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Test if string is a guid without throwing exceptions?
...sid);
}
}
Bottom line: If you need to check if a string is a guid, and you care about performance, use COM Interop.
If you need to convert a guid in String representation to a Guid, use
new Guid(someString);
shar...
How can I initialize an ArrayList with all zeroes in Java?
...mber of elements it can hold before it needs to resize its internal array (and has nothing to do with the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to cre...
What are the differences between JSON and JSONP?
Format wise, file type wise and practical use wise?
8 Answers
8
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Fade In Fade Out Android Animation in Java
... to have a 2 second animation of an ImageView that spends 1000ms fading in and then 1000ms fading out.
11 Answers
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How do you test to see if a double is equal to NaN?
I have a double in Java and I want to check if it is NaN .
What is the best way to do this?
7 Answers
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Datatable vs Dataset
...able objects, you can return multiple distinct sets of data into a single, and therefore more manageable, object.
Performance-wise, you're more likely to get inefficiency from unoptimized queries than from the "wrong" choice of .NET construct. At least, that's been my experience.
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Creating an instance using the class name and calling constructor
...to create an instance of a particular class given the class name (dynamic) and pass parameters to its constructor.
10 Answe...
C++ catch blocks - catch exception by value or reference? [duplicate]
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The standard practice for exceptions in C++ is ...
Throw by value, catch by reference
Catching by value is problematic in the face of inheritance hierarchies. Suppose for your example that there is another type MyException w...
Your project contains error(s), please fix it before running it
I am developing a simple Android application. But when I run Eclipse, it shows the following error:
26 Answers
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How do I know if a generator is empty from the start?
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Oh, and for reference, I tried implementing my own "fancy decorator" suggestion. HARD. Apparently copy.deepcopy doesn't work on generators.
– David Berger
Mar 19 '09 at 19:50
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