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initialize a numpy array
...by creating a regular list, then append my stuff into it, and finally transform the list to a numpy array as follows :
import numpy as np
big_array = [] # empty regular list
for i in range(5):
arr = i*np.ones((2,4)) # for instance
big_array.append(arr)
big_np_array = np.array(big_array) #...
Who is listening on a given TCP port on Mac OS X?
...cess (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
17 Answers
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How can I declare and define multiple variables in one line using C++?
...ly I prefer the following which has been pointed out.
It's a more readable form in my view.
int column = 0, row = 0, index = 0;
or
int column = 0;
int row = 0;
int index = 0;
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urlencode vs rawurlencode?
...he one exception is legacy systems which expect the query string to follow form-encoding style of spaces encoded as + instead of %20 (in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.p...
How can I list all tags in my Git repository by the date they were created?
...ith annotated and lightweight tags:
git for-each-ref --sort=creatordate --format '%(refname) %(creatordate)' refs/tags
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Show percent % instead of counts in charts of categorical variables
...t count vs percentage histogram' so hopefully this helps distill all the information currently housed in comments on the accepted answer.
Remark: If hp is not set as a factor, ggplot returns:
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How to use getJSON, sending data with post method?
...ld be anything you want, although if are sending the contents of a an html form, you can use the serialize method to create the data for the POST from your form.
var dataToBeSent = $("form").serialize();
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Load image from resources area of project in C#
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Are you using Windows Forms? If you've added the image using the Properties/Resources UI, you get access to the image from generated code, so you can simply do this:
var bmp = new Bitmap(WindowsFormsApplication1.Properties.Resources.myimage);
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Can't escape the backslash with regex?
...kslash.
Depending on the language, you might be able to use a different form of quoting that doesn't parse escape sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
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Proxies with Python 'Requests' module
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@cigar I knew because urllib2 uses the exact same format for their proxies dict, and when I saw docs.python-requests.org/en/latest/api/#module-requests say "proxies – (optional) Dictionary mapping protocol to the URL of the proxy.", I knew right away.
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