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
551
views
1
answer
ruby on rails - Google plus API shutdown today, which alternative can be used to authentication?
I am using rails-4, and have used OAuth-2 for authentication with Google+ API, for which the following gems ... provide an alternative to this. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
679
views
1
answer
ruby - Chrome 62 and Flash
I have a Flash-based app that I need to test using Cucumber. As flash is not enabled by default I need ... > Has anyone automated this process? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
670
views
1
answer
ruby on rails - Omniauth: callback not firing, returns failure with "invalid credentials"
The facebook authentication in my Rails application, implemented with the Omniauth gem has stopped working ... with Google authorization. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
638
views
1
answer
ruby - Returning all maximum or minimum values that can be multiple
Enumerable#max_by and Enumerable#min_by return one of the relevant elements (presumably the first one) when there are multiple ... to get this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
819
views
1
answer
ruby - How do I test a function with gets.chomp in it?
I have a simple function using gets.chomp like this: def welcome_user puts "Welcome! What would you like to do ... user inputs using just ruby? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
623
views
1
answer
ruby - How do I avoid trailing empty items being removed when splitting strings?
I am doing: "b::::c:::".split(':') Result: ["b", "", "", "", "c", "", ""] # expect ["b" ... is the problem here? how can i get what i expected. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
565
views
1
answer
ruby - Parsing a date that can be in several formats in python
I would like to parse a date that can come in several formats, that I know beforehand. If I could not parse, ... I do the same thing in Python? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
512
views
1
answer
ruby - Shortcut to make case/switch return a value
I'm pretty sure I saw someone do a shortcut technique like the code below (which doesn't work) return case guess ... the trick I'm referring to? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
539
views
1
answer
ruby - How to match something with regex that is not between two special characters?
I have a string like this: a b c a b " a b " b a " a " How do I match every a that is not part ... to remain in the string. I'm using Ruby. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
647
views
1
answer
ruby - Read and write YAML files without destroying anchors and aliases?
I need to open a YAML file with aliases used inside it: defaults: &defaults foo: bar zip: button node: ... -looking playing field in reality. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
576
views
1
answer
ruby - Set UTF-8 as default string encoding in Heroku
I need to change the default ruby string encoding to UTF-8 in Heroku. For some reason it is US-ASCII. $ heroku ... "UTF-8" Ideas? Thanks, Felipe See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
782
views
1
answer
ruby on rails - Unable to install MySQL2 gem on Windows 7
I am getting the following error message while installing, let me know if I need to post more details. I followed ... 4/ext/mysql2/ge m_make.out See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
683
views
1
answer
ruby on rails - Incompatible library version: nokogiri.bundle requires version 11.0.0 or later, but libxml2.2.dylib
I'm getting this error when trying to run rspec in Hartl's tutorial. I googled the error, but it's never for ... lib/bundler.rb:132:in `require' See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
478
views
1
answer
ruby - Sort order in `Dir.entries`
Is there a fixed/default sort order in which Dir.entries returns results? I know by experience that the first two entries are "." and "..". See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
672
views
1
answer
ruby on rails - Getting a "bad interpreter" error when using brew
I'm getting this error when I try to run any brew command. Holger-Sindbaeks-MacBook-Air:~ holgersindbaek$ brew ... a long time without answer. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
557
views
1
answer
ruby on rails - Can't install pg gem on Mountain Lion
I have been having a lot of troubles with Rails after upgrading to Mountain Lion. Trying to trouble shoot these ... it fails at pg installation. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.4k
views
1
answer
ruby on rails - ActionController::ParameterMissing (param is missing or the value is empty: film):
So, I'm getting the following error when trying to visit the films page on my app: ActionController:: ... :active, :trackable)} end See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
607
views
1
answer
ruby on rails - How to skip a before_filter for Devise's SessionsController?
I have a before_filter in my ApplicationController; that is, for every controller in my project. How can ... SessionsController create action ? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
668
views
1
answer
ruby on rails - Configuring Warden for use in RSpec controller specs
I was able to use Devise's sign_in method to log in a user in my controller specs. But now that I'm ... any guidance that anyone could provide. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
625
views
1
answer
ruby on rails - Stop Devise from clearing session
It seems when a user logs out via standard Devise controllers, Devise destroys the entire session store, not just its own ... [:my_var] # => nil See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
571
views
1
answer
ruby on rails - Creating a PostgreSQL sequence to a field (which is not the ID of the record)
I am working on a Ruby on Rails app. We are using a PostgreSQL database. There is a table named scores with ... How do I create this sequence? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
523
views
1
answer
ruby - Rails: Skinny Controller vs. Fat Model, or should I make my Controller Anorexic?
I know similar questions have been answered before - such as: Where should logic go where to do certain tasks, ... in the question really well. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
520
views
1
answer
ruby - XPath axis, get all following nodes until
I have the following example of HTML: <!-- lots of html --> <h2>Foo bar</h2> <p>lorem</p> <p>ipsum</p> ... a way to do this that I'm missing? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
445
views
1
answer
ruby - Why should we avoid using class variables @@ in rails?
Why should we avoid using class variables @@ in rails? Is there any security loopholes with that. Please answer ... class variables @@ in rails? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.0k
views
1
answer
ruby - How do I pretty-print HTML with Nokogiri?
I wrote a web crawler in Ruby and I'm using Nokogiri::HTML to parse the page. I need to print the page ... and properly formatted when I do so. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
849
views
1
answer
ruby on rails - Counter Cache for a column with conditions?
I am new to the concept of counter caching and with some astronomical load times on one of my app's main pages ... so as to minimize load times? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
576
views
1
answer
ruby - Rails installation failed on Ubuntu with "cannot load such file -- mkmf"
I have this problem while installing Rails on Ubuntu 11: root@salah:/home/salah/rubygems-1.8.15# sudo gem ... .1/ext/mysql_api/gem_make.out See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
412
views
1
answer
ruby on rails - Validation failed: Upload file has an extension that does not match its contents
I am using paperclip gem to upload files. and my paperclip gem version is paperclip-4.1.1. While ... type discovered from file command: See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
Page:
« prev
1
...
66
67
68
69
70
71
72
73
74
75
76
...
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 git 的一些问题
[2] css 点击ul切换其中li标签内的图片
[3] automation - Automate data import in R
[4] sql - passing a parameter to a function; Subquery returned more than 1 value. This is not permitted
[5] image-webpack-loader导致的报错问题
[6] Python批量修改文件,删除文件名称的中文
[7] js如何提取出包含在网址(路由)中的键值
[8] 阿里云 首页图标动画效果怎么说实现的
[9] C++中 type{} 是什么语法?
[10] 一个sass函数,能不能实现?
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
...