Top "Undo-redo" questions

For issues relating to undo and/or redo operations.

How to go back (ctrl+z) in vi/vim

In normal text editors [with all due respect to Vim] there is a shortcut Ctrl+Z when you have done …

vim vi back undo undo-redo
How do you 'redo' changes after 'undo' with Emacs?

This article says that "Emacs has redo because you can reverse direction while undoing, thereby undoing the undo". What does …

emacs undo-redo
How to implement good and efficient undo/redo functionality for a TextBox

I have a TextBox which I would like to implement undo/redo functionality for. I have read that it might …

c# undo-redo memento
NSInvocation for Dummies?

How exactly does NSInvocation work? Is there a good introduction? I’m specifically having issues understanding how the following code (…

objective-c cocoa undo-redo
Android Studio undo (Ctrl-Z) / redo (Ctrl-Y) not working

I've just moved from Eclipse to Android Studio and am finding really weird behaviour when I try to do Ctrl+…

android android-studio undo-redo
How to configure IntelliJ (also Android Studio) redo shortcut to CTRL+Y instead of CTRL+SHIFT+Z?

The default IntelliJ / Android Studio "Redo" action shortcut is CTRL+Shift+Z and this is a common problem for Windows …

android-studio intellij-idea undo-redo keymapping redo
data structure used to implement UNDO and REDO option

I want to implement UNDO and REDO option(as we see in MS word etc). Can you suggest me a …

data-structures design-patterns undo-redo
Using Vim's persistent undo?

One of the new features in Vim 7.3 is 'persistent undo', which allows for the undotree to be saved to a …

vim undo undo-redo
How to add undo / redo buttons to toolbar in Eclipse?

I feel a bit embarrassed asking this questions, but how the heck can I get regular undo/redo buttons into …

eclipse toolbar undo-redo
"Undo" history button clear after run macro excel

I have a macro that fires on the "Worksheet_SelectionChange" event. The macro validate data of one column, it changes …

vba excel undo-redo