<newton>
so you're doing Dir.glob in your code, which'll get you a list of the images in the dir, but you've gotta read the file to get the data and pass that to encode
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<newton>
so something like base64_image = Base64.encode64(File.read(image))
<myappie>
and then img: base64_image,... and then later somewhere a decoder?
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<myappie>
this is confucius
<newton>
I have no idea what the output of the predict is going to give you ¯\_(ツ)_/¯
<myappie>
version.predict.finished? should be true
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<myappie>
and there should be a completed_at when running version.predict(inputs) after the pry
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<FullMetalStacker>
I have tried changing the permutation so that each permutation is checked if it contains 2 consecutive vowels or consonants so to add only the ones which don't and thus keep the sorting later on smaller. But that increased the computing time by 4x instead of reducing it, supposedly because the iterations are slowlyer than the plain regex. Has anyone a suggestion for me what I could do to cut computing time?
<leftylink>
permutation should not be used at all, then.
<leftylink>
it is not necessary to check every single permutation because the correct answer is uniquely determined by the strict rules: it must be the lexicographically first, so there can only be one possibility
<leftylink>
if this was a question about odd and even digits and they asked you to find the smallest number made of the digits 54321 that alternates odd ane even digits are you going to waste your time checking 54321 54312 54213 54231 54123 54132 no of course not, you know those can't be the smallest number
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<FullMetalStacker>
@leftylink I understand what you are saying but have no clue about how to implement a solution into code that takes this into consideration. do you have an idea for me?
<leftylink>
write down the process of how you, as a human, figure out what is the smallest number that alternates odd and even digits from the digits 54321. convert that written process into code in the language of your choice
<leftylink>
you certainly aren't doing it as a human by checking every single possibility, that's for sure
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<FullMetalStacker>
great advice, leftylink, thank you!
<leftylink>
for some general principles, one of the tags on that problem is algorithms, so it is useful to take a look at some of the listed general techniques in https://en.wikipedia.org/wiki/Algorithmic_technique and see whether any of them apply. as has already been experimentally determined by you, brute force is unsuitable. so now it is time to think about some of the thers
<leftylink>
that page might be said to list a lot. for a better idea of what should be a priority to look at first, one might consider what one university instructor thought was a good selection to teach their students http://www2.cs.uregina.ca/~mouhoubm/=postscript/=c3620/chap10.pdf
<leftylink>
they only selected five, so presumably starting with those five would be a good introduction
<leftylink>
I would of course never introduce bias into this process by selectively ony picking a university that I was associated with. it was just a random search result
<FullMetalStacker>
@leftylink: superthanks! this is my intro moment into algorithms! i guess slowly but surely i have to face that i will have to become a real coder now if i want to further improve :-) I love it.
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<FullMetalStacker>
currently working hard on reaching 2nd kyu on codewars, i guess diving into real algorithms & data structure topics is just about time for me now
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<sickdyd>
more like a ror question, but... when I run this User.where("email LIKE ?", "%test%") I get (Object doesn't support #inspect), any idea why?
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<ox1eef_>
Codewars reminds me of a modern day crosswords puzzle. Very cool.
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<lembron>
so... i got a old docker image, in there i "gem install mailcatcher" - "now this broke" - 'net-protocol' is not happy with the ruby version ||| how can i get this to still build? - i tried to version-constrain mailcatcher but that seems to have no effect
<lembron>
I still have a working image too, if there is any list-of-versions i can export&reuse or so?
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<lembron>
(updating the image-os / ruby is out of the question, this has to be this old version for CI)
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<ox1eef_>
lembron: 'gem install mailcatcher -v X.X.X'. 'Gemfile.lock' usually avoids this problem by locking your bundle to specific versions that won't drift over time.
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<lembron>
does that reference the/a lockfile in the package from upstream? how to check if that exists? or something i am expected/can create from my working?
<lembron>
on that note, i did get somewhere... "gem list", reformed to package:version, and then run a `xargs gem install --no-rdoc --no-ri < gems_ruby-2-1.txt`
<ox1eef_>
'gem install mailcatcher' does not use Gemfile.lock. It wil fetch the most recent version, which might stop working over time.
<lembron>
test-unit had some faulty 4-digit-version number, but for the rest that appears to be working
<lembron>
(and removing the version constrain on test-unit made the whole list work)
<ox1eef_>
Cool. But look into bundler. This is basically the problem it solves.
<lembron>
now the same again for ruby2.3 :D
<lembron>
a bigdecimal:1.2.8 that has been janked from the gemrepo... force that to 2.7 and thats working too =)
<ox1eef_>
Great success.
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<lembron>
well, historic 2.1, 2.3 & 2.5 handled, all images build, see ya in another 2 years ;D
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<sphex>
Wouldn't it be nice if you could initialize an object's instance variables with a syntax like this: def initialize @a, @b, @c = 123; end;
<sphex>
i.e., instance variables directly in the constructor's parameters list
<sphex>
That's one (fairly minor) thing that I find a little bit annoying with ruby, the constructors often have a bunch of lines of assignments that look like boilerplate.
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<adam12>
sphex: Every once in a while I think I'd like it, but tbh I'd rather it explicit.
<adam12>
Seems like less one thing to explain away (like attr_accessor and it's relationship to @var)
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<sphex>
right now I sometimes use Struct so that it handles initialization for me (because I'm just that lazy) but it's also something to explain away
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<adam12>
That's true, and I sometimes use Struct for that too. But Struct does have some baggage I don't always want (Enumerable being one)
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<sphex>
also, Struct's internal instance variables are "invisible" somehow? what's up with that?
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<adam12>
LOL. No idea.
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<drg99>
Hi, I am trying to run a command in this way: Open3.popen2("node run.js #{client_id}") {|i,o,t|, and client_id is having some spaces and parentheses inside. How would I pass it correctly without having sh syntax error?
<apteryx>
hi! I'm trying to enable the test suite for railties 7.0.4.2, and I'm a little confused, it says "LoadError: cannot load such file -- rails/api/generator" at the time of running 'rake test'; isn't that provided by itself?
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<adam12>
apteryx: That's strange. `bundle check` is OK?
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<FullMetalStacker>
#frontendframework: do you guys work with a frontend framework such as React, Vue.js, etc. or with Rails only? If with a framework, what would be the best one to learn in 2023 for a newcomer? My current idea is to go for React and then also React Native for a solution for adding native mobile Apps to the Rails backend. Is that the best curriculum to advance myself as an upcoming Rails Dev in 2023?