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Validate that a string is a positive integer

...ng(n) === str && n >= 0; } or if you want to allow whitespace and leading zeros: function isNormalInteger(str) { str = str.trim(); if (!str) { return false; } str = str.replace(/^0+/, "") || "0"; var n = Math.floor(Number(str)); return n !== Infinity &am...
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svn cleanup: sqlite: database disk image is malformed

... do a svn cleanup because I can't commit the changes in my working copy, and I got the following error: 17 Answers ...
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What is the meaning of #XXX in code comments?

...have seen this a lot in code, even vim marks it as a special case. #TODO and #FIXME are two other fix markers vim highlights but what does #XXX mean? ...
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How can I open a URL in Android's web browser from my application?

... Except that your code and mbaird's aren't the same, from what I can tell for what's posted. Ensure that your URL has the http:// scheme -- the exception shown suggests that your URL is lacking the scheme. – CommonsWare ...
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Is there any way to prevent input type=“number” getting negative values?

.../ spinner. However, the user can still manually enter in a negative number and have that field's value read as a negative number, thus bypassing the min attribute. – ecbrodie Jul 14 '15 at 15:49 ...
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How can I dynamically create derived classes from a base class

... This bit of code allows you to create new classes with dynamic names and parameter names. The parameter verification in __init__ just does not allow unknown parameters, if you need other verifications, like type, or that they are mandatory, just add the logic there: class BaseClass(object):...
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Why does git revert complain about a missing -m option?

So I'm working on a project with other people, and there's multiple github forks being worked on. Someone just made a fix for a problem and I merged with his fork, but then I realized that I could find a better solution. I want to revert the commit I just made. I tried doing this with git revert HE...
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Postgres: clear entire database before re-creating / re-populating from bash script

... I'd just drop the database and then re-create it. On a UNIX or Linux system, that should do it: $ dropdb development_db_name $ createdb developmnent_db_name That's how I do it, actually. ...
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How to add and get Header values in WebApi

... Perfect... I used the beforeSend and it worked. Awesome :) +1 – Si8 Jan 30 '17 at 14:50 ...
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Difference between except: and except Exception as e: in Python

...e following snippets of code do the same thing. They catch every exception and execute the code in the except: block 5 An...