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
719
views
1
answer
ruby on rails - "render :nothing => true" returns empty plaintext file?
I'm on Rails 2.3.3, and I need to make a link that sends a post request. I have one that ... file named "resend_confirm_email." What gives? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
420
views
1
answer
ruby on rails - Determine if ActiveRecord Object is New
How can I check if an ActiveRecord object is new or is already persisted? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
566
views
1
answer
ruby - How to get Sinatra to auto-reload the file after each change?
I am using # my_app.rb load 'index.rb' and start the sever like this ruby my_app.rb but it never reload any ... page. Did I miss anything here? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
428
views
1
answer
ruby on rails - Deploying a Git subdirectory in Capistrano
My master branch layout is like this: / <-- top level /client <-- desktop client source files /server <-- ... to only pull down the Rails app. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
367
views
1
answer
ruby - Ubuntu rails install fails on zlib
I've just moved over to Ubuntu 8.10 as my dev box; it's my first serious foray into Linux as a daily- ... gems each and separately, to no avail. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
610
views
1
answer
ruby on rails - You have already activated rake 0.9.0, but your Gemfile requires rake 0.8.7
I'm trying to run rails project, I get Your bundle is complete! Use `bundle show [gemname]` to see where a ... .8.7 while doing rake db:migrate See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
479
views
1
answer
ruby on rails - Do I need to manually create a migration for a HABTM join table?
I'm struggling now to get HATBM working correctly. I have a beaten scanario: articles and tags. I presume, HABTM should ... 'm using Rails 2.2.2 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
328
views
1
answer
ruby on rails - Log to database instead of log files
I'm interested in sending all Rails application logging to a database (MySQL or MongoDB) either in addition to or ... doing in this same light. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
537
views
1
answer
ruby on rails - execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
I'm getting this error: rake aborted! Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs, ... 9 How can I fix this? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
657
views
1
answer
ruby on rails - Case statement with multiple values in each 'when' block
The best way I can describe what I'm looking for is to show you the failed code I've tried thus far: case ... should I try a massive if block? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
380
views
1
answer
ruby on rails - How to use RSpec's should_raise with any kind of exception?
I'd like to do something like this: some_method.should_raise <any kind of exception, I don't care> How should I ... exception ... doesn't work. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
464
views
1
answer
ruby on rails - Add a CSS class to <%= f.submit %>
My question is easy: <%= f.submit %> Where does the class declaration go? I'm getting errors on multiple attempts. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
440
views
1
answer
ruby - File.expand_path("../../Gemfile", __FILE__) How does this work? Where is the file?
ENV["BUNDLE_GEMFILE"] = File.expand_path("../../Gemfile", __FILE__) I'm just trying to access a .rb file from ... it is finding the gem file. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
545
views
1
answer
ruby on rails - Role does not exist and unable to create database when using PostgreSQL
I am using Heroku for my application and it requires PostgreSQL but you can still use SQLite3 for development. ... ://gist.github.com/1522188 See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
407
views
1
answer
ruby on rails - Override ActiveRecord attribute methods
An example of what I'm talking about: class Person < ActiveRecord::Base def name=(name) super(name. ... something wrong with this example? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
618
views
1
answer
ruby on rails - How to return an empty ActiveRecord relation?
If I have a scope with a lambda and it takes an argument, depending on the value of the argument, I ... in the query being short-circuited. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
431
views
1
answer
ruby - TCPServer Error: Address already in use - bind(2)
Jekyll was working fine for me few weeks back but now all of a sudden it gives me the following error: ... ve tried re-installing as well. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
784
views
1
answer
ruby on rails 3 - How do I remove the Devise route to sign up?
I'm using Devise in a Rails 3 app, but in this case, a user must be created by an existing user, who ... users, path_names: { sign_up: '' } 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 - How do I clear stuck/stale Resque workers?
As you can see from the attached image, I've got a couple of workers that seem to be stuck. Those ... HireFire to automatically scale workers. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
574
views
1
answer
ruby - Update just one gem with bundler
I use bundler to manage dependencies in my rails app, and I have a gem hosted in a git repository included ... to update just one specific gem? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
367
views
1
answer
ruby on rails - How do you delete an ActiveRecord object?
How do you delete an ActiveRecord object? I looked at Active Record Querying and it does not have anything on ... based on a where clause? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
371
views
1
answer
ruby - How to reverse a 'rails generate'
I want to delete all the files it created and roll back any changes made, but not necessarily to the database ... changes might have been made? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
1.1k
views
1
answer
ruby on rails 4 - strftime error while switching my database from sqlite3 to mysql in Rails4
Recently i changed my database from sqlite3 to mysql.When i ran my project i am getting this error in one of the ... , date_of_birth) = '28/03') See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
514
views
1
answer
ruby - Bundle command not found. Bad Interpreter
I am having some issues with the bundler gem. When I run "gem list" I can see that bundler is installed. ... gitin; C:Program Files (x86)gitcmd See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
272
views
1
answer
ruby - Can the java cookbook be used to install a local copy of oracle java?
I have been trying to learn chef recently because I was planning on using it for deploying server config and ... recipes/java_dev_server.rb ==== See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
469
views
1
answer
ruby - How to skip the first line of a CSV file and make the second line the header
Is there a way to skip the first line of a CSV file and make the second line act as the header? I have ... so I can take advantage of headers. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
406
views
1
answer
ruby on rails - Rake Cron job error
0/5 * * * * /bin/bash -l -c 'cd /home/mss/ruby/example && RAILS_ENV=development /usr/local/bin/ ... command line Any help will be appreciated. See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
0
votes
340
views
1
answer
ruby on rails 3 - How do I match an entire day to a datetime field?
I have a table for matches. The table has a column named matchdate, which is a datetime field. If I have ... where datetime in date" function? See Question&Answers more detail:os...
asked
Oct 17, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
ruby
Page:
« prev
1
...
50
51
52
53
54
55
56
57
58
59
60
...
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] mongodb或mysql配合redis做事务
[2] 做一个PC端VUE项目需要学习哪些技术?
[3] matlab - Similarity matrix for harmonic percussive seperation
[4] reactjs - How to setState and useEffect correctly to read & display values from an object in React (hooks)?
[5] tightvnc mac和windows 如何共享剪贴板?
[6] CSS3 flex 垂直布局 当flex:1 的标签超出范围 导致页面出现滚动条
[7] iconfont 怎么做到按需引入,或者能等界面渲染完再引入可以吗?
[8] 关于数组为空判断问题
[9] c++ - Using "extern" keyword without #include "file.h"
[10] php - html tags in report PDF from HTML in Laravel
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
...