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How do I check if an integer is even or odd? [closed]
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449
votes
Use the modulo (%) operator to check if there's a remainder when dividing b...
How can I tell how many objects I've stored in an S3 bucket?
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40
There is no way, unless you
list them all in batches of 1000 (which can be slow and suck ban...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
... Ron ERon E
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Format / Suppress Scientific Notation from Python Pandas Aggregation Results
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246
Granted, the answer I linked in the comments is not very helpful. You can specify your own stri...
Split Java String by New Line
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748
This should cover you:
String lines[] = string.split("\\r?\\n");
There's only really two new...
The tilde operator in Python
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204
It is a unary operator (taking a single argument) that is borrowed from C, where all data types ...
How to append rows to an R data frame
...e the data.frame is created as the last step.
# Use preallocated vectors
f4 <- function(n) {
x <- numeric(n)
y <- character(n)
for (i in 1:n) {
x[i] <- i
y[i] <- i
}
data.frame(x, y, stringsAsFactors=FALSE)
}
microbenchmark from the "microbenchmark" package will g...
Converting file size in bytes to human-readable string
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48
It depends on whether you want to use the binary or decimal convention.
RAM, for instance, is ...
How can I clear previous output in Terminal in Mac OS X?
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14 Answers
14
Active
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Good examples using java.util.logging [closed]
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344
java.util.logging keeps you from having to tote one more jar file around with your application,...