Questions tagged [associated-object]
60 questions
2
votes
1 answer
Rails creating duplicate record
I am trying to learn using rails. I was following http://guides.rubyonrails.org/getting_started.html
I added the associated model. but when I create the new event..it also duplicates it.
class EventsController < ApplicationController
def create
…
Ryan Cyrus
- 309
- 5
- 14
2
votes
1 answer
Rails 4: Correct way to create objects from other model from the controller
Using strong_params from Rails 4, what is the preferred best way to do this?
I used the below solution but are uncertain if this is the best way to do it. ( it works though )
Example:
game_controller.rb ( shortcut version!)
# inside game controller…
Rubytastic
- 15,001
- 18
- 87
- 175
1
vote
1 answer
Objective-C NSString memory leak with objc_setAssociatedObject
I found a memory leak for NSString with objc_setAssociatedObject
Test Code:
int i = 0;
while (YES) {
@autoreleasepool {
NSString *string = [[NSString alloc] initWithFormat:@"%d", i];
// Comment this line. Then the memory leak is…
Yanni
- 580
- 2
- 6
- 21
1
vote
1 answer
Can I add associated object to Swift Struct?
I would like to add an additional property to the Swift String. I used this approach few times on objects, but it seems that it does not work on struct. Although, I don't get any error...
This is what I tried:
var str = "Hello,…
Dave
- 1,081
- 6
- 10
1
vote
1 answer
Accessing extra data in a sqlalchemy associated object
The User object can be involved with a Project in many different ways, specified by Job association table. In my template file, I'm trying to loop through all of the projects in current_user.projects and with each one, specify what the Job was for…
dadiletta
- 299
- 3
- 17
1
vote
0 answers
Explanation for unique association key in a stored property in Swift
I am referring to a question about emulating stored properties in Swift, and the answer from jou:
How to have stored properties in Swift, the same way I had on Objective-C?
Currently I am using that answer to add custom properties to…
Tom Major
- 283
- 1
- 12
1
vote
2 answers
Access Objective-C Category's Property (Associated Reference) in Swift 3's Value Type
In my Objective-C class's .h file, I have created a Category for NSIndexPath like this:
@interface NSIndexPath (YVTableView)
@property (nonatomic, assign) NSInteger subRow;
@end
and in that class's .m file, I have implemented that like:
static…
Yash Vyas
- 558
- 4
- 24
1
vote
2 answers
How to use selector (SEL) with objc_setAssociatedObject?
Can I use somehow parameter of type SEL with objc_setAssociatedObject without converting it to NSString type?
Currently I'm using this code:
objc_setAssociatedObject(thirdPartyObject, &kSelectorKey, NSStringFromSelector(selector),…
Krypt
- 434
- 4
- 12
1
vote
1 answer
User Defined Runtime Attributes and Associated Objects
I'm currently trying to use User Defined Runtime Attributes in Xcode 6 with the following algorithm:
Add custom properties to UIView class using Associated Objects
#define ASSOCIATED_OBJECT_GETTER_AND_SETTER(propertyType, propertyName,…
Alexander
- 959
- 5
- 11
- 29
1
vote
2 answers
objc_getAssociatedObject returns the wrong value
Below is the code to associate an extra value with a button
- (int)uniqueId
{
return (int)objc_getAssociatedObject(self, uniqueIdStringKeyConstant);
}
- (void)setUniqueId:(int)uniqueId
{
objc_setAssociatedObject(self,…
Tapas Pal
- 7,073
- 8
- 39
- 86
1
vote
1 answer
Using arrays in typoscript
I'm quite new to typoscript and I want to use an array to associate a subject to an email adress like this
email_mapper {
general = info@somewhere.com
specific = me@somewhere.com
}
to_mail = email_mapper[GP:formhandler|subject]
how can I do…
LnspEctoor Gadget
- 51
- 5
1
vote
1 answer
object c runtime associate object
associate object tutorial
"The tutorial link gave me a clear concept of object-c runtime associate object"
After reading the example code below, I have a small question.
- (void)setAssociatedObject:(id)object
{
…
user1316408
- 37
- 1
- 2
- 8
1
vote
1 answer
setter and getter as objc_setAssociatedObjec
I do not understand what mean this style and are there any benefits for standard setter/getter?
- (UIViewController*)myVC {
return objc_getAssociatedObject(self, kMJPopupViewController);
}
- (void)setMyVC:(UIViewController *) myVC…
user3358463
- 125
- 15
1
vote
1 answer
RoR: Find all associated objects of an array of objects
Working in rails, I am working to output a list of a User's classes for the Fall 2012 quarter. I have 3 models of importance here: User, Quarters, and Courses. Based on the other work I've done, I'm pretty certain my model associations are spot…
mattwd7
- 57
- 1
- 8
0
votes
0 answers
Different associated object key in static framework when accessing outside
I wrote codes like below. this code is in static framework.
private struct AssociatedKeys {
static var someKey = "someKey"
}
extension SomeClass {
public var someProperty: String? {
get {
return objc_getAssociatedObject(self,…
presto
- 1