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
1.4k
views
1
answer
ruby - Using Nokogiri to Split Content on BR tags
I have a snippet of code im trying to parse with nokogiri that looks like this: <td class="j"> <a ... any direction is appreciated! thank you See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.4k
views
1
answer
ruby - `-': nil can't be coerced into Fixnum (TypeError)
In my program Im getting an error which says ./ruby_camping.rb:91:in `-': nil can't be coerced into Fixnum ... still is nil? Thankful for help! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby - Match sequences of consecutive characters in a string
I have the string "111221" and want to match all sets of consecutive equal integers: ["111", "22", "1" ... and I'm terrible at Googling. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.3k
views
1
answer
ruby on rails - undefined method `default_scoped?' while accessing scope
I am getting this error while accessing scopes. Here is AR model class StatisticVariable < ActiveRecord::Base ... and fix this problem. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.2k
views
1
answer
ruby - Bundler - load multiple Gemfiles
Just curious if there is an easy way to load more than one Gemfile from a Ruby application. If you're ( ... , but it's definitely inelegant. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby - How to script the java debugger command-line tool (jdb)?
How can I drive the debugging session with some scripting language like ruby? Is there any easier options than ... with a scripting language? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.4k
views
1
answer
ruby - How might I simulate a private browsing experience in Watir? (Selenium)
Watir is a Selenium-based black-box testing tool that can automate tasks on the browser. I would like to ... in private browsing mode. Thanks See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.0k
views
1
answer
ruby on rails - Installing pg -v 0.17.1
I'm using/I want to use Postgresql as database, but when I type "bundle install" or "bundle update ... before bundling. Any suggestions? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.2k
views
1
answer
ruby - Error using PHPStorm's SASS File Watcher
I'm getting the following error whenever PHPStorm attempts to convert my SASS file to CSS using the file ... project settings: Any ideas? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
978
views
1
answer
ruby on rails 3.2 - save_and_open_page (capybara / launchy) stopped working in a project - error
Trying to debug a section of specs that I cannot get to work when merging Rails two projects. I have deleted my Gemfile. ... 'pg', '0.12.2' end See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby on rails - OAuth::Problem (parameter_absent)
Im working with OAuth 0.3.6 and the linkedin gem for a Rails application and I have this issue where OAuth ... appreciate some help on this. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby - Optimization for finding perfect-square algorithm
The question I'm working on is: Find which sum of squared factors are a perfect square given a specific range. So if ... , 2500], [246, 84100]] See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.7k
views
1
answer
ruby on rails - Carrierwave Upload with Amazon S3 - 403 Forbidden Error
I am attempting to use Carrierwave with Amazon S3 in my Rails app, and I keep getting the error "Excon::Errors:: ... How can I fix this error?? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.3k
views
1
answer
ruby on rails - geocoding api not responding fast enough for IP address
In my production server I've used the Geocoder gem. But, the following code not working in the server console. ... seconds. What should i do? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.7k
views
1
answer
ruby - How do I count vowels?
I've seen the solution and it more or less matches Write a method that takes a string and returns the number of vowels ... ("cecilia") == 4}") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby on rails - How do I get the rendered output of a controller's action without visiting the web page?
As part of the deployment process for our rails 2.3 app, I'd like to save static versions of our error pages to ... 's a simpler way to do it. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby on rails - RoR: Cannot change_column in postgres, fine in MySQL (MySQL for development, Postgres on Heroku)
I had a column called "prize": create_table :contests do |t| t.text :prize I recently realized that ... very much appreciated. Thanks! Ringo See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.2k
views
1
answer
ruby on rails - Rspec email_spec issue
I am going through this User Authentication tutorial.. http://larsgebhardt.de/user-authentication-with-ruby-on-rails-rspec- ... and Rspec 3.1.7. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby - Inverse of `Module#singleton_class`
What is the inverse of Module#singleton_class? I.e., given a singleton class, how can I get the module it is the singleton of? 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 on rails - Show ajax based elements after form submit error
I have two select elements in my form, Category and Sub-category. At first, only the category select is shown. ... Can anyone help me, please? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
995
views
1
answer
ruby on rails - How to Submit Polymorphic Comments on Feed? [Error]
If a user clicks the [+ Comment] button he is confronted with this evil beast: ActiveRecord::RecordNotFound in ... .rb:61:in `load_commentable' See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby - Why does this Nokogiri XPath have a null return?
I'm XPath-ing through a web page with NOKOGIRI. I'm familiar with XPath, but I cannot figure out why my ... doc.xpath(@xpath).empty?().to_s See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.2k
views
1
answer
ruby on rails - searchkick - Autocomplete with multiple attributes
Autocomplete works ok when searching with a single attribute as given here. Autocomplete with multiple attributes such ... data being returned? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.2k
views
1
answer
ruby - Why word 'translate' is messing irb?
I don't understand why my method translate undefines start_with? method and is messing something in irb, so I can ... don't see any relation. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.6k
views
1
answer
ruby on rails - Pundit policy_scope error: undefined method `admin?' for nil:NilClass
Running into something I don't understand with Pundit, Using Rails 4.2.5.1, Pundit 1.1.0 with Devise ... end end Any pointers much appreciated See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.3k
views
1
answer
ruby on rails - How to have Ajax spinner show on specific page?
I'm having issues showing my ajax spinner. Right now I am testing this on my localhost:3000/test with the ... when switching to another link? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
996
views
1
answer
ruby on rails - Can't verify(check) paypal account
I need to verify PayPal account, when user sign_up. I have function(source - http://curry.byteally.com/finding- ... what I'm doing wrong ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby on rails - ActiveRecord validates... custom field name
I would like to fix up some error messages my site generates. Here is the problem: class Brand < ActiveRecord:: ... to change the whole thing). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
Page:
« prev
1
2
3
4
5
6
7
8
...
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] 关于数组复制
[2] httprunner安装后出现-bash: httprunner: command not found
[3] H5封装的APP,如何使用vuex+localStorage来管理token和user信息?
[4] In Django how can we limit a model field to be values 1-10 and increment by whole numbers?
[5] forge 控制正交视图
[6] crashlytics - Android Console Crash details Stacktrace
[7] 云服务器挂载的数据盘和docker的关系
[8] mysql - Selecting the SUM of a group as well as values of that groups largest ID
[9] performance - Cache miss latency in clock cycles
[10] css - Does the background size apply to both images?
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
...