Unusual file formats in your everyday document management and modifying processes can create instant confusion over how to edit them. You might need more than pre-installed computer software for efficient and quick document modifying. If you want to undo code in text or make any other simple alternation in your document, choose a document editor that has the features for you to deal with ease. To handle all of the formats, including text, opting for an editor that works well with all types of files will be your best choice.
Try DocHub for efficient document management, regardless of your document’s format. It offers potent online editing instruments that streamline your document management process. You can easily create, edit, annotate, and share any file, as all you need to gain access these features is an internet connection and an active DocHub account. Just one document tool is all you need. Don’t waste time jumping between different applications for different files.
Enjoy the efficiency of working with an instrument made specifically to streamline document processing. See how straightforward it really is to edit any document, even when it is the first time you have dealt with its format. Register a free account now and improve your whole 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
