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Fastest way to check if string contains only digits

... return true; } } Of course it's worth noting that TryParse does allow leading/trailing whitespace as well as culture specific symbols. It's also limited on length of string. share | ...
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Change a Git remote HEAD to point to something besides master

...ting from origin/anotherBranch HEAD references refs/heads/master and that doesn't exist -> "git clone" complains Not sure if there's any way to directly modify the HEAD ref in a repo. (which is the all point of your question, I know ;) ) Maybe the only way would be a "publication for the poo...
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How to initialize a private static const map in C++?

...I add cout << A::myMap[1]; into main(). It gives an error. The error doesn't occur if I remove the const qualifiers, so I guess map's operator[] can't handle a const map, at least, not in the g++ implementation of the C++ library. – Craig McQueen Oct 31 '...
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How to print formatted BigDecimal values?

... Is it possible to specify a pattern just as DecimalFormat does? – Philippe Gioseffi Jun 24 at 16:27 add a comment  |  ...
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How to use the “number_to_currency” helper method in the model rather than view?

... not available because its use in a model (typically) violates MVC (and it does seem to in your case). You're taking data and manipulating it for presentation. This, by definition, belongs in the view, not the model. Here are some solutions: Use a presenter or view model object to mediate between...
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Write a function that returns the longest palindrome in a given string

... If i give "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" It does not work But anwer should be 1234567887654321 – Elbek Jun 4 '12 at 3:08 1 ...
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Do Facebook Oauth 2.0 Access Tokens Expire?

... usage of these tokens (Can I persist them? How do/should I secure them? Does Facebook embed the OAuth 2.0 "refresh token" inside the main one? If not, where is it and/or how do I refresh?), but I'm pretty sure offline_access isn't the right way. ...
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DirectX SDK (June 2010) Installation Problems: Error Code S1023

...at this point is the KB 2565063 with a security fix. Note: This issue does not affect earlier version of the DirectX SDK which deploy the VS 2005 / VS 2008 CRT REDIST and do not deploy the VS 2010 CRT REDIST. This issue does not affect the DirectX End-User Runtime web or stand-alone installer a...
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How should I ethically approach user password storage for later plaintext retrieval?

...loss there. Of course if your website (or whatever the protected asset is) doesn't need 77 bits of entropy for an auto-generated passphrase, generate fewer words (which I'm sure your users would appreciate). I understand the arguments that there are password protected assets that really don't have ...
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Detecting Unsaved Changes

... Just a hint. If form is dirty it still doesn't mean that it contains really changed data. For better usability you have to actually compare old data with the new one ;) – Slava Fomin II Oct 13 '14 at 11:36 ...