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Python __call__ special method practical example
...torial function that contains a static variable (as that's not possible in Python).
class Factorial:
def __init__(self):
self.cache = {}
def __call__(self, n):
if n not in self.cache:
if n == 0:
self.cache[n] = 1
else:
...
How to return a result from a VBA function
...ted Sep 15 '14 at 7:23
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered May 6 '10 at 14:13
...
How do you tell if caps lock is on using JavaScript?
... addressing...
uppercase A-Z or 'Ä', 'Ö', 'Ü',
lowercase a-Z or 0-9 or 'ä', 'ö', 'ü'
The above keys are just sample representation.
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How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
...e the same tool to convert it the other way?
– Olle Härstedt
Sep 26 '18 at 9:18
yes, looks like you're looking at: s...
MySQL DROP all tables, ignoring foreign keys
...ed Oct 16 '12 at 15:09
Jean-François BeauchampJean-François Beauchamp
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...
Difference between JSON.stringify and JSON.parse
.... People often confuse JSON "string representation" and Object (or dict in Python, etc.).
– jbmusso
Dec 13 '18 at 12:56
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ssibilities:
You can use the builtin list.copy() method (available since Python 3.3):
new_list = old_list.copy()
You can slice it:
new_list = old_list[:]
Alex Martelli's opinion (at least back in 2007) about this is, that it is a weird syntax and it does not make sense to use it ever. ;) (In...
Clear text from textarea with selenium
...rom selenium.webdriver.common.keys import Keys
#...your code (I was using python 3)
driver.find_element_by_id('foo').send_keys(Keys.CONTROL + "a");
driver.find_element_by_id('foo').send_keys(Keys.DELETE);
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What is the easiest way to duplicate an activerecord record?
...nswered Sep 15 '08 at 13:36
François BeausoleilFrançois Beausoleil
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...
What is Data Transfer Object?
What is a Data Transfer Object?
8 Answers
8
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