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ModelState.IsValid == false, why?

Where can I find the list of errors of which make the ModelState invalid? I didn't see any errors property on the ModelState object. ...
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Checking if an instance's class implements an interface?

Given a class instance, is it possible to determine if it implements a particular interface? As far as I know, there isn't a built-in function to do this directly. What options do I have (if any)? ...
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Align elements side by side

I know this is a rather simple question, but I can't figure it out for the life of me. I have two links which I've applied a background image to. Here's what it currently looks like (apologies for the shadow, just a rough sketch of a button): ...
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How to handle multiple heterogeneous inputs with Logstash?

Let's say you have 2 very different types of logs such as technical and business logs and you want: 3 Answers ...
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How do you rebase the current branch's changes on top of changes being merged in?

Okay. If I'm on a branch (say working ), and I want to merge in the changes from another branch (say master ), then I run the command git-merge master while on the working branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes ...
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Enabling markdown highlighting in Vim

I'm using Vim in a terminal on my MacBook Air with OS X Lion, and I can't seem to find a good plugin for Markdown syntax highlighting. ...
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How to use shell commands in Makefile

I'm trying to use the result of ls in other commands (e.g. echo, rsync): 2 Answers 2...
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What do we mean by Byte array? [closed]

Could someone please explain, I do not exactly get the concept. 3 Answers 3 ...
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Rails 3 check if attribute changed

Need to check if a block of attributes has changed before update in Rails 3. 5 Answers ...
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@UniqueConstraint and @Column(unique = true) in hibernate annotation

What is difference between @UniqueConstraint and @Column(unique = true) ? 4 Answers ...