Ruby on Rails + Jquery: Saving data from draggable lists
I'm trying to save data to the MySQL database in Rails when the user drags items from different lists. I'm using the below Jquery script and HTML: 当用户...
Ruby on Rails和来自URL的JSON解析器
I use 'gem json' and need load JSON data from some url, for example: 我使用'gem json'并且需要从某个url加载JSON数据,例如: "http://locallhost:3000/qwerty/give_json.jso...
Ruby on Rails:从输入字段保存会话变量
How do I save a session variable (maybe into a cookie) when a user inputs a location? I'd like to keep this information for future sign ins. So they w...
需要替代Ruby on Rails项目的过滤器/观察者
Rails has a nice set of filters (before_validation, before_create, after_save, etc) as well as support for observers, but I'm faced with a situation i...
使用Send_File到远程源(Ruby on Rails)
In my app, I have a requirement that is stumping me. 在我的应用程序中,我有一个要求让我感到难过。 I have a file stored in S3, and when a user clicks on a link in my app, I ...
Rails:从另一台服务器下载文件(无需读取文件)
I have a rails application that has links to download a files from another server. I want to try and prevent the actual file url/locations from being ...
Rails3 -从远程服务器下载文件并将其上传到S3
I'm currently migrating my project from PHP (codeigniter) to Rails3 and it's amazing. But I'm a rails/ruby newbie so I've faced a problem which I don'...
获取现有项目并将其移至Ruby on Rails环境中
I have the front end of a website built. It is made from a number of HTML, JavaScript, and Jquery files. Is there a way to take those files and move t...
在Ruby on Rails项目中查找内存泄漏
I have a Ruby on Rails project with what seems to be a memory leak. It keeps using more and more memory until it crashes. Dumping the amount of object...
如何创建在Ruby on Rails中可用的项目范围内的javascript函数?
I put the following function in my application.js: 我在我的应用程序中添加了如下函数: function test() { alert("See Me")} classrooms/_new_small.html.haml: 教室/ _new_sma...
Ruby on Rails 4 - CSV导入 - 没有隐式转换为字符串
I'm trying to import CSV data to my mysql DB but I'm running into an error when I try to upload the file : 我正在尝试将CSV数据导入我的mysql数据库,但是当我尝试上传文件时遇到错误: ...
如何在rails项目中设置Wistia ruby gem
The wistia-api gem (https://github.com/wistia/wistia-api) says that I have to set the Wistia password like so: wistia-api gem(https://github.com/wisti...
如何在Ruby on Rails 3项目中将YAML数据导入数据库?
I'm now working on a legacy Ruby on Rails project. I found the previous owner of this project exported data from Sqlite3 data tables to separate .yml ...
如何在rails项目上导入ruby
I am trying to import a project that someone else build 1 year ago, now my mac have already installed all below which include: 我试图导入一个别人在1年前建立的项目,现在我的...
我如何将rails应用程序上的ruby导入另一台计算机
I'm trying to import ruby on rails project to my computer but am running into all sorts of problems with the database. 我正在尝试将rails项目中的ruby导入我的计算机,但是我遇...
RAILS局部视图操作样例
按如下书操作的,讲得很易懂。。<html><head> <title>SampleApp</title> <%= stylesheet_link_tag 'application', media: 'all', 'data-turbol...
Rails使用send_file发送0字节文件
I can't get send_file(Model.attachment.path) to work. It doesn't fail, instead, it sends a 0 byte size file to the client, the file names are correct ...
使用rails,nginx和send_file在Chrome中流式传输mp4
I can't for the life of me stream a mp4 to Chrome with a html5 <video> tag. If I drop the file in public then everything is gravy and works as e...
在Ruby on Rails中,send_data和send_file有什么区别?
Which one is best for streaming and file downloads? 哪种方式最适合流媒体和文件下载? Please provide examples. 请提供例子。2 个解决方案 ...
Ruby On Rails:send_file通过jquery / ajax请求
I am having trouble downloading files from my rails server through ajax: 我无法通过ajax从rails服务器下载文件: I have a show action in my downloads controller that ...