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Specifying rails version to use when creating a new application

I have two versions of rails (2.1.0 and 2.2.2) installed in my computer. 7 Answers 7 ...
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Delete first character of a string in Javascript

...ant to delete the first character of a string, if the first character is a 0. The 0 can be there more than once. 14 Answer...
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In Python, how do I convert all of the items in a list to floats?

... 470 [float(i) for i in lst] to be precise, it creates a new list with float values. Unlike the map...
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How to truncate the time on a DateTime object in Python?

... 390 I think this is what you're looking for... >>> import datetime >>> dt = datet...
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How to validate an email address using a regular expression?

... +50 The fully RFC 822 compliant regex is inefficient and obscure because of its length. Fortunately, RFC 822 was superseded twice and the...
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HTTP status code 0 - Error Domain=NSURLErrorDomain?

... There is no HTTP status code 0. What you see is a 0 returned by the API/library that you are using. You will have to check the documentation for that. share | ...
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Can I automatically increment the file build version when using Visual Studio?

...ally increment the build (and version?) of my files using Visual Studio (2005). 25 Answers ...
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How to validate an email address in PHP

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How can I get the client's IP address in ASP.NET MVC?

...e { szIP = szXForwardedFor; if (szIP.IndexOf(",") > 0) { string [] arIPs = szIP.Split(','); foreach (string item in arIPs) { if (!isPrivateIP(item)) { return item; ...
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How to initialize a two-dimensional array in Python?

... \ for i in range (0, 10): \ new = [] \ can be replaced } this too for j in range (0, 10): } with a list / new.append(foo) / comprehension / twod...