It can be complex to have a source plate that is matchmoved and then have a retime or timewarp on the material. This can be done quote easy like this...

Need to Search and Replace a lot of textures? You can execute a MEL script for that. In below example make sure to replace the SEARCH and REPLACE sections. If you use \ (backslash) make sure to make them double \\ so they parse correctly.

Read on....

So when you want to make a quick preview render using the Hardware 2.0 renderer for some reason you get black objects. Check your viewport (set to Hardware 2.0) and press '5' everything looks good? Press '7' do you see the black objects? Check... If this is the case set the Render Lights to 'Default' instead of 'All'

You get work back from remote workers and get this message?
To list them: ls -type unknown;
To actually remove the unknown nodes: delete `ls -type unknown`;

To clean up yout namespaces after importing/referencing objects try this:

After your objects are imported paste the following line into the script editor –

namespace -mv "insert_namespace_here" ":" -force;

Replace insert_namespace_here with the namespace of your imported objects. ie for an object that is named part1:Cylinder02 use the following –

namespace -mv "part1" ":" -force;

 Maya is like an ancient, ancient, and dumb program... When you remove a monitor or change their positions your floating windows might very well disappear... The solution, navigate here: C:\Users\USER\Documents\maya\2014-x64\prefs or whatever is appropriate and delete windowPrefs.mel.

 So, installing VRAY is pretty straight forward. But if you have adjusted the Environment (system) variables it will reset to default when updating version... Quite annoying. Also installing Yeti requires to setup some custom environment variables. These can be set in the maya.env, but I chose to set them at system level. 

 Maya and viewports, man... OK, so to fix the clipping plane issues; in your viewport select View|Select Camera (also for your orthographic views) and set your clipping plane way higher like 0.001 near and 1000000 far. BUT you also might need to set your Translate values of the camera to be ABOVE your objects.....

 Stop Undo-ing the scrub time slider in Maya