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Returning the product of a list
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Without using lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compa...
Int division: Why is the result of 1/3 == 0?
I was writing this code:
16 Answers
16
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Catching error codes in a shell pipe
...however, an old version of the MKS shell mishandled the error redirection without the preceding '1' so I've used that unambiguous notation for reliability for ages.
This leaks files if you interrupt something. Bomb-proof (more or less) shell programming uses:
tmp=${TMPDIR:-/tmp}/mine.$$
trap 'rm ...
iOS app error - Can't add self as subview
I received this crash report, but I don't know how to debug it.
19 Answers
19
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Put buttons at bottom of screen with LinearLayout?
I have the following code, how do I make it so that the 3 buttons are at the bottom?
9 Answers
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How to convert JSON data into a Python object
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UPDATE
With Python3, you can do it in one line, using SimpleNamespace and object_hook:
import json
from types import SimpleNamespace
data = '{"name": "John Smith", "hometown": {"name": "New York", "id": 123}}'
# Parse JSON into an ...
Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
I just installed posgresql with homebrew and when I go on to type the command
22 Answers
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img src SVG changing the styles with CSS
...isely answer the original question, just:
Open your logo.svg in a text editor.
look for fill: #fff and replace it with fill: #000
For example, your logo.svg might look like this when opened in a text editor:
<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w...
How to dynamically compose an OR query filter in Django?
... Take one Q object from the list
query = queries.pop()
# Or the Q object with the ones remaining in the list
for item in queries:
query |= item
# Query the model
Article.objects.filter(query)
share
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Giving a border to an HTML table row,
Is it possible to border a table row, <tr> in one go instead of giving a border to individual cells, <td> like,
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