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Rails - How to use a Helper Inside a Controller
... is to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
def xxxx
@comments = []
Comment.find_each do |comment|
@comments << {:id => comment.id, :html => html_format(comment.content)}
end
end
end
Opti...
Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...", new Login());
return "login";
}
But I am going to provide some alternative syntax which I think you were trying with Spring 3.0.
You can also achieve the above functionality with
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String displayLogin(Login loginModel) ...
How to update the value stored in Dictionary in C#?
How to update value for a specific key in a dictionary Dictionary<string, int> ?
7 Answers
...
How to check if one DateTime is greater than the other in C#
...
if (StartDate < EndDate)
// code
if you just want the dates, and not the time
if (StartDate.Date < EndDate.Date)
// code
share
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...
Location Services not working in iOS 8
...g values represent the reason you you need to access the users location
<key>NSLocationWhenInUseUsageDescription</key>
<string>This application requires location services to work</string>
<key>NSLocationAlwaysUsageDescription</key>
<string>This applicatio...
git stash changes apply to new branch?
... @sfletche if you want to name your stash you need to do git stash save <name>, otherwise, like you say, it is the same as git stash.
– SgtPooki
Jun 18 '14 at 14:29
6
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Using async/await for multiple tasks
...tely asynchrounous, that is, each operation either returns Task or Task<T> , e.g:
6 Answers
...
Java SafeVarargs annotation, does a standard or best practice exist?
...s when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntactic sugar that undergoes a simple "re-writing" at compile-time: a varargs parameter of type X... is converted into a parameter of type X[]; and every time a call is...
Why covariance and contravariance do not support value type
IEnumerable<T> is co-variant but it does not support value type, just only reference type. The below simple code is compiled successfully:
...
Why do C++ libraries and frameworks never use smart pointers?
...tween versions.
The bottom line is that if you want to distribute a prebuilt version of your library, you need a standard ABI on which to rely. C doesn’t have one, but compiler vendors are very good about interoperability between C libraries for a given platform—there are de facto standards.
T...