for issues relating to development in Ruby, version 2.6. If your question applies to Ruby in general, use the tag [ruby].
For issues relating to development in Ruby, version 2.6. If your question applies to Ruby in general, use the tag [ruby].
Questions tagged [ruby-2.6]
44 questions
0
votes
1 answer
Left zero number has weird results
I was trying do some sum to numbers and have a number with a very left zero
and start to get wired results
142 + 3 = 145
but 0142 + 3 = 101
What is the base number data type for ruby ? ( iam using repl 2.6.3 )
abdoutelb
- 1,015
- 1
- 15
- 33
0
votes
0 answers
Issue when adding Confirmable in Devise - [ArgumentError - wrong number of arguments (given 0, expected 1)]
I've been setting up Devise Confirmable for my development environment Rails 5.1.7 app.
My initializers/devise.rb looks like:
Devise.setup do |config|
require 'devise/orm/active_record'
config.secret_key = '########################'
…
Rajasree Muraleedharan
- 161
- 1
- 9
0
votes
1 answer
Build paths of edge keys in nested hashes in ruby
I have a nested hash with multiple levels and I want to get all the possible paths of each edge key from the root as dot notation string. For example
{a: {m: {b: 2}, c: {d: {e: nil}}}}
I would like to produce an array of elements like the one…
Leon
- 1,262
- 3
- 20
- 41
0
votes
1 answer
Run a block if a condition pass
I want to run this block only a condition is satisfied
<% if condition %>
<% progressive_render do %>
SLOW CODE HERE
<% end %>
<% end %>
IF condition = true
SLOW CODE should be runnned wrapped by "progressive_render"
IF condition = true…
sparkle
- 7,530
- 22
- 69
- 131
0
votes
1 answer
What is the difference between "@var ||= 123" and "return @var if defined?(@var); @var = 123"?
I'm using ruby 2.6.5 on my local machine. I also use the same ruby version on heroku machine.
However i got weird error on using heroku.
if i defined a method like:
def current_admin
@current_admin ||= 'yana'
end
It works perfectly on my machine,…
Yana Agun Siswanto
- 1,932
- 18
- 30
0
votes
1 answer
Map with conditions
How can I use #map to hide an attribute if it's nil?
Conditions aren't working inside a block, so I tried this:
account_info = some_db_request
account_info.fields.map do |field|
{
id: field.id,
…
QWD666
- 129
- 6
0
votes
2 answers
Error installing Rails 6.0.0: Failed to build gem native extension
I am attempting to install Ruby and Rails for the first time and cannot get Rails v6 to install properly. My machine is Windows 10. I have Ruby 2.6.5p114 and RubyGems 3.0.6. I am attempting to install rails 6.0.0. My terminal shows the installation…
Zach Eddington
- 1
- 1
- 3
0
votes
1 answer
Composition of functions without arguments: wrong number of arguments (given 1, expected 0)
Ie:
[1] pry(main)> @foo = rand
=> 0.46682153267547954
[6] pry(main)> multiply = -> () {@foo*2}
=> #
[7] pry(main)> (multiply>>multiply).call
ArgumentError: wrong number of arguments (given 1, expected…
bbozo
- 7,075
- 3
- 30
- 56
0
votes
0 answers
Two dimensional array which have CSV::Row object returns different result in ruby 2.3 and ruby 2.6
Two dimensional array has the element which is CSV::Row object like this.
[[csv_row_object]]
I tried to flatten this array and got different result in ruby 2.3 and 2.6.
why different result?
# in Ruby 2.6(ruby 2.6.0rc1)
[[#
Kouta Osabe
- 121
- 1
- 10
0
votes
2 answers
Ruby 2.6.0 Invalid authenticity token
My code shows "Invalid Authenticity" instead of "missing template". What do I need to change in the program to get the "missing template error"?
img1 img2 img3 errorImg
A reference to the entire program is here below:
link to github resp
class…
Sean
- 3
- 3
0
votes
0 answers
Error Install Bootstrap-sass (ruby 2.6.0)
I tried to install gem bootstrap-sass, but command show I have problem with ffi. I don't know what my problem? Thank you for your help me.
I received this error message when I tried to run gem install bootstrap-sass:
$ gem install…
Hokly Leng
- 43
- 1
- 7
-1
votes
1 answer
Code works well in Ruby 2.7 but not in Ruby 2.6.3
I have written a code that has a decorator function in Ruby 2.7. It works well in that version but the same code does not work correctly in Ruby 2.6. If I remove the call for the the decorator i.e., wrapper_function then the code executes in Ruby…
Lax_Sam
- 1,099
- 2
- 14
- 32
-2
votes
2 answers
Does Rails overwrite ruby's default logger?
I'm writing a multilogger implementation in order to enable my application to log to multiple back ends. The implementation looks like:
class MultiLogger < Logger
def initialize(loggers = [])
@loggers = []
end
def add(severity, message,…
Pedro Vinícius
- 476
- 6
- 13
-2
votes
1 answer
Cannot load relative file in Ruby Script
Files are organized as follows:
- myScriptProject
- solutions.ru
- main.ru
solution.ru
def test_function
puts 'Hello World'
end
main.rb
#!/Users/myusername/.rbenv/shims/ruby
require './solution' # or require_relative…
Hiro Shaw
- 385
- 3
- 18