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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
Can someone explain to me in detail when I must use each attribute: nonatomic , copy , strong , weak , and so on, for a declared property, and explain what each does? Some sort of example would be great also. I am using ARC.
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Checking images for similarity with OpenCV
Does OpenCV support the comparison 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
Okay, bear with me on this, I know it's going to look horribly convoluted, but please help me understand what's happening.
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CSS content property: is it possible to insert HTML instead of Text?
Just wondering if it's possible somehow to make the CSS content property insert html code instead string on :before or :after an element like:
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Difference between WebStorm and PHPStorm
I'm choosing an IDE for web development and I would like to know what the differences between WebStorm and PHPStorm are.
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What does the 'standalone' directive mean in XML?
What does the ' standalone ' directive mean in an XML document?
5 Answers
5
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When should Flask.g be used?
I saw that g will move from the request context to the app context in Flask 0.10, which made me confused about the intended use of g .
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What is NODE_ENV and how to use it in Express?
This is my the app, I'm currently running on production.
4 Answers
4
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Does PostgreSQL support “accent insensitive” collations?
In Microsoft SQL Server, it's possible to specify an "accent insensitive" collation (for a database, table or column), which means that it's possible for a query like
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