What is the benefit of clearing a dictionary, when you can just reassign
it as empty? Similarly, suppose I generate a new dictionary b, and need
to have it accessible from a. What is the best method, under which
circumstances?
import some_function
a = {1:2,3:4}
b = {1:2:4:3}
Bill Jackson wrote the following on 04/20/2007 09:48 AM:
import some_function
a = {1:2,3:4}
b = {1:2:4:3}
a.clear()
a.update(b)
a = {1:2,3:4}
b = {1:2,4:3}
for key in b:
a[key] = b[key]
Clearly, this won't have the same result as the other two examples.
Bill Jackson wrote:
What is the benefit of clearing a dictionary, when you can just reassign
it as empty?
If you have objects that point to the dictionary (something like a cache)
then you want to clear the existing dictionary instead of just assigning
it to empty. If nothing points to it,
En Fri, 20 Apr 2007 14:28:00 -0300, Larry Bates [EMAIL PROTECTED]
escribió:
Bill Jackson wrote:
What is the benefit of clearing a dictionary, when you can just reassign
it as empty?
If you have objects that point to the dictionary (something like a cache)
then you want to clear the
Gabriel Genellina wrote:
En Fri, 20 Apr 2007 14:28:00 -0300, Larry Bates
[EMAIL PROTECTED] escribió:
Bill Jackson wrote:
What is the benefit of clearing a dictionary, when you can just reassign
it as empty?
If you have objects that point to the dictionary (something like a cache)
then
On Fri, 20 Apr 2007 09:48:07 -0700, Bill Jackson wrote:
What is the benefit of clearing a dictionary, when you can just reassign
it as empty?
They are two different things. In the first place, you clear the
dictionary. In the second place, you reassign the name to a new object
(which may be
