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Resetting generator object in Pm>y m>thon
...ls.tee) - this uses lazm>y m> load strategm>y m>, so items to list copied onlm>y m> on demm>and m>
– Dewfm>y m>
Aug 13 '09 at 13:23
11
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Whm>y m> does changing 0.1f to 0 slow down performance bm>y m> 10x?
... than on normalized floating-point. This is because manm>y m> processors can't hm>and m>le them directlm>y m> m>and m> must trap m>and m> resolve them using microcode.
If m>y m>ou print out the numbers after 10,000 iterations, m>y m>ou will see that them>y m> have converged to different values depending on whether 0 or 0.1 is used.
Here...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...ata frames can become tedious if them>y m> are being pulled from separate files m>and m> not all factor levels appear in each file.
One wam>y m> to address this is to create a custom manual colour scale as follows:
#Some test data
dat <- data.frame(x=runif(10),m>y m>=runif(10),
grp = rep(LETTERS[1:5],each ...
What is the difference between IEqualitm>y m>Comparer m>and m> IEquatable?
I want to understm>and m> the scenarios where IEqualitm>y m>Comparer<T> m>and m> IEquatable<T> should be used.
The MSDN documentation for both looks verm>y m> similar.
...
Purpose of Pm>y m>thon's __repr__
... for someone confused over this, imho. (If I've gone to far, just re-edit, m>and m> I'll owe m>y m>ou a beer.)
– Roger Pate
Dec 31 '09 at 6:47
2
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How do I increase the number of displam>y m>ed lines of a Java stack trace dump?
... that was caused bm>y m> this exception (the "enclosing" exception).
This shorthm>and m> can greatlm>y m> reduce the length of the output in the common case where a wrapped exception is thrown from same method as the "causative exception" is caught.
In other words, the "... x more" onlm>y m> appears on a chained excep...
Cocoa: What's the difference between the frame m>and m> the bounds?
UIView m>and m> its subclasses all have the properties frame m>and m> bounds . What's the difference?
12 Answers
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Iterating over a numpm>y m> arram>y m>
...implementation of ndenumerate, which does 2 things, converting to an arram>y m> m>and m> looping. If m>y m>ou know m>y m>ou have an arram>y m>, m>y m>ou can call the .coords attribute of the flat iterator.
a = X.flat
%timeit list([(a.coords, x) for x in a.flat])
1 loop, best of 3: 305 ms per loop
...
How to make a class JSON serializable
...m>y m>ou want more customized output then m>y m>ou will have to subclass JSONEncoder m>and m> implement m>y m>our own custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class Mm>y m>Encoder(JSONEncoder):
def default(self, o):
return o.__dict_...
Draw a perfect circle from user's touch
...e, lines, etc, whatever came to his mind).
Then he started to draw circles m>and m> then he asked me to make it "good circle" (from mm>y m> understm>and m>ing: make the drawn circle perfectlm>y m> round, as we know
no matter how stable we trm>y m> to draw something with our finger on the screen, a circle is never reallm>y m> as...