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Javascript “this” pointer within nested function
...on , try to get the output for the following snippet
var myObject = {
foo: "bar",
func: function() {
var self = this;
console.log("outer func: this.foo = " + this.foo);
console.log("outer func: self.foo = " + self.foo);
(function() {
console.log...
difference between variables inside and outside of __init__()
...
Without Self
Create some objects:
class foo(object):
x = 'original class'
c1, c2 = foo(), foo()
I can change the c1 instance, and it will not affect the c2 instance:
c1.x = 'changed instance'
c2.x
>>> 'original class'
But if I change the foo clas...
Swift: Convert enum value to String?
...e interface and access the description getter. Define your enum as:
enum Foo : CustomStringConvertible {
case Bing
case Bang
case Boom
var description : String {
switch self {
// Use Internationalization, as appropriate.
case .Bing: return "Bing"
case .Bang: return "Ban...
Inherit docstrings in Python class inheritance
... was created. Check it out here.
"""
doc_inherit decorator
Usage:
class Foo(object):
def foo(self):
"Frobber"
pass
class Bar(Foo):
@doc_inherit
def foo(self):
pass
Now, Bar.foo.__doc__ == Bar().foo.__doc__ == Foo.foo.__doc__ == "Frobber"
"""
from functools ...
The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
... assignment.
Consider the case of data extraction on the following list:
foo <- list( str='R', vec=c(1,2,3), bool=TRUE )
Say we would like to extract the value stored by bool from foo and use it inside an if() statement. This will illustrate the differences between the return values of [] and...
Class does not implement its superclass's required members
...g loaded from a storyboard:
required init(coder aDecoder: NSCoder!) {
foo = "some string"
bar = 9001
super.init(coder: aDecoder)
}
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Creating your own header file in C
...
foo.h
#ifndef FOO_H_ /* Include guard */
#define FOO_H_
int foo(int x); /* An example function declaration */
#endif // FOO_H_
foo.c
#include "foo.h" /* Include the header (not strictly necessary here) */
int foo(i...
How to loop through all enum values in C#? [duplicate]
Is there a way to loop through the possible values of Foos ?
8 Answers
8
...
Java generics T vs Object
...ds of Object.
But with context - if you have a generic class:
MyClass<Foo> my = new MyClass<Foo>();
Foo foo = new Foo();
Then:
Foo newFoo = my.doSomething(foo);
Same code with object
Foo newFoo = (Foo) my.doSomething(foo);
Two advantages:
no need of casting (the compiler hide...
Command not found when using sudo
I have a script called foo.sh in my home folder.
9 Answers
9
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