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Mark error in form using Bootstrap

... <small id="passwordHelp" class="text-danger"> Must be 8-20 characters long. </small> </div> </div> </form> </div> Bootstrap v3 See the live version on codepen <form role="form"> <div class="form-group has-warn...
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How to pass json POST data to Web API method as an object?

... EDIT : 31/10/2017 The same code/approach will work for Asp.Net Core 2.0 as well. The major difference is, In asp.net core, both web api controllers and Mvc controllers are merged together to single controller model. So your return type...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

... | edited Jan 23 '14 at 0:46 Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges ...
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Best practices for SQL varchar column length [closed]

..., it does not make any difference whether you declare a column as VARCHAR(100) or VARCHAR(500). You should see the max length provided for a VARCHAR column as a kind of constraint (or business rule) rather than a technical/physical thing. For PostgreSQL the best setup is to use text without a len...
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What should be in my .gitignore for an Android Studio project?

... Updated to Android Studio 3.0 Please share missing items in comments. A late answer but none of the answers here and here was right on the money for us... So, here's our gitignore file: #built application files *.apk *.ap_ # files for the dex VM *.d...
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How do I expire a PHP session after 30 minutes?

I need to keep a session alive for 30 minutes and then destroy it. 15 Answers 15 ...
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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

... 109 Try this: if (Build.VERSION.SDK_INT <19){ Intent intent = new Intent(); intent.s...
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rails - Devise - Handling - devise_error_messages

...sue logged on Github https://github.com/plataformatec/devise/issues/issue/504/#comment_574788 Jose is saying that devise_error_messsages! method is just a stub (though it contains implementation) and that we're supposed to override/replace it. It would have been nice if this was pointed out somewhe...
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How to handle initializing and rendering subviews in Backbone.js?

... 260 This is a great question. Backbone is great because of the lack of assumptions it makes, but it ...
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Cookies vs. sessions

... answered Jun 6 '11 at 14:40 FoscoFosco 35.5k66 gold badges7777 silver badges9898 bronze badges ...