I have a regex that I thought was working correctly until now. I need to match on an optional character. It may be there or it may not. ...

I'm certainly no Ruby developer but I have an application on my server using Ruby, Gems, and Bundler. I am trying to install another Ruby on under a different user account but on the same VPS. When I go to run ...

What is the Ruby <=> (spaceship) operator? Is the operator implemented by any other languages? 6 Answers ...

I did the upgrade according to. http://www.asp.net/mvc/tutorials/mvc-5/how-to-upgrade-an-aspnet-mvc-4-and-web-api-project-to-aspnet-mvc-5-and-web-api-2 ...

How can I format an inline code in Confluence like this ? I mean, not a separate code block, but just inline classname , for example. ...

Update: A sample project reproducing this bug can be found here at Microsoft Connect. I have also tested and verified that the solution given in the accepted answer below works on that sample project. If this solution doesn't work for you, you are probably having a different issue (which belongs i...

Is it possible to express 1 or 0 as a bit when used as a field value in a select statement? 8 Answers ...

I have two vectors u and v. Is there a way of finding a quaternion representing the rotation from u to v? 7 Answers ...

I have a NumPy array 'boolarr' of boolean type. I want to count the number of elements whose values are True . Is there a NumPy or Python routine dedicated for this task? Or, do I need to iterate over the elements in my script? ...

atan2(y, x) has that discontinuity at 180° where it switches to -180°..0° going clockwise. 15 Answers ...