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Questions tagged [dynamic-properties]

75 questions
9
votes
3 answers

Is it possible to add methods on the fly to MATLAB classes?

Writing a subclass of dynamicprops allows to me to add properties dynamically to an object: addprop(obj, 'new_prop') This is great, but I would also love to create set / get functions for these properties on the fly. Or analysis functions that work…
memyself
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2 answers

Laravel dynamic property not working

I'm using the eloquent ORM in Laravel with a hasMany relationship. when I run: Level::find(1)->lessons()->get(); It works fine, but when I use the dynamic property like so: Level::find(1)->lessons It just returns results for the level instead of…
Rob
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5
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2 answers

Dynamically assign the getter for a dependent property in MATLAB

In Matlab, I can define a class as such: classdef klass < handle properties(Dependent) prop end end Matlab is perfectly happy instantiating an object of this class, even without defining a getter for prop. It only fails when I try…
mbauman
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4
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3 answers

Objective C - respondsToSelector for dynamic properties

I am currently facing the problem to check whether a property of an Object (NSManagedObject) exists or not. Unfortunately the method [[MyObject class] respondsToSelector:@selector(myProperty)]; always returns NO. I think it's because the property…
Alexander
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4
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2 answers

PHP:isset() returns false for object's dynamic properties

I have a heirarchy of classes that get initialized from a database. I am using __get() and __set() with an array in a common Item base class to support different numbers of properties. One class derived from Item, UserProfile is used to store user…
Sinthia V
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4
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2 answers

How would I convert List> into a List<[new class with dynamic properties]>

I have a design where class holds a List<> of Summary objects, and each Summary is a dictionary of semi-dynamic properties. That is, every Summary in a given list will have the same keys in the dictionary. I'm using this design to build a set of…
Daniel Jones
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1 answer

Multiple instances of a bean of one class filled with values from application.properties

I intend to write some HealtCheckContributors for a Spring Boot application using spring-boot-actuator. Hence, I implemented two of them. they are intended for checking the health of different apps, of course, but have a nearly identical structure,…
du-it
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3
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1 answer

@dynamic properties not supported in GDB?

I'm using @dynamic properties in combination with -forwardInvocation: to generate properties at runtime (like described in this answer). Now, when I try to work with such a property (assuming name is such a dynamic property) in GDB I always get…
Ortwin Gentz
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1 answer

Is there a way to create a dynamic model that has dynamic rules to validate dynamic properties using Yii2?

I have a bunch of dynamic forms which means I can't know beforehand what and how many input fields a form has and how many forms it will be. I would like to create a dynamic model that has dynamic rules for validating all kinds of input fields and…
O Connor
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3
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1 answer

boost::dynamic_properties and immutable graph object

after implementing some algorithm using the BGL, im trying to provide io functions using GraphML. However, i dont manage to compile a suitable operator<< that takes a const Graph reference. Here is a boiled down example: // use bundled properties…
Marti Nito
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2 answers

C# - Dynamic properties and RaisePropertyChanged

I have following class which I use for radio button binding public class RadioButtonSwitch : ViewModelBase { IDictionary _options; public RadioButtonSwitch(IDictionary options) { …
Luke
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Why does Matlab change the value of all objects that are properties of a main object?

I am having trouble understanding the behaviour of Matlab when it comes to changing the properties of objects that are set as a property of some other object. Specifically, suppose I have three objects: a parentObject, a childObject and a…
Sam
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Spring reload properties without restarting TOMCAT

I have this Spring MVC application that makes use of PropertyPlaceholderConfigurer to load properties using @Value annotation. I understand that all properties are loaded at server startup when context is initialized. Howevver, is there a way that…
va1b4av
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1 answer

Custom/Dynamic properties on objects/structs

Is it possible in Swift to create a struct that has "dynamic" properties? i.e. if I have a dictionary that is returned from some JSON API and I know at build time that it has name, id in it. Then I can build a struct like... struct MyStruct { …
Fogmeister
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2
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1 answer

Boost: access graph specific properties with read_graphml()

I am trying to read graph related (custom) properties from a .graphml file created with yEd using the Boost Graph library. Reading vertex and edge (dynamic_)properties works but my graph properties are always empty. I've also came across how to read…
CodeFinder
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