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Length of generator output [duplicate]
Python provides a nice method for getting length of an eager iterable, len(x) that is. But I couldn't find anything similar for lazy iterables represented by generator comprehensions and functions. Of course, it is not hard to write something like:
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Dynamically set local variable [duplicate]
...ther answers already posted you cannot modify locals() directly and expect it to work.
>>> def foo():
lcl = locals()
lcl['xyz'] = 42
print(xyz)
>>> foo()
Traceback (most recent call last):
File "<pyshell#6>", line 1, in <module>
foo()
File "<p...
How can I create a copy of an object in Python?
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edited Dec 14 '18 at 15:35
answered Jan 25 '11 at 13:49
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Instance attribute attribute_name defined outside __init__
I split up my class constructor by letting it call multiple functions, like this:
6 Answers
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What is the advantage of GCC's __builtin_expect in if else statements?
...expect(x, 0)) {
foo();
...
} else {
bar();
...
}
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instructions are arranged in such an order that the bar case precedes ...
How to change a module variable from another module?
Suppose I have a package named bar , and it contains bar.py :
3 Answers
3
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How can I reference a commit in an issue comment on GitHub?
I find a lot of answers on how to reference a GitHub issue in a git commit (using the #xxx notation).
I'd like to reference a commit in my comment, generating a link to the commit details page?
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Pythonic way to find maximum value and its index in a list?
If I want the maximum value in a list, I can just write max(List) , but what if I also need the index of the maximum value?
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oracle10g 网址收藏 - ORACLE - 清泛IT论坛,有思想、有深度
...TN了:
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (32-bit)
http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip
http://download.oracle.com/otn/nt/oracle10g/10201/10201_client_win32.zip
http://download.oracle.com/otn/nt/ora...
Get a filtered list of files in a directory
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edited Jul 14 at 12:02
Matteo Ragni
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