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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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Google Maps: Auto close open InfoWindows?
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answered Feb 8 '10 at 18:54
Chris BChris B
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Variable name as a string in Javascript
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karim79karim79
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Looking for simple Java in-memory cache [closed]
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answered Mar 25 '13 at 16:02
sanitysanity
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How to get the unique ID of an object which overrides hashCode()?
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10 Answers
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
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10 Answers
10
Active
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How to add a downloaded .box file to Vagrant?
.../mybox.box ?
– Rakib
Sep 15 '15 at 10:53
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Using DISTINCT and COUNT together in a MySQL Query
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edited Sep 8 '14 at 10:19
user3414693
answered Jun 16 '09 at 15:47
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