<soLucien>
how can i get all methods of a object ?
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<agent_white>
soLucien: Pass it methods? "obj.methods"
<soLucien>
ok i did that .. still not working properly .. here's a gist of what i'm doing. I want the function to return this string. In the future, i want the return value to change, but for now this is the mocked output https://gist.github.com/s0lucien/37dc48463393359cd0ff3dd3487f5870
<soLucien>
ok i got what i was doing wrong
<soLucien>
was calling :hyperv_switches
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<soLucien>
instead of hyperv_switches to get the value
<agent_white>
obj.send(:hyperv_switches) would be a valid way to call it via a symbol.
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<al2o3-cr>
just call hyperv_switches simply
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<helllojesus12>
Hello, I was hoping someone could help me with an installation of ripper. The error I get is No rule to make target /parse.y needed by ripper.y. Stop.
<helllojesus12>
whoami
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<pickandmix>
Anyone can help with rvm? :/
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<pickandmix>
Anyone can help out on RVM make j issues?
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<soLucien>
i have used send, and i realized the code became very hard to comprehend
<dminuoso>
soLucien: It is much easier to comprehend than what you are doing.
<dminuoso>
It is also very explicit about what you are doing.
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<dminuoso>
soLucien: At any rate, send has a flaw though - using it in this manner requires care - as if the method is based on user input, it can give a user direct control over methods being controlled.
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<fergal>
hi guys, currently i have `res = @myobj.some_check? arg1, arg2 if @myobj`, so i’m calling some_check? if myobj isn’t nil. is there a nice way of returning false to res if myobj is nil?
<dminuoso>
(Which will only send the method name if the receiver is not nil)
<dminuoso>
So for your case: @myobj&.some_check?(arg1, arg1)
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<fergal>
dminuoso: unfortunately we aren’t allowed to use 2.3, but that’s cool!
<dminuoso>
fergal: Are you using Rails by any chance?
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<fergal>
nope
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<dminuoso>
fergal: You could reimplement Object#try if you use this a lot.
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<dminuoso>
It's the pre-2.3 solution to the problem, where you simply do: receiver.try(:method, arg)
<dminuoso>
(It's trivial to implement this)
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<fergal>
dminuoso: i’m very much a ruby noob, so all this syntax is very new to me, are there any ruby learning resources geared towards people who already know java/c++?
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<dminuoso>
I'll pass that question on to others. Not an expert on Ruby books beyond those that detail its internals.
<snebel>
was wondering what exactly means the inject(:+)
<snebel>
I can wonder that is doing memo + element
<snebel>
but don't completely understand...
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<snebel>
I know you can use &:method in blocks as shorthand but never saw this :+ before..
<snebel>
any clues?
<syndikate>
Summation
<snebel>
yeah but where the memo and element are ?
<snebel>
what the colon means here ?
<jhass>
inject/reduce has a special case there, if the argument is a symbol and no block is given, it's equivalent to &symbol
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<snebel>
thanks, I'm going to review how this "hack" works :-)
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<TheCubeLord>
I Wrote a program that encodes a string in Base64 SHA1 Base32 and MD5 then I mixed it up
<TheCubeLord>
here is 1234: R0EyRElaSlFHUTNEQ1lSWkhGUkdLTUpUTU5SR01ZVEVIRlJUQ1pSUUdFWVRN
<TheCubeLord>
TkRGTU1aREtaQldHUlNUSVlURw==
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<jhass>
I wouldn't call SHA1 or MD5 encodings
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<TheCubeLord>
its base 64 encoded of SHA1 witch encoded MD5 and so on
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<leitz>
The object I'm working on has attributes that are hashes. Is there a better solution than "@char['character'].stuff['benefits'].count" or is that sort of normal?
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<jhass>
TheCubeLord: to me an encoding is two way, there's a corresponding decoding function. MD5 and SHA1 are hash functions, one of the properties of a hash function is to have no inverse function
<jhass>
leitz: sort of
<jhass>
it can make sense to turn the hashes into little databag classes
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<TheCubeLord>
i know
<leitz>
jhass, thanks. I wasn't sure if it was just me the newbie doing things the hard way. As I go forward, some of the hashes can turn into classes.
<TheCubeLord>
for password databases it is important
<heftig>
there's Struct and OpenStruct if you want to avoid hashes
<TheCubeLord>
so I made that program in ruby as a proof of concept
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<heftig>
TheCubeLord: no, baseX is pretty useless for passwords
<heftig>
it's just a transfer encoding
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<jhass>
btw chaining hash functions doesn't necessarily strengthen them, I even vaguely remember reading something about certain combinations to weaken the properties of each
<TheCubeLord>
people still use it
<heftig>
no, they don't
<heftig>
if you want to store passwords, use scrypt or bcrypt
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<TheCubeLord>
in MySQL
<heftig>
don't use simple hash functions
<TheCubeLord>
dude its going to be in the web the database
<jhass>
scrypt and bcrypt are proving password hashing schemes, be smart and make use of the expertise of hundreds of people with more experience than you, don't make up your own scheme
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<jhass>
*are proved
<workmad3>
well, 'proven' (assuming the problem they're based on is actually hard... but that's the weak point in pretty much every piece of crypto currently in existence)
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<workmad3>
scrypt and bcrypt are decent schemes though because they can be scaled up by work factors, allowing existing hashes to be strengthened as computational power increases
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<workmad3>
TheCubeLord: btw, both md5 and sha1 should be pretty much ignored because they're badly compromised nowadays
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<TheCubeLord>
workmad3: so wha
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<jhass>
TheCubeLord: why don't you just store plaintext passwords then?
<jhass>
ffs rspec
<jhass>
-"tags" => (a collection containing exactly "cee" and "loo"),
<jhass>
+"tags" => ["cee", "loo"],
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<TheCubeLord>
jhass: cause if there is a database leak everyone will know everyone's password
<tobiasvl>
?
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<tobiasvl>
TheCubeLord: they will know them if there is a database leak and you've used hashes that can be broken
<workmad3>
TheCubeLord: using your own hash based off md5 and sha1, a database leak is likely to cause that within about 20 minutes of the breach anyway
<TheCubeLord>
How do you make your own Hash then
<workmad3>
(or less, if you happen to have achieved a weakening of already weak functions with your chaining)
<tobiasvl>
read up on rainbow tables
<tobiasvl>
at least salt your hashes
<heftig>
TheCubeLord: you don't, you use bcrypt
<TheCubeLord>
heftig: No I make my own
<heftig>
you're setting yourself up for failure
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<workmad3>
TheCubeLord: pretty much, you don't... creating a secure, one-way hashing function is a very long, involved process that involves quite a bit of maths, a lot of verification and then quite a bit of time making sure it's implemented in a secure way
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<TheCubeLord>
kk
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<TheCubeLord>
thanks Google
<TheCubeLord>
lol
<workmad3>
TheCubeLord: I think the SHA3 standard took about 5 years before people were happy it was actually a good algorithm, and it'll probably be a year or two more before people really trust the implementations to not have issues
<jhass>
5 years of competing proposals to be developed and evaluated
<tobiasvl>
you need to first make a good hashing algorithm, and then prove that it's strong enough. and even then the collision space might be smaller than was originally thought, as was the case with MD5
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<workmad3>
oh wait, *9* years from opening up submissions for SHA3 standards to it being an actual standard...
<workmad3>
just double-checked my dates :)
<TheCubeLord>
great
<TheCubeLord>
ill get started then
<workmad3>
TheCubeLord: or you could just use bcrypt or scrypt...
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<tobiasvl>
what a weird conversation
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<workmad3>
(or some other PBKDF standard)
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<jobat>
Cubelord: no-one's trying to insult you, they're just trying to help you understand why rolling your own crypto is a really bad move. You should really listen to them.
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<ardian_>
Hello I am using the mediawiki API, and when creating an article, I need to get the id of that article, using IRB i am able to see the pageid, but in a script not
<ardian_>
how would I go with returning the pageid or saving it
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<DefV>
can I deconstruct an array in while? e.g. arr = [[1,2], [3,4]]; while a, b = arr.pop; p a + b; end
<DefV>
(that doesn't work, which is why I'm asking)
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<hanmac>
DefV: why you using while and no each?
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<jhass>
?code ardian_
<ruby[bot]>
ardian_: We can't help you without your code, please post it to https://gist.github.com
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<jhass>
show the working irb session too
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<JakeP>
Hey guys, how can I debug my program to see where it hangs? I've tried using "ruby -rdebug" but it hangs in there too, leaving me unable to continue debugging.
<jhass>
DefV: you can't. Perhaps there's an elegant solution to your actual problem
<jhass>
?pry JakeP
<ruby[bot]>
JakeP: Pry, the better IRB, provides easy object inspection `ls`, `history`, viewing docs `?`, viewing source `$`, syntax highlighting and other features (see `help` for more). Put `binding.pry` in your source code for easy debugging. Install Pry (https://pryrepl.org/): gem install pry pry-doc
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<JakeP>
Ah thank you, I'll give that a try.
<jhass>
add pry-byebug and you can even step through
<DirtyF>
hi I'm a Ruby noob, what's the recommended way to avoid too long lines for URLs? For instance how would your rewrite an URL like : "https://res.cloudinary.com/#{settings["cloud_name"]}/image/fetch/c_scale,w_#{natural_width},q_auto,f_auto/#{image_url}"
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<dell>
@jhass: so any book on ruby is okay, right?
<jhass>
dell: pretty much
<jhass>
don't get any 1.8 stuff though
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<jhass>
DirtyF: seems still okayish to me
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<jhass>
hide it in a method
<DirtyF>
yep but Rubocop rules tell to keep it under 90 chars
<jhass>
I told rubocop otherwise ;)
<DefV>
Rubocop is drunk & should go home
<DirtyF>
the rules are defined by the maintainers of an open-source project, I don't get to choose :)
<jhass>
you can do something like "foo" \[newline] "bar"
<dell>
is version 1.8 obsolete and no more in use. I think so.
<JakeP>
So guys, I'm wondering if some of you can help me with my ongoing issue. I'm trying to make a username variable that contains a set string with an incrementing integer on the end. I'm using a counter already programmed that counts how many loops have completed, which fits perfect in theory, but my program hangs right after the username is created
<JakeP>
.. puts @username shows the correct value, but I can't figure out why it hangs..
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<DirtyF>
jhass: will try that thanks
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<jhass>
dell: yes, it is. Technically 1.9 and 2.0 are EOL too, 2.1 will be in february, but for basic guides just using 2.3 with the examples should still work
<jhass>
JakeP: you're saying custom_names.txt has more than one entry, you get to line 67 for the first, but not for the second?
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<JakeP>
Oops, I've two halves of code there!
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<JakeP>
I'm not even referencing that file anymore, it seems to be just holding my statement together.
<jhass>
gist supports multiple files, if you got more than one file create more than one file on gist too
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<JakeP>
Just to clarify, I can use custom_names to create generated usernames from a list, but it's still too disorganised when dealing with 200+ accounts
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<jhass>
btw are you a spammer or what's your motivation here anyway? Did you check whether the services ToS allows for what you're doing?
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<JakeP>
It's just creating multiple accounts within a game, no spam at all
<Papierkorb>
Botting is most likely against their ToS
<JakeP>
Nothing mentioned within the sign up ToS, obviously in game botting is, but theres none of that.
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<JakeP>
This is just account creation, nothing more than that
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<leea>
>> a = [1,2,3,4]; while (b = a.pop); puts b; end;
<p1k>
matthewd: say I have method chain a-> b-> c, I have changed c, so 'a' will produce a different result, but I want to keep the old 'a->b->c' for migration purposes
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<matthewd>
That doesn't sound easy
<al2o3-cr>
my problem is i need get rid of the first 0's on the left the split by 7 and nothings coming to be at the moment on how to do that :(
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<dminuoso>
p1k: Note that alias_method_chain is a deprecated construct in favour of Module#prepend
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<dminuoso>
p1k: The cleanest solution would be to not rely on rubys dispatch algorithm, but to dispatch yourself if you have some custom needs.
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<p1k>
dminuoso: prepend won't keep the old chain though
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<p1k>
dminuoso: e.g. if you overwrite 'c' the old 'a' will call to the new 'c'
<agent_white>
Moin' folks
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<dminuoso>
p1k: alias_method will be your solution then.
<dminuoso>
p1k: (It lets you change and undo any change as you please)
<dminuoso>
Whether you copy ActiveSupports alias_method_chain is up to you.
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<dminuoso>
p1k: Though depending on what you are doing, refinements may do the same too (as they allow you to locally monkey patch functionality)
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<dminuoso>
the "original functionality" is kept in the original class wherever the refinement was not activated.
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<dminuoso>
i.e. module WithRefinement; using FooExtension; *code*; end; end
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<p1k>
dminuoso: alias_method won't keep old references
<p1k>
dminuoso: so the chain will use the new methods
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<p1k>
dminuoso: I guess you could clone a class and refine or prepend, mhm
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<dminuoso>
p1k: Why clone?!
<dminuoso>
p1k: The whole idea of refinements is that you don't need to clone anything.
<dminuoso>
The whole idea of alias_method chaining is that you can keep old methods if you want.
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<p1k>
dminuoso: .. you can keep the old 'a' but if old a reads def a; return b; end -- that will call the new 'b'
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<p1k>
dminuoso: because b is looked up on the lexical scope it's not bound to a particular function at declaration
<p1k>
dminuoso: refinements alter the lexical scope which is great, but I don't have access to the old scope anymore ?
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<p1k>
unless there is a with_refinement Refinement do .. end kind of thing ?
<dminuoso>
18:52 < dminuoso> i.e. module WithRefinement; using FooExtension; *code*; end; end
<dminuoso>
That is exactly what refinements do p1k.
<dminuoso>
Though keep in mind they can completely bust method calling performance.
<p1k>
dminuoso: is there a block based syntax by chance?
<p1k>
I guess Module.new do using FooExtension end will work? idk how performant that is tho..
<dminuoso>
p1k: You can activate a refinement anywhere and use class_eval later on.
<p1k>
dminuoso: can you remove a refinement ?
<dminuoso>
(And that by the way is the precise reason why refinements completely destroy method calling performance)
<dminuoso>
p1k: Not that I am aware of.
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<dminuoso>
Well, other than not class_evaling on the module/class that activated the refinement.
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<dminuoso>
So you can easily define a "with_refinement" wrapper method if you want.
<p1k>
dminuoso: Ideally I'd like to do without_refinement, but I guess I could just add an extra scope
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<dminuoso>
p1k: think the other way around. Have the functionality you need like that packed inside a refinement.
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<bsmith>
Hey, I'm attempting to test a rails / react app using rspec, capybara, and selenium. The react component simply fails to render. I am using qt5.6. Any ideas would be greatly appreciated!!!
<dminuoso>
p1k: use alias_method to swap the logic around and then just use a refinement.
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<dminuoso>
bsmith: ?rails
<dminuoso>
?rails
<ruby[bot]>
Please join #RubyOnRails for Rails questions. You need to be identified with NickServ, see /msg NickServ HELP
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<bsmith>
dminuoso: okay, rails is about the most irrelevant detail in the description of my question. That's okay though have a good one
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<dminuoso>
bsmith: You mentioned a huge stack of ruby parts that are more used by the rails community. If you feel your problem has nothing to do with rails feel free to stick around, but your chances are getting some insights might be better over there.
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<dminuoso>
(Though Im really curious what react, ruby, rspec, capybara, selenium or ruby have to do with Qt)
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<wrkrcoop>
im trying to force a timeout response using this gem manticore. but when i set connect_timeout: 0.0 i still get a response … that isn’t a timeout response … anyone know how i can get this to timeout? https://github.com/cheald/manticore
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<shmulik_mobile>
Uhh that's ok for me, i need only for english, another languages send as ucs-2 with 16bit big-endian
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<workmad3>
shmulik_mobile: wow, things still use ucs-2? I thought pretty much everything had shifted to UTF-16 properly by now
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<shmulik_mobile>
Yea our smsc support that ucs2
<T2ya>
Hello. I've been learning ruby for the past few days. i managed to create this https://repl.it/Chij/6 . Initially my goal in mind after replacing multiples of 3 and 5 was to have it replace any number that began with a 1. I noticed that what i wrote ends up replacing anything with a 1 instead of looking at the first number.Can someone point in the right direction as to how i can go about replacing only the number in the tenth's or hundredth's p
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<dminuoso>
T2ya: While Im looking at your code, please try to avoid repl.it - use eval.in to share snippets with us, it's not as buggy.
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<T2ya>
My apologies, it was the only one site i was familiar with. will do.
<dminuoso>
T2ya: Not an issue, just a friendly reminder. Alright the issue is very simple - gsub is a method that quite explicitly replaces things.
<dminuoso>
T2ya: What you want to use is either string.match(regular_expression) or the more perl-like version string =~ regular_expression
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<dminuoso>
(Personally I much prefer the first since it also returns match data and is far more rubyeque)
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<T2ya>
I'm going to read up on it now and attempt to apply it. Cheers!
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<dminuoso>
?cookie
<ruby[bot]>
here's your cookie:
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<wrkrcoop>
is sub a keyword in ruby? i looked it up and it seems like it is … my coworker is using it as variable name so im wondering if he is overriding it ...
<Papierkorb>
wrkrcoop: Why should the String#sub method suddenly be special? Why do you trust a random page on the internet on a core language feature?
<Papierkorb>
He's gone. How boring.
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<kegster>
heh
<kegster>
what a wanker
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<kegster>
ruby has been interesting
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<kegster>
is there any practical reason to use var[:foo] vs var["foo"] ?
<borodin>
hey fellas. Suppose I have an array of hashes, and I need to pick hashes from the array based on values. How do I do that? for example: [{"a"=>1},{"b"=>2},{"c"=>3}]
<borodin>
something like data.select{|k,v| v>2}
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<toretore>
select will give you each object in the array, i.e. each individual hash
<havenwood>
borodin: or try that ^ with select instead of find, or with hashes with multiple keys and values!
<Facts>
hey
<havenwood>
Facts: hey
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<Facts>
Are you a developer with answers ?
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<Nilium>
There are no answers. These are dark times, Facts, these are trying times. We have not seen an answer in many moons now. The well of knowledge has all dried up.
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<Danny__>
im trying to do DateTime.strptime with this value, and it's saying invalid date: 2016-08-02T01:31:36.473Z
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<Danny__>
thanks all!
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<Danny__>
one more thing, how do i get it back to into my timezone?
<Danny__>
US/New York GMT -4
<jhass>
plain Ruby or with Activesupport/Rails?
<Danny__>
plain ruby
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<jhass>
is DateTime.iso8601("2016-08-02T01:31:36.473Z").to_time.getlocal good enough?
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<jhass>
or .localtime is the nicer alias I guess
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<Danny__>
thanks! ok ONE more....trying to isntall mysql2 on ubuntu, getting an error about not being able to build native extensions....any ideas on that one?
<xpitr>
apt install libmysqld-dev
<jhass>
libmysqlclient-dev or libmariadbclient-dev
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<xpitr>
lucky you have error message. i had gem install stuck for hour before i realized it silently fails and tries again over and over
<Danny__>
lol
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<Danny__>
thanks guys! trying now
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<havenwood>
Danny__: When you use `sudo` it's dropping your environment, and along with it the RVM environment variables.
<jhass>
?abi xpitr
<ruby[bot]>
xpitr: Each Ruby release has actually two versions, the interpreter version and the ABI version. The interpreter version is what commonly is referred to, like 2.1.5. The ABI version is for the binary interface used by compiled extensions and it is what you see in your paths. It's shared among one re
<ruby[bot]>
lease series, for example for the Ruby versions 2.1.0 to 2.1.5 the ABI version is 2.1.0.
<xpitr>
rvmsudo prevents that iirc. or just don't install with sudo
<xpitr>
or better yet, use bundler and install to project's dir
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<havenwood>
Danny__: Don't use `sudo` to install gems with RVM. If you need sudo without dropping the RVM environment, there's `rvmsudo`.
<Danny__>
gotcha
<Danny__>
that worked!
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<xpitr>
ruby 1.9.1 is over 7 years old, heh
<jhass>
it's 1.9.3
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<jhass>
still old, but to be correct
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<xpitr>
oh i see. this ubuntu version is weird. named after abi, yes? >>Inst ruby1.9.1 (1.9.3
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<jhass>
yes
<ytti_>
it's because dpkg, rpm etc have not been designed to support multiple versions
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<xpitr>
i should use nix :P
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<zyriuse>
hy all
<zyriuse>
i've a question
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<tvon>
An oft repeated phrase is "Don't ask to ask, just ask".
<zyriuse>
i create file with different methode like ( select_mysql, update_mysql etc..)
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<zyriuse>
what i try to do is to call only the methode for example select_mysql and return the value
<havenwood>
MaraJade: You might need to install the gem deps for the project by running `bundle` from the rimesync root dir.
<baweaver>
MaraJade: Install bcrypt
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<havenwood>
MaraJade: If you weren't using a project with a Gemfile, you'd just: gem install bcrypt
<baweaver>
^
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<MaraJade>
I've done that, but it still gives me the error
<MaraJade>
I bundle installed, I gem installed, I installed from several different locations... It just doesn't seem to want to work
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<havenwood>
MaraJade: Confirm you've installed bundler with the RVM Ruby you're using for this project.
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<havenwood>
MaraJade: gem which bundler
<havenwood>
MaraJade: which bundle
<havenwood>
MaraJade: You may need to: gem install bundler
<havenwood>
(Presuming you're indeed bundling but using a bundler binary from a different version of Ruby.)
<MaraJade>
Those result in "/home/goossenm/.rvm/gems/ruby-2.2.2/gems/bundler-1.12.5/lib/bundler.rb" and "/home/goossenm/.rvm/gems/ruby-2.2.2/bin/bundle"
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<havenwood>
MaraJade: And what command are you running to get the error?
<MaraJade>
havenwood: "dashing start"
<havenwood>
MaraJade: And same Ruby with?: gem which dashing
<havenwood>
MaraJade: Confirm same error with?: bundle exec dashing start
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<MaraJade>
Yep. Ruby 2.2.2 for all of them, bundle exec dashing start results in the same error
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<havenwood>
MaraJade: Is bcrypt in your Gemfile? Can you link to the Gemfile you're using? (It seems it's not exactly the same as the one on the Githubs you linked to.)
<havenwood>
MaraJade: Distracted at the moment but confirm the dir where you're running the command from has the Gemfile with bcrypt. Did you add this gem to the dashboard project?
<havenwood>
wrkrcoop: Give it a try!
<adaedra>
wrkrcoop: #ruby-offtopic is the other door ;)
<MaraJade>
havenwood: The gemfile that I'm running it from doesn't have it, actually. Let me try that...
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<MaraJade>
Hey that worked!
<MaraJade>
Alright, so I just had to add all the gems to the top project's gemfile, and now it works
<MaraJade>
Thanks for the help
<havenwood>
You're welcome, happy coding!
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<Dysp>
Hi! Is there any destructive alternative to drop?
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<jhass>
.tap(&:shift) ?
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<Dysp>
Doing two maps work, doing the first one doesnt.
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<jhass>
self.max changes within the loop as you modify the array
<Dysp>
I actually just thought so
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<Dysp>
Sometimes you just need to ask the right question to understand what is wrong
<Dysp>
Thank you nevertheless
<aeruder>
honestly i think even the self.map! { |x| x - self.max.abs } may not work for all inputs
<jhass>
^
<aeruder>
you should capture it first anyway
<Dysp>
I will
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<jhass>
so a third variant that _I guess_ is closer to what you want and doesn't just work by accident is max = self.max.abs; map! {|x| (x - max) * -1.0 }
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<lupine>
it's solidly procedural
<lupine>
I recommend a course of POODR and Clean Code
<Dysp>
I've actually read poodr.
<lupine>
ah, but did you internalise it?
<Dysp>
internalise?
<Papierkorb>
Dysp: Enumerable#partition could be worth a look too for this case
<lupine>
reconstruct your mental models and thought processes in light of its contents
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<Dysp>
Yes and no. Since I am learning to program, I don't really have a mental model yet. It's more like learning by doing.
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<lupine>
for wonky stuff I sometimes start from procedural code ands refine it, myself, but it's relatively rare
<baweaver>
kicks.group_by(&:type)
<Dysp>
I've definetly understood some key parts and some I didn't. Time will come for a reread. You can only read so much before actually practicing.
<lupine>
clean code talks in java but it's still a worthwhile read
<Dysp>
Gotta actually start to code before I can refine the ability ^^
<Dysp>
I've noted down all other suggestions, by the way. Will read up on them.
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<lupine>
yeah, my first game was tetris. I worked out the matrix transforms for piece rotation in advance, in giant case tables
<lupine>
it worked, but it wasn't pretty :D
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<Dysp>
Haha. That's the way! And the same approach I have, I believe.
<Dysp>
Sometimes you just gotta get something to work to feel successful. Then you can improve.
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<Dysp>
I've been on this channel for 5 months or so now
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<zach2825>
hi does anybody here know how to install the Process module?
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<Dysp>
And I've been working on the exact same program/script. It has been rewritten 3 times so far. Doing the exact same, but slow implements better ideas and concepts.
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<zach2825>
i keep getting this error uninitialized constant Process::CLOCK_REALTIME (NameError)
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<lupine>
anyway, code generally belongs with the data it's operating on, which is the point baweaver is also making, I think.
<jhass>
zach2825: it's a core ruby class, it should be just available
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<lupine>
not all platforms will have a realtime clock, will they?
<jhass>
that probably means your Ruby version is too old, it was a fairly recent addition iirc, 2.2 or 2.3
<baweaver>
More of saying this is as simple as a one liner, and not to worry about complicating it with objects unless you really need to.
<zach2825>
what the hek then. im really starting to HATE ruby
<Dysp>
I have class that represents some data type; in this class I do all the calculations. I've started to actually move some of the functions that could be useful elsewhere to modules, which is a big improvement. But I guess the correct way is more classes
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<lupine>
it's a oneliner once you move the discriminatory code into the class
<Dysp>
I just fail to recognize those cases. Also duck types got me confused.
<lupine>
get_kick_type(d) => d.type, etc
<jhass>
Dysp: what do you actually need the :Lxx or :Rxx keys for? you'll hardly have a literal :L123 in your code later on, right? (which means symbols are the wrong choice)
<Dysp>
Each key represents a "kick".
<Dysp>
So eventually I will call the specific kick data from the hash using the key
<jhass>
is the group_by result enough? ({:left_kick => [series_a, series_c], :right_kick => [series_b, series_d]})
<zach2825>
jhass: thank you just running "rvm get stable" to update and try that resolution
<Dysp>
Let me show you how an object looks when done
<Dysp>
With zero formatting
<lupine>
Dysp: is there any reason why the key needs to be that specific format? does it matter if you use, I dunno, object_id instead?
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<Dysp>
moment. Making it readable
<Dysp>
Just a bit
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<jhass>
just write it readable in the first place! ;)
<jhass>
structure your data so it's easiest to consume by your program, defer any formatting for the human to the latest point possible, ideally directly in the output producing code
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<jhass>
those :Lxx keys don't look easily consumable by a program
<Dysp>
How come not?
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<Dysp>
I mean, what am I "losing" to do it this way? Does it take longer to compute?
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<jhass>
possibly, at least it takes more memory
<lupine>
Dysp: presumably you're sorting at some point?
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<Dysp>
Sorting?
<Dysp>
I know what sorting means. But what would I sort?
<lupine>
the output. so it goes L1, then L2, then L3, etc
<Dysp>
Hm. It never outputs per se
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<Dysp>
It should simply produces an object with @data = what-you-saw
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<Dysp>
And then I will be using rails to take care of that object
<Dysp>
... I think
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<Dysp>
:D
<lupine>
so the IDs are never used?
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<zach2825>
how do you tell bundle install to use the new version of ruby 2.2?
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<Dysp>
Well, I havent researched at all into database and such
<Radar>
zach2825: depends on what you're using to manage your Ruby versions
<zach2825>
on a linux(ubuntu) server
<Dysp>
But I was thinking to serialize the object into a database, then to receive the whole object whenever it is need.
<Dysp>
So yes, I will be using the ids/symbols to correctly refer to the kick I want
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<Dysp>
I do like these conversations. It help me understand the world of programming. But I the probability of me picking the most efficient and optimized way of doing things are slim. I am simply building a prototype to present to my bosses, so I can hopefully get funding to supervise a redevelopment with 'real' developers.
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<Dysp>
They help*
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<Dysp>
And the objects serialized are rather small, so I don't think it matters much how I store the data. As long as it works.
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<Dysp>
The calculations are what take the time. But that is a problem I will deal with whenever I get the rails part going.
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