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Cartesian product of multiple arrays in JavaScript
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109
2020 Update: 1-line (!) answer with vanilla JS
Original 2017 Answer: 2-line answer with vanill...
JavaScript seconds to time string with format hh:mm:ss
...String.prototype.toHHMMSS = function () {
var sec_num = parseInt(this, 10); // don't forget the second param
var hours = Math.floor(sec_num / 3600);
var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
var seconds = sec_num - (hours * 3600) - (minutes * 60);
if (hours ...
What is a NullReferenceException, and how do I fix it?
...ared first -->
<ComboBox Name="comboBox1"
Margin="10"
SelectedIndex="0"
SelectionChanged="comboBox1_SelectionChanged">
<ComboBoxItem Content="Item 1" />
<ComboBoxItem Content="Item 2" />
<ComboBoxItem Conten...
window.location.href and window.open () methods in JavaScript
....location.href is a property, not a method, but Internet Explorer (version 10 at least) allows you to treat href as a method too. I've seen it work, only in IE10, on one page I've used. That's probably why the asker was calling href a method. See the question IE incompatability with window.location....
Python Regex - How to Get Positions and Values of Matches
...le( ... )
>>> iterator = p.finditer('12 drummers drumming, 11 ... 10 ...')
>>> iterator
<callable-iterator object at 0x401833ac>
>>> for match in iterator:
... print match.span()
...
(0, 2)
(22, 24)
(29, 31)
you should be able to do something on the order of
f...
node.js fs.readdir recursive directory search
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edited Oct 10 '19 at 16:56
wyattis
1,03677 silver badges1818 bronze badges
answered Apr 2...
Decode Base64 data in Java
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Nightfirecat
10.5k66 gold badges3131 silver badges5050 bronze badges
answered Jan 13 '10 at 3:42
Jeremy RossJeremy...
Best way to show a loading/progress indicator?
...og.html
– Ivan Semkin
May 20 '17 at 10:53
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show 6 more co...
How to define a preprocessor symbol in Xcode
... available).
– Clay Bridges
Sep 13 '10 at 21:58
11
This is no longer a Gear icon on the lower lef...
MongoDB drop every database
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105
Try this command:
mongo --quiet --eval 'db.getMongo().getDBNames().forEach(function(i){db.get...