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Tag: ruby

Ruby-on-rails – rails – how to store large numbers, such as 100000076685963

I need to store a lot of numbers: 100000076685963

For the integer of the db field type, which is the larger one. In my database migration, I use :

t.integer :fb_uid What field type shou

October 6, 2021By Simo Ruby big, Digital, How to, rails, ruby, storageLeave a Comment

Ruby-on-rails-3 – Access acquisition parameters in Cancan

Can I access the parameters passed in the url in CanCan? I am trying to authenticate guests based on the token in the URL.

Thank you!

https://github.com/ryanb/cancan/wiki/Accessing-requ

October 6, 2021By Simo Ruby Access, acquisition, CANCAN, parameters, rails, rubyLeave a Comment

Why will I call the bash command from Ruby?

I am trying to use Ruby to execute the following bash commands on some images:

class Pingcrush
def initialize
Dir.foreach(‘drawable’) do |item|
next if item ==’.’ or item ==’..’
# do work

October 6, 2021By Simo Ruby BASH, call, Command, error, ruby, thrown, why, willLeave a Comment

ruby-on-rails – Capybara Selenium

When I use Selenium to run my test, my step fails and the page is displayed as follows in the browser:

Internal Server Error
can’t convert nil into String
WEBrick/1.3.1 (Ruby/1.9.2/2010-08-18

October 6, 2021By Simo Ruby capybara, rails, ruby, SeleniumLeave a Comment

Ruby-on-rails – How to find the maximum position in the array?

If I have

ary = [7, 8, 0, 1, nil, 6] How to find the position of the maximum value in the array? I can do this, but it needs more than one line.

ary = [7, 8, 0, 1, nil, 6, 8]
ary.index(

October 6, 2021By Simo Ruby How Arroll, rails, rubyLeave a Comment

Ruby-on-rails – RVM and lost (but installed) gems?

I am trying to install RVM on OSX 10.6.7 and start using it to sandbox my development environment on a per-project basis, but I have encountered some problems.

I installed RVM and created a g

October 6, 2021By Simo Ruby Gem, installation, lost, rails, ruby, RVMLeave a Comment

Ruby-on-rails – Time zone in RAILS

If I have a time string in the form of “Wed,22 Jun 2011 09:43:58 0200” from a customer, I want to save the time zone. This is important because it is not only important It is the absolute UTC time,

October 6, 2021By Simo Ruby Medium, rails, Reserved, ruby, time zoneLeave a Comment

Ruby – Display error mode

In my code, I usually use the following settings:

module MyLib
VERSION = “0.1 .1”
ERROR = [
“You can either give one arg and a block or two args, not both.”,
“Yadda yadda…”
]< br />end

October 6, 2021By Simo Ruby display, error, pattern, rubyLeave a Comment

How to create an ActiveRecord dynamic creation class during runtime? (ruby)

I am trying metaprogramming and want to dynamically create a class that inherits from ActiveRecord.

For example, I can do this:

Object.const_set(“Orders”, Class.new {def blah() 42 end }

October 6, 2021By Simo Ruby ActiveRecord, Based on, class, create, Dynamics, How to run, rubyLeave a Comment

ruby-on-rails – Ruby NoMethodError

Okay, I’m a little novice. I know this error is happening because I don’t understand how to call the method correctly. So can you help me understand what’s going wrong here?

NoMethodError in

October 6, 2021By Simo Ruby nomethoderror, rails, rubyLeave a Comment

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