大约有 43,000 项符合查询结果（耗时：0.0244秒） [XML]
Plot two histograms on single chart with matplotlib
... = [random.gauss(4,2) for _ in range(400)]
bins = numpy.linspace(-10, 10, 100)
pyplot.hist(x, bins, alpha=0.5, label='x')
pyplot.hist(y, bins, alpha=0.5, label='y')
pyplot.legend(loc='upper right')
pyplot.show()
share
...
WAMP shows error 'MSVCR100.dll' is missing when install
...
The MSVCR100.dll file is part of the Microsoft Visual C++, redistributables. You can install them and see if this solves your problem. After you install the above check if your wamp installation is correctly setup. Search for "my wamp...
Using success/error/finally/catch with Promises in AngularJS
...ed = $q.defer();
$http
.get('http://localhost/v1?=q' + query)
.success(function(data) {
// The promise is resolved once the HTTP call is successful.
deferred.resolve(data);
})
.error(...
Short description of the scoping rules?
...scope:
from __future__ import print_function # for python 2 support
x = 100
print("1. Global x:", x)
class Test(object):
y = x
print("2. Enclosed y:", y)
x = x + 1
print("3. Enclosed x:", x)
def method(self):
print("4. Enclosed self.x", self.x)
print("5. Globa...
How to write a caption under an image?
...t;
<figure>
<img src="http://lorempixel.com/100/100/nature/1/" width="100px" height="100px" />
<figcaption>First image</figcaption>
</figure>
</a>
<a href="#">
<figure>
<im...
How to make an introduction page with Doxygen
...
As of v1.8.8 there is also the option USE_MDFILE_AS_MAINPAGE. So make sure to add your index file, e.g. README.md, to INPUT and set it as this option's value:
INPUT += README.md
USE_MDFILE_AS_MAINPAGE = README.md
...
Elegant setup of Python logging in Django
...This is the basic conf, created by default with django-admin createproject v1.3 - mileage might change with latest django versions:
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'mail_admins': {
'level': 'ERROR',
'class': 'dja...
How to sort two lists (which reference each other) in the exact same way
...ine for small lists:
>>> %timeit zip(*sorted(zip(list1, list2)))
100000 loops, best of 3: 3.3 us per loop
>>> %timeit tups = zip(list1, list2); tups.sort(); zip(*tups)
100000 loops, best of 3: 2.84 us per loop
On the other hand, for larger lists, the one-line version could be fa...
How to count the number of true elements in a NumPy bool array
...
@norio Regarding numpy.count_nonzero not being in NumPy v1.5.1: you are right. According to this release announcement, it was added in NumPy v1.6.0.
– David Alber
Dec 3 '11 at 4:41
...
Find unique rows in numpy.array
..., or even better, than the lexsort method:
a = np.random.randint(2, size=(10000, 6))
%timeit np.unique(a.view(np.dtype((np.void, a.dtype.itemsize*a.shape[1])))).view(a.dtype).reshape(-1, a.shape[1])
100 loops, best of 3: 3.17 ms per loop
%timeit ind = np.lexsort(a.T); a[np.concatenate(([True],np....