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Benefits of using the conditional ?: (ternary) operator
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edited Jul 22 '10 at 19:57
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Is there a numpy builtin to reject outliers from a list
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10 Answers
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How do I replace NA values with zeros in an R dataframe?
...ent in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)
> d <- as.data.frame(m)
V1 V2 V3 V4 V5 V6 V7 V8 V9 V10
1 4 3 NA 3 7 6 6 10 6 5
2 9 8 9 5 10 NA 2 1 7 2
3 1 1 6 3 6 NA 1 4 1 6
4 NA 4 NA 7 10 2 NA 4 ...
How to determine if a decimal/double is an integer?
...g-point calculation proof answer:
Math.Abs(d % 1) <= (Double.Epsilon * 100)
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How to convert floats to human-readable fractions?
... mpen
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answered Sep 18 '08 at 19:28
EpsilonEpsilon
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Deleting DataFrame row in Pandas based on column value
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Correct way to convert size in bytes to KB, MB, GB in JavaScript
...return '0 Byte';
var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
}
Note : This is original code, Please use fixed version below. Aliceljm does not active her copied code anymore
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In Python how should I test if a variable is None, True or False
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answered Jan 7 '10 at 13:46
PaulMcGPaulMcG
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Generate a random number in the range 1 - 10
... way to tell pg's random() function to get me only numbers between 1 and 10?
7 Answers
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Using multiple let-as within a if-statement in Swift
...aining operation:
let dict = ["latitude": 2.0 as AnyObject?, "longitude": 10.0 as AnyObject?]
let latitude = dict["latitude"]
let longitude = dict["longitude"]
if let latitude = latitude as? Double, let longitude = longitude as? Double {
print(latitude, longitude)
}
// prints: 2.0 10.0
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