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Valid values for android:fontFamily and what they map to?
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How do you test to see if a double is equal to NaN?
... ...
}
// 2. object's method
if (doubleObject.isNaN()) {
...
}
Simply doing:
if (var == Double.NaN) {
...
}
is not sufficient due to how the IEEE standard for NaN and floating point numbers is defined.
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Count, size, length…too many choices in Ruby?
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How to make a great R reproducible example
...ollowing in R:
install.packages("devtools")
library(devtools)
source_url("https://raw.github.com/rsaporta/pubR/gitbranch/reproduce.R")
reproduce(myData)
Details:
This function is an intelligent wrapper to dput and does the following:
automatically samples a large data set (based on size and...
How to change the docker image installation directory?
...ot parameter to your custom path, in /etc/docker/daemon.json
(according to https://docs.docker.com/engine/reference/commandline/dockerd/#daemon-configuration-file).
With older versions, you can change Docker's storage base directory (where container and images go) using the -goption when starting t...
Can't connect to local MySQL server through socket '/tmp/mysql.sock
When I attempted to connect to a local MySQL server during my test suite, it
fails with the error:
32 Answers
...
Convert command line arguments into an array in Bash
How do I convert command-line arguments into a bash script array?
7 Answers
7
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indexOf method in an object array?
...
I think you can solve it in one line using the map function:
pos = myArray.map(function(e) { return e.hello; }).indexOf('stevie');
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Numpy: Get random set of rows from 2D array
...
>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1...
Parsing a string into a boolean value in PHP
...://www.php.net/manual/en/filter.filters.validate.php#108218
// see https://bugs.php.net/bug.php?id=49510
$filtered = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
if(!is_null($filtered)) {
return $filtered;
} else {
// "n...