#ruby on 2021-01-19 — irc logs at freenode.irclog.whitequark.org

2020-12-25 00:04 havenwood changed the topic of #ruby to: Rules: https://ruby-community.com | Ruby 3.0.0, 2.7.2, 2.6.6: https://www.ruby-lang.org | Paste 4+ lines of text to https://dpaste.org | Books: https://goo.gl/wpGhoQ | Logs: https://irclog.whitequark.org/ruby | BLM <3

00:00 <alexherbo2> havenwood: wow

00:00 <alexherbo2> found the best solution :D

00:01 <alexherbo2> DB.transaction do ... end

00:01 <alexherbo2> inside the block add all the queries

00:04 <alexherbo2> without a block, there is the manual solution db.transaction and terminate with db.commit after all the sql execute

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01:08 <plujon> CSV($stdin, headers: true) { |csv_in| } # warning: Using the last argument as keyword parameters is deprecated

01:09 <plujon> Must the above code be rewritten as csv_in = CSV.new($stdin, headers: true); ... ?

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01:14 <havenwood> alexherbo2: pokemons.map { |pokemon| sprintf '(%<index>d, %<name>s)', pokemon }.join(', ')

01:16 <havenwood> &>> pokemons = [{index: 42, name: 'Bobward', rank: 'Pidgeon'}, {index: 43, name: 'Pika'}]; pokemons

01:16 <havenwood> .map { |pokemon| sprintf '(%<index>d, %<name>s)', pokemon }.join(', ')

01:16 <rubydoc> # => [{:index=>42, :name=>"Bobward", :rank=>"Pidgeon"}, {:index=>43, :name=>"Pika"}] (https://carc.in/#/r/a9x7)

01:16 <havenwood> &>> pokemons = [{index: 42, name: 'Bobward', rank: 'Pidgeon'}, {index: 43, name: 'Pika'}]; pokemons.map { |pokemon| sprintf '(%<index>d, %<name>s)', pokemon }.join(', ')

01:16 <rubydoc> # => "(42, Bobward), (43, Pika)" (https://carc.in/#/r/a9x8)

01:16 <havenwood> alexherbo2: That's ^ what I meant.

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01:17 <havenwood> alexherbo2: Glad you found a solution. :)

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01:24 <havenwood> plujon: I'd have thought `CSV($stdin, headers: true)` would complain about two arguments, not keyword parameters?

01:25 <havenwood> plujon: https://github.com/ruby/csv/blob/v3.1.9/lib/csv.rb#L2664-L2666

01:26 <havenwood> plujon: Ah, right: https://github.com/ruby/csv/blob/v3.1.9/lib/csv.rb#L992-L1006

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08:02 * Cubixusin[m] sent a long message: < https://matrix.org/_matrix/media/r0/download/matrix.org/XpnQtpqlMDijRIryKEYSgoiz/message.txt >

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13:20 <Lynx_> Hi! I reinstalled Ubuntu and am now trying to use 'gem install', however I always get a timeout. I can ping rubygems.org fine, and also open the webpage. I disabled IPv6 as per some forum threads, but that did not help.

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13:28 <akem> Lynx_, Weird, check your firewall, or try from a different machine or virtual machine see if it works...maybe apparmor too. You may be able to download the gems files manually from the browser and install them localy as temporary workaround.

13:30 <Lynx_> When I run "wget https://rubygems.org/specs.4.8.gz" it works just fine, with gem install I get "Unable to download data from https://rubygems.org/ - timed out (https://rubygems.org/specs.4.8.gz)". I don't think it can be my network setup then?

13:32 <Lynx_> How would I download a gems files manually?

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16:13 <akem> Hey, why does gsub returns me an Enumerator on this example: ruby -e 'a=["aze","ddd","trt"]; puts a[1].gsub(/x/, '')'

16:14 <akem> shouldn't it returns me "ddd" ?

16:18 <adam12> akem: you're quotes are all mixed up

16:18 <adam12> akem: try changing the quotes inside gsub to double quotes.

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16:19 <prion> why is a[1].gsub(/x/,) even valid syntax

16:19 <prion> and why is it an Enumerator

16:19 <akem> Okay. Thanks adam12.

16:20 <akem> It should break somewhere else i guess however...It must be the gremlins for sure ;)

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16:21 <adam12> Looking at Ripper, it just ignores the ,.

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16:43 <naftilos76> Hi i am trying to make a curses window to scroll after text being printed reaches the bottom of the window. Scroll was enabled by calling the proper method Curses.stdscr.scrollok(true) but it just doesn't work

16:43 <naftilos76> The text starts filling the last line

16:44 <naftilos76> anybody having experience with curses?

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16:49 <prion> naftilos76: what function are you using to print the text

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16:49 <prion> i've written a text editor and an irc client that use curses and in both cases i just implemented my own window system and only used stdscr

16:50 <prion> i found it was just not worth the hassle but maybe that's just me being impatient

16:50 <leah2> agree

16:50 <naftilos76> prion: win1.attron(color_pair(1)|A_NORMAL){ win1.addstr("Hello (#{ctr})\n"); win1.refresh sleep 0.05; end }

16:50 <naftilos76> addstr inside attron block

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16:52 <naftilos76> prion: do you see anything wrong?

16:53 <prion> naftilos76: hmm, maybe try calling win1.idlok(true)

16:53 <prion> as well as scrollok

16:53 <naftilos76> i did it did not work

16:54 <naftilos76> let me try again

16:54 <naftilos76> nop it does not work

16:57 <naftilos76> prion: can you please have a look? just a few lines of code...

16:57 <naftilos76> https://pastebin.ubuntu.com/p/VftxkB3dZg/

16:58 <prion> what's the gem called

16:59 <naftilos76> gem install curses

16:59 <prion> and what exactly is the behavior you're looking for?

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17:00 <naftilos76> i was expecting the text already printed in the window to scroll upwards as soon as the the window is overflown with text

17:00 <naftilos76> each line is printed with "\n" at the end of the string

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17:01 <naftilos76> should i also be using return char "\r" ?

17:02 <prion> no

17:02 <prion> i can't run your code

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17:02 <prion> the color constants aren't defined

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17:03 <naftilos76> just use an integer like 1 or 2 for the foreground and 0 for the bg

17:03 <prion> how about A_NORMAL

17:04 <prion> where do these constants actually live

17:05 <naftilos76> you can omit that

17:05 <naftilos76> OR is being used so delete it

17:05 <prion> ok i see what you mean

17:06 <naftilos76> do you get the same artifact?

17:06 <naftilos76> text starts to fill the bottom line?

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17:07 <prion> yes

17:07 <prion> the same program verbatim works for me when written in C

17:07 <prion> there may be a problem with the gem

17:08 <naftilos76> ok i see thanks for your time

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17:09 <prion> naftilos76: wait i was reading it wrong

17:10 <prion> you're calling all of those methods on the wrong window (stdscr)

17:10 <prion> you need to call scrollok on win1

17:10 <prion> also it looks like idlok isn't actually necessary

17:11 <naftilos76> no it is not

17:12 <naftilos76> my BAD

17:12 <naftilos76> it works

17:12 <naftilos76> thanks man

17:12 <prion> np

17:12 <naftilos76> god dam it i spent 2 hrs

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17:13 <naftilos76> i'd be glad to buy you a beer :)

17:13 <naftilos76> if i may ask where are you located?

17:13 <prion> haha sometimes you just need a fresh pair of eyes

17:13 <prion> canada

17:14 <naftilos76> nice!

17:14 <naftilos76> nice place

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17:14 <prion> how about you?

17:14 <naftilos76> thanks again really appreciated

17:14 <naftilos76> i am greek

17:14 <naftilos76> currently living in Cyprus

17:14 <prion> nice

17:15 <prion> how is it there right now? like the restrictions

17:15 <naftilos76> we are closed down!

17:15 <naftilos76> we can to send a sms to get out

17:16 <naftilos76> and a person can only send 2 sms!

17:16 <prion> to get out of the city, or out of their house?

17:17 <naftilos76> just to go for shopping or jogging etc

17:17 <prion> that's crazy

17:17 <naftilos76> in order to get out of the city you really need a good reason

17:17 <naftilos76> otherwise you can't

17:17 <prion> what a world...

17:17 <naftilos76> 2020 was a god dam disaster

17:18 <prion> yep

17:18 <naftilos76> i am thinking that the worse haven't yet come

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17:18 <prion> for Cyprus or just for the world in general?

17:19 <naftilos76> for the entire world i d say

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17:19 <prion> most of the island countries seem to have been spared

17:19 <naftilos76> got a point there

17:19 <prion> i think it's dying down finally, mortality is returning to baseline in europe

17:20 <prion> plus the vaccine is starting to go out

17:20 <prion> i really hope everything is back to normal within a few months but i'm not optimistic

17:20 <naftilos76> well yes i suppose that we are gonna be ok after june/july

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17:21 <naftilos76> there are always those who claim that there are microantennas in the vaccine so that we can be controlled via the 5G networks :)

17:22 <prion> i believe it

17:22 <prion> we're all joining bill gates' army of drones

17:22 <naftilos76> i am feeling comfortable with that - i won't be needing my mobile anymore!

17:23 <naftilos76> anyway - thanks again! naftilos76.com

17:24 <prion> np :)

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22:59 <quazimodo> hi all

22:59 <quazimodo> I haven't worked with a rails/ruby team for a little while & haven't had any exposure, how're people feeling about the ruby 3 approach to types

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23:00 <quazimodo> is it generally a positive experience or is having it in a separate file feeling cumbersome?

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23:13 <havenwood> quazimodo: I feel great about it.

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