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Regex doesn't work in String.matches()
...as lowercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [a-z]+. Or use ^[a-z]+$ and .find().
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How can I run code on a background thread on Android?
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Why wouldn't you use the following which is more lightweight: new Thread(new Runnable() { @Override public void run() { // background code } }).start();
– awardak
May 13 ...
HTTP Error 503, the service is unavailable
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How to change the ROOT application?
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auto-deploy mechanisms, and Tomcat will not deploy your applications anymore
unless it finds their Context in the server.xml.
second method: in order to make any change to any
application, you will have to stop and restart Tomcat.
Place your WAR file outside of $CATALINA_BASE/webapps (it m...
Android studio: new project vs new module
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Creating a new project in Android does not looks more like an app with manifest / res / and src - as apposed to a "workspace". When creating a Module, two o the types offered are 1) application module and 2) android library module. #1 seems redundant to "new project"...
How to kill a process on a port on ubuntu
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CSS does the width include the padding?
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IE used to use the more-convenient-but-non-standard "border-box" box model. In this model, the width of an element includes the padding and borders. For example:
#foo { width: 10em; padding: 2em; border: 1em; }
would be 10em wide.
In contrast, ...
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
...an implementation with one mutex (blocking) while the ConcurrentHashMap is more complex to deal with concurrent access
– Vinze
Feb 4 '09 at 9:36
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How to trigger event in JavaScript?
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
...ess it is getting deprecated and superseded by unique_ptr with clearer and more powerful semantics.
– UncleBens
May 2 '10 at 10:47
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