Rails – Does using partials slow views rendering?

I’m having performance issues on a Rails 3.1.0 application, now I’ve done dome changes on my queries with AR and so but views still takes too many time to render, I’ve divided the views, loops and so, on many partials that are rendered dynamically inside views and inside other partials.

Is it possible to use RubyGnome2’s/QtRuby’s HTML renderers to make UI for a Ruby script?

I’d like to make a graphical user interface for my script, instead of running it from the console. I’m aware there’s a wealth of UI libraries for Ruby, but I’m quite familiar with HTML and CSS and I’d like to use them for building an interface. So the question is:

How does font rendering actually work?

I realize that I know essentially nothing about the way fonts get rendered in my computer.

When trying to renderplot, when changing Pitcher the scale fill gradient is staying the same color as the midpoint when it should be changing colors

This is the code that I am having problems with. The bar is moving when changing pitchers(which is good), however it is supposed to be changing color along with it, and it is not doing so.

Completely independent dual GPU setup for VR with 100% “SLI efficiency”?

I have a question regarding dual GPU use for Virtual Reality (VR); for years now I tried, every now and then, to find an answer by reading/searching the web, but every time in vain – hence finally this post:

Would one use a 2D Gaming Engine for a desktop application?

I am thinking about a library that I could use for a program to create presentations but I am not sure what one could/should use for a task like that.

Would one use a 2D Gaming Engine for a desktop application?

I am thinking about a library that I could use for a program to create presentations but I am not sure what one could/should use for a task like that.

Would one use a 2D Gaming Engine for a desktop application?

I am thinking about a library that I could use for a program to create presentations but I am not sure what one could/should use for a task like that.