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Is there a performance difference between i++ and ++i in C++?
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What the compiler can avoid is the second copy to return tmp, by allocating tmp in the caller, through NRVO, as mentioned by another comment.
– Blaisorblade
Jan 15 '09 at 0:13
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pull out p-values and r-squared from a linear regression
...Edit: I had misread Chase's answer which basically tells you how to get to what I give here.
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Getting all selected checkboxes in an array
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and what to do if uncheck check box, to remove value from array
– Jubin Patel
Jun 7 '13 at 10:38
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JavaScript private methods
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@changed what is the best compromise to have hidden functions (un-callable from outside), nice sintax (no .call) and small memory (no functions on the instance) ? Does that even exist ?
– Ciprian Tomoiagă
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SQLite table constraint - unique on multiple columns
...lumn, but I want to add a constraint to the table on two columns. This is what I have that is causing an SQLiteException with the message "syntax error".
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Maintain model of scope when changing between views in AngularJS
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I took a bit of time to work out what is the best way of doing this. I also wanted to keep the state, when the user leaves the page and then presses the back button, to get back to the old page; and not just put all my data into the rootscope.
The final res...
How to enter quotes in a Java string?
...our comment after Ian Henry's answer, I'm not quite 100% sure I understand what you are asking.
If it is about getting double quote marks added into a string, you can concatenate the double quotes into your string, for example:
String theFirst = "Java Programming";
String ROM = "\"" + theFirst + "...
Get the (last part of) current directory name in C#
...nity No, it will return the directory name, but it probably is not exactly what the question was about.
– Jakob Möllås
May 16 '11 at 13:47
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Dependency Inject (DI) “friendly” library
...meCreationService or IExtenderProviderService. You don't even really know what what the concrete classes are. .NET actually has its own IoC container, IContainer, which gets used for this, and the Component class has a GetService method which is the actual service locator. Of course, nothing prev...
All combinations of a list of lists
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@Reman It's not entirely clear what you want to get but if it is, for example, also the reverse of each tuple you can use a a wrapper function that takes a as input, iterates over itertools.product(*a) and yields both the tuple produced by itertools and a ...