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Newline in markdown table?
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edited Jan 13 '15 at 20:41
answered Aug 25 '12 at 5:03
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Difference between `mod` and `rem` in Haskell
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183
They're not the same when the second argument is negative:
2 `mod` (-3) == -1
2 `rem` (-3) ...
How do I build a numpy array from a generator?
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130
Numpy arrays require their length to be set explicitly at creation time, unlike python lists. ...
Counting the Number of keywords in a dictionary in python
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edited Feb 7 '10 at 5:11
answered Feb 6 '10 at 7:41
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R data formats: RData, Rda, Rds etc
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196
Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you ...
Why does parseInt yield NaN with Array#map?
...of the element.
In this case, you ended up calling parseInt with radix 0, 1 and 2 in turn. The first is the same as not supplying the parameter, so it defaulted based on the input (base 10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0...
How to delete multiple values from a vector?
I have a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5
8 Answers
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Small Haskell program compiled with GHC into huge binary
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215
Let's see what's going on, try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executa...
How to initialize an array's length in JavaScript?
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18 Answers
18
Active
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Determine the data types of a data frame's columns
...se ?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])
@...