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Can I bind an array to an IN() condition?
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21 Answers
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Looping through a hash, or using an array in PowerShell
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108
Christian's answer works well and shows how you can loop through each hash table item using th...
How to split data into training/testing sets using sample function
...row(mtcars))
## set the seed to make your partition reproducible
set.seed(123)
train_ind <- sample(seq_len(nrow(mtcars)), size = smp_size)
train <- mtcars[train_ind, ]
test <- mtcars[-train_ind, ]
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Batch file to delete files older than N days
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1085
Enjoy:
forfiles -p "C:\what\ever" -s -m *.* -d <number of days> -c "cmd /c del @path"
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Sorting a Python list by two fields
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162
like this:
import operator
list1 = sorted(csv1, key=operator.itemgetter(1, 2))
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Get most recent file in a directory on Linux
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sed beginner: changing all occurrences in a folder
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149
There is no way to do it using only sed. You'll need to use at least the find utility together...
maximum value of int
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edited Jan 17 '12 at 9:26
Oliver Hanappi
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