大约有 46,000 项符合查询结果（耗时：0.0517秒） [XML]
RuntimeWarning: invalid value encountered in divide
...is trying to "divide by zero" or "divide by NaN". If you are aware of that and don't want it to bother you, then you can try:
import numpy as np
np.seterr(divide='ignore', invalid='ignore')
For more details see:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.seterr.html
...
AngularJS : What is a factory?
I've been doing a lot of work on Angular.js and overall I find it to be an interesting and powerful framework.
4 Answers
...
What is difference between cacerts and keystore?
What's the difference between the two, cacerts and keystore?
4 Answers
4
...
How can I tell gcc not to inline a function?
...
The asm("") construct is actually fairly cross-platform and got the job done. I did it for x86 Linux and it did not cause a build problem on PowerPC AIX. Thanks for this useful suggestion!
– Marty
Nov 6 '14 at 23:58
...
How do I configure emacs for editing HTML files that contain Javascript?
...ainful first steps of using emacs to edit an HTML file with both HTML tags and javascript content. I have installed nxhtml and tried using it - i.e set up to use nxhtml-mumamo-mode for .html files. But I am not loving it. When I am editing the Javascript portion of the code the tab indents do n...
How I can I lazily read multiple JSON values from a file/stream in Python?
...
Here's a much, much simpler solution. The secret is to try, fail, and use the information in the exception to parse correctly. The only limitation is the file must be seekable.
def stream_read_json(fn):
import json
start_pos = 0
with open(fn, 'r') as f:
while True:
...
Run two async tasks in parallel and collect results in .NET 4.5
...
You should use Task.Delay instead of Sleep for async programming and then use Task.WhenAll to combine the task results. The tasks would run in parallel.
public class Program
{
static void Main(string[] args)
{
Go();
}
public static void Go()...
Flatten an irregular list of lists
...
Using generator functions can make your example a little easier to read and probably boost the performance.
Python 2
def flatten(l):
for el in l:
if isinstance(el, collections.Iterable) and not isinstance(el, basestring):
for sub in flatten(el):
yield sub...
Numpy: Divide each row by a vector element
...ewaxes is a great way to do this.
Another alternative is to use transposes and broadcasting, as in
(data.T - vector).T
and
(data.T / vector).T
For higher dimensional arrays you may want to use the swapaxes method of NumPy arrays or the NumPy rollaxis function.
There really are a lot of ways to...
Position Absolute + Scrolling
With the following HTML and CSS
4 Answers
4
...