tuor

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2019-05-03

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2019-05-02

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2019-05-01

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2019-04-26

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2019-04-25

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2019-04-24

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2019-04-12

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2019-04-11

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[07:58:13] tuor: havenwood: thx for all your explanation. I went trew it again. I think I understand the idea, but I still don't understand what symbols exactly are and how they work.
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[13:04:50] tuor: A symbol is an object which can be converted to a string or integer and is immutable. Is this all to know or are there other special things about symbols?
[13:15:30] tuor: Ah ok. So when to use them? What it the purpose or why not just using strings?
[13:22:52] tuor: OK. makes sense.
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2019-04-10

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[12:40:00] tuor: Hi, I'm currently reading https://docs.ruby-lang.org/en/2.6.0/OptionParser.html and wondering what this line exactlly doies: `Options = Struct.new(:name)`
[12:43:36] tuor: I don't know what an accessor is and where this class is defined (is Struct a class provided by ruby it self?)
[12:46:03] tuor: so Options.name would then be a Struct?
[12:48:25] tuor: OK let me try.
[13:24:30] tuor: Cork: I played a bit around. Now I don't understand why this code prints 'Class': `options = Struct.new(:name); puts options.class`
[14:04:25] tuor: Cork: so options is an instance of the class Class and has an attribute called name?
[14:18:41] tuor: Ah now, I'm creating a new class called Option.
[14:19:08] tuor: I was thinking I am instanciating a Class not creating a new class. Thats a big difference... :)
[14:21:38] tuor: I read your paste. I did understand I think even your metho to_s with the array to comma seperated words in the string.
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2019-03-12

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[08:31:19] tuor: Hi, this is how my code is right now: https://dpaste.de/ok5i
[08:33:17] tuor: Are there any "don't do that!" in it? Or do you have any sugsetion what I should do differently for reason x? I wrote ruby befor like 3 or 4 years ago and learned a lot with this channel. But don't hit me if I can't remember all of what you told me. ;)
[08:33:55] tuor: So I'm still a beginner. ;)
[10:00:40] tuor: Thx for your comments, this is what I got up with: https://dpaste.de/C0u4
[10:29:34] tuor: I have the rescue part in my code, how can I fail in a part of the script and jump to that rescue part. Like `error = 'failure reason; go to rescue`
[10:38:31] tuor: ljarvis: I'm trying to put it into a function. but how can I let the function fail? If I'm not happy with the given path the function should fail.
[10:44:17] tuor: I tried it but it doesn't fail on an empty string: https://dpaste.de/QL2u
[10:52:10] tuor: It is working like this: https://dpaste.de/tWbz
[10:52:38] tuor: ACTION is going afk, but come back later and will read if someone mentions him!
[13:01:12] tuor: I improved failure handling. How does it look now? https://dpaste.de/o4Dt
[14:23:31] tuor: phaul: I'll read and try to understand. ;)
[14:24:31] tuor: ah I understand. This would be a lot better then what I do. :) I will change it. thx!
[14:32:05] tuor: done and some other small changes (comments most of it): https://dpaste.de/58qd
[15:07:46] tuor: Thx for all your help today! I'll leave now. bye.
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2019-03-11

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[09:53:39] tuor: Hi, this is my code: https://dpaste.de/SZpp#L
[10:01:28] tuor: What I want to do is: if STDIN has a key path with a non empty string as value, make a Pathname with this string. I want to add to this code, that if path doesn't get assigned a pathname, path gets a default pathname. How should I do that? I could do it like this: https://dpaste.de/AHn0
[10:02:00] tuor: How would you do it?
[10:08:13] tuor: hmm ||= seems nice. I'll try. :)
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2019-03-07

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[08:38:01] tuor: hi, when should I use double quotes and when should I use single quotes for strings?
[08:56:21] tuor: It seems no general rule all agree on. But is my assumption right, single quotes are performing better?
[08:57:49] tuor: hmm ok. thx!
[14:35:27] tuor: Hi, is there ruby a option which passes a string as STDIN to a script? like ruby myscript --stdin '{"secret":"asdf"}'
[14:55:37] tuor: I can't call the ruby binary with bash. It's called by my IDE RubyMine and RubyMine doesn't support redirection of STDIN... So I am looking for some other way. Right Now I use STDIN.reopen('/tmp/path.json') in the beginning of my ruby script, but I have to comment it out befor each git commit. That's not very nice.
[15:48:40] tuor: How can I test if a passed object to a method is of a specific class?
[15:53:28] tuor: let me try.
[15:55:00] tuor: is working thx!
[16:22:11] tuor: ACTION can't remember having see === befor.
[16:22:22] tuor: s/see/seen/
[16:26:15] tuor: #is_a? and === seem both to be fine to me. :)
[16:30:31] tuor: I like the #is_a? variation, in my opinion it's more readable.
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2019-03-06

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2019-03-05

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2019-03-01

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2019-02-28

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2019-02-26

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2019-02-25

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2019-02-13

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2019-02-11

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2019-02-08

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2019-02-05

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2019-01-31

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2019-01-30

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2019-01-29

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2019-01-25

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[10:15:48] tuor: hi, what does this line? `hostgroup_create = hostgroup_create ? 1 : 0`
[10:16:23] tuor: I know it is a variable assignment but the part with `? 1 : 0` is new to me...
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2019-01-21

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2018-12-17

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2018-12-06

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2018-11-22

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[10:56:44] tuor: hi, I did configure rvm and change my terminal to use bash --login instead of bash. But I can't change how my IDE RubyMine invokes bash. In my terminal rvm is working just right but in my IDE I'm getting a warning:
[10:56:57] tuor: Warning! PATH is not properly set up, /home/aaron/.rvm/gems/ruby-2.5.1/bin is not at first place.
[10:57:33] tuor: RubyMine 2018.2.5
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2018-11-19

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2018-11-16

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2018-11-07

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2018-10-31

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2018-10-30

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2018-10-25

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2018-10-24

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2018-10-23

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2018-10-22

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2018-10-19

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2018-10-18

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2018-10-17

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2018-09-20

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2018-09-19

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2018-09-18

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2018-09-17

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2018-09-14

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2018-09-11

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[08:09:12] tuor: hi, I have installed the rvm package from the ppa: ppa.launchpad.net/rael-gc/rvm/ubuntu/.
[08:11:23] tuor: Now I have tried to install ruby with rvm, but I got a lot of erros like this: tar: binscripts: Cannot utime: Operation not permitted
[08:12:18] tuor: What could be the problem?
[08:20:46] tuor: Knappe: did the trick thx.: rvmsudo rvm get stable
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[08:23:57] tuor: Knappe: checkout https://freenode.irclog.whitequark.org/ruby/2018-09-10 for the history of yersturday
[08:24:31] tuor: s/yersturday/yesterday
[08:27:25] tuor: found it in the channel description. ;)
[08:34:00] tuor: :) -> ruby-2.5.1 - #compiling.....
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2018-08-08

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2018-07-26

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[06:51:28] tuor: (my setup: Ubuntu 16.04) Hi, I have installed gem with sudo and now I always need sudo to install gems. How can I remove all gems and start over with all my gems in my $HOME? So I don't require sudo to install gems....
[07:07:37] tuor: apt install ruby (I think)
[07:07:52] tuor: dalpo: pretty shure yes.
[07:08:40] tuor: I want to be able to install gems an use bundle and rake in my home without sudo. What do I have to do?
[07:12:24] tuor: I'm the only user of this laptop. Can I install ruby in a way, that gem, bundle, rake, what ever is all handled inside my home by default?
[07:33:06] tuor: I'll check it out. thx all of you for your help!
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[07:38:02] tuor: ACTION is back again.
[08:02:19] tuor: Radar: thx :)
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2018-07-25

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2016-01-12

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2016-01-11

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2016-01-05

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2015-12-21

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2015-12-02

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2015-11-30

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2015-11-22

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2015-11-14

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