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How do I check that a Java String is not all whitespaces?
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Shortest solution I can think of:
if (string.trim().length() > 0) ...
This only checks for (non) white space. If you want to check for particular character classes, you need to use the mighty match() with a regexp such as:
if (string.matches(".*\\w.*")) ...
...which checks for at le...
How to draw circle in html page?
...h/height of the circle you want to make.
#circle {
width: 50px;
height: 50px;
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
background: red;
}
<div id="circle"></div>
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Variable name as a string in Javascript
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karim79karim79
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Must Dependency Injection come at the expense of Encapsulation?
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answered Nov 26 '09 at 0:11
Nicholas BlumhardtNicholas Blumhardt
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How to put a new line into a wpf TextBlock control?
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10 Answers
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Html helper for
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208
HTML Upload File ASP MVC 3.
Model: (Note that FileExtensionsAttribute is available in MvcFutur...
How to sort a list of strings?
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skolima
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answered Aug 30 '08 at 17:10
Eli CourtwrightEli Courtwright
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“File not found” when running new LibGDX project
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230
From libgdx wiki
When you run Desktop Project
The application will fail the first time. Op...
How does password salt help against a rainbow table attack?
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