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Can I have multiple :before pseudo-elements for the same element?

...pseudo-element at any time. (This means an element can have both a :before and an :after pseudo-element — it just cannot have more than one of each kind.) As a result, when you have multiple :before rules matching the same element, they will all cascade and apply to a single :before pseudo-elemen...
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Is there a replacement for unistd.h for Windows (Visual C)?

...n't exist. Removing it, I get complaints about misssing prototypes for 'srandom', 'random', and 'getopt'. I know I can replace the random functions, and I'm pretty sure I can find/hack-up a getopt implementation. ...
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SET versus SELECT when assigning variables?

What are the differences between the SET and SELECT statements when assigning variables in T-SQL? 4 Answers ...
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Given an emacs command name, how would you find key-bindings ? (and vice versa)

If I know an emacs command name, says, "goto-line"; what if I want to query whether if there are any key-sequences bound to this command ? ...
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Memory management in Qt?

I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically? ...
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Detect Chrome extension first run / update

... I used this code for a while and it worked great, until my extension requested a new permission on an update (which suspends the extension until the user accepts the permission). When the permission was accepted and the extension was unsuspended, the onI...
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What is the difference between loose coupling and tight coupling in the object oriented paradigm?

Can any one describe the exact difference between loose coupling and tight coupling in Object oriented paradigm? 16 Answers...
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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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MySQL foreign key constraints, cascade delete

I want to use foreign keys to keep the integrity and avoid orphans (I already use innoDB). 3 Answers ...
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Get integer value from string in swift

So I can do this: 12 Answers 12 ...