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Does a const reference class member prolong the life of a temporary?
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The lifetime extension is not transitive through a function argument. §12.2/5 [class.temporary]:
The second context is when a reference is bound to a temporary. The temporary to which the reference is bound or the temporary that is the complete object to a subobject of which the temporary is ...
How to check if a particular service is running on Ubuntu
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edited Dec 26 '16 at 22:35
Lando
71566 silver badges2929 bronze badges
answered Sep 10 '1...
Search and replace a line in a file in Python
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200
I guess something like this should do it. It basically writes the content to a new file and re...
How to know the size of the string in bytes?
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132
You can use encoding like ASCII to get a character per byte by using the System.Text.Encoding cl...
Is there any way to git checkout previous branch?
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1282
From the release notes for 1.6.2
@{-1} is a way to refer to the last branch you were on. ...
Linq to Entities - SQL “IN” clause
...here" with "FindAll" and get the same result, which will also work in .NET 2.0:
foreach(User u in users.FindAll(u => new [] { "Admin", "User", "Limited" }.Contains(u.User_Rights)))
{
//Do stuff on each selected user;
}
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How to edit log message already committed in Subversion?
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edited Feb 24 '11 at 11:32
TheJuice
4,26422 gold badges2323 silver badges3434 bronze badges
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How to add a custom loglevel to Python's logging facility
...If you look at the code for class Logger in logging.__init__.py for Python 2.7, this is what all the standard log functions do (.critical, .debug, etc.).
I apparently can't post replies to others' answers for lack of reputation... hopefully Eric will update his post if he sees this. =)
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How to create a video from images with FFmpeg?
...ead of -r for the output framerate
ffmpeg -r 1/5 -i img%03d.png -c:v libx264 -vf fps=25 -pix_fmt yuv420p out.mp4
Alternatively the format video filter can be added to the filter chain to replace -pix_fmt yuv420p like "fps=25,format=yuv420p". The advantage of this method is that you can contro...
Difference between string object and string literal [duplicate]
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When you use a string literal the string can be interned, but when you use new String("...") y...