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Python Dictionary Comprehension
...can specify a dummy value if you like.
>>> d = {n: n**2 for n in range(5)}
>>> print d
{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
If you want to set them all to True:
>>> d = {n: True for n in range(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you...
AngularJS For Loop with Numbers & Ranges
...Filter defined as:
var myApp = angular.module('myApp', []);
myApp.filter('range', function() {
return function(input, total) {
total = parseInt(total);
for (var i=0; i<total; i++) {
input.push(i);
}
return input;
};
});
With the repeat used like this:
<div ng-re...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
...
How to force file download with PHP
....'"');
header("Content-Transfer-Encoding: binary");
header('Accept-Ranges: bytes');
if(isset($_SERVER['HTTP_RANGE']))
{
list($a, $range) = explode("=",$_SERVER['HTTP_RANGE'],2);
list($range) = explode(",",$range,2);
list($range, $range_end) = explode("-", $ra...
onchange event on input type=range is not triggering in firefox while dragging
When I played with <input type="range"> , Firefox triggers an onchange event only if we drop the slider to a new position where Chrome and others triggers onchange events while the slider is dragged.
...
Loop backwards using indices in Python?
...
Try range(100,-1,-1), the 3rd argument being the increment to use (documented here).
("range" options, start, stop, step are documented here)
share
...
How to loop backwards in python? [duplicate]
...
range() and xrange() take a third parameter that specifies a step. So you can do the following.
range(10, 0, -1)
Which gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead....
What is the difference between .text, .value, and .value2?
... Format to control how the number gets converted to a string: var = Format(Range("a1").Value2, "#")
– Charles Williams
Jan 22 '15 at 13:16
2
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Executing multi-line statements in the one-line command-line?
...
you could do
echo -e "import sys\nfor r in range(10): print 'rob'" | python
or w/out pipes:
python -c "exec(\"import sys\nfor r in range(10): print 'rob'\")"
or
(echo "import sys" ; echo "for r in range(10): print 'rob'") | python
or @SilentGhost's answer / @...
How to use a decimal range() step value?
...f you really want to use a floating-point step value, you can, with numpy.arange.
>>> import numpy as np
>>> np.arange(0.0, 1.0, 0.1)
array([ 0. , 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9])
Floating-point rounding error will cause problems, though. Here's a simple ca...