William Stein wrote: > On Wed, Apr 22, 2009 at 5:21 PM, kcrisman <kcris...@gmail.com> wrote: >> >> >>>> There are a good many patches out there to address small aspect of >>>> these problems. In #4886 and #4887 Timothy Clemans has some good >>>> ideas for renaming some variables and making default save periods >>>> configurable from the "Settings" page of the notebook. However, these >>>> patches seem to depend on a variety of other patches, some with >>>> distinctly different purposes, with #4135 being a major obstacle to >>>> freeing up all the dependencies. >>>> It would be great if somebody who understands the notebook, CSS, >>>> templates, and file management were to take the best ideas from these >>>> patches and address the core problems in one, or a few, pointed >>>> patches. Unfortunately, I am not that person, but I'd be ready to >>>> help and review work done in this direction. Done right, this might >>>> obsolete several other patches and then free up others that would also >>>> be welcome enhancements to the notebook. >> Yes, Timothy has done a lot of yeoman's work but the patches were not >> reviewed and now they are likely bitrotted - and in any case have far >> too long a chain of dependencies for easy review. >> >> I agree with Rob that these would be nice - particularly because it >> makes *user config* easy. It looks like setting save_interval to >> 24*3600 solves a lot of our problems (which indicates to me that >> somehow it's not just open worksheets that are saved...) out here, >> according to an email I just got - I am very lucky that our admin is >> so supportive of Sage! I can imagine other places where that would >> not be the case, and a faculty member or a not-particularly-adept low- >> level employee was in charge of this, one who is not going to be able >> to make it through server_conf.py. >> >>> I would just forget about all that crap, and write >>> something so there can be at most say 30 snapshots for any given >>> worksheet. Full stop. How those 30 are divied out is a matter of >>> algorithms, but the simplest choice is just delete all but the 30 most >>> recent. >> Something like that for a default would be wonderful (and please >> please do the same with whatever controls nb.sobj). Defaults should >> be made quite clear and then also clear where they can be changed - >> which a lot of the patches discussed in this thread do, I'm not >> suggesting that there is all this work which has to be done, more it >> has to be organized. But it might as well be done right, after >> William's very good ideas on this are implemented for the default. >> Yes, I realize that volunteers myself for it... well, not until after >> finals, that's for sure. >> >> - kcrisman > > Hi, > > Does anybody here ever use snapshots? This is what implements the > "Undo" button. > > I never use it.
I use it on occasion when something happens with the notebook and I would otherwise have lost code. I also like the confidence it gives me to experiment, knowing there is a version history. I would definitely keep it. Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
