Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged Ruby
0
votes
558
views
1
answer
ruby on rails - What exactly "config.assets.debug" setting does?
I have started development of simple rails application. After several hours work I have notices that somehow the ... when this was true? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
877
views
1
answer
ruby on rails - How do I defined a variable link_to to an external URL
On my site a user has a personal profile with a link to his personal external website. The url of the sites I ... m a RoR beginner)? KR, Fabian See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
516
views
1
answer
ruby - Is it possible for RSpec to expect change in two tables?
RSpec expect change: it "should increment the count" do expect{Foo.bar}.to change{Counter.count}.by 1 end ... change{AnotherCounter.count}.by 1 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
980
views
1
answer
ruby - How do I make HTTParty ignore SSL?
I'm using a local server to test an application, and make requests to that server from my own machine. The test ... I make it ignore the SSL? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
445
views
1
answer
ruby on rails - Order products by association count
Class Product has_many :sales end Class Sale belongs_to :product end How do i get the most sold products.. (Product find ... by .. ventas..) ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
447
views
1
answer
ruby - Force browser to download file instead of opening it
I would like to download http://foobar.com/song.mp3 as song.mp3, instead of having Chrome open it in its ... browser. How can I accmplish this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
411
views
1
answer
ruby - Rails and class variables
class MainController < ApplicationController @my_var = 123 def index var1 = @my_var end def index2 var2 = @my_var end ... var2 equal to 123? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
536
views
1
answer
ruby on rails - Whitelisting with devise
I am using devise to manage user authentication in my rails app. Devise is really great for that. However I ... with devise? Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
865
views
1
answer
ruby on rails - ActiveRecord query with alias'd table names
Using model concerns which include scopes, what is the best way to write these knowing that nested and/or self- ... of queries in the SQL? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
561
views
1
answer
ruby on rails - Getting Devise 1.3.4 to send emails with Gmail in development
I'm trying to setup devise 1.3.4 to send emails via gmail while in development mode. I should ... in config/environments/development.rb. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
713
views
1
answer
ruby - Grouped Select in Rails
Simple question really - how do I use the select(ActionView::Helpers::FormOptionsHelper) with grouped options? I have ... type, :value => mode See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
435
views
1
answer
ruby - How to use a variable as object attribute in rails?
I have a PaymentDetail model with attribute 'home_address_country', so i can use @payment_detail.home_address_country // ... #{country_list}") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
400
views
1
answer
ruby on rails - accepts_nested_attributes_for to link to existing record, not create a new one
I have the following models class Order < AR::Base has_many :products accepts_nested_attributes_for :products end ... preferred over mine. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
611
views
1
answer
ruby on rails - Connection pool issue with ActiveRecord objects in rufus-scheduler
I'm using rufus-scheduler to run a number of frequent jobs that do some various tasks with ... Base.clear_active_connections! end end See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
466
views
1
answer
ruby - Rails - Local Variables versus Instance Variables
while learning Rails, I keep hearing Local vs Instance but I can't find a definition of the two & the ... and how are they different? Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
422
views
1
answer
ruby on rails - FactoryGirl has_many association with validation
I have a standard has_many relationship (Booking has many Orders) with validation that a Booking does not get saved ... it. Thanks in advance. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
371
views
1
answer
ruby on rails - ElasticSearch & Tire: Using Mapping and to_indexed_json
While reading the Tire doc, I was under the impression that you should use either mapping or to_indexed_json ... would create some conflicts. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
602
views
1
answer
ruby - How to disable db:schema:dump for migrations
I dont want Rails 3 to generate my schema every time I do migration. How to properly disable it? Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
475
views
1
answer
ruby - Rails — Params with "dot" (e.g. /google.com)
How to force Rails to consider a param with a dot in the value like google.com (e.g. /some_action/google.com) a ... be "id" => "google.com" See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
528
views
1
answer
ruby on rails - The compiler failed to generate an executable file. (RuntimeError)
I recently upgraded to OS Mountain Lion. A project I'm working on requires gem sys-proctable as a dependency, but when ... .3-p194': configure: error: C compiler cannot create exec...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
544
views
1
answer
ruby - How to enable CORS in Rails 4 App
I'm just about to pull my hair out... I've been trying to enable CORS in this Rails app since the morning ... Control-Max-Age'] = '1728000' end See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
437
views
1
answer
ruby on rails - Sendmail vs SMTP
A rails application in production should use smtp or sendmail to send mails? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
438
views
1
answer
ruby - Nested forms in rails - accessing attribute in has_many relation
I have a user and a profile model. One user can have many profiles. I need to access only ... or :profiles_phone_number? Thanks. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
502
views
1
answer
ruby - How to remove '---' on top of a YAML file?
I am modifying a YAML file in Ruby. After I write back the modified YAML, I see a --- added on top of the file. ... and how do I get rid of it? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
533
views
1
answer
ruby - Rails put validation in a module mixin?
Some validations are repetitive in my models: validates :name, :length => { :minimum => 2 }, : ... ' for Validations:Module (NoMethodError) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
621
views
1
answer
ruby on rails - How to use OR condition in ActiveRecord query
I want to grab all the users that either have an email as the one supplied or the first and last name. So ... on the 2 separate where clauses. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
387
views
1
answer
ruby on rails 3 - Structuring coffeescript code?
Under Rails 3.1, I'm trying to find out how to move a few coffeescript classes away from my controller ... " a coffeescript file into another? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
647
views
1
answer
ruby - What does "+=" (plus equals) mean?
I am doing some ruby exercises and it said I need to go back and rewrite the script with += shorthand notations. ... tried to look it up online. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
Page:
« prev
1
...
41
42
43
44
45
46
47
48
49
50
51
...
121
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] typescript 返回值类型 根据参数确定 布尔类型
[2] 关于js二叉树遍历的问题?
[3] python - Get refresh token using service account impersonation Google Drive
[4] 我刚建的项目,都还没动过main.ts 就有报错了。。是什么情况
[5] UinavigationCtroller转场动画
[6] firefox带不了服务器返返回设置的cookie,而IE却可以
[7] Different output from python function and php conversion
[8] ios - How to fire scheduled notification with different content in Swift?
[9] java - Spring's InitializingBean, CommandLineRunner, ApplicationContextEvent and javax's PostConstruct
[10] javascript - Nodejs - array not returning anything
2.1m
questions
2.1m
answers
60
comments
57.0k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...