When you click the Trash button on the layers palette PS will ask for a confirmation. If you want to skip the confirmation window, just press Option (Alt) when clicking the Trash to delete the selected ... 

If you ever need to take a screenshot in OS X, use the following commands:

To save a .pdf on your desktop:
Apple-Shift-3: Full screen shot;
Apple-Shift-4: Select the area you want to capture;
 ... 

If you ever need to pick up a the hexadecimal color value from your image select the Eyedropper tool (or just press I) and Ctrl-Click the image. The contextual menu will have an option to the Copy Color ... 

PostScript® Type 1 (or simply called Type 1) font was the first standard released by Adobe. Apple built in the Adobe technology into the Macintosh in 1985. This combined with the release of PageMaker®, ... 

The history panel can get full really fast when you use the brushes. To make sure you can still jump back to an important stage of your work use the History palette’s Snapshot function. In the ...