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 Unable to include zero in pencil marks 
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Posted on: Sat Apr 18, 2020 12:39 am




Posts: 682
Location: Dublin, Ireland
Joined: Tue Mar 01, 2016 10:03 pm
Post Unable to include zero in pencil marks
I noticed this problem for the first time when attempting a puzzle with zero values within the past couple of days. i assumed it was a one off, so I didn’t bother commenting. But it’s happening again in today’s 8x8 difficult puzzle.

If you use the pencil button to include options in a cell, it won’t allow you to include zero values. If you try to include a zero, it appears as an entry in the cell, rather than a pencil mark.

Not a major issue, but it’s only recently started happening, so I assume it’s a glitch of some sort caused by a recent programming change.


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Posted on: Sat Apr 18, 2020 10:20 am




Posts: 2714
Joined: Thu May 12, 2011 11:58 pm
Post Re: Unable to include zero in pencil marks
Yes, it's a bug introduced by a bug fix (!)

The fix was for when you have the pencil enabled, then the erase button doesn't do anything
(and you'd expect it would just clear the cell).

I'm thinking the new bug is related to the way Javascript handles zero, "null", and the empty string
(that's a bit of a mess), will check this today..


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Posted on: Sat Apr 18, 2020 11:45 am




Posts: 2714
Joined: Thu May 12, 2011 11:58 pm
Post Re: Unable to include zero in pencil marks
It should be better now, please check.

In other news, I've recently been getting 10-20 new account signups a day
from bots that are able to bypass the "I am not a robot" test, most of them
from a couple of probably hacked computers in France.

No idea what people want with this, these accounts will never show up anywhere
(because of course the bots then don't suddenly start solving puzzles.. [glare] )


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Posted on: Sat Apr 18, 2020 11:47 am




Posts: 682
Location: Dublin, Ireland
Joined: Tue Mar 01, 2016 10:03 pm
Post Re: Unable to include zero in pencil marks
Thanks Patrick. I tend to use pencil marks a lot and not being able to use zero in a pencil mark seemed to cause me a lot of confusion when doing today’s 8x8. It took me a lot longer than usual to complete.


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Posted on: Sat Apr 18, 2020 10:18 pm




Posts: 476
Joined: Wed Apr 16, 2014 9:20 pm
Post Re: Unable to include zero in pencil marks
Thank you for fixing this.
I just assumed my iPad keyboard was going wonky.

[thumbsup]


Last edited by eclipsegirl on Sun Apr 19, 2020 2:14 pm, edited 1 time in total.



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Posted on: Sun Apr 19, 2020 12:10 am




Posts: 277
Joined: Fri Jun 17, 2011 8:15 pm
Post Re: Unable to include zero in pencil marks
pnm wrote:
...bots that are able to bypass the "I am not a robot" test... [glare] )

At least Alan Turing would be impressed.

It does seem weird that anyone would be probing this relatively niche website - it's not like they are actually even hacking anything except the capcha (or whatever you are using). I wonder if they are just laying the groundwork for something more involved or nefarious, but I can't guess what that might be. Annoying.


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Posted on: Mon Apr 20, 2020 11:34 am




Posts: 2714
Joined: Thu May 12, 2011 11:58 pm
Post Re: Unable to include zero in pencil marks
jaek wrote:
It does seem weird that anyone would be probing this relatively niche website - it's not like they are actually even hacking anything except the capcha (or whatever you are using). I wonder if they are just laying the groundwork for something more involved or nefarious, but I can't guess what that might be. Annoying.


About 50 fake accounts have been created so far (which, again, don't show up anywhere in stats/rankings/etc. etc.)

I dug a little a bit more, have reported the offending sources to the service provider that's hosting them..


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