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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
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119
I'd just use zip:
In [1]: from pandas import *
In [2]: def calculate(x):
...: return ...
Iterating Through a Dictionary in Swift
...en would stay at 25.
let interestingNumbers = [
"Prime": [2, 3, 5, 7, 11, 13],
"Fibonacci": [1, 1, 2, 3, 5, 8],
"Square": [1, 4, 9, 16, 25]
]
var largest = 0
for (kind, numbers) in interestingNumbers {
println("kind: \(kind)")
for number in numbers {
if number > large...
Working with $scope.$emit and $scope.$on
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12 Answers
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Value of i for (i == -i && i != 0) to return true in Java
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126
The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negate...
How to avoid “RuntimeError: dictionary changed size during iteration” error?
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11 Answers
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How do I pause my shell script for a second before continuing?
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10 Answers
10
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how to check the jdk version used to compile a .class file [duplicate]
...t the major version from the results. Here are some example values:
Java 1.2 uses major version 46
Java 1.3 uses major version 47
Java 1.4 uses major version 48
Java 5 uses major version 49
Java 6 uses major version 50
Java 7 uses major version 51
Java 8 uses major version 52
Java 9 uses major ver...
The “unexpected ++” error in jslint [duplicate]
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Use i += 1 instead, if you want to follow jslint's advice.
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Python != operation vs “is not”
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310
== is an equality test. It checks whether the right hand side and the left hand side are equal ...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
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160
If the file is moved (in the same filesystem) or renamed, then the file handle remains open an...