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How is a CRC32 checksum calculated?
...eing it, but CRC32 seems either needlessly complicated, or insufficiently em>x m>plained anywhere I could find on the web.
7 Ans...
Test a weekly cron job [closed]
..., run the following as root:
run-parts -v /etc/cron.weekly
... or the nem>x m>t one if you receive the "Not a directory: -v" error:
run-parts /etc/cron.weekly -v
Option -v prints the script names before they are run.
share
...
Drawing a dot on HTML5 canvas [duplicate]
...rawing a line on the HTML5 canvas is quite straightforward using the contem>x m>t.moveTo() and contem>x m>t.lineTo() functions.
6...
How to check if a string contains an element from a list in Python
...erator together with any, which short-circuits on the first True:
if any(em>x m>t in url_string for em>x m>t in em>x m>tensionsToCheck):
print(url_string)
EDIT: I see this answer has been accepted by OP. Though my solution may be "good enough" solution to his particular problem, and is a good general way to...
How can I create an Asynchronous function in Javascript?
...provided natively, such as:
setInterval
setTimeout
requestAnimationFrame
m>X m>MLHttpRequest
WebSocket
Worker
Some HTML5 APIs such as the File API, Web Database API
Technologies that support onload
... many others
In fact, for the animation jQuery uses setInterval.
...
Why are floating point numbers inaccurate?
...ing point numbers are represented a lot like scientific notation: with an em>x m>ponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction:
5179139571476070 * 2 -49
Where the em>x m>ponent is -49 and the mantissa is 5179139571476070. The reason it is i...
m>X m>code build failure “Undefined symbols for architecture m>x m>86_64”
An m>X m>code beginner's question:
24 Answers
24
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What's a standard way to do a no-op in python?
...r which the corresponding action is to do nothing. I realise I could just em>x m>clude those if statements, but for readability I find it helps to include them all, so that if you are looking through the code you can see what happens as a result of each option. How do I code the no-op? Currently, I'm doi...
Mocking a class: Mock() or patch()?
...t;>> def create_instance():
... return MyClass()
...
>>> m>x m> = create_instance()
Created MyClass@4299548304
>>>
>>> @mock.patch('__main__.MyClass')
... def create_instance2(MyClass):
... MyClass.return_value = 'foo'
... return create_instance()
...
>>&gt...
Create an empty list in python with certain size
...None, None, None, None, None, None, None, None]
Assigning a value to an em>x m>isting element of the above list:
>>> l[1] = 5
>>> l
[None, 5, None, None, None, None, None, None, None, None]
Keep in mind that something like l[15] = 5 would still fail, as our list has only 10 element...