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Conveniently map between enum and int / String
...t(byte num) {
return map.get(num);
}
}
This solution is nice and doesn't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
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filters on ng-model in an input
I have a text input and I don't want to allow users to use spaces, and everything typed will be turned into lowercase.
8 An...
Most efficient way to increment a Map value in Java
...ood answers to this question--thanks folks--so I decided to run some tests and figure out which method is actually fastest. The five methods I tested are these:
the "ContainsKey" method that I presented in the question
the "TestForNull" method suggested by Aleksandar Dimitrov
the "AtomicLong" meth...
How can I add numbers in a Bash script?
I have this Bash script and I had a problem in line 16.
How can I take the previous result of line 15 and add
it to the variable in line 16?
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Safely override C++ virtual functions
I have a base class with a virtual function and I want to override that function in a derived class. Is there some way to make the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures ...
What does “O(1) access time” mean?
...een this term "O(1) access time" used to mean "quickly" but I don't understand what it means. The other term that I see with it in the same context is "O(n) access time". Could someone please explain in a simple way what these terms mean?
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android get real path by Uri.getPath()
...ssary for you to get a physical path?
For example, ImageView.setImageURI() and ContentResolver.openInputStream() allow you to access the contents of a file without knowing its real path.
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Choose between ExecutorService's submit and ExecutorService's execute
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There is a difference concerning exception/error handling.
A task queued with execute() that generates some Throwable will cause the UncaughtExceptionHandler for the Thread running the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Thro...
How do I change the data type for a column in MySQL?
... edited Jul 24 at 20:09
evandrix
5,36333 gold badges2525 silver badges3232 bronze badges
answered Aug 31 '09 at 10:46
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CSS: how do I create a gap between rows in a table?
...;
border-spacing: 0 1em;
}
That assumes you want a 1em vertical gap, and no horizontal gap. If you're doing this, you should probably also look at controlling your line-height.
Sort of weird that some of the answers people gave involve border-collapse: collapse, whose effect is the exact opp...