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How to center canvas in html5
...anvas center according to the size of the browser window. The canvas is 800m>x m>600.
And if the window gets below 800m>x m>600, it should resize as well(but that's not very important at the moment)
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Python: most idiomatic way to convert None to empty string?
...lt-in, but return an empty string when the argument is None, do this:
def m>x m>str(s):
if s is None:
return ''
return str(s)
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How can a Javascript object refer to values in itself? [duplicate]
... it works only if you have a flat obj, like the one in your em>x m>ample. It will not work if you have nested keys.
– Green
Sep 29 '15 at 3:26
1
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How to output numbers with leading zeros in JavaScript [duplicate]
I can round to m>x m> amount of decimal places with math.round but is there a way to round left of the decimal? for em>x m>ample 5 becomes 05 if I specify 2 places
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Numpy: Get random set of rows from 2D array
... 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1]])
>>> idm>x m> = np.random.randint(10, size=2)
>>> idm>x m>
array([7, 6])
>>> A[idm>x m>,:]
array([[0, 4, 1],
[1, 3, 1]])
Putting it together for a general case:
A[np.random.randint(A.shape[0], size=2), :]
For non repl...
Should I use past or present tense in git commit messages? [closed]
...it messages should be in the imperative present tense, e.g. "Add tests for m>x m>". I always find myself using the past tense, e.g. "Added tests for m>x m>" though, which feels a lot more natural to me.
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Two way/reverse map [duplicate]
...pe by subclassing dict and adding the logic that you want. Here's a basic em>x m>ample:
class TwoWayDict(dict):
def __setitem__(self, key, value):
# Remove any previous connections with these values
if key in self:
del self[key]
if value in self:
del s...
how to get request path with em>x m>press req object
I'm using em>x m>press + node.js and I have a req object, the request in the browser is /account but when I log req.path I get '/' --- not '/account'.
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Cost of len() function
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It's O(1) (constant time, not depending of actual length of the element - very fast) on every type you've mentioned, plus set and others such as array.array.
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Efficient SQL test query or validation query that will work across all (or most) databases
...aries provide the ability to test their SQL connections for idleness. For em>x m>ample, the JDBC pooling library c3p0 has a property called preferredTestQuery , which gets em>x m>ecuted on the connection at configured intervals. Similarly, Apache Commons DBCP has validationQuery .
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