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What are the minimum margins most printers can handle?

...imizing real estate is a must but at the same time ensuring users printers can handle the tight margins is a must. 5 Answe...
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How to use Git properly with Xcode?

... I have worked on iPhone applications full time since the SDK launch, most of that time spent working on teams with multiple developers. The truth is that it's way more harmful to disallow merging of that .pbxproj file than it is helpful. As you say, wh...
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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?

I want to refresh my memory on the conditions under which a compiler typically auto generates a default constructor, copy constructor and assignment operator. ...
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What is the >>>= operator in C?

Given by a colleague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???" ...
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Checking images for similarity with OpenCV

...mparison of two images, returning some value (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different. ...
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Can I 'git commit' a file and ignore its content changes?

Every developer on my team has their own local configuration. That configuration information is stored in a file called devtargets.rb which is used in our rake build tasks. I don't want developers to clobber each other's devtargets file, though. ...
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Local variables in nested functions

... an index to reference each cell. pet_function thus has one free variable (cage) which is then referenced via a closure cell, index 0. The closure itself points to the local variable cage in the get_petters function. When you actually call the function, that closure is then used to look at the valu...
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Composer: how can I install another dependency without updating old ones?

... constraint to use, install the package, and add it to composer.lock. You can also specify an explicit version constraint by running: composer require new/package ~2.5 –OR– Using the update command, add the new package manually to composer.json, then run: composer update new/package I...
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CSS content property: is it possible to insert HTML instead of Text?

... @ludicco: That's because the images themselves aren't DOM elements (not counting <img>), they're just being drawn onto existing elements, so by applying background or list images you're not really modifying the DOM. –...
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What's the difference between using CGFloat and float?

...weichsel stated, CGFloat is just a typedef for either float or double. You can see for yourself by Command-double-clicking on "CGFloat" in Xcode — it will jump to the CGBase.h header where the typedef is defined. The same approach is used for NSInteger and NSUInteger as well. These types were int...