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How do I parallelize a simple Python loop?
...order given: [0, 4, 16, 36, 64, 100, 144, 196, 256, 324]
Multithreading
Now change ProcessPoolExecutor to ThreadPoolExecutor, and run the module again:
$ python3 -m futuretest
original inputs: [0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0]
total time to execute 19 = sum([0, 2, 3, 5, 2, 0, 0,...
Header files for x86 SIMD intrinsics
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| mm3dnow.h | 3dnow! (K6-2) (deprecated) |
| xmmintrin.h | SSE + MMX (Pentium 3, Athlon XP) |
| emmintrin...
How do you find out the type of an object (in Swift)?
...es, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still, I'd really like to have something like Python's type()
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
... Ah, why selecting a single row returns a Series, I don't really know.
– joris
Dec 4 '13 at 19:24
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Inheritance and Overriding __init__ in python
...le dated with respect to subclassing built-in classes.
It looks like this nowadays:
class FileInfo(dict):
"""store file metadata"""
def __init__(self, filename=None):
super(FileInfo, self).__init__()
self["name"] = filename
Note the following:
We can directly subclass b...
How to import other Python files?
...tartuphook:
Update: This example used to work for both python2 and 3, but now only works for python2. python3 got rid of this user startuphook feature set because it was abused by low-skill python library writers, using it to impolitely inject their code into the global namespace, before all user-...
Python threading.timer - repeat function every 'n' seconds
....5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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MySQL DROP all tables, ignoring foreign keys
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Yeah I know, but I wanted to use it in a script. What I ended up actually doing is DROP DATABASE foo; CREATE DATABASE foo;, which isn't quite the same but worked for me.
– Timmmm
Nov 15 '12 at 9...
How to pretty print nested dictionaries?
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U know @Ken's conventional answer is much better than this. Json already handles everything and this can give errors such: UnicodeEncodeError: 'ascii' codec can't encode character u'\xf3' in position 50: ordinal not in range(128...
iReport not starting using JRE 8
...0_67"
Note : jre version may change! according to your download of 1.7
now if you run the ireport_w.exe from the bin folder in the iReport directory it should load just fine.
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