
...am using Asp.net with C#. This solved my issue but can please also let me know this thing also.
– Pankaj Mishra
May 31 '11 at 11:37
1
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File Explorer in Android Studio
... Good one and up to date. Should probably be marked as the correct one now.
– CarlosGoncalves
Oct 24 '17 at 23:45
1
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Multiple constructors in python? [duplicate]
...d
def fromfilename(cls, name):
return cls(open(name, 'rb'))
# Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations...
Why does modern Perl avoid UTF-8 by default?
...ded as UTF‑8. Although once upon a time this pragma did other things, it now serves this one singular purpose alone and no other:
use utf8;
Declare that anything that opens a filehandle within this lexical scope but not elsewhere is to assume that that stream is encoded in UTF‑8 unless you tel...