On one of my dev machines I have unlimited undos, I can hold u and go all the way back to when I opened the file. On another, pressing u toggles between the last two changes I made, no more. The ...

I've searched half a day, and found none. Do you happen to know there's one? Thanks!

I want to ask a question about List in Java. It is easy to implement delete,add and search an element in a list. But how to implement the undo and redo of a list in Java? can anyone help me on th...

Does WPF provide a framework to handle undo/redo? If not, what's a common way to do it?

In VIM is it possible to undo changes on or around a specific block of text? Lets say I make change A right above "if yes", then do changes B, C, D and E in other places on the file. Is it possible...

I'm trying to figure out how to design my DB tables to allow Undo-Redo. Pretend you have a tasks table with the following structure: id <int> title <varchar> memo <string> date...

I have a Django application where I allow a user to import a CSV file with contact data (membership #, first name, last name, etc). When they import the file, the application checks the database ...

Hi I'm about to add new functionality to application which I'm currently writting. I need to write a undo/redo fnctionality. However 90% of our application is ready and I don't know what is the bes...

Part of my project is to write a text editor that is used for typing some rules, compiling my application and running it. Writing compiler was end and release beta version. In the final version we ...

My app doesn't use Core Data yet. Is it true that I must use Core Data for undo/redo? And: How does the user do the undo/redo? I've never seen it in action, and never ever used it. Don't know how ...

I am in the design process of an application, and I would like to use the command pattern for undo/redo purposes. I did some research into the command pattern but the only thing I don't get is: Sho...

I read the following in an article Immutable objects are particularly handy for implementing certain common idioms such as undo/redo and abortable transactions. Take undo for example. A common ...

Assume that, a win form has certain input fields and user enters/re-enters some data. How to retain data previously entered by 'undo' operation? Just I want to know the best way to accomplish it....