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Best way to clear a PHP array's values
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How can I delete Docker's images?
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Sunny
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answered Mar 30 '15 at 22:15
user1378912user1378912
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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...
Android preferences onclick event
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230
Badr,
You need to set android:key for the item, Then in your code you can do...
Assuming you...
How to style the option of an html “select” element?
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edited Sep 30 '19 at 9:58
Jay
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Can I set a breakpoint on 'memory access' in GDB?
...ss watchpoint.
So you have to expand them yourself:
gdb$ print $ebx
$13 = 0x135700
gdb$ rwatch *0x135700+0xec1a04f
Hardware read watchpoint 3: *0x135700 + 0xec1a04f
gdb$ c
Hardware read watchpoint 3: *0x135700 + 0xec1a04f
Value = 0xec34daf
0x9527d6e7 in objc_msgSend ()
Edit: Oh, and by the w...
Determining 32 vs 64 bit in C++
...king for a way to reliably determine whether C++ code is being compiled in 32 vs 64 bit. We've come up with what we think is a reasonable solution using macros, but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are try...
PostgreSQL query to return results as a comma separated list
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edited Apr 30 at 7:02
Kaleem Ullah
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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"...
