I have an array of objects like so: var myArray = [ {field: ‘id’, operator: ‘eq’, value: id}, {field: ‘cStatus’, operator: ‘eq’, value: cStatus}, {field: ‘money’, operator: ‘eq’, value: money} ]; How do I remove a specific one based on its property? e.g. How would I remove the array object with ‘money’ as the field … Read more
We’re often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world. But there are many times when a field is just there to hold a value and doesn’t require any computation to get or set. For these we … Read more
This question already has answers here: Add a property to a JavaScript object using a variable as the name? (14 answers) Closed 6 years ago. I want to add a new property to ‘myObj’, name it ‘string1’ and give it a value of ‘string2’, but when I do it it returns ‘undefined: var myObj = … Read more
In Kotlin, if you don’t want to initialize a class property inside the constructor or in the top of the class body, you have basically these two options (from the language reference): Lazy Initialization lazy() is a function that takes a lambda and returns an instance of Lazy<T> which can serve as a delegate for … Read more
After the changes made in jQuery 1.6.1, I have been trying to define the difference between properties and attributes in HTML. Looking at the list on the jQuery 1.6.1 release notes (near the bottom), it seems one can classify HTML properties and attributes as follows: Properties: All which either has a boolean value or that … Read more
Why does the following work? <something>.stop().animate( { ‘top’ : 10 }, 10 ); Whereas this doesn’t work: var thetop = ‘top’; <something>.stop().animate( { thetop : 10 }, 10 ); To make it even clearer: At the moment I’m not able to pass a CSS property to the animate function as a variable. 16 s 16 … Read more
What are the differences between implementing a @property with @dynamic or @synthesize? 8 s 8 @synthesize will generate getter and setter methods for your property. @dynamic just tells the compiler that the getter and setter methods are implemented not by the class itself but somewhere else (like the superclass or will be provided at runtime). … Read more
This question already has answers here: How do I loop through or enumerate a JavaScript object? (44 answers) Closed 5 years ago. How do I enumerate the properties of a JavaScript object? I actually want to list all the defined variables and their values, but I’ve learned that defining a variable actually creates a property … Read more
How do I get a list of all the properties of a class? 1Best Answer 11 Reflection; for an instance: obj.GetType().GetProperties(); for a type: typeof(Foo).GetProperties(); for example: class Foo { public int A {get;set;} public string B {get;set;} } … Foo foo = new Foo {A = 1, B = “abc”}; foreach(var prop in foo.GetType().GetProperties()) … Read more
Here is a pure Python-specific design question: class MyClass(object): … def get_my_attr(self): … def set_my_attr(self, value): … and class MyClass(object): … @property def my_attr(self): … @my_attr.setter def my_attr(self, value): … Python lets us to do it either way. If you would design a Python program, which approach would you use and why? 13 s 13 … Read more
