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Multiple inheritance/prototypes in JavaScript
...s a function or a constructor.
Example
// Creating objects
var o1, o2, o3,
obj = multiInherit(o1={a:1}, o2={b:2}, o3={a:3, b:3});
// Checking property existences
'a' in obj; // true (inherited from o1)
'b' in obj; // true (inherited from o2)
'c' in obj; // false (not found)
// Setting ...
Returning JSON from PHP to JavaScript?
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Kent FredricKent Fredric
53k1414 gold badges101101 silver badges147147 bronze badges
...
How to change border color of textarea on :focus
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answered Apr 22 '13 at 21:03
adriftadrift
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How can I exclude all “permission denied” messages from “find”?
...as is done here (2> >(...)), appears to be silently ignored (in ksh 93u+).
grep -v 'Permission denied' filters out (-v) all lines (from the find command's stderr stream) that contain the phrase Permission denied and outputs the remaining lines to stderr (>&2).
This approach is:
r...
How to extract numbers from a string in Python?
...to extract only positive integers, try the following:
>>> str = "h3110 23 cat 444.4 rabbit 11 2 dog"
>>> [int(s) for s in str.split() if s.isdigit()]
[23, 11, 2]
I would argue that this is better than the regex example because you don't need another module and it's more readable b...
Remove an item from a dictionary when its key is unknown
...not do what you want:
>>> some_dict = {1: "Hello", 2: "Goodbye", 3: "You say yes", 4: "I say no"}
>>> value_to_remove = "You say yes"
>>> some_dict = {key: value for key, value in some_dict.items() if value is not value_to_remove}
>>> some_dict
{1: 'Hello', 2: 'G...
How do I automatically sort a has_many relationship in Rails?
... |
edited Apr 10 '09 at 23:44
answered Apr 10 '09 at 21:54
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How to find where a method is defined at runtime?
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edited Jul 16 '18 at 3:34
XtraSimplicity
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ans...
Detect if a NumPy array contains at least one non-numeric value?
...ing and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(numpy.isnan(x) for x in a.flatten())']
for m in ms:
print " %.2f s"...