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Populating a razor dropdownlist from a List in MVC

... You can separate out your business logic into a viewmodel, so your view has cleaner separation. First create a viewmodel to store the Id the user will select along with a list of items that will appear in the DropDown. ViewModel: public class UserR...
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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up

I have been looking for some time now for a solution to my sticky sidebar problem. I have a specific idea of how I would like it to act; effectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid moti...
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'

... I'd recommend reading that PEP the error gives you. The problem is that your code is trying to use the ASCII encoding, but the pound symbol is not an ASCII character. Try using UTF-8 encoding. You can start by putting # -*- coding: utf-8 -*- at the top of your .py file. To get mor...
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How can I have grep not print out 'No such file or directory' errors?

I'm grepping through a large pile of code managed by git, and whenever I do a grep, I see piles and piles of messages of the form: ...
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How in node to split string by newline ('\n')?

How in node to split string by newline ('\n') ? I have simple string like var a = "test.js\nagain.js" and I need to get ["test.js", "again.js"] . I tried ...
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How can prepared statements protect from SQL injection attacks?

... The idea is very simple - the query and the data are sent to the database server separately. That's all. The root of the SQL injection problem is in the mixing of the code and the data. In fact, our SQL query is a legitimate program. And we are creating such a program dynamically, adding...
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Is the 'override' keyword just a check for a overridden virtual method?

...word in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class. ...
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Is there a Subversion command to reset the working copy?

Is there a single Subversion command that would “reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc . ...
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How to know which version of Symfony I have?

I know that I have downloaded a Symfony2 project and started with but I have updated my vendor several times and I want to know which version of symfony I have ...
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Javascript - removing undefined fields from an object [duplicate]

Is there a clean way to remove undefined fields from an object? 10 Answers 10 ...