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How to swap two variables in JavaScript
...n variables a and b:
b = [a, a = b][0];
Demonstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"</p>";
b = [a, a = b][0];
output.innerHTML+="<p>Swapped: "+a+", "+b+"</p>";
<div id="...
In Python, using argparse, allow only positive integers
...
251
This should be possible utilizing type. You'll still need to define an actual method that decide...
Different ways of clearing lists
...r example, this method doesn't affect other references:
>>> a = [1, 2, 3]
>>> b = a
>>> a = []
>>> print(a)
[]
>>> print(b)
[1, 2, 3]
But this one does:
>>> a = [1, 2, 3]
>>> b = a
>>> del a[:] # equivalent to del a[0...
How to get a function name as a string?
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12 Answers
12
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Django Cookies, how can I set them?
...nt content based on a location
the visitor chooses. e.g: User enters in 55812 as the zip. I know what
city and area lat/long. that is and give them their content pertinent
to that area. My question is how can I store this in a cookie so that
when they return they are not required to always enter the...
How to re-open an issue in github?
...rence the old one (by mentioning its number preceded by a hash sign, e.g. #123).
share
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How to get JQuery.trigger('click'); to initiate a mouse click
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11 Answers
11
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How do I trim a file extension from a String in Java?
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19 Answers
19
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Swift - Convert to absolute value
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417
The standard abs() function works great here:
let c = -8
print(abs(c))
// 8
...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
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149
https://developer.android.com/guide/topics/location/strategies.html#Permission
Note: If yo...