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How to do a scatter plot with empty circles in Python?
In Python, with Matplotlib, how can a scatter plot with empty circles be plotted? The goal is to draw empty circles around some of the colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles.
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Logic to test that 3 of 4 are True
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If this had been Python, I would have written
if [a, b, c, d].count(True) == 3:
Or
if [a, b, c, d].count(False) == 1:
Or
if [a, b, c, d].count(False) == True:
# In Python True == 1 and False == 0
Or
print [a, b, c, d].count(0) == 1
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How do I show the number keyboard on an EditText in android?
...ew EditText(this);
input.setInputType(InputType.TYPE_CLASS_NUMBER);
Using XML
<EditText
...
android:inputType="number" />
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foll...
What browsers support HTML5 WebSocket API?
...n PHP:
Ratchet
phpwebsocket.
Extendible Web Socket Server
phpdaemon
In Python:
pywebsockets
websockify
gevent-websocket, gevent-socketio and flask-sockets based on the former
Autobahn
Tornado
In C:
libwebsockets
In Node.js:
Socket.io : Socket.io also has serverside ports for Python, Ja...
Convert Rows to columns using 'Pivot' in SQL Server
... group by Week
order by Week
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = 'SELECT store,' + @cols + ' from
(
select store, week, xCount
from yt
) x
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Why are empty strings returned in split() results?
... I was shocked to discover that curly quotes are actually valid in Python...but, but...how? The docs don't seem to mention this.
– Tim Pietzcker
Oct 8 '12 at 11:18
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How to check if a file exists in Go?
...not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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AngularJS performs an OPTIONS HTTP request for a cross-origin resource
...ded, multipart/form-data, or text/plain, e.g. if the POST request sends an XML payload to the server using application/xml or text/xml, then the request is preflighted.
It sets custom headers in the request (e.g. the request uses a header such as X-PINGOTHER)
When the original request is Get with n...
How to get all subsets of a set? (powerset)
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The Python itertools page has exactly a powerset recipe for this:
from itertools import chain, combinations
def powerset(iterable):
"powerset([1,2,3]) --> () (1,) (2,) (3,) (1,2) (1,3) (2,3) (1,2,3)"
s = list(iterabl...
What's the best way to parse a JSON response from the requests library?
I'm using the python requests module to send a RESTful GET to a server, for which I get a response in JSON. The JSON response is basically just a list of lists.
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