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C# short/long/int literal format?
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315
var d = 1.0d; // double
var d0 = 1.0; // double
var d1 = 1e+3; // double
var d2 = 1e-3; /...
Difference between two dates in Python
...nd take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
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How to apply a function to two columns of Pandas dataframe
Suppose I have a df which has columns of 'ID', 'col_1', 'col_2' . And I define a function :
12 Answers
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How to sort a list in Scala by two fields?
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217
rows.sortBy(r => (r.lastName, r.firstName))
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GoTo Next Iteration in For Loop in java
...i++){
if(i==2){
continue;
}
System.out.print(i);
}
This will print
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interr...
What is :: (double colon) in Python when subscripting sequences?
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10 Answers
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How to git clone a specific tag
From git-clone(1) Manual Page
5 Answers
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promise already under evaluation: recursive default argument reference or earlier problems?
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164
Formal arguments of the form x=x cause this. Eliminating the two instances where they occur w...