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Fast way to get image dimensions (not filesize)

I'm looking for a fast way to get the height and width of an image in pixels. It should handle at least JPG, PNG and TIFF, but the more the better. I emphasize fast because my images are quite big (up to 250 MB) and it takes soooo long to get the size with ImageMagick's identify because it obv...
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How to find the key of the largest value hash?

I have the following hash {"CA"=>2, "MI"=>1, "NY"=>1} 7 Answers 7 ...
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Swift - How to convert String to Double

I'm trying to write a BMI program in swift language. And I got this problem: how to convert a String to a Double? 29 Answer...
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Visual Studio setup problem - 'A problem has been encountered while loading the setup components. Ca

... error 'A problem has been encountered while loading the setup components. Canceling setup.' whenever I try to uninstall, reinstall or repair Visual Studio 2008 (team system version). If I can't resolve this issue I have no choice but to completely wipe my computer and start again which will take al...
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WiX tricks and tips

...er = "ProgramFilesFolder" ?> <?endif ?> Store the installation location in the registry, enabling upgrades to find the correct location. For example, if a user sets custom install directory. <Property Id="INSTALLLOCATION"> <RegistrySearch Id="RegistrySearch" Type="raw" Root...
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@import vs #import - iOS 7

I am playing around with some of the new iOS 7 features and working with some of the Image Effects as discussed in the WWDC video "Implementing Engaging UI on iOS". For producing a blur effect within the source code for the session, UIImage was extended via a category which imports UIKit like so: ...
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angularjs directive call function specified in attribute and pass an argument to it

I want to create a directive that links to an attribute. The attribute specifies the function that should be called on the scope. But I also want to pass an argument to the function that is determined inside the link function. ...
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How can you profile a Python script?

Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ . ...
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What is the difference between 'typedef' and 'using' in C++11?

I know that in C++11 we can now use using to write type alias, like typedef s: 7 Answers ...
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Anatomy of a “Memory Leak”

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