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Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
I've been hearing a lot about the PyPy project. They claim it is 6.3 times faster than the CPython interpreter on their site .
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Git mergetool with Meld on Windows
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edited Jan 26 '16 at 3:57
Lyndon White
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Parallel foreach with asynchronous lambda
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answered Feb 28 '13 at 13:30
Stephen ClearyStephen Cleary
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std::string formatting like sprintf
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349
You can't do it directly, because you don't have write access to the underlying buffer (until ...
Can you write virtual functions / methods in Java?
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309
From wikipedia
In Java, all non-static methods are by
default "virtual functions." Only
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What are some uses of template template parameters?
...ates on this wrt C++0x?
– amit
Jan 13 '11 at 5:19
Well, you don't have to provide allocator. What's important is that ...
How to install PyQt4 on Windows using pip?
I'm using Python 3.4 on Windows. When I run a script, it complains
13 Answers
13
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Determine the data types of a data frame's columns
...o use ?str(). To explore some examples, let's make some data:
set.seed(3221) # this makes the example exactly reproducible
my.data <- data.frame(y=rnorm(5),
x1=c(1:5),
x2=c(TRUE, TRUE, FALSE, FALSE, FALSE),
X3=letters[1:5])
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What does |= (ior) do in Python?
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|= performs an in-place+ operation between pairs of objects. In particular, between:
sets: a u...