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form_for with nested resources
...er.rb
app/controllers/comments_controller.rb
just as it says at http://guides.rubyonrails.org/routing.html#nested-resources, with no special namespaces.
But partials and forms become tricky. Note the square brackets:
<%= form_for [@article, @comment] do |f| %>
Most important, if you want...
angularjs: ng-src equivalent for background-image:url(…)
... ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
...
Finding the Eclipse Version Number
...eclipseproduct in the main folder, and it contains:
name=Eclipse Platform
id=org.eclipse.platform
version=3.x.0
So that seems more straightforward than my original answer below.
Also, Neeme Praks mentions below that there is a eclipse/configuration/config.ini which includes a line like:
eclipse...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...些修改，导致的一些麻烦
1、建立postfix用户，并且指定UID，GID为2525，组postdrop
groupadd -g 2525 postfix
useradd -g postfix -u 2525 -s /sbin/nologin -M postfix
groupadd -g 2526 postdrop
useradd -g postdrop -u 2526 -s /sbin/nologin -M postdrop
2、解压编译安装po...
How do I submit disabled input in ASP.NET MVC?
...net asp and I never knew that disabled inputs don't get poste back... how did that pass me? Just include a Hidden field for the disabled select and its all sorted.(Even though the ID's are repeated on the form which is not allowed)
– Piotr Kula
Jun 10 '13 at 15...
Android: Create spinner programmatically from array
I'm all new to Android and I'm trying to create a spinner programmatically and feeding it with data from an array, but Eclipse gives me a warning that I can't handle.
...
CSS Pseudo-classes with inline styles
...nk of inline styles as the styles applied to some anonymous super-specific ID selector: those styles only apply to that one very element with the style attribute. (They take precedence over an ID selector in a stylesheet too, if that element has that ID.) Technically it doesn't work like that; this ...
How to find current transaction level?
...D AS TRANSACTION_ISOLATION_LEVEL
FROM sys.dm_exec_sessions
where session_id = @@SPID
docs.microsoft.com reference for the constant values.
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Turning Sonar off for certain code
...'m not sure if Sonar correctly interprets @SuppressFBWarnings (added to avoid clashes with java.lang.SuppressWarnings) and also ignores it.
– Marcel Stör
Jul 17 '13 at 6:39
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How can I export tables to Excel from a webpage [closed]
...from tables to Excel is Jquery DataTables Table Tools plugin. You get a grid that sorts, filters, orders, and pages your data, and with just a few extra lines of code and two small files included, you get export to Excel, PDF, CSV, to clipboard and to the printer.
This is all the code that's requi...