self Questions
3
Solved
I'm having a really hard time understanding the intersection of OO Perl and my $self = shift; The documentation on these individual elements is great, but none of them that I've found touch on how ...
Excommunicatory asked 3/10, 2013 at 14:29
4
Solved
This works:
class MyClass(object):
pass
someinstance = MyClass()
someinstance.myattribute = 42
print someinstance.myattribute
>>> 42
But this doesn't:
someinstance = object()
s...
Landy asked 21/4, 2011 at 8:47
2
Solved
3
Solved
class MyClass
def one
def two
end
end
end
obj = MyClass.new
obj.one
puts obj.method(:two).owner #==> MyClass
Here i define method two inside another method one. Method one is called by th...
3
Solved
i have a function that retrieve a list of stores in Python this functions is called :
class LeclercScraper(BaseScraper):
"""
This class allows scraping of Leclerc Drive website. It is the entry...
2
Solved
I have a method that occasionally crashes.
-(void)foo{
[self doSomething];
[self.delegate didFinish];
[self doSomethingElse];
}
-doSomething works correctly, then I call to a delegate -didFin...
Archon asked 1/8, 2013 at 14:13
2
I've been tasked with cleaning up some Clang errors in a code base. I am very new to iPhone development and Objective C, but have found most of the problems trivial... this one is stumping me thoug...
Lustrum asked 22/7, 2013 at 21:56
1
Solved
class Domin():
def __init__(self , a, b) :
self.a=a , self.b=b
def where(self):
print 'face : ' , self.a , "face : " ,self.b
def value(self):
print self.a + self.b
d1=Domin(1 , 5)
d1=Dom...
1
Some Scala APIs alias this to self, for example,
trait Function1[-T1, +R] extends AnyRef { self =>
I know how this aliasing works in general, but don't see how traits such as Function1 benefi...
1
Solved
I have a class, A, which is inherited by a bunch of other classes. Some of these have a few functions which are similar and it would be nice to have those functions defined somewhere else and calle...
3
Regarding F# self-identifier's as in:
type MyClass2 =
let data = 123
member whateverYouWant.PrintMessage() =
printf "MyClass2 with Data %d" data
The F# class documentation says:
Unl...
Evette asked 13/3, 2013 at 7:2
4
Solved
I thought I was starting to get a grip on "the Python way" of programming. Methods of a class accept self as the first parameter to refer to the instance of the class whose context the method is be...
Magical asked 10/2, 2009 at 17:18
2
Solved
Can anyone explain why do I get different values of self and this? Where self is a reference to this.
function Parent(){
var self = this;
this.func = function(){
// self.a is undefined
// this...
Indelicacy asked 25/2, 2013 at 9:27
3
Solved
Is there anyway of making Python methods have access to the class fields/methods without using the self parameter?
It's really annoying having to write self. self. self. self. The code gets ...
4
Solved
In my appDelegate.h file I do this:
CLLocationManager *locationManager;
and
@property (nonatomic, retain) CLLocationManager *locationManager;
Then later in the .m file:
...
@synthesize loca...
Plovdiv asked 8/11, 2012 at 17:49
3
Solved
Possible Duplicate:
How does an underscore in front of a variable in a cocoa objective-c class work?
I have been very confused with using self or underscore with variable name after s...
Sapindaceous asked 29/8, 2012 at 9:53
1
Solved
How can I use the this function in meteor? for example, I want to be able to click on any given element and find out what its class is. Also, how can I get information on the item that I click on w...
Igraine asked 2/8, 2012 at 3:23
1
Solved
I have a custom accessor method in my rails 3.1.6 app that assigns a value to an attribute, even if the value is not present.The my_attr attribute is a serialized Hash which should be merged with t...
Middy asked 12/7, 2012 at 21:51
2
Solved
I've come across some C++ code that has the following:
typedef Request Request;
Is this just a no-op or does this typedef actual have an effect, and if so, what effect does it have?
2
Solved
Is there a difference in usage between
class Helper
class << self
# ...
end
end
and
module Helper
class << self
# ...
end
end
When would you use one over the other?
3
Solved
I've been striving mightily for three days to wrap my head around __init__ and "self", starting at Learn Python the Hard Way exercise 42, and moving on to read parts of the Python documentation, Al...
2
Solved
instance_eval method change self in its block, eg:
class D; end
d = D.new
d.instance_eval do
puts self # print something like #<D:0x8a6d9f4>, not 'main'!
end
If we define a method ourself...
Facture asked 27/2, 2012 at 6:9
6
Solved
I think I have some misunderstandings of the usage of "class" and "inheritance' in Python. I'll simplify my question as the followings:
class A:
def __init__(self):
self.data = 100
class B(A):
...
Plater asked 15/2, 2012 at 14:11
3
2
Solved
What is the difference between class and instance variables in Python?
class Complex:
a = 1
and
class Complex:
def __init__(self):
self.a = 1
Using the call: x = Complex().a in both cases ...
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