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How to select bottom most rows?
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answered Dec 9 '09 at 20:23
Tom HTom H
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DataTrigger where value is NOT null?
I know that I can make a setter that checks to see if a value is NULL and do something. Example:
12 Answers
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R memory management / cannot allocate vector of size n Mb
I am running into issues trying to use large objects in R. For example:
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equals vs Arrays.equals in Java
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array1.equals(array2) is the same as array1 == array2, i.e. is it the same array. As @alf points out it's not what most people expect.
Arrays.equals(array1, array2) compares the contents of the arrays.
Similarly array.toString() may not be ver...
jQuery: Return data after ajax call success [duplicate]
I have something like this, where it is a simple call to a script that gives me back a value, a string..
5 Answers
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Strangest language feature
What is, in your opinion, the most surprising, weird, strange or really "WTF" language feature you have encountered?
320 An...
Why does Android use Java? [closed]
OK, this should really be asked to someone from Google, but I just want other opinions.
9 Answers
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Unicode equivalents for \w and \b in Java regular expressions?
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Source code
The source code for the rewriting functions I discuss below is available here.
Update in Java 7
Sun’s updated Pattern class for JDK7 has a marvelous new flag, UNICODE_CHARACTER_CLASS, which makes everything work right again. It’s available as an embeddable (?U) for ...
What are the use cases for selecting CHAR over VARCHAR in SQL?
I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe.
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Mutable vs immutable objects
...d) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
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