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How to remove leading zeros from alphanumeric text?
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Regex is the best tool for the job; what it should be depends on the problem specification. The following removes leading zeroes, but leaves one if necessary (i.e. it wouldn't just turn "0" to a blank string).
s.replaceFirst("^0+(?!$)", "")
The ^ anchor will make...
How can I change or remove HTML5 form validation default error messages?
...nly numbers are required and length of value must be 10. When I try to submit form with value which length is 5, the default error message appears: Please match the requested format
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Xcode stuck on Indexing
...he project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
34 Answ...
Where does Chrome store extensions?
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Storage Location for Unpacked Extensions
Extension engine does not explicitly change their location or add a reference to its local paths, they are left in the place where there are selected from in all Operating Systems.
Ex: If i load a unpacked Extension from E:\Chrome Extension the unpacked Ex...
How do I share IntelliJ Run/Debug configurations between projects?
...to do this is to click the "share" checkmark next to Name field when you edit/create the configuration. You can get to this Dialog with Run > Edit Configurations.
The share check-mark pulls the setting out of your workspace.xml and instead puts it in the directory .idea\runConfigurations. This...
Static fields on a null reference in Java
...tic members ( static fields or static methods) in Java are associated with their respective class rather than the objects of this class. The following code attempts to access a static field on a null reference.
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Failed to load c++ bson extension
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edited May 17 '15 at 21:21
Neuquino
9,0201818 gold badges5454 silver badges7272 bronze badges
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What does the “@” symbol mean in reference to lists in Haskell?
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Yes, it's just syntactic sugar, with @ read aloud as "as". ps@(p:pt) gives you names for
the list: ps
the list's head : p
the list's tail: pt
Without the @, you'd have to choose between (1) or (2):(3).
This syntax actuall...
Using jQuery to compare two arrays of Javascript objects
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edited Mar 29 '18 at 21:14
Chris Porter
3,3772323 silver badges2828 bronze badges
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Conditional import of modules in Python
...on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following?
3 Answers
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