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How do I check that a Java String is not all whitespaces?
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@Andreas_D: Heh, I got my orders! The OP said he wanted to check a string or char array, he never said anything about nulls! :) *checks the fine print in the contract* "null is not a string!"
– Carl Smotr...
Trim a string based on the string length
...nts, or (worse) truncate in the middle of a surrogate pair. On the other hand, String.length() is no longer an ideal measure of Unicode text length, so trimming based on it may be the wrong thing to do.
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Add a new line in file?
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Check that you have "\n" and not '\n'
– Marklar
Dec 19 '12 at 11:12
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Code signing certificate for open-source projects?
I want to publish one of my applications as open-source and want to digitally sign the binaries I've created with my own certificate. (Of course, anyone else can just download the code and build it themselves with their own certificate.) I want to do this so anyone can check that this build was made...
How do I get the directory from a file's full path?
... relative name, use new FileInfo(path).Directory.FullName.
Note that Path and FileInfo are both found in the namespace System.IO.
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How to change the DataTable Column Name?
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I just tried this solution now and it works fine - it did not do any changes or wipe out the underlying column data. Maybe something else is happening in your code...
– AshesToAshes
Aug 15 '13 at 15:25
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Getting the max value of an enum
... If you're going to use LINQ, why not use Max(), which is much clearer, and doesn't rely on "seems to"?
– Marc Gravell♦
Oct 15 '08 at 5:51
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What is choice_set in this Django app tutorial?
... automatically, or if you have more than one foreign key to the same model and need to distinguish them, you can choose your own overriding name using the related_name argument to ForeignKey.
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“Find next” in Vim
...e cursor jumps to the first match when I press return. Is there a Vim command analogous to "find next"?
7 Answers
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How can I create a border around an Android LinearLayout?
I have one big layout, and one smaller layout inside of it.
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