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1 Is there an opposite of include? for Ruby Arrays?
2012年04月27 - I've got the following logic in my code: 我的代码中有如下逻辑: if !@players.include?(p.name) do ... end @players is an array. Is there a method so I can
2 What is the opposite of Ruby's include?
2010年01月18 - If I have a class instance, containing several included modules, can I dynamically un-include a specific module (In order to replace it)? 如果我有一个包含了几个
3 How can I do the opposite .include?
2017年06月08 - this using loops. PLEASE HELP! 因此,这里的目标是,如果元素在数组中,则打印元素的索引;如果元素不在数组中,则打印-1。我必须使用循环。请帮助! def element_index(element, my_array) while my_array.map.include
4 Opposite of Time.now.advance() in Ruby
2009年08月17 - http://api.rubyonrails.org/classes/Time.html#method-i-advance documents a method advance() to add to the current time. Is there an opposite, 'go_back
5 Is there a Ruby, or Ruby-ism for not_nil? opposite of nil? method?
2010年10月25 - I am not experienced in Ruby, so my code feels "ugly" and not idiomatic: 我没有使用Ruby的经验,所以我的代码感觉“很丑”,而且不习惯: def logged_in? !user.nil? end I'd
6 Testing for overlapping arrays in Ruby
2010年12月21 - Say I have an array of arrays in Ruby, 假设我有一个Ruby数组, [[100,300], [400,500]] that I'm building by adding successive lines of CSV data. 我通过添加连续
7 Sorting an array of arrays in Ruby
2009年07月28 - I have an array of arrays like so: 我有一个像这样的数组: irb(main):028:0> device_array => [["name1", "type1", ["A", "N", "N"], ["Attribute
8 Combination of two arrays in Ruby
2009年10月09 - What is the Ruby way to achieve following? Ruby实现遵循的方式是什么? a = [1,2] b = [3,4] I want an array: 我想要一个数组: => [f(1,3) ,f(1,4) , f(2,3) ,f(2,4)]
9 Dynamically naming Arrays/Hashes in Ruby
2011年08月15 - these arrays and Hashes with names based on whats being passed in. 我需要根据传入的内容创建这些数组和散列。 Its much the same as 这和…差不多 window['MyNewArray-' + i
10 Ruby copy an array of arrays
2012年05月09 - Is there a way in Ruby to make a copy of multi-dimensional array? I mean some built-in function. Ruby中有没有办法制作多维数组的副本?我的意思是一些内置功能。 When I try to use

 
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