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Does a const reference class member prolong the life of a temporary?

... 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 ...
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How to check if a particular service is running on Ubuntu

... | edited Dec 26 '16 at 22:35 Lando 71566 silver badges2929 bronze badges answered Sep 10 '1...
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Search and replace a line in a file in Python

... 200 I guess something like this should do it. It basically writes the content to a new file and re...
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How to know the size of the string in bytes?

... 132 You can use encoding like ASCII to get a character per byte by using the System.Text.Encoding cl...
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Is there any way to git checkout previous branch?

... 1282 From the release notes for 1.6.2 @{-1} is a way to refer to the last branch you were on. ...
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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?

... | 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...
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Difference between string object and string literal [duplicate]

... 208 When you use a string literal the string can be interned, but when you use new String("...") y...