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Rails hidden field undefined method 'merge' error
I wanna do something like this in rails
6 Answers
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How can I make a WPF combo box have the width of its widest element in XAML?
I know how to do it in code, but can this be done in XAML ?
12 Answers
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Difference between repository and service?
What's the difference between a repository and a service? I don't seem to grasp it.
3 Answers
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Auto-fit TextView for Android
Many times we need to auto-fit the font of the TextView to the boundaries given to it.
16 Answers
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How do you loop through currently loaded assemblies?
I've got a "diagnostics" page in my ASP.NET application which does things like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to e...
Vim Configure Line Number Coloring
I'm looking for a way to configure the color used for line numbering (as in: :set nu ) in Vim. The default on most platforms seems to be yellow (which is also used for some highlighted tokens). I would like to color the line numbers a dim gray; somewhere in the vicinity of #555 . I'm not pick...
What is the IntelliJ shortcut to create a local variable?
In Eclipse if you have a method:
3 Answers
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
I didn't attend PDC 2008, but I heard some news that C# 4.0 is announced to support Generic covariance and contra-variance. That is, List<string> can be assigned to List<object> . How could that be?
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What is the meaning of the term “free function” in C++?
While reading the documentation for boost::test, I came across the term "free function". What I understand is that a free function is any function that doesn't return anything (Its return type is void). But after reading further it seems that free functions also don't take any arguments. But I am no...
Handling a Menu Item Click Event - Android
I want to create an intent that starts a new activity once a Menu Item is clicked, but I'm not sure how to do this. I've been reading through the android documentation, but my implementation isn't correct..and some guidance in the right direction would help. I've listed my code below and commented o...