I'm trying to use matplotlib to read in an RGB image and convert it to grayscale. 12 Answers ...

What are differences between Visibility.Collapsed and Visibility.Hidden in WPF? 3 Answers ...

I wonder if I can draw rectangle in XML. I know how to draw using drawRect method programmatically. 6 Answers ...

I am using Visual Studio 2010 in debug mode and I have "optimize code" unchecked. I can't quick watch (or hover on) any variable in the debugger. I get this error "Cannot evaluate expression because the code of the current method is optimized". ...

I have a table that looks like this caller 'makerar' 7 Answers 7 ...

How can I copy a string (e.g "hello") to the System Clipboard in C#, so next time I press CTRL+V I'll get "hello"? 5 Answ...

I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error: ...

I want to change the name which is displayed below the app icon on the iPhone screen. I use Xcode 4 and I have one target with keys: ...

I am replicating web application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 . ...

As far as I can tell, variable assignment is the same whether it is or is not preceded by "export". What's it for? 3 Answer...