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Why is it wrong to use std::auto_ptr with standard containers?

...logically independent. std::auto_ptr does not fulfill this requirement. Take for example this code: class X { }; std::vector<std::auto_ptr<X> > vecX; vecX.push_back(new X); std::auto_ptr<X> pX = vecX[0]; // vecX[0] is assigned NULL. To overcome this limitation, you should us...
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Is it possible to perform a 'grep search' in all the branches of a Git project?

...d about the argument size, so if you run into this problem, do something like: git rev-list --all | (while read rev; do git grep -e <regexp> $rev; done) (see an alternative in the last section of this answer, below) Don't forget those settings, if you want them: # Allow Extended Regular ...
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Simple regular expression for a decimal with a precision of 2

... Valid regex tokens vary by implementation. A generic form is: [0-9]+(\.[0-9][0-9]?)? More compact: \d+(\.\d{1,2})? Both assume that both have at least one digit before and one after the decimal place. To require that the whole strin...
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How to add a right button to a UINavigationController?

...d it still might be quite a while before it displays, no point in doing work early and tying up memory. - (void)viewDidLoad { [super viewDidLoad]; UIBarButtonItem *anotherButton = [[UIBarButtonItem alloc] initWithTitle:@"Show" style:UIBarButtonItemStylePlain target:self action:@selector(refres...
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Is there a better way to iterate over two lists, getting one element from each list for each iterati

... Roberto BonvalletRoberto Bonvallet 25.9k55 gold badges3737 silver badges5555 bronze badges ...
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Revert the `--no-site-packages` option with virtualenv

I have created a virtualenv using the --no-site-packages option and installed lots of libraries. Now I would like to revert the --no-site-packages option and use also the global packages. ...
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How do I remove  from the beginning of a file?

I have a CSS file that looks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it:  ...
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Saving image from PHP URL

... Andrew 185k180180 gold badges481481 silver badges665665 bronze badges answered Apr 7 '09 at 7:15 vartecvartec ...
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Calling dynamic function with dynamic number of parameters [duplicate]

I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this: ...
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What's Up with Logging in Java? [closed]

Why one would use one of the following packages instead of the other? 8 Answers 8 ...