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How to find index of list item in Swift?
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As swift is in some regards more functional than object-oriented (and Arrays are structs, not objects), use the function "find" to operate on the array, which returns an optional value, so be prepared to handle a nil value:
let arr:Array = ["a","b","c"]
fin...
How to test which port MySQL is running on and whether it can be connected to?
... 0.0.0.0:* LISTEN 1859/master
tcp 0 0 123.189.192.64:7654 0.0.0.0:* LISTEN 2463/monit
tcp 0 0 127.0.0.1:24135 0.0.0.0:* LISTEN 21450/memcached
tcp 0 0 127.0.0.1:3306 0.0.0.0:* ...
JavaScript variable assignments from tuples
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123
Javascript 1.7 added destructured assignment which allows you to do essentially what you are a...
Why can't static methods be abstract in Java?
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Because "abstract" means: "Implements no functionality", and "static" means: "There is functionality even if you don't have an object instance". And that's a logical contradiction.
share
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sys.argv[1] meaning in script
...they're represented. It also prints the number of arguments, using the len function on the list.
from __future__ import print_function
import sys
print(sys.argv, len(sys.argv))
The script requires Python 2.6 or later. If you call this script print_args.py, you can invoke it with different argumen...
What are the ways to make an html link open a folder
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in IE only if the UNC path and the website containing the link are in the same domain, that is to say only in the intranet.
– Stefan Steiger
Feb 27 '13 at 16:17
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Can I Set “android:layout_below” at Runtime Programmatically?
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Kotlin version with infix function
infix fun View.below(view: View) {
(this.layoutParams as? RelativeLayout.LayoutParams)?.addRule(RelativeLayout.BELOW, view.id)
}
Then you can write:
view1 below view2
Or you can call it as a normal functi...
Format timedelta to string
... 2.7 and greater use .total_seconds() method
– sk8asd123
Apr 22 '14 at 21:46
28
Don't use .second...
AngularJS sorting by property
...containing an integer), just by definition in view.
Example JSON:
{
"123": {"name": "Test B", "position": "2"},
"456": {"name": "Test A", "position": "1"}
}
Here is a fiddle which shows you the usage:
http://jsfiddle.net/4tkj8/1/
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RGB to hex and hex to RGB
...l do to the RGB to hex conversion and add any required zero padding:
function componentToHex(c) {
var hex = c.toString(16);
return hex.length == 1 ? "0" + hex : hex;
}
function rgbToHex(r, g, b) {
return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
}
alert(...