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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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Test PHP headers with PHPUnit
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The issue is that PHPUnit will print a header to the screen and at that point you can't add mo...
Can you delete multiple branches in one command with Git?
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You can use git branch --list to list the eligible branches, and use git branch -D/-d to remov...
Could not load file or assembly 'System.Data.SQLite'
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System.Data.SQLite.dll is a mixed assembly, i.e. it contains both managed code and native code...
Converting a string to int in Groovy
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Several ways to do it, this one's my favorite:
def number = '123' as int
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fatal error: Python.h: No such file or directory
...based), it was apt-get install python-dev.
– CoderGuy123
Aug 31 '17 at 15:59
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How can I search sub-folders using glob.glob module?
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@User123: that doesn't list directories recursively. You are listing all text files one level deep, but not in further subdirectories or even directly in path to directory.
– Martijn Pieters♦
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How to convert a currency string to a double with jQuery or Javascript?
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This example run ok
var currency = "$1,123,456.00";
var number = Number(currency.replace(/[^0-9\.]+/g,""));
console.log(number);
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Validating parameters to a Bash script
... as a commentar). i did "$#" to fix it. second, the regex also matches "foo123bar". i fixed it by doing ^[0-9]+$. you may also fix it by using grep's -x option
– Johannes Schaub - litb
Mar 31 '09 at 1:21
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How to use sidebar with the keyboard in Sublime Text 2 and 3?
...ut for removing the projects from the sidebar?
– depz123
Jun 19 '13 at 18:46
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Can I invoke conte...