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Verifying that a string contains only letters in C#
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Only letters, numbers and underscore:
Regex.IsMatch(input, @"^[a-zA-Z0-9_]+$");
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How to get UILabel to respond to tap?
...= UITapGestureRecognizer(target: self, action: #selector(self.actionTapped(_:)))
tempLabel?.isUserInteractionEnabled = true
tempLabel?.addGestureRecognizer(tapAction)
Action receiver
func actionTapped(_ sender: UITapGestureRecognizer) {
// code here
}
Swift 4.0
Initialize the gesture...
Execute JavaScript code stored as a string
...zilla's page is a better overall picture of it. Slightly tweaked my answer based on feedback
– cgp
Aug 15 '13 at 17:14
1
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How to Select Every Row Where Column Value is NOT Distinct
...r be used in an aggregate function error. Is the only fix - editing the sql_mode?
– Volodymyr Bobyr
Jul 16 at 16:21
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NodeJS - What does “socket hang up” actually mean?
... socket hang up] code: 'ECONNRESET' }
at ClientRequest.proxyError (your_server_code_error_handler.js:137:15)
at ClientRequest.emit (events.js:117:20)
at Socket.socketCloseListener (http.js:1526:9)
at Socket.emit (events.js:95:17)
at TCP.close (net.js:465:12)
Line http.js:1526:9...
After submitting a POST form open a new window showing the result
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Add
<form target="_blank" ...></form>
or
form.setAttribute("target", "_blank");
to your form's definition.
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How to refresh Android listview?
... before calling the notifyDataSetChanged().
If you're working with a database or service backend you'll have to call the method to retrieve the information again (or manipulate the in memory data) before calling the notifyDataSetChanged().
The thing is this notifyDataSetChanged only works if the ...
A transport-level error has occurred when receiving results from the server [closed]
... This one is the actual answer.
– TheHuge_
Nov 14 '16 at 16:55
2
In my particular cas...
UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
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And for Swift (based on answer from @Jason):
class MyAwesomeClass: UIViewController, UIGestureRecognizerDelegate
private var tap: UITapGestureRecognizer!
override func viewDidLoad() {
super.viewDidLoad()
self.tap = UITapGestureRec...
Caveats of select/poll vs. epoll reactors in Twisted
Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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