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Getting Java version at runtime
I need to work around a Java bug in JDK 1.5 which was fixed in 1.6. I'm using the following condition:
12 Answers
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How can I parse a string with a comma thousand separator to a number?
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16 Answers
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Convert floats to ints in Pandas?
...mns=['a'])
df.a = df.a.astype(float)
df
Out[33]:
a
0 0.0000000
1 1.0000000
2 2.0000000
3 3.0000000
4 4.0000000
pd.options.display.float_format = '{:,.0f}'.format
df
Out[35]:
a
0 0
1 1
2 2
3 3
4 4
shar...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
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210
You can't have 1:1 ratio.
However you can scale it from the iOS Simulator > Window > Scal...
Non greedy (reluctant) regex matching in sed?
...egex for this context is pretty easy to get:
perl -pe 's|(http://.*?/).*|\1|'
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RegEx to parse or validate Base64 data
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148
From the RFC 4648:
Base encoding of data is used in many situations to store or transfer d...
Does the ternary operator exist in R?
... returns the latest evaluation, if-else is equivalent to ?:.
> a <- 1
> x <- if(a==1) 1 else 2
> x
[1] 1
> x <- if(a==2) 1 else 2
> x
[1] 2
The power of R is vectorization. The vectorization of the ternary operator is ifelse:
> a <- c(1, 2, 1)
> x <- ifelse(a=...
How to convert a set to a list in python?
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197
It is already a list
type(my_set)
>>> <type 'list'>
Do you want something li...