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    I have global gems and various gemsets. I want to remove all gems of a gemset. Is there a way do to this, besides uninstalling the gemset? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like to pass an argument(s) to a method being defined using define_method, how would I do that? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm pretty familiar with when to use subclasses and modules, but more recently I've been seeing nested ... those techniques would be used? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I'm running a simple Ruby script, what's the easiest way to dump an object's fields to the console? I ... will work with arrays as well. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    On a bash console, if I do this: cd mydir ls -l > mydir.txt The > operator captures the standard input and ... a better option, I'm all ears. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    List the ruby versions console:~$ rvm list rvm rubies ruby-2.0.0-p481 [ i686 ] # => - current # ... /integration/gnome-terminal/ for a example. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I often want to compare arrays and make sure that they contain the same elements, in any order. Is there a ... elements don't implement #<=> See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I understand that it is a replacement for ActiveRecord and that it uses objects instead of queries. But... ... to use with stored procedures? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using an IF statement in Ruby on Rails to try and test if request parameters are set. Regardless of whether or ... ... do something ... end See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I think there's a way to run only tests with a given label. Anybody know? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to be able to translate pluralized strings in i18n in rails. A string can be : You have 2 kids or You have ... view. How can I do that ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to push my app to heroku and I get the following message: $ heroku create Creating electric-meadow- ... a new one? Any suggestions? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to be able to run a single spec file's tests &mdash; for the one file I'm editing, for example ... /spec/spec_helper.rb ./spec/db_spec.rb See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What's the syntax for dropping a database table column through a Rails migration? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to make some restaurant list. I associated two tables, and then write this code. class Restaurant ... problem? Thanks in advance. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Basically, a User can participate in one or more events as either (or potentially both) a vendor and as a member ... 2014-08-30 15:02:04.70209 See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Using Rails, I need to get a plain text and show it as HTML, but I don't want to use <pre> tag, as it changes the format. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i get Passenger error on shared hosting Could not find i18n-0.6.0 in any of the sources (Bundler::GemNotFound) ... hosting? how do i solve it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Here's the code: # a = Array.new(3, Array.new(3)) a = [[nil,nil,nil],[nil,nil,nil]] a[0][0] = 1 a.each ... , nil] [1, nil, nil] So why is that? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    like for example i am doing ruby on rails and using git for version control. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i created a table with the following schema in code DB.create_table :Pokemon do primary_key :id String :first_name ... Text array in a column See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Such as in the following code from Why's Poignant Guide: def wipe_mutterings_from( sentence ) unless sentence.respond_to? ... ' if close end end See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm following codeschool's class on rspec. Installing worked fine. I made a file called rspec-zombie for the project. ... /rspec:23:in `<main>' See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to iterate through an array of digits and count how many times each digit is found in the array. ... Hash as an Object in JavaScript? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to render a webpage as a PDF. It uses a single image, and I've read that you need to supply the absolute ... ' bin/rails:4:in `<main>' See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I tried to see how Array#[]= works, and played around: enum[int] = obj → obj enum[start, length] = obj → obj enum[range] ... = [3,4] #=> [3, 4] See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am currently trying to get a handle on RoR. I am passing in two strings into my controller. One is ... guidance would be greatly appreciated. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am using ruby 2.1, but the same thing can be replicated on rubular site. If this is my string: 儘管中國婦幼衛生 ... is foo. That makes sense to me. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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