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Create an empty list in python with certain size
...0.30216475640534635], [0.3996890132468158, 0.6374322093017013], [0.3374204010027543, 0.4514925173253973]]
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Sorting object property by values
...Speed = {
car: 300,
bike: 60,
motorbike: 200,
airplane: 1000,
helicopter: 400,
rocket: 8 * 60 * 60
};
var sortable = [];
for (var vehicle in maxSpeed) {
sortable.push([vehicle, maxSpeed[vehicle]]);
}
sortable.sort(function(a, b) {
return a[1] - b[1];
});
//[["bi...
How to format a number as percentage in R?
...a pair of parentheses.
library(scales)
x <- c(-1, 0, 0.1, 0.555555, 1, 100)
label_percent()(x)
## [1] "-100%" "0%" "10%" "56%" "100%" "10 000%"
Customize this by adding arguments inside the first set of parentheses.
label_percent(big.mark = ",", suffix = " percent")(x)
## [1...
How to draw a line in android
...(Canvas canvas) {
super.onDraw(canvas);
startX = 20;
startY = 100;
stopX = 140;
stopY = 30;
canvas.drawLine(startX, startY, stopX, stopY, paint);
}
Drawing a Line with View
If you only need a straight horizontal or vertical line, then the easiest way may be to just use a...
What is the best method to merge two PHP objects?
..., 'b' => 'asd'); $arr2 = array('a' => 10, 'd' => 'qwert', 0 => 100, 1 => 200, 4 => 400); $arr3 = array_merge($arr1, $arr2); echo(print_r($arr3, 1)); Actual Output : Array ( [a] => 10 [b] => asd [d] => qwert [0] => 100 [1] => 200 [2] => 400 ) Desired Output : Arr...
jQuery AJAX file upload PHP
..._FILES['file']['name']);
$extension = end($test);
$name = rand(100,999).'.'.$extension;
$location = 'uploads/'.$name;
move_uploaded_file($_FILES['file']['tmp_name'], $location);
echo '<img src="'.$location.'" height="100" width="100" />';
}
...
HTML5: Slider with two inputs possible?
...></script>
Example usage: Creates a slider which goes from 0 to 100, and starts set to 20-80.
HTML:
<div id="slider">
</div>
JS:
var slider = document.getElementById('slider');
noUiSlider.create(slider, {
start: [20, 80],
connect: true,
range: {
'min'...
Making custom right-click context menus for my web-app
...
+100
I know this question is very old, but just came up with the same problem and solved it myself, so I'm answering in case anyone finds...
Calculate the median of a billion numbers
...f the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data.
Since network I/O is likely to be the bound, there might be some tricks you can play, at least for the data coming back to the control machine. For example, instead of ...
How do I view 'git diff' output with my preferred diff tool/ viewer?
...t worktree to something other than HEAD (e.g. a tag)
git difftool --commit=v1.0.0 [-- <filename>*]
Note: since Git 2.5, git config diff.tool winmerge is enough!
See "git mergetool winmerge"
And since Git 1.7.11, you have the option --dir-diff, in order to to spawn external diff tools that ca...