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How do detect Android Tablets in general. Useragent?
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15 Answers
15
Active
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Is it possible to Pivot data using LINQ?
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192
Something like this?
List<CustData> myList = GetCustData();
var query = myList
.Gr...
Matplotlib plots: removing axis, legends and white spaces
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11 Answers
11
Active
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serve current directory from command line
...o remember, so I just have this in my .bashrc:
function serve {
port="${1:-3000}"
ruby -run -e httpd . -p $port
}
It serves the current directory on port 3000 by default, but you can also specify the port:
~ $ cd tmp
~/tmp $ serve # ~/tmp served on port 3000
~/tmp $ cd ../www
~/www $ se...
Dynamically creating keys in a JavaScript associative array
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144
Use the first example. If the key doesn't exist it will be added.
var a = new Array();
a['na...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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31
Since 3.24.0 SQLite also supports upsert, so now you can simply write the following
INSERT INTO...
How to convert CharSequence to String?
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answered Oct 10 '11 at 0:38
Mike SamuelMike Samuel
106k2626 gold badges195195 silver badges228228 bronze badges
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Omit rows containing specific column of NA
...ses function and put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 ...
Why do results vary based on curly brace placement?
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169
That's one of the pitfalls of JavaScript: automatic semicolon insertion. Lines that do not end...