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 ...
rails如何知道send_file何时完成
As it takes some time to prepare the content of the data to be downloaded, I want to show a message "Preparing file to download" when the user submits...
Rails 3, apache & passenger, send_file sends zero byte files
I'm struggling with send_file with rails 3.0.9 running ruby 1.9, passenger 3.0.8 on apache on ubuntu lucid The xsendfile module is installed and loade...
在Ruby on Rails中,在send_file方法之后从服务器中删除该文件
I am using following code for sending the file in Rails. 我使用以下代码在Rails中发送文件。 if File.exist?(file_path) send_file(file_path, type: 'text/excel') Fil...
Ruby on Rails的send_file需要永远显示下载对话框
So I have a ~40MB .wav file that users are downloading with the click of a button. The markup looks like this: 所以我有一个~40MB .wav文件,用户只需点击一下即可下载。标记看起来像这...
从S3下载文件到Rails 4应用
I have an AWS VM that runs a daily task and generates several files. I want my Rails app to download these files and place them in a folder within the...
如何在Ruby on Rails中解压缩文件?
I'm uploading a file to the server in Ruby on Rails 我在Ruby on Rails上将文件上传到服务器 Normally, it's a text file and I save it in the model as a 'file' field ...
使用Ruby on Rails从解析的HTML生成Xpath
Given the following example HTML: 给出以下示例HTML: <table cellpadding="4" cellspacing="0" border="0" width="100%"> <tbody> <tr bgcolor="...
How to Generate PDF in Ruby on Rails(HowtoGeneratePDFs) ZT
This howto covers seven approaches to generating a PDF document with Rails. HTMLDOC PdfWriter PDF::Writer (Austin Ziegler) Ruby FPDF JasperReports...
如何使用Rails生成Excel文件?
I was searching Ruby toolbox for a popular, well-supported tool to generate XSLX (Excel 2007 and on) document, but I didn't manage to find anything. I...
Ruby on Rails:为文件夹中的每个文件生成HTML
I currently have a folder with a list of small *.ogg files that I would like to insert into an html.erb page in my /public folder. 我目前有一个包含小* .ogg文件列...
如何从String生成文本文件以便在Ruby on Rails中下载
I'm building a website using Rails and I have a Model with some text type value store in MySQL database, I need to provide a download link for my user...
如何让我的Rails应用程序的每个独角兽工作者登录到另一个文件?
How can I make each unicorn worker of my Rails application writting in a different log file ? 如何让我的Rails应用程序的每个独角兽工作者在另一个日志文件中写入? The why : problem of...
在Rails中截断字符串:“...”显示字符串的长度
I'm currently trying to truncate any strings greater than 65 characters. 我正在尝试截断任何超过65个字符的字符串。 My code is 我的代码是 <title><%= truncate(title.ht...
如何从Rails的URL获取查询字符串?
Is there is a way to get the query string in a passed URL string in Rails? 是否有一种方法可以在Rails中传递的URL字符串中获取查询字符串? I want to pass a URL string: 我想传递一个URL字符...
从Rails应用程序中的gem重载CSS文件
I'm writing a Rails gem for my app. In this gem I have a CSS file. And everything works fine. But I want to be able to overload this file in my Rails ...
Rails报找不到sanitize和raw方法的解决
以下一段代码作用是对html字符串做过滤作用:sanitize(raw(content.split.map{ |s| wrap_long_string(s) }.join(' ')))不过实际会报错,我的rails环境是4.0.6,故意没有升级到最新.首先raw被标记为废弃的,你可以用String#...
在使用Wicegrid的Rails中,如何创建link_to来销毁记录并返回到网格?
I am using Rails 4 with Wicegrid, I want to have a link on each row of the grid to be able to delete a record, I have created the link_to but when I p...
如何在Rails中实现真正的破坏?
I have an after_destroy model callback that regenerates cache after the model instance has been destroyed. It does this by calling open("http://domain...