Activity for CCV
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CCV modified a comment on discussion General Discussion
I have no idea. There are some very talented coders on GitHub. All I can see is that Java 6 is outdated. The current version is 8.421. Now I also remember that my using a desktop shortcut, allowing for use of the HoDoKu icon, instead of directly using the Java version, did cause problems with saved Preferences = .hcfg.
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I have no idea. There are some very talented coders on GitHub. All I can see is that Java 6 is outdated. The current version is 8.421.
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Oh.. Apps like CCleaner can delete the default .hcfg file (which would normally be identical to custom settings upon closure of this program), because it is located in "temp' files. Are you using any such program which will automatically delete temp files?
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Not sure what you mean, but I've never had any problem with colours correctly loading, neither from the default saving of the current .hcfg (unless it gets deleted) nor from any custom saved .hcfg. I've been using this program with some particular attention to colour options for a very long time. Are you able to provide some sort of example? I know that custom colouring does differ from the default.
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Yeh.. Could be a problem peculiar to Ubuntu. Idk, but, iirc, one of the programmers on GitHub was also using Ubuntu. There is a bugfix for corrupt hcfg, mentioned in that release. All I know is that there has been no such issue with Windows.
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Not sure if this is the source code you're looking for, https://sourceforge.net/p/hodoku/code/HEAD/tree/HoDoKu/trunk/src/ I think you would need to create a project of your own to do any more work on this version. Anyway, there has been more recent work done on GitHub. Probably a better option for creating pull requests or forking. https://github.com/1to9only/HoDoKu/releases/tag/2.2.4 Plus additional work on appearances, by me, with ColorKu especially in mind. https://github.com/CCV54/HoDoKu/dis...
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Not sure if this is the source code you're looking for, https://sourceforge.net/p/hodoku/code/HEAD/tree/HoDoKu/trunk/src/ Anyway, there has been more recent work done on GitHub. Probably a better option for creating pull requests or forking. https://github.com/1to9only/HoDoKu/releases/tag/2.2.4 Plus additional work on appearances, by me, with ColorKu especially in mind. https://github.com/CCV54/HoDoKu/discussions/5
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Not if this is the source code you're looking for, https://sourceforge.net/p/hodoku/code/HEAD/tree/HoDoKu/trunk/src/ Anyway, there has been more recent work done on GitHub. Probably a better option for creating pull requests or forking. https://github.com/1to9only/HoDoKu/releases/tag/2.2.4 Plus additional work on appearances, by me, with ColorKu especially in mind. https://github.com/CCV54/HoDoKu/discussions/5
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Yes, the 'default' location is the latest used. Interestingly though, when I open a duplicate HoDoKu from a .jar - that is, a new instance of it from the same file from which a customised version of the program is already running - then all settings in the duplicate are at Default. Yes, a good idea to update Java as well. Sorry I can't be any more help. On Thu, 29 Jun 2023 at 22:16, Elisabeth Atems elisatems@users.sourceforge.net wrote: Thanks for the GitHub link, I will check it out. I did install...
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Yes, the 'default' location is the latest used. Interestingly though, when I open a duplicate HoDoKu from a .jar - that is, a new instance of it from the same file from which a customised version of the program is already running - then all settings in the duplicate are at Default. It's the same when, for whatever reason, the automatically saved .hcfg is deleted and the program is relaunched. Maybe try that? In Windows it's in C:\Users\current user\AppData\Local\Temp, and some equivalent location...
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Yes, the 'default' location is the latest used. Interestingly though, when I open a duplicate HoDoKu from a .jar - that is, a new instance of it from the same file from which a customised version of the program is already running - then all settings in the duplicate are at Default. It's the same when, for whatever reason, the automatically saved .hcfg is deleted and the program is relaunched. Maybe try that? In Windows it's in C:\Users\user home\AppData\Local\Temp, and some equivalent location on...
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Yes, the 'default' location is the latest used. Interestingly though, when I open a duplicate HoDoKu from a .jar - that is, a new instance of it from the same file from which a customised version of the program is already running - then all settings in the duplicate are at Default. It's the same when, for whatever reason, the automatically saved .hcfg is deleted and the program is relaunched. Maybe try that? In Windows it's in C:\Users\user home\AppData\Local\Temp, and some equivalent location on...
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Yes, the 'default' location is the latest used. Interestingly though, when I open a duplicate HoDoKu from a .jar - that is, a new instance of it from the same file from which a customised version of the program is already running - then all settings in the duplicate are at Default. It's the same when, for whatever reason, the automatically saved .hcfg is deleted. Yes, a good idea to update Java as well. Sorry I can't be any more help.
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Hmm.. I notice if I go directly to Documents, it opens a version saved to OneDrive. Going to my User Account/Documents opens the locally stored directory including all subdirectories. I actually have one .hsol saved directly in my User Account. The default option does seem to be Desktop. ? Probably no help to you, sorry, unless I wanted to mess with my wife's iPad to see what happens there. Not likely to happen tho.. Anyway, in case you might be interested, there has been some progress made with...
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Hmm.. I notice if I go directly to Documents, it opens a version saved to OneDrive. Going to my User Account/Documents opens the locally stored directory including all subdirectories. I actually have one .hsol saved directly in my User account. The default option does seem to be Desktop. ? Probably no help to you, sorry, unless I wanted to mess with my wife's iPad to see what happens there. Not likely to happen tho.. Anyway, in case you might be interested, there has been some progress made with...
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It is possible that the program dialog is showing a location other than where the .hsol was actually saved. Try saving a puzzle again and take note of where the file is placed. Then, to open the saved puzzle, navigate to the same location using the dialog. I'm not a Mac user, but hth.
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May we see an original puzzle, please?
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May we see the original puzzle, please?
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It is the best, imho. I doubt even paid for versions would be better. For one thing, hobiwan was so very accommodating toward feature requests where possible to implement. It was said that other developers are not. There's 100s of open source Sudoku projects available, but I haven't bothered checking them out. Who knows which might be good, or not? https://sourceforge.net/directory/?q=sudoku
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Because this project project is no longer under development. Its owner appears to have died some years ago. There has been a little further work done with HoDoKu on GitHub, but there seems very small chance of more being done. https://github.com/1to9only/HoDoKu https://github.com/CCV54/HoDoKu/discussions/5
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It won't happen, sorry.
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I normally don't use the "Show sudoku solved message" option. I tested it out now, and there might be a bug in it. After a Restart my Hint Buttons are there, but first New Sudoku switched to ColorKu mode. Very strange... After a second Restart it is working properly. Apart from that, I have no idea really. Maybe save your configuration again? Yes, it is a great program, and, fyi, there's some further development of it on GitHub: https://github.com/CCV54/HoDoKu/discussions/5
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Well, Idk... This seems about as good as it gets, as an alternative solver. I can't figure out what it means by "hypothesis", unless it's like educated guesswork. ?? Depending on options chosen, it might tell you there's, like, 50+, ALSs in there but doesn't (as far as I can see) give any clues where they are. Lots of "Chain" clues tho, which seem to work ok.
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Well, Idk... This seems about as good as it gets, as an alternative solver. I can't figure out what it means by "hypothesis", unless it's like educated guesswork. ?? Depending on options chosen, it might tell you there's, like, 50+, ALSs in there but doesn't (as far as I can see) give any clues where they are.
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I'm not about to try to explain ALS, nor to confirm whether this step is valid or not. The only way I know to confirm validity of any step is to use View> All Steps> Find all steps. Even then, there may be so many ALS possibilities it might be difficult to identify one in particular. If you would Copy Candidates (CTRL+C) and post the results here, I would be curious check it out for myself. P.S. No need. I checked it out already. With the few only possible eliminations, which you have made there,...
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It happens that the 2 in question is eliminated at the final stages of the puzzle. I can't comment further, except to say that if it were a valid ALS I think HoDoKu would've found it. Maybe a different solver would. Who knows?
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I'm not about to try to explain ALS, nor to confirm whether this step is valid or not. The only way I know to confirm validity of any step is to use View> All Steps> Find all steps. Even then, there may be so many ALS possibilities it might be difficult to identify one in particular. If you would Copy Candidates (CTRL+C) and post the results here, I would be curious check it out for myself. P.S. No need. I checked it out already. With the few only possible eliminations, which you have made there,...
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I'm not about to try to explain ALS, nor to confirm whether this step is valid or not. The only way I know to confirm validity of any step is to use View> All Steps> Find all steps. Even then, there may be so many ALS possibilities it might be difficult to identify one in particular. If you would Copy Candidates (CTRL+C) and post the results here, I would be curious check it out for myself.
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I'm not about to try to explain ALS, nor to confirm whether this step is valid or not. The only way I know to confirm validity of any step is to use View> All Steps> Find all steps. Even then, there may be so many ALS possibilities it might be difficult to identify one in particular. If you would Copy Candidate (CTRL+C) and post the results here, I would be curious check it out for myself.
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There is a valid XYZ-Wing in there, but only after a series of previous steps are completed.
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P.S. Exactly the same result, for me, in v2.2.0 exe. Library format, copy and paste into puzzle: :0901:8:.+2+1+6+4...+9+4..2+9+5.+61.69..+1+24.3+9+57.+6+4.+22+1+4+9..6..+68+7+4.+2.9.+9+5+6.+24...1+42+5..+9.+6...+1695+2+4:327 835 839 358 359 365 377 386 788:818::
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P.S. Exactly the same result, for me, in v2.2.0 exe. :0901:8:.+2+1+6+4...+9+4..2+9+5.+61.69..+1+24.3+9+57.+6+4.+22+1+4+9..6..+68+7+4.+2.9.+9+5+6.+24...1+42+5..+9.+6...+1695+2+4:327 835 839 358 359 365 377 386 788:818::
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P.S. Exactly the same result, for me, in v2.2.0 exe.
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Btw, I'm using a version produced on GitHub - https://github.com/1to9only/HoDoKu/releases/tag/2.2.4 I don't recall any issues with XYZ-Wings being addressed there. It is possible tho, seeing the program has appeared in a number of manifestations there.
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Hmm.. I couldn't find an XYZ-Wing suggested anywhere in this puzzle. Apart from an X-Chain eliminating 8 from r3c5, this is the same puzzle:
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Hi Chris, it's not my project so there's nothing I'm allowed to do here. Besides, I know absolutely nothing about coding/programming nor am I sufficiently advanced in knowledge of techniques as to understand what you mean. Sorry, can't help you. I'd suggest, perhaps, you look at some Sudoku programs still under active development. I don't know if there's anything of the sort on SourceForge. There may be something on GitHub... I am a fan of HoDoKu, but my contributions are mostly cosmetic. The latest...
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Hi Chris, it's not my project so there's nothing I'm allowed to do here. Besides, I know absolutely nothing about coding/programming nor am I sufficiently advanced in knowledge of techniques as to understand what you mean. Sorry, can't help you. I'd suggest, perhaps, you look at some Sudoku programs still under active development. I don't know if there's anything on of the sort on SourceForge. There may be something on GitHub... I am a fan of HoDoKu, but my contributions are mostly cosmetic. The...
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Now there's this: https://github.com/1to9only/HoDoKu/releases/tag/2.2.4
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Version 2.2.4, with many thanks to 1to9only for his willing and generous coding. https://github.com/1to9only/HoDoKu/releases/tag/2.2.4
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And, now this: https://github.com/1to9only/HoDoKu/releases/tag/2.2.4
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Now there's this. yay https://github.com/1to9only/HoDoKu/releases/tag/2.2.4
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No, sorry, scrap that idea. I believe it can't be done because it would mess with the Hint system and All Steps and Active Cell displays.
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No, sorry, scrap that idea. I believe it can't be done because it would mess with the Hint system and Active Cell display.
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It, indeed, can be done. First, disable Show All Candidates and, then, use Alternate Mouse Mode. hth
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One way is to use File > Save (the blank) Puzzle As... Then, Open Puzzle File... to restore it. hth
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I am very very far from being a programmer of any description. This is, or rather was, hobiwan's (Bernhard Hobiger's) project, of which I have always been a fan. I'm more interested in colours and other graphical elements. With the help of some programmers, I've made some changes, but am still working on how it looks. That's all I can do. So far, there is this one https://github.com/1to9only/HoDoKu/releases/tag/2.2.2 I don't think you'll get much help for your request from there though. To use the...
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I am very very from being a programmer of any description. This is, or rather was, hobiwan's (Bernhard Hobiger's) project, of which I have always been a fan. I'm more interested in colours and other graphical elements. With the help of some programmers, I've made some changes, but am still working on how it looks. That's all I can do. So far, there is this one https://github.com/1to9only/HoDoKu/releases/tag/2.2.2 I don't think you'll get much help for your request from there though. To use the mouse...
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Thanks for clarifying, Benoit. I hadn't realised that Active Cell switches to "Exclude Candidate" when multiple cells are selected. Ordinarily, with only one cell selected, of course yes it can "Toggle Candidates." It makes sense to me though, in that, from what I remember of using it, the purpose of multi-cell select is to be able to exclude candidates from numerous cells more easily. On the other hand, Adding a candidate to multiple cells would most likely result in it being invalid in at least...
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Thanks for clarifying, Benoit. I hadn't realised that Active Cell switches to "Exclude Candidate" when multiple cells are selected. Ordinarily, with only one cell selected, of course yes it can "Toggle Candidates." It makes sense to me though, in that, from what I remember of using it, the purpose of multi-cell select is to be able to exclude candidates from numerous cells more easily. On the other hand, Adding a candidate to multiple cells would most likely result in it being invalid in at least...
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I'm not sure I understand you correctly, but the right-click dropdown menu never did allow to add a candidate to a cell under any circumstance. There are, however, several ways of adding candidates. See here, under "Using the mouse" (Normal/Alternate modes and Active Cell): http://hodoku.sourceforge.net/en/docs.php hth
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Looking at the hint markers, in the example attached, I'd suggest you could use Colour Candidates just as well. Colour Cells might do it in this case, but that would amount to something like an X-Chain in 9 only and not a proper AIC.
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Looking at the hint markers, in the example attached, I'd suggest you could use Colour Candidates just as well. Colour Cells obviously won't do it in this case.
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Depends on whether your laptop screen is touch-enabled or not. If not, then pens won't do it for you. I gather there are laptops with touch screen capability, which, I imagine, would be great for this purpose. Failing that, I guess the only option is to take a screenshot of your game and draw on it. I would recommend the GIMP, as it is cross-platform and free. I'm none too familiar with the built-in image editing tools available (for Windows), but they seem to lack the required functionality. You...
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Depends on whether your laptop screen is touch-enabled or not. If not, then pens won't do it for you. I gather there are laptops with touch screen capability, which, I imagine, would be great for this purpose. Failing that, I guess the only option is to take a screenshot of your game and draw on it. I would recommend the GIMP, as it is cross-platform and free. I'm none too familiar with the built-in image editing tools available (for Windows), but they seem to lack the required functionality. You...
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P.P.S. The GIMP has the advantage of you being able to use new transparent layer(s) for your lines. That way you can erase them, if need be, without touching the underlying layer.
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P.S. In Paint 3D you can use the triangle shape tool to create the arrow endings for the lines. Takes a bit of tweaking to get them the right size and angle... Similarly, in the GIMP you can use the Free Select Tool (holding down Shift key, for straight lines) to draw a triangle and use Bucket Fill to colour the selection. Again, it takes a bit of practice to get it the right shape. There's always Undo, if it doesn't turn out how you want on first, second etc. attempt. hth
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Depends on whether your laptop screen is touch-enabled or not. If not, then pens won't do it for you. I gather there are laptops with touch screen capability, which, I imagine, would be great for this purpose. Failing that, I guess the only option is to take a screenshot of your game and draw on it. I would recommend the GIMP, as it is cross-platform and free. I'm none too familiar with the built-in image editing tools available (for Windows), but they seem to lack the required functionality. You...
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Hi again Erin, I've been enjoying this approach to the game for a good while now. Thanks for giving me the idea. :) As for naked or hidden triples, where they exist, Find all steps will display them. That will also display hint markers but won't directly execute the step in this mode, using Hint Buttons (well.. it didn't, but does now. ?), but Execute on Hints Pane works. hth Actually, I'm using a slightly updated version. Don't know that it should make any difference to execute from hint buttons...
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Hmm.. Is this related, in any way, to Sukaku Explainer - found on GitHub? https://github.com/SudokuMonster/SukakuExplainer Not that I'm bothered. Just came across it during my own work on HoDoKu there. https://github.com/1to9only/HoDoKu/releases/tag/2.2.2 Also a work in progress. Well.. I'm hoping for progress.....
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And this https://github.com/1to9only/HoDoKu/releases/tag/2.2.2 An improvement on my earlier efforts https://sourceforge.net/p/hodoku/discussion/general/thread/230a7495/?limit=25#3e4a
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There is now this one, Rick, https://github.com/1to9only/HoDoKu/releases/tag/2.2.2
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You could try this one https://github.com/1to9only/HoDoKu/releases/tag/2.2.2 An improved version of my, unofficial, version 2.2.1 https://sourceforge.net/p/hodoku/discussion/general/thread/230a7495/?limit=25#3e4a
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Version 2.2.2, with many thanks to 1to9only for his willing and generous coding. https://github.com/1to9only/HoDoKu/releases/tag/2.2.2
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Colouring Cells is one way to look for the "strong, weak, strong etc.) links for this type of Chain. Concrete Hint isn't really required, in this case, seeing that the candidates are displayed in Solution Path. On the other hand, the red Hint Button, marked with a "X" can be used to remove displayed hints. This is a simple example, equating to a 2-String Kite, where the candidates can be excluded from the cell "seeing" both ends of the Chain. hth
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Sadly, no. It was one feature request (or more) that Hobiwan appeared willing to consider, but never came to fruition. If you know the next step is remote pair, then you can use the Concrete Hint button to find which candidates are involved. Use Filter on either one and look for a series of connections between 4, 6 or possibly 8 cells. It's exactly like a 2-Sting Kite, Turbot Fish or (where more than 4 cells are involved) an X-chain, except for their being two candidates instead of one in each c...
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"Now - if a 6 HAS to be in row1 column 2 or 3, a 6 CANNOT be in row1 column 4.", is wrong. One of them has to be 5, yes. There's possibity for 1 in r1c3 and plenty of other places for 6 in block 1 and colums 2&3. If you use "Alternate mouse mode" (Preferences > General), or go to Active cell view, then you can easily toggle candidates back on. If removing any candidate invalidates the puzzle, then Progress marker changes to red with an X mark. Btw, 2.2.0 is the latest official release and it does...
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It does what it was supposed to do. Another issue for you to report on GitHub, perhaps?
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https://github.com/PseudoFish/Hodoku/releases/tag/2.3.0
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Btw, https://github.com/PseudoFish/Hodoku/releases/tag/2.3.0
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On this page, https://github.com/PseudoFish/Hodoku/releases/tag/2.3.0, there's a "Pull requests" tab. From there you can create a "pull request". That's all I can find atm.. As far as I can tell, the bottom colour bar is not working at all. It only seems to be adding colours, but if I use it without first using options in Active cell view it does nothing.
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Hi Mark, I wasn't aware HoDoku 2.3.0 had been released. I find it is on GitHub tho. I'd suggest you would do better to address issues with it there rather than here. But then, even tho I'm signed in, I can't figure out how to post bug reports or feature requests there. There is this https://github.com/search?q=HoDoku&type=Issues, but it's not much help. :/ As a matter of fact, I would love to join in on that project as I believe I still might have something to offer.
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It would be interesting to hear Hobiwan's ideas about this, and see if it could be implementled among solving techniques. Sadly, I fear, he is longer with us and has not been for many years. There's probably a Sudoku forum or two where you could discuss this with many more knowlegable than I.
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Examples of URs found.
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Yes, you are correct. All steps doesn't find that UR. I must apogise, as well, for my comments on the previous puzzle you posted. Regardless of the difficulty level of the puzzle, all steps displays exactly all possible steps - of any difficulty! And, it didn't find the UR in that case either. Oddly enough, it is a kind of 'UR' I sometimes do find. I would've thought it similar to a Hidden Rectangle. It's not tho, because there's not exactly two possibilities for the primary candidate in both blocks....
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Sorry for multi posts. :( Don't know quite what went wrong.
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Hi Francesco, Thank you for sharing. However, I think you'll find that Difficulty Level needs to be set to at least Hard for the program to even look for URs. The puzzle you present, at the stage presented, is at Medium level which means it can be solved by easier techniques. I've been trying to create new puzzles, using the .cofig you provided, but it takes an inordinately long time on my machine. Don't know yet if it will succeed at all.......
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Hi Francesco, Thank you for sharing. However, I think you'll find that Difficulty Level needs to be set to at least Hard for the program to even look for URs. The puzzle you present, at the stage presented, is at Medium level which means it can be solved by easier techniques. I've been trying to create new puzzles, using the .cofig you provided, but it takes an inordinately long time on my machine. Don't know yet if it will succeed at all.......
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Hi Francesco, Thank you for sharing. However, I think you'll find that Difficulty Level needs to be set to at least Hard for the program to even look for URs. The puzzle you present, at the stage presented, is at Medium level which means it can be solved by easier techniques. I've been trying to create new puzzles, using the .cofig you provided, but it takes an inordinately long time on my machine. Don't know yet if it will succeed at all.......
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Hi Francesco, Thank you for sharing. However, I think you'll find that Difficulty Level needs to be set to at least Hard for the program to even look for URs. The puzzle you present, at the stage presented, is at Medium level which means it can be solved by easier techniques. I've been trying to create new puzzles, using the .cofig you provided, but it takes an inordinately long time on my machine. Don't know yet if it will succeed at all.......
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Hi Francesco, Thank you for sharing. However, I think you'll find that Difficulty Level needs to be set to at least Hard for the program to even look for URs. The puzzle you present, at the stage presented, is at Medium level which means it can be solved by easier techniques. I've been trying to create new puzzles, using the .cofig you provided, but it takes an inordinately long time on my machine. Don't know yet if it will succeed at all.......
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Oh, I think I understand your question better now. I also think the general convention is to use the terms "row" and "column' to distinguish between horizontal and vertical lines respectively. Don't know if you saw my P.S., but the mid line in Block 3, according to your illustration, is row 2 by Hodoku's standard. Might be called row B, otherwise. The mid line in Block 2 is column 5. You might consider calling it Block 2 mid column, and mid row for Block 3. just a thought.....
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P.S. Your naming of Blocks 1, 2 and 3 is , in this example, in line with nomenclature used in HoDoku. In Block 1, row 3 is highlighted; In Block 2, column 5; In Block 3, row 2. Some use letters for rows and numbers for columns, or vice versa, but this is HoDokus'way.
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Hi Kerry, I'm still sure that what you have illustrated, if you mean a single candidate confined in that way, is called Locked Candidates. Actually, listed generally as "Intersections" in the solving guide for HoDoku. http://hodoku.sourceforge.net/en/tech_intersections.php From what keith wrote, it looks like naming conventions for various patterns/techniques do vary but I'd guess this one doesn't so much. Anyway, as we are talking about HoDoku here, I think it best - to avoid confusion - to stick...
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Hi Keith, I reckon if there was an Emtpy Rectangle in there it would show up under "All possible steps". It doesn't tho..
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I'm not sure what you're asking, Kerry. If you could illustrate, perhaps? Meanwhile, where candidates are confined to one "line" (row or column) within a block it's called simply Locked Candidates. For single candidates, that may either Pointing or Claiming. Locked Pairs and Locked Triples occur also where confined to a row or column within a block. These are described under Naked Subsets on the Solving Techniques page. http://hodoku.sourceforge.net/en/techniques.php
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I think it actually is already built in, especially with "Allow missing candidates in URs" enabled. If I remember correctly, it is so by default. Anyway, how to enable it is covered under the section of Solving Techniques to which you refer.
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You're welcome, Tony. It is mentioned in the online User Manual, but, like a lot of things I find, doesn't seem to make sense until you've already figured it out by some other means. lol http://hodoku.sourceforge.net/en/docs_play.php#create_enter
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Manual input of a puzzle results in the numbers being Values, instead of Givens which are what is required for a valid puzzle. The same applies in both cases you mention, Tony. Fyi, by default, Values are blue and Givens are black. So, it is necessary first to set your input numbers as Givens. In the case of New Givens, you set Givens by using Play Game - then F11 will work as usual. When Values are freshly entered, Play Game is unavailable. I don't know how that makes any difference to F11, but...
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Give Up: Don't know how to proceed!
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lol, yeh.. "Killer" Sudoku lives up to its name alright. I found one or two, so far, that have multiple solutions according to regular Sudoku standards, but have one solution going by the 'killer' values. In any case, as far as I have found, Hodoku is as reliable as anything else in this regard, so, yes, case closed.
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The only version of Sudoku Mentor I could find isn't exactly compatible with with Win 10, but still seems to be working ok. It doesn't flag multiple sulutions, but it can't solve the puzzle either. Interestingly, while it can solve for some cells, it shows row 3 column 3 alone as having four possible 'solutions' - which is identical to the results from Andrew Stuart's solver. Note also, in attached images, that the filter buttons are greyed out. That does not happen with self-generated, presumably...
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The only version of Sudoku Mentor I could find isn't exactly compatible with with Win 10, but still seems to be working ok. It doesn't flag multiple sulutions, but it can't solve the puzzle either. Interestingly, while it can solve for some cells, it shows row 3 column 3 alone as having four possible 'solutions' - which is identical to the results from Andrew Stuart's solver. Note also, in attached images, that the filter buttons are greyed out. That does not happen with self-generated, presumably...
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Yes, I see... When Play Game is unavailable, you can use Modify Givens first to restore it. Sorry to say, the puzzle is invalid in having multiple solutions. 4. in total, according to two online solvers - https://www.sudoku-solutions.com/ for one, but I prefer https://www.sudokuwiki.org/sudoku.htm because there one can quickly import a puzzle using Hodoku's Copy Givens format (...841..9.4......5...95..43.5...6.2...9.3.5...8.4...3.49..13...6......8.2..584...). Btw, please, what is the "alternate"...
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If I could see which are the Givens, then I might be able to help. After entering the numbers for the original puzzle, use File > Play game to set them as givens - i.e., displayed in black instead of blue which is for Values. You can also use Edit > Copy Givens or Copy Candidates and Paste the results here, as the easiest way for anyone else to recreate the puzzle. hth
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Edit > Preferences > Steps > Miscellaneous > Allow missing candidates in URs is selected by default.
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I forgot the config file.
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