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How to change border color of textarea on :focus
... change border color of TEXTAREA on focus. but my code doesn't seem to working properly.
5 Answers
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Why doesn't Java Map extend Collection?
...doesn't Map extend Collection?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
the Collection interface (or vice
versa).
If a Map is a Collection, what are the
elements? The only reaso...
How can I get the list of files in a directory using C or C++?
How can I determine the list of files in a directory from inside my C or C++ code?
26 Answers
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Unique combination of all elements from two (or more) vectors
I am trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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@NotNull is a JSR 303 Bean Validation annotation. It has nothing to do with database constraints itself. As Hibernate is the reference implementation of JSR 303, however, it intelligently picks up on these constraints and translates them into database constraints for you, so you get tw...
What is the difference between Numpy's array() and asarray() functions?
... rather than the other? They seem to generate identical output for all the inputs I can think of.
6 Answers
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How do i instantiate a JAXBElement object?
I need to create one of these as the interface requires it...can someone please let me know how to create one, as there doesnt seem to be a c'tor defined?
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Detect Chrome extension first run / update
How can an extension find out that it is being run for the first time or has just been updated, so that the extension can perform some specific actions? (e.g. open a help page or update settings)
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SSL is not enabled on the server
Trying to communicate with a postgres database with go, preparing the statement like this:
5 Answers
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Given an RGB value, how do I create a tint (or shade)?
Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
3...