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What is the difference between Numpy's array() and asarray() functions?
...ume a is an ndarray, and m is a matrix, and they both have a dtype of float32:
np.array(a) and np.array(m) will copy both, because that's the default behavior.
np.array(a, copy=False) and np.array(m, copy=False) will copy m but not a, because m is not an ndarray.
np.array(a, copy=False, subok=True...
Common xlabel/ylabel for matplotlib subplots
...cific case:
import matplotlib.pyplot as plt
fig, ax = plt.subplots(nrows=3, ncols=3, sharex=True, sharey=True, figsize=(6, 6))
fig.text(0.5, 0.04, 'common X', ha='center')
fig.text(0.04, 0.5, 'common Y', va='center', rotation='vertical')
...
Comparing two byte arrays in .NET
...l method.
using System;
using System.Linq;
...
var a1 = new int[] { 1, 2, 3};
var a2 = new int[] { 1, 2, 3};
var a3 = new int[] { 1, 2, 4};
var x = a1.SequenceEqual(a2); // true
var y = a1.SequenceEqual(a3); // false
If you can't use .NET 3.5 for some reason, your method is OK.
Compiler\run-time ...
Using module 'subprocess' with timeout
...
In Python 3.3+:
from subprocess import STDOUT, check_output
output = check_output(cmd, stderr=STDOUT, timeout=seconds)
output is a byte string that contains command's merged stdout, stderr data.
check_output raises CalledProcessE...
Display a float with two decimal places in Python
...uld use the string formatting operator for that:
>>> '%.2f' % 1.234
'1.23'
>>> '%.2f' % 5.0
'5.00'
The result of the operator is a string, so you can store it in a variable, print etc.
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What are “named tuples” in Python?
Reading the changes in Python 3.1 , I found something... unexpected:
11 Answers
11
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case-insensitive list sorting, without lowercasing the result?
...
In Python 3.3+ there is the str.casefold method that's specifically designed for caseless matching:
sorted_list = sorted(unsorted_list, key=str.casefold)
In Python 2 use lower():
sorted_list = sorted(unsorted_list, key=lambda s: s....
Convert dd-mm-yyyy string to date
...
329
Split on "-"
Parse the string into the parts you need:
var from = $("#datepicker").val().spl...
How does Django's Meta class work?
...:55
Moon
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answered Apr 27 '12 at 3:04
TadeckTadeck
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Change project name on Android Studio
...
31 Answers
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