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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...Active)
}
The big change here is that instead of calling a #selector, we now call the var created above. This can eliminate situations where you get invalid selector crashes.
Finally, we remove the observer.
func removeObserver() {
NotificationCenter.default.removeObserver(self, name: .UIApp...
How do I clear my local working directory in Git? [duplicate]
...y
## clear the working copy
git checkout empty
Your working copy should now be clear of any managed content. All that remains are unmanaged files and the .git folder itself.
To re-populate your working copy...
git checkout master ## or whatever branch you will be using
If you're a forward ...
This type of CollectionView does not support changes to its SourceCollection from a thread different
... mistaken, in WPF 4.5, you should be able to do this without any problem.
Now to solve this, you should use the synchronization context. Before you launch the thread, you have to store the synchronization context in the ui thread.
var uiContext = SynchronizationContext.Current;
Then you use it i...
PHP Session Security
...or problems (which is being addressed in PHP 6) is register_globals. Right now one of the standard methods used to avoid register_globals is to use the $_REQUEST, $_GET or $_POST arrays.
The "correct" way to do it (as of 5.2, although it's a little buggy there, but stable as of 6, which is coming s...
How to run a shell script on a Unix console or Mac terminal?
I know it, forget it and relearn it again. Time to write it down.
7 Answers
7
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What is the argument for printf that formats a long?
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Yep Dr Beco; further, just %l triggers warning: unknown conversion type character 0x20 in format [-Wformat]
– Patrizio Bertoni
Jul 29 '15 at 10:53
add ...
Difference between “process.stdout.write” and “console.log” in node.js?
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I know this is a very old question but I didn't see anybody talking about the main difference between process.stdout.write and console.log and I just want to mention it.
As Mauvis Leford and TK-421 pointed out, the console.log ...
Outline radius?
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Old question now, but this might be relevant for somebody with a similar issue. I had an input field with rounded border and wanted to change colour of focus outline. I couldn't tame the horrid square outline to the input control.
So ins...
Align contents inside a div
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If you don't know the div width, which is often the case, this solution works perfectly in all browsers: matthewjamestaylor.com/blog/…
– Artem Russakovskii
Jan 28 '10 at 8:35
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Setting Access-Control-Allow-Origin in ASP.Net MVC - simplest possible method
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WebAPI 2 now has a package for CORS which can be installed using :
Install-Package Microsoft.AspNet.WebApi.Cors -pre -project WebServic
Once this is installed, follow this for the code :http://www.asp.net/web-api/overview/security/e...