[Solved] Select elements in array rails [closed]
Array#[] accepts a Range instance, and the right boundary can be negative, specifying the amount of elements from the end: x[1..-1] solved Select elements in array rails [closed]
ruby
[Solved] How to check whether a string includes a given string variable?
You should try this number.include?(digit.to_s) You didn’t convert the digit to string. Hope this solves your problem. 1 solved How to check whether a string includes a given string variable?
[Solved] Can’t output currency in ruby with money-gem [closed]
The money gem uses I18n. You can either add a valid locale or disable I18n: require ‘money’ Money.new(100).format #=> I18n::InvalidLocale: :en is not a valid locale Money.use_i18n = false Money.new(100).format #=> “$1.00” 1 solved Can’t output currency in ruby with money-gem [closed]
[Solved] Online record system [closed]
Rails itself will take care of your criteria 1 to 5. However, you need to spend a few more effort to export data from database and save it as a text file. You may also use devise as a better solution for authentication (criteria 2) and Simple Form (just google simple form rails. Sorry I … Read more
[Solved] Yellow warning triangle in LibGDX new project
This is due to the fact that Eclipse automatically defaults to JRE 6. In order for you not to get those nasty warning triangles, you will need to use the JRE 8. The following is how you might resolve it: Preliminary fix Right click one of your prjects > Build path > Configure build path … Read more
[Solved] Display content of directory Ruby [duplicate]
Give this a shot: Dir.foreach(“/path/to/your/dir”) { |file| puts file } solved Display content of directory Ruby [duplicate]
[Solved] Add a number through out a loop
It’s because of variable scope, you should move x definition out: base_times=14 x=3 base_times.times do |i| x += 2.50 puts “#{x}” end Also there’s syntactic sugar for x = x +, +=. 3 solved Add a number through out a loop
[Solved] Regex to match string over multiple lines
You are looking for the flag m (/regexp/m) It’s getting a little old, but http://rubular.com/ has a ruby regexp testing interface and the basic classes and modifiers remainder. solved Regex to match string over multiple lines
[Solved] Parse HTML nodes using xpath to Ruby/Nokogiri
I have just tried with Capybara with Poltergeist; it worked fine. When I tried your code as well but, div[@id=”NavFrame1″] does not exist. So there might be a parsing problem… require ‘capybara’ require ‘capybara/dsl’ require ‘capybara/poltergeist’ Capybara.register_driver :poltergeist_debug do |app| Capybara::Poltergeist::Driver.new(app, inspector: true) end Capybara.javascript_driver = :poltergeist_debug Capybara.current_driver = :poltergeist_debug visit(“https://pt.wiktionary.org/wiki/fazer”) doc = Nokogiri::HTML.parse(page.html) p … Read more
[Solved] How to retrive data from database in the form of grid in ruby on rails
your “col-md-3” is missing “, and you have to put the column size inside the loop each, here is your revision that you can try <div class=”row”> <% unless @fridges.blank? %> <% @fridges.each do |fridge| %> <div class=”col-md-3″> <div class=”card card-cascade narrower”> <div class=”view overlay hm-white-slight”> <%= image_tag(fridge.image.url(:medium), :alt => “Fridge Item”, :class => “img-fluid”)%> … Read more
[Solved] Syntax error, unexpected ‘:’, expecting ‘)’ – Rails 2.1.0
When I disabled spring, was able to run the rake tasks. DISABLE_SPRING=1 bundle exec rake test:read_message But not sure what is the root cause of issue, it works fine in my local without disabling the spring but not in prod. solved Syntax error, unexpected ‘:’, expecting ‘)’ – Rails 2.1.0
[Solved] ruby on rails – current_user on model
current_user is a devise helper to be used on Views and Controllers. If you have an instance method that needs the current_user you should probably move it’s logic to a Controller. It’s better explained here: Access to current_user from within a model in Ruby on Rails solved ruby on rails – current_user on model
[Solved] Working on rails, i have text fields and text areas to receive text, but it shows the validation error “Topic cannot be empty”
Working on rails, i have text fields and text areas to receive text, but it shows the validation error “Topic cannot be empty” solved Working on rails, i have text fields and text areas to receive text, but it shows the validation error “Topic cannot be empty”
[Solved] Ruby – map vs each?
The doc suggests: each { |item| block } → ary click to toggle source each → Enumerator Calls the given block once for each element in self, passing that element as a parameter. And: map { |item| block } → new_ary click to toggle source map → Enumerator Invokes the given block once for each … Read more
[Solved] Any recommendation for a former Rails 2.3 users to migrate to Rails 5.x? [duplicate]
Be aware that this is a multi-step process and can take a long time. Make sure to test for bugs after accomplishing each step since they’ll definitely appear. The first step is migrating from Rails 2.3 to Rails 3.0. Second you want to upgrade to Ruby 1.9.3. Pushing from Rails 3.0 to Rails 5.x is … Read more