Unable to run node_modules/.bin/browserifyinc. Ensure you have installed it with npm. (in /Users/labuser/Downloads/betfair_nav_demo-master/app/assets/javascripts/application.js)
I am using Ampersand JS with Rails application. gem 'rails', '4.2.1' gem "browserify-rails", '1.2.0'
I have installed npm install ampersand -g
npm install browserify --save-dev
npm install underscore --save
My Rails app is working without browserify-rails gem.
I have a model Book with a has_many relationship to State.
class Book < ActiveRecord::Base
has_many :states
...
end
State sets the visibility of the book to "private", "restricted" or "public" through a name attribute. For auditing purposes, we keep a record of all state changes so to get the current state of a book I use
> book = Book.first
> book.states.last.name
> "public"
Now I need to query on all Book objects where the current state is public.
Something along the lines of:
Book.joins(:visibility_states).where(states: { state: "public"})
The problem is that the query above return all books that are currently pubic, or have been public in the past. I only want it to return books that are currently "public" (i.e. book.states.last.name == "public").
I know I can do it with select but that's generating one query for each record:
Book.all.select { |b| b.states.last.name == "public" }
Is there a way to do it using ActiveRecord only?
I am using JIRA api to extract timespent by users on issues. The time spent is in the format:
"12w 1d 2h 5m" or "12h" or "12m" etc
The API isn't exporting the number of hours. Is there a quick (requires no effort on my part) way to convert this to hours (or seconds). I suppose this is some sort of a standard format, is there a name for it? I know how to do this myself, just don't want to reinvent the wheel
I am getting the highly poular message:
** Notice: The native BSON extension was not loaded. **
For optimal performance, use of the BSON extension is recommended.
To enable the extension make sure ENV['BSON_EXT_DISABLED'] is not set
and run the following command:
gem install bson_ext
If you continue to receive this message after installing, make sure that
the bson_ext gem is in your load path.
I am running rbenv and have tried gem install bson_ext. I get no errors - it tells me Successfully installed bson_ext-1.12.3. However bson_ext is not found - I assume its an executable. How do I know where it should be installed so that I can update my path accordingly?
If I search in my local .rbenv dir I see:
.rbenv/versions/2.2.2/lib/ruby/gems/2.2.0/gems/bson_ext-1.12.3/ext/bson_ext/bson_ext/
But do not see anything that appears to be an executable.
What is the difference between calling super and calling super()? Which is the best one if the arguments passed to the child method don’t match what the parent is expecting.
Emails without attachment are delivered fine, but when there is an attachment I get the following error in production:
ArgumentError: An SMTP To address is required to send a message. Set the message smtp_envelope_to, to, cc, or bcc address.
the call to mailer is:
# template variables
merge_vars = {"AMOUNT" => "100"}
invoice = Invoice.new(customer)
attachments[invoice.name] = {
data: invoice.invoice_data,
mime_type: 'application/pdf'
}
mail(to: user.email, cc: cc_emails.compact.uniq, subject: mail_subject, content_type: content_type) do |format|
# Template renders fine
format.html{mandrill_template('invoice_template', merge_vars)}
end
InvoiceMailer < ActionMailer::Base has defaults for "from" and "reply_to"
Mandril gem version 1.0.53 and Rails 4.1.10.
I'm building a gem. I just got the basic project structure laid out, and I tried building it with gem build my_gem.gemspec, which worked fine. Then I installed it with gem install My\ Gem-0.0.1.gem and it still looked like it worked fine. Then I tried to run irb and I got this:
/Users/<username>/.rbenv/versions/2.2.2/lib/ruby/2.2.0/rubygems/version.rb:206:in `initialize': Malformed version number string on (ArgumentError)
Then I tried making some changes and saved them. I ran gem build my_gem.gemspec. Same error. All irb, rails, and gem sub-commands are generating a stack trace with this at the top. What did I do to break all of these commands and how do I reverse it?
I have a Chef recipe in which I am creating a new randomly named user using a shell script and exporting the username as a variable. Is it possible to set the same user as a session variable in Ruby? Something like...
ENV['CHEFUSER'] = 'echo $CHEFUSER'
which does not work unfortunately. Or any way to pass environment variables from bash to ruby. I need this new user to be recognized in the same recipe in which it was created.
Thanks, sorry if this has been addressed, I could not find any info on it.
I am using paperclip gem along with an AWS s3 bucket to upload images to my app. I have it all working properly and the images will upload to the actual bucket and the web pages will load. The only problem is the images themselves will not display and it will only display their names like
to display the image I am using the code
<%= image_tag @post.image.url(:medium), class: "edit_recipe_image" %>
has any one experiences this before or possibly know a solution to fix this?
Thanks in advance!
Very new to Ruby and cucumber, and i've got a controller that accepts an ID. Basically a rest API, so the client would call /cows/1234 and /cows/777. That would then route to getFluffyCow and pass :id = 1234 or 777.
My initial attempt is as follows:
allow(getFluffyCow).to receive(:call).with(1234).and_return(mock_cow1)
allow(getFluffyCow).to receive(:call).with(777).and_return(mock_cow2)
but the response is returning nothing. What am I doing wrong?
Thanks!
I am still learning Ruby (so I am a complete noob), right now I have my app successfully running locally but when trying to opening the apps on heroku , in which I first perform the heroku run rake db:migrate I stumbled upon a problem.. it tells me :
Running `rake db:migrate` attached to terminal... up, run.2149
-- attr_accessible(:pName, :pQuantity, :pMeter, :pWeight, :pSellPrice, :pCategory, :pPic)
-- attr_accessible(:pName, :pQuantity, :pMeter, :pWeight, :pSellPrice, :pCategory, :pPic)
rake aborted!
NoMethodError: undefined method `attr_accessible' for #<ActiveRecord::Migration:0x007f2dc2ba45b8>
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:648:in `block in method_missing'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:621:in `block in say_with_time'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:621:in `say_with_time'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:641:in `method_missing'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:406:in `method_missing'
/app/db/migrate/20150802134246_create_inventories.rb:2:in `<class:CreateInventories>'
/app/db/migrate/20150802134246_create_inventories.rb:1:in `<top (required)>'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `block in require'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:232:in `load_dependency'
/app/vendor/bundle/ruby/2.0.0/gems/activesupport-4.1.8/lib/active_support/dependencies.rb:247:in `require'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:761:in `load_migration'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:757:in `migration'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:752:in `disable_ddl_transaction'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:1044:in `use_transaction?'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:954:in `rescue in block in migrate'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:951:in `block in migrate'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:948:in `each'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:948:in `migrate'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:807:in `up'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/migration.rb:785:in `migrate'
/app/vendor/bundle/ruby/2.0.0/gems/activerecord-4.1.8/lib/active_record/railties/databases.rake:34:in `block (2 levels) in <top (required)>'
Tasks: TOP => db:migrate
I have been trying to find out the reason, after wondering around I found out about change in rails 4.0.0 in that attr_accessible are no longer used and we should use strong parameter instead, So removing the attr_accessible from model will solve the problem...
However, I have an empty Model, there is no attr_accessible everywhere i look. (beside this is weird why my apps runs locally but not on heroku?) I can't figured out why this error appear and where to look for solutions.. I have been trying to look at active_record file but am afraid of making any changes, any idea?
also, could anyone tell me any resources that can help me read this type of log errors? I have tried to read some articles but can't find one that is easy to understand for noobs like me... ;(
I have two arrays, one containing hashes, the other integers. They look like this (samples):
mainArray[0] = {"ID" => 23, "NAME" => "SALLY"}
mainArray[1] = {"ID" => 34, "NAME" => "BILL"}
idArray[0] = 432
idArray[1] = 34
I want to filter mainArray so that only entries in it whose ID values are in idArray make the cut. How can I best do this? I don't mind making a new array if that helps.
I have a DLL which contains code that I would like to access from Microsoft Visual Foxpro as well as Ruby on Rails.
I set up a C# DLL and generated the corresponding .so file using Mono according to this question. mono --aot -O=all dlltest.so
As noted in that question, the function nm -Ca dlltest.so shows a form of my method, but FFI cannot see it.
Also as mentioned in that question, nm -D --defined-only dlltest.so indicates that my method is not defined. However, FFI can see and access the one that is defined as mono_aot_file_info.
It seems like the poster of that question was close to getting it to work, but I was unable to find anything about why the method is showing as not defined or how to change that.
Is there something I can do to define the methods in the .so file? Or is this not possible?
Note that the method is exposed in the DLL, and FoxPro can access it just fine.
I am building a Ruby on Rails webapp and it is great for the web front end, display, what the user sees etc. But I want request from a user that involves some heavy processing to be done inside a Java backend layer.
So my question what do you think is the best approach for joining these two layers up? I can think of two approaches:
Building up the request into a JSON object in the Ruby on Rails layer and using RabbitMQ to send it as a message to the Java backend layer which sends another JSON object back in a message as a response. I tend to lean more towards this approach as there a nice RabbitMQ clients for Ruby and Java.
Have a my Java layer running on a web server(such as Tomcat or maybe Netty?) that accepts HTTP requests from the Ruby on Rails layer and sends the response back through the server using HTTP?
Note any persistence will be handled by the Java layer also.
Any more ideas or and/or comments on the above two ideas would be great.
Thanks.
In IntelliJ IDEA, or Eclipse, while working with java I am able to reset the current stack frame while debugging. For example, if I am debugging a method and I make some changes or want to go back and look something over I can reset the current stack frame and the debug pointer will go back to the beginning of the method. Is there anything like that in RubyMine?
Currently my home page (index.html.erb) shows all the user images loaded within the past 24 hours, which is part of posts. However I would like to add a form that allows the user to sort images based on their category and upload date. (For example images with the category music, uploaded within the past month) I understand how to query the database but I dont know how to take the user input. When I create a form, suing simple form: <%= simple_form_for @posts do |f| %>, it throws an error, saying I cannot use an object. Ive thought about ajax but it doesnt seem to work well with the paperclip gem, plus I rather get it done on the backend. I hope my issue well enough. If not feel free to comment as I will be around to respond. Thanks in advance.
Post Controller:
def index
@posts = Post.all.where(created_at:(Time.now - 1.day)..Time.now)
end
Schema for Post table:
create_table "posts", force: :cascade do |t|
t.string "title"
t.string "instagram"
t.text "description"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
t.string "image_file_name"
t.string "image_content_type"
t.integer "image_file_size"
t.datetime "image_updated_at"
I am trying to use the numeric charecters from the array held within the positions argument as indices to access the characters of the string inside the string argument to subsequently print a new string. I have an idea of what I need to do to get it to work, but I am hung up.
Total code thus far:
def scramble_string(string, positions)
str = string
pos = positions.join
newstr = []
i = 0
while i < pos.length do
return newstr.push(str[pos[i]])
i += 1
end
end
scramble_string("hello", [2, 3, 4, 5])
I suspect my problem lies within this part of the code...
return newstr.push(str[pos[i]])
I need to get the NT (native) path of a file from the DOS (Win32) path in Ruby (1.9.3).
Meaning, I have the string:
dos_path = "C:\Windows\regedit.exe"
but I need:
nt_path = "\Device\HarddiskVolume1\Windows\regedit.exe"
Is there any way to do so? Thanks!
Someone told me that the reason why Ruby does not implement abstract classes (you have to implement it yourself using some intelligent tricks) is that it isn't strongly typed. Can anybody explain that to me?
I installed Ruby via the official installer, installed the non x64 version just in case. Then I tried to install sass via the command line like on the http://ift.tt/1f0fI2t page, The following ensued:
sgarcia C:\Users\sgarcia
> gem install sass
Fetching: sass-3.4.16.gem (100%)
ERROR: While executing gem ... (Errno::EACCES)
Permission denied @ rb_sysopen - C:/Program Files (x86)/Ruby22/bin/sass.bat
Any ideas what could be causing this?