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Populating a razor dropdownlist from a List in MVC

...ttribute Inside the controller create a method to get your UserRole list and transform it into the form that will be presented in the view. Controller: private IEnumerable<SelectListItem> GetRoles() { var dbUserRoles = new DbUserRoles(); var roles = dbUserRoles .Get...
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Is there a float input type in HTML5?

...g to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number." ...
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Why does += behave unexpectedly on lists?

... The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods. The __iadd__ special method is for an in-place addition, that is it mutates the object that it a...
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Reload an iframe with jQuery

I have two iframes on a page and one makes changes to the other but the other iframe doesn't show the change until I refresh. Is there an easy way to refresh this iframe with jQuery? ...
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JSON Array iteration in Android/Java

I am building an android app that needs to download and synchronise with an online database, I am sending my query from the app to a php page which returns the relevant rows from a database in JSON format. ...
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jquery how to empty input field

I am in a mobile app and I use an input field in order user submit a number. 7 Answers ...
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Best way to add “current” class to nav in Rails 3

... Your way suit best when there are some pages handled by different controller / actions but in the same menu item, right? Have you encountered more advantages~? – PeterWong Sep 15 '10 at 2:39 ...
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Android notification is not showing

I need a program that will add a notification on Android. And when someone clicks on the notification, it should lead them to my second activity. ...
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How to center horizontally div inside parent div

... I am assuming the parent div has no width or a wide width, and the child div has a smaller width. The following will set the margin for the top and bottom to zero, and the sides to automatically fit. This centers the div. div#child { margin: 0 auto; } ...
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Android ListView Divider

...why you should use 1px instead of 1dp or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy For dividers, 1px is the...