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How to toggle a boolean?
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edited May 21 at 19:24
answered Jul 22 '12 at 22:11
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Show a number to two decimal places
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1171
You can use number_format():
return number_format((float)$number, 2, '.', '');
Example:
$...
Maintaining the final state at end of a CSS3 animation
...applied onClick, and, using keyframes, it changes the opacity from 0 to 1 (among other things).
4 Answers
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Capture key press (or keydown) event on DIV element
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(1) Set the tabindex attribute:
<div id="mydiv" tabindex="0" />
(2) Bind to keydown:
$('#mydiv').on('keydown', function(event) {
//console.log(event.keyCode);
switch(event.keyCode){
//....your actions...
Small Haskell program compiled with GHC into huge binary
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215
Let's see what's going on, try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executa...
Why does pylint object to single character variable names?
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edited Aug 9 '18 at 6:39
answered Feb 17 '14 at 16:12
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How to append multiple values to a list in Python
...r any other thing that provides a sequence of values.
>>> lst = [1, 2]
>>> lst.append(3)
>>> lst.append(4)
>>> lst
[1, 2, 3, 4]
>>> lst.extend([5, 6, 7])
>>> lst.extend((8, 9, 10))
>>> lst
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
>>> ...
Why is rbindlist “better” than rbind?
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156
rbindlist is an optimized version of do.call(rbind, list(...)), which is known for being slow ...
python re.sub group: number after \number
How can I replace foobar with foo123bar ?
1 Answer
1
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Pull to refresh UITableView without UITableViewController
...action: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
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