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How to validate an email address in PHP
...\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1...
Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
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MATLAB's FOR loop is static in nature; you cannot modify the loop variable between iterations, ...
In Java, what is the best way to determine the size of an object?
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470
You can use the java.lang.instrument package
Compile and put this class in a JAR:
import jav...
What is the memory consumption of an object in Java?
... example, the JVM or native compiler might decide to store a boolean[] in 64-bit long chunks like a BitSet. It does not have to tell you, so long as the program gives the same answers.
It might allocate some temporary Objects on the stack.
It may optimize some variables or method calls to...
Cannot find JavaScriptSerializer in .Net 4.0
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Check if you included the .net 4 version of System.Web.Extensions - there's a 3.5 version as well, but I don't think that one works.
These steps work for me:
Create a new console application
Change the target to .net 4 instead of Client Profile
Add a re...
Regex Last occurrence?
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answered Dec 4 '11 at 11:30
stemastema
75.9k1616 gold badges8686 silver badges116116 bronze badges
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Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
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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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Difference between a “coroutine” and a “thread”?
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edited May 15 '17 at 19:24
I159
21.9k2626 gold badges8585 silver badges120120 bronze badges
answered De...