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Iterate through pairs of items in a Python list [duplicate]
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From itertools receipes:
from itertools import tee
def pairwise(iterable):
"s -> (s0,s1), (s1,s2), (s2, s3), ..."
a, b = tee(iterable)
next(b, None)
return zip(a, b)
for v, w in pairwise(a):
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How to hide TabPage from TabControl [duplicate]
How to hide TabPage from TabControl in WinForms 2.0?
22 Answers
22
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How can I make a time delay in Python? [duplicate]
... the time module. It can take a float argument for sub-second resolution.
from time import sleep
sleep(0.1) # Time in seconds
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How to create a windows service from java app
...used windows in any form and I've never had to create a service, let alone from something like a java app (I've got a jar for the app and a single dependency jar - log4j). What is the magic necessary to make this run as a service? I've got the source, so code modifications, though preferably avoid...
When monkey patching an instance method, can you call the overridden method from the new implementat
...onkey patching a method in a class, how could I call the overridden method from the overriding method? I.e. Something a bit like super
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How do I pass a unique_ptr argument to a constructor or a function?
...hey must do one of the following:
Base newBase(std::move(nextBase));
Base fromTemp(std::unique_ptr<Base>(new Base(...));
To take a unique pointer by value means that you are transferring ownership of the pointer to the function/object/etc in question. After newBase is constructed, nextBase ...
How do I convert from int to Long in Java?
I keep finding both on here and Google people having troubles going from long to int and not the other way around. Yet I'm sure I'm not the only one that has run into this scenario before going from int to Long .
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what is the difference between ?:, ?! and ?= in regex?
..."ab".
The difference between ?: and ?= is that ?= excludes the expression from the entire match while ?: just doesn't create a capturing group. So for example a(?:b) will match the "ab" in "abc", while a(?=b) will only match the "a" in "abc". a(b) would match the "ab" in "abc" and create a capture ...
Are Git forks actually Git clones?
...and upstream on GitHub?"
And with Git 2.20 (Q4 2018) and more, fetching from fork is more efficient, with delta islands.
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How do you implement a Stack and a Queue in JavaScript?
....shift(); // queue is now [5]
alert(i); // displays 2
taken from "9 javascript tips you may not know"
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