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The requested operation cannot be performed on a file with a user-mapped section open
... check which application is locking your output file with OpenedFilesView:
http://www.nirsoft.net/utils/opened_files_view.html
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How to access data/data folder in Android device?
... developing an app and I know my database *.db will appear in data/data/com.****.***
18 Answers
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How can I strip first and last double quotes?
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Almost done. Quoting from http://docs.python.org/library/stdtypes.html?highlight=strip#str.strip
The chars argument is a string
specifying the set of characters to be
removed.
[...]
The chars argument is not a prefix or
suffix; rather,...
What's the function like sum() but for multiplication? product()?
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Actually, Guido vetoed the idea: http://bugs.python.org/issue1093
But, as noted in that issue, you can make one pretty easily:
from functools import reduce # Valid in Python 2.6+, required in Python 3
import operator
reduce(operator.mul, (3, 4, 5), 1)
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lodash multi-column sortBy descending
... For you info, this function has been renamed to _.orderBy(lodash.com/docs#orderBy) in Lodash as of 4.3.0. The normal sort function is called _.sortBy(lodash.com/docs#sortBy)
– Nidhin David
Feb 12 '16 at 11:19
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Disable LESS-CSS Overwriting calc() [duplicate]
...(100% - 200px);
width: -o-calc(100% - 200px);
A codepen of this example: http://codepen.io/patrickberkeley/pen/zobdp
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String length in bytes in JavaScript
...server, are you specifying the content-encoding of the message body via an HTTP header?
– Mike Samuel
Apr 1 '11 at 16:20
1
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How to remove “disabled” attribute using jQuery?
....preventDefault();
$('.inputDisabled').removeAttr("disabled")
});
http://jsfiddle.net/ZwHfY/
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New line in text area
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I've found String.fromCharCode(13, 10) helpful when using view engines.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode
This creates a string with the actual newline characters in it and so forces the view engine to output a newline rather tha...
Shuffling a list of objects
...ng sample(a, len(a)) is the solution, using len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation.
Here's a simple version using random.sample() that returns the shuffled result as a new list.
import random
a = range(5)
b = rando...