大约有 40,000 项符合查询结果(耗时:0.0673秒) [XML]
Peak detection in a 2D array
...ow you do it:
import numpy as np
from scipy.ndimage.filters import maximum_filter
from scipy.ndimage.morphology import generate_binary_structure, binary_erosion
import matplotlib.pyplot as pp
#for some reason I had to reshape. Numpy ignored the shape header.
paws_data = np.loadtxt("paws.txt").resh...
Django - How to rename a model field using South?
...
You can use the db.rename_column function.
class Migration:
def forwards(self, orm):
# Rename 'name' field to 'full_name'
db.rename_column('app_foo', 'name', 'full_name')
def backwards(self, orm):
# Rename 'full_...
How to get first and last day of previous month (with timestamp) in SQL Server
...tional date standard, follow this link:
https://en.wikipedia.org/wiki/ISO_8601
For further reading on the ODBC international date standard, follow this link:
https://technet.microsoft.com/en-us/library/ms190234(v=sql.90).aspx
To view the list of date formats I worked from, follow this link:
...
Visual Studio 64 bit?
...urcation point for it will be some CPU manufacturer X starts to compete x86_64 architecture taking its place on mainstream market for laptop and/or workstation,
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What are queues in jQuery?
...ction() {
// lets do something with google maps:
var $map = $("#map_canvas");
var myLatlng = new google.maps.LatLng(-34.397, 150.644);
var myOptions = {zoom: 8, center: myLatlng, mapTypeId: google.maps.MapTypeId.ROADMAP};
var geocoder = new google.maps.Geocoder();
var map = n...
What is “entropy and information gain”?
.... P(m)=9/14 and P(f)=5/14. According to the definition of entropy:
Entropy_before = - (5/14)*log2(5/14) - (9/14)*log2(9/14) = 0.9403
Next we compare it with the entropy computed after considering the split by looking at two child branches. In the left branch of ends-vowel=1, we have:
Entropy_lef...
ASP.NET MVC HandleError
..., logMessage, filterContext);
logDirectory = (logDirectory + "\\Log_" + LogFileName(DateTime.Now) + ".txt");
StreamWriter streamWriter = null;
try
{
streamWriter = new StreamWriter(logDirectory, true);
streamWriter.WriteLine(logLine);
...
Why should the “PIMPL” idiom be used? [duplicate]
...
Isn't this line illegal since all members are private: cat_->Purr(); Purr() is not accessible from the outside because by deafult it's private. What am I missing here?
– binaryguy
Aug 14 '15 at 9:20
...
Path of assets in CSS files in Symfony 2
... 14 combinations on the same twig, and this route was launched from
"/app_dev.php/"
"/app.php/"
and "/"
thus giving 14 x 3 = 42 tests.
Additionally, all this has been tested working in a subdirectory, so there is no way to fool by giving absolute URLs because they would simply not work.
The te...
What does cherry-picking a commit with Git mean?
... from a maintenance
branch to a development branch.
$ git checkout rel_2.3
$ git cherry-pick dev~2 # commit F, above
before:
after:
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