Unusual file formats in your day-to-day document management and modifying operations can create immediate confusion over how to edit them. You might need more than pre-installed computer software for efficient and fast document modifying. If you need to undo code in RPT or make any other basic change in your document, choose a document editor that has the features for you to work with ease. To deal with all the formats, including RPT, choosing an editor that actually works well with all kinds of files will be your best option.
Try DocHub for efficient document management, irrespective of your document’s format. It has powerful online editing instruments that simplify your document management operations. You can easily create, edit, annotate, and share any papers, as all you need to gain access these features is an internet connection and an functioning DocHub account. A single document tool is everything required. Don’t waste time switching between various programs for different files.
Enjoy the efficiency of working with a tool created specifically to simplify document processing. See how effortless it really is to edit any document, even when it is the first time you have dealt with its format. Sign up a free account now and enhance your entire working process.
have you ever wondered how undo and redo is implemented in applications lets look at an algorithm for that its quite simple lets draw this out with ascii art heres the timeline it goes forward and lets draw the state changes in an application state change is one of add edit delete operations here are some state changes on the timeline now as you can probably guess from here when you undo we go back to the previous state when you redo we go forward in the list so naturally the data structure we should use is a linked list now lets drill down a bit more we want to save state just before the change happens lets mark it on the timeline lets write down what we know so far save state from fresh has these steps serialize the state add to the change set list increment the index lets visualize the index in our timeline as well and now lets look at undo imagine we want to undo at this point what this means is we want to get to the previous state here the index should be decremented no