大约有 23,000 项符合查询结果（耗时：0.0381秒） [XML]
form_for with nested resources
...ctly in the show action:
class ArticlesController < ActionController::Base
....
def show
@article = Article.find(params[:id])
@new_comment = @article.comments.build
end
....
end
and then make a form for it in the article view:
<% form_for @new_comment do |f| %>
<%...
Overriding the java equals() method - not working?
....g. Eclipse) can even autogenerate equals() and hashcode() methods for you based on the class member variables.
– sk.
Oct 9 '08 at 5:48
1
...
How does one parse XML files? [closed]
...sing of an XML document and I agree with Jon Galloway that the LINQ to XML based approach is, in my opinion, the best. I did however have to dig a little to find usable examples, so without further ado, here are a few!
Any comments welcome as this code works but may not be perfect and I would like ...
Padding characters in printf
...$padlimit")
pad=${pad// /-}
So the pad (padlimit and padlength) could be based on terminal width ($COLUMNS) or computed from the length of the longest data string.
Output:
a--------------------------------bbbbbbb
aa--------------------------------bbbbbb
aaaa-------------------------------bbbbb
a...
How to remove an element from an array in Swift
...
can we filter only based on index ??
– shaqir saiyed
Mar 14 '19 at 7:47
...
Random color generator
...r(-6);
Guaranteed to work all the time: http://jsbin.com/OjELIfo/2/edit
Based on @eterps comment the code above can still generate shorter strings if hexadecimal representation of the random color is very short (0.730224609375 => 0.baf)
This code should work in all cases:
function makeRandom...
Loop through all the resources in a .resx file
...ionaryEntry>(). Using LINQ allows you, for example, to select resources based on their index (int) instead of key (string):
ResourceSet resourceSet = Resources.ResourceManager.GetResourceSet(CultureInfo.CurrentUICulture, true, true);
foreach (var entry in resourceSet.OfType<DictionaryEntry>...
Best way to handle list.index(might-not-exist) in python?
...- that will do 2 passes - but it's unlikely that from a thousand-line code-base this one will be the bottleneck. :) One can always opt-in for an imperative solution with for.
– Emil Ivanov
Jan 25 '10 at 15:40
...
How to reload or re-render the entire page using AngularJS
After rendering the entire page based on several user contexts and having made several $http requests, I want the user to be able to switch contexts and re-render everything again (resending all $http requests, etc). If I just redirect the user somewhere else, things work properly:
...
Location Manager Error : (KCLErrorDomain error 0)
...he location manager is using WiFi to triangulate the location, and the database doesn't cover the local networks. That apparently can be fixed by the user if they go here.
However as I noted I have also seen this occasionally as a transient error when running a location based program in a location ...