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Close virtual keyboard on button press
... CAUTION: Throws NPE if keyboard is already hidden. Follow Peter's comment to avoid this.
– Don Larynx
May 21 '15 at 8:47
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iPhone Simulator suddenly started running very slow
...e wrong. Do you have a version of the source from before it slowed down to compare to the source now? What has changed between when it was fast and now?
– Metabble
Mar 11 '13 at 21:18
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Query to count the number of tables I have in MySQL
... the number of tables I have and I am sometimes curious just to do a quick command line query to count the number of tables in my database. Is that possible? If so, what is the query?
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Get index of selected option with jQuery
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96
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Block Comments in Clojure
How do I comment multiple lines in Clojure?
9 Answers
9
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PHP - iterate on string characters
...nt overhead (4bytes IIRC). Skip that, it is 'quite' way more: nikic.github.com/2011/12/12/…
– Daan Timmer
Nov 15 '12 at 8:27
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How to extract a substring using regex
...a = "some string with 'the data i want' inside";
Pattern pattern = Pattern.compile("'(.*?)'");
Matcher matcher = pattern.matcher(mydata);
if (matcher.find())
{
System.out.println(matcher.group(1));
}
Result:
the data i want
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
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Culprit: False Data Dependency (and the compiler isn't even aware of it)
On Sandy/Ivy Bridge and Haswell processors, the instruction:
popcnt src, dest
appears to have a false dependency on the destination register dest. Even though the instruction only writes ...
get CSS rule's percentage value in jQuery
...to be clear, this doesn't tell you the value in your style, it gives you a computed value
– Anthony Johnston
Feb 4 '11 at 13:04
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