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Should I index a bit field in SQL Server?
...low number of distinct values) is not really worth doing. I admit I don't know enough about how indexes work to understand why that is.
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Or versus OrElse
...is definitely true - so we don't need to evaluate the second term.
OrElse knows this, so doesn't try and evaluate temp = 0 once it's established that temp Is DBNull.Value
Or doesn't know this, and will always attempt to evaluate both terms. When temp Is DBNull.Value, it can't be compared to zero, ...
Haskell composition (.) vs F#'s pipe forward operator (|>)
... the the pipe-forward operator, |> , is pretty common. However, in Haskell I've only ever seen function composition, (.) , being used. I understand that they are related , but is there a language reason that pipe-forward isn't used in Haskell or is it something else?
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When to use NSInteger vs. int
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You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick wit...
How to get the class of the clicked element?
I can't figure it out how to get the class value of the clicked element.
6 Answers
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Which MySQL data type to use for storing boolean values
... edited Aug 24 at 6:35
flow2k
2,0901818 silver badges3131 bronze badges
answered Nov 14 '08 at 10:50
marku...
Performance of Java matrix math libraries? [closed]
...s.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time taken was again around 4 seconds as JBL...
Find out what process registered a global hotkey? (Windows API)
... offer an API function to tell what application has registered a global hotkey (via RegisterHotkey). I can only find out that a hotkey is registered if RegisterHotkey returns false, but not who "owns" the hotkey.
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How to append text to an existing file in Java?
...re several libraries for this. Two of the most popular are Log4j and Logback.
Java 7+
If you just need to do this one time, the Files class makes this easy:
try {
Files.write(Paths.get("myfile.txt"), "the text".getBytes(), StandardOpenOption.APPEND);
}catch (IOException e) {
//exception h...
Sorting an ArrayList of objects using a custom sorting order
I am looking to implement a sort feature for my address book application.
11 Answers
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