Recent questions tagged Rails

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rails leaving out some parts from fragment caching

I have a rails 4 app using pundit gem for authorization. If I do russian-doll fragment caching like the code below, the ... % end %> <% end %> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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897 views

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rails routing and params with a '.' in them

I am using rails to guard access to files that need to be served only to some users of a web app. To ... how periods affect routes. Any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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rails database.yml not accepting ERB

In my database.yml, I have: staging: adapter: <%= ENV['DATABASE_ADAPTER'] %> encoding: <%= ENV['DATABASE_ENCODING ... isn't working, any ideas? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rails fields_for render partial with multiple locals producing undefined variable

All, I am experiencing a problem with a standard fields_for setup. In my "_form" partial I have: <div class ... called from the "_form" partial. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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832 views

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rails 3 group by and sum

I have the following model: activity_types: id, name activities: id, id_activity_type, occurrences, date (other fields ... name => occurrences ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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887 views

1 answer

rails 3 validation of a string

hiho Is there any way to tell rails that my string may not be 'something'? I am searching for something like ... not => 'something' thanks klump See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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927 views

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rails - InvalidAuthenticityToken for json/xml requests

For some reason I'm getting an InvalidAuthenticityToken when making post requests to my application when using json or ... opt/local/bin/thin:19 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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958 views

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rails 4 strong params + dynamic hstore keys

I'm having a problem overcoming the new strong params requirement in Rails 4 using Hstore and dynamic accessors I ... which of course does work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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878 views

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rails, simple_form, how to set selected index of a collection when page loaded?

I am using simple_form gem, I have a countries collection, it work fine when I select the country, and ... selected country from the db ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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rails json response with gzip compression

I have an api written in rails which on each request responds with a JSON response. The response could be huge, ... only the normal plain JSON. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

1 answer

rails 4.0, rake db:sessions:create

Rails 3.1 suggests running rails generate session_migration However this generates the exact same migration as rake db ... cart bigger than 4kb? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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754 views

1 answer

rails mysql adapter error

I'm having trouble finding a solution to this problem. I'm getting the error Please install the mysql adapter: ' ... - http://gems.github.com See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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849 views

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rails < 4.0 "try" method throwing NoMethodError?

Why is try throwing an error? Doesnt that defeat the whole purpose? Maybe its just in the console? ruby-1. ... instead of throwing the error? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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852 views

1 answer

rails ActiveAdmin nested form has_one accepts_attributes_for formtastic issue

I am using ActiveAdmin and Rails 3.1 -- having problem understanding whether the following is a bug, or if ... deleted please delete the other) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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998 views

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rails 4: split routes.rb into multiple smaller files

I would like to split my routes in rails 4 application. For rails 3 the question has been answered a few ... : @route_sets=[#]> (RuntimeError) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

1 answer

rails bootstrap-sass assets compilation error - undefined variable alert-padding

all roads point to bootstrap-sass Referral chain: railscast-328 (twitter bootstrap basics) refers to http://www.sitepoint.com/ ... 1.9.1/gems/rake-10.0.4/lib/rake/application....

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.2k views

1 answer

rails select tag with multiple values pre selected

I am trying to have a multiple select box. select box will contain all the stores in the DB but the ones that ... to. it is in: @user.stores See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.4k views

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rails 3,Kaminari pagination for an simple Array

For paginating a common array I got this solution, @arr_name = Kaminari.paginate_array(@arr_name).page(params[:page]). ... will be AJAX. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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746 views

1 answer

rails caching: expire_action in another namespace

My application is using a namespace for administrative purposes. I recently tried to start using action caching ... cache in another namespace? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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907 views

1 answer

rails 3: display link as button?

On some non-form pages, I have a few links that would look better as a button than a hyperlink... I thought ... (non-submit) link with a button? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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934 views

1 answer

rails 3, how add a view that does not use same layout as rest of app?

I could not find any docs or examples on how to structure my app to allow different views in the same controller to ... . How can that be done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

968 views

1 answer

rails won't send_data as file

I'm having problems with Rails method: send_data Here's my action: def export send_data(current_user.contacts.to_csv, ... 1.5.0 codename Knife See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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794 views

1 answer

rails 4 asset pipeline vendor assets images are not being precompiled

I'm using rails 4 & ruby 1.9.3 for my application and fancybox2-rails gem, but there's a general ... to non-existing images. Any suggestions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

1 answer

rails 3 validation on uniqueness on multiple attributes

I use Rails 3.0.0.beta4 I want to add a validation on uniqueness on two attributes, that means that my ... :zipcode, :uniqueness => true thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

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rails 3 activerecord order - what is the proper sql injection work around?

let us say I have a list page of users and you can sort by the different columns, when clicking 'email' it ... way to handle this kind of thing See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

rails server bin/rails:6: warning: already initialized constant APP_PATH error

I've tried a number of things like uninstalling/reinstalling rails and gems but to no avail. When I go into my new ... seem to get it to work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

rails db:migrate vs rake db:migrate

I'm new to rails. I noticed when generating data migration in rails 5, some people use rails db:migrate over ... in rails 5? many thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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885 views

1 answer

rails built in datetime validation

Does rails do any validation for datetime? I found a plugin http://github.com/adzap/validates_timeliness/tree/master, but ... in out of the box. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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