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How do you implement an async action delegate method?
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309
The async equivalent of Action<T> is Func<T, Task>, so I believe this is what you'...
How do I check if a string contains another string in Swift?
...ng is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if string.contains("Swift") {
print("exists")
}
Swift 3.0+
var string = "hello Swift"
if string.range(of:"Swift") != nil {
print("exists")
}
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How long does it take for GitHub page to show changes after changing index.html
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3 Answers
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How to get just numeric part of CSS property with jQuery?
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edited Mar 6 '13 at 3:26
answered Jul 8 '09 at 21:33
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javascript check for not null
...nt
– Arsen Mkrtchyan
Aug 15 '16 at 13:26
add a comment
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Accessing MP3 metadata with Python [closed]
How can I retrieve mp3 metadata in Python?
16 Answers
16
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Colspan all columns
...ill be variable/difficult to determine when the HTML is being rendered)? w3schools mentions you can use colspan="0" , but it doesn't say exactly what browsers support that value (IE 6 is in our list to support).
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What's the best way to detect a 'touch screen' device using JavaScript?
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36 Answers
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How can I suppress column header output for a single SQL statement?
...ect * from names;
+------+-------+
| 1 | pete |
| 2 | john |
| 3 | mike |
+------+-------+
3 rows in set (0.00 sec)
Credit to ErichBSchulz for pointing out the -N alias.
To remove the grid (the vertical and horizontal lines) around the results use -s (--silent). Columns are separated...