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Extract digits from a string in Java
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Using Google Guava:
CharMatcher.inRange('0','9').retainFrom("123-456-789")
UPDATE:
Using Precomputed CharMatcher can further improve performance
CharMatcher ASCII_DIGITS=CharMatcher.inRange('0','9').precomputed();
ASCII_DIGI...
Why would iterating over a List be faster than indexing through it?
...itten counted loop is about 3x faster
source: Designing for Performance, Google's Android doc
Note that the handwritten loop refers to the indexed iteration. I suspect its because of the iterator which is used with enhanced for loops. It produces a minor performance in penalty in a structure whic...
What is the best open-source java charting library? (other than jfreechart) [closed]
... enables developers to programmatically create the charts available in the Google Chart API through a straightforward and intuitive Java API.
Disclaimer: I wrote charts4j. We will be doing another major release in the next few weeks.
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Best way to add Activity to an Android project in Eclipse?
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An easy method suggested by Google Android Developer Community.
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How to open link in new tab on html?
...al" is perfectly valid
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$('a[rel="external"]').attr('target', '_blank');
</script>
and for Jquery can try with the below one:
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How to replace DOM element in place using Javascript?
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Try using Google's Closure or another transpiler to convert to ES5. You shouldn't be writing old code based on browser support, if you have a better, more maintainable option
– Gibolt
Jan 12 '17 a...
Command-line Tool to find Java Heap Size and Memory Used (Linux)?
... Yet, it is a very helpful answer for me coming to this page via google search on how to find the global heap size.
– Johan
Jan 25 '18 at 13:53
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PDOException “could not find driver”
...ts regardless of their db platform. As a result, this page has THE highest google search rank if you google just the error. Therefore, IMO, any answer to this question relevant to other databases should be welcome here. If they don't work for the OP, so be it...OP doesn't have to accept those answer...
Is there an easy way to convert jquery code to javascript? [closed]
...r some things. (which is why libraries were invented in the first place).
Googling for "javascript DOM traversing/manipulation" should present you with plenty of helpful (and some less helpful) resources.
The articles on this website are pretty good: http://www.htmlgoodies.com/primers/jsp/
And as...
Clear file cache to repeat performance testing
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A quick googling gives these options for Linux
Unmount and mount the partition holding the files
sync && echo 1 > /proc/sys/vm/drop_caches
shar...