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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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Convert character to ASCII code in JavaScript
...18": "v", "119": "w", "120": "x",
"121": "y", "122": "z", "123": "{", "124": "|", "125": "}",
"126": "~", "127": ""
}
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Can you delete multiple branches in one command with Git?
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123
You can use git branch --list to list the eligible branches, and use git branch -D/-d to remov...
Android- create JSON Array and JSON Object
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Swapnil KotwalSwapnil Kotwal
4,81233 gold badges4242 silver badges7070 bronze badges
add a co...
Access event to call preventdefault from custom function originating from onclick attribute of tag
... ok, I see all I had to do is to put my parameter second myfunc(event, {a:123, b:"asdas"})
– Omu
Dec 23 '11 at 10:01
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Convert Pandas column containing NaNs to dtype `int`
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@jsc123 you can use the object dtype. This comes with a small health warning but for the most part works well.
– Andy Hayden
May 19 '15 at 15:16
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What are the differences between virtual memory and physical memory?
...l memory address. Imagine software had spat out an address of 45 with data 123, and OS had stored it in location 2012 and created an entry in the map, mapping 45 to 2012. If the software is now moved in memory, what used to be at location 2012 will no longer be at 2012, but in a new location, and OS...
Format timedelta to string
... 2.7 and greater use .total_seconds() method
– sk8asd123
Apr 22 '14 at 21:46
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Don't use .second...
How do I make background-size work in IE?
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@Gaurav123 try -webkit-background-size: cover; -moz-background-size: cover; -o-background-size: cover; background-size: cover;
– honk31
Feb 7 '14 at 13:16
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