June 2004
Beginner to intermediate
364 pages
7h 38m
English
Content preview from Eclipse Cookbook
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4.6. Comparing Files Against Local History
Problem
You need to see how a file has been changed since the last save.
Solution
Highlight the file in a view, and select Compare With→ Local History in the view’s context menu.
Discussion
Eclipse records changes to a file in its local history. To get an idea of how a file has been changed since it was last saved, highlight the file and right-click it, selecting Compare With→ Local History. The recent changes appear in the dialog shown in Figure 4-11, graphically displayed.
Figure 4-11. Comparing against local history
Tip
You also can check an individual element’s recent history (instead of an entire file). Right-click an element and select Local History→ Compare With to see a graphical display of the recent changes.
Eclipse 3.0
Eclipse 3.0 has a built-in Quick Diff bar that enables you to compare lines individually to those stored on disk (the default), as well as to changes in a CVS repository. You can see the Quick Diff bar immediately to the left of the JDT editor in Figure 4-12. To compare a line with the most recent version of the file on disk, rest the mouse cursor over the Quick Diff bar.
Figure 4-12. The Eclipse 3.0 Quick Diff bar
Tip
To turn off Quick Diff, right-click the Quick Diff bar and select Disable QuickDiff. To make Quick Diff compare ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.