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Pick a random element from an array
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print(array.randomElement()!) // Using ! knowing I have array.count > 0
If you don't create the array and aren't guaranteed count > 0, you should do something like:
if let randomElement = array.randomElement() {
print(randomElement)
}
Swift 4.1 and below
Just to answer your questi...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
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10 Answers
10
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Getting the parent div of element
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edited Aug 8 '14 at 9:02
answered Jul 28 '11 at 9:57
Ro...
How do you append to an already existing string?
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edited Feb 17 '17 at 10:23
lleaff
3,4451212 silver badges2222 bronze badges
answered Feb 12 '10 at 7...
Redis strings vs Redis hashes to represent JSON: efficiency?
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170
It depends on how you access the data:
Go for Option 1:
If you use most of the fields on most...
Best way to center a on a page vertically and horizontally? [duplicate]
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30 Answers
30
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Hide all but $(this) via :not in jQuery selector
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edited Aug 27 '09 at 11:40
answered Aug 25 '09 at 13:37
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In Jinja2, how do you test if a variable is undefined?
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edited Jul 29 '14 at 0:16
Day
8,38533 gold badges4848 silver badges8989 bronze badges
answered Oct ...
How to create cron job using PHP?
...ask. They are as follows:
Minutes represents the minutes of a given hour, 0-59 respectively.
Hours represents the hours of a given day, 0-23 respectively.
Days represents the days of a given month, 1-31 respectively.
Months represents the months of a given year, 1-12 respectively.
Day of the Week r...
jQuery append fadeIn
...os/t/'+data.filename+'"/></li>')
.hide()
.fadeIn(2000)
);
This uses the dollar function to construct the <li> ahead of time. You could also write it on two lines, of course, if that makes it clearer:
var item = $('<li><img src="/photos/t/'+data.filenam...