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How to prevent a dialog from closing when a button is clicked

...ing validation to your dialog, especially when you already have a helper wrapping class to deal with alerts – Guillaume Nov 18 '11 at 23:19 ...
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Hide scroll bar, but while still being able to scroll

... This approach won't cover all browsers, and will be very specific to the browser's version you are working with during the development. – Itsik Avidan Oct 22 '14 at 12:23 ...
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How many threads is too many?

...ly set it to 100, then release your software to the wild and monitor what happens. If your thread usage peaks at 3, then 100 is too much. If it remains at 100 for most of the day, bump it up to 200 and see what happens. You could actually have your code itself monitor usage and adjust the configur...
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running Rails console in production

...e: bundle exec rails console production ...in the webroot of your rails app. That is if you haven't installed the rails package directly on the server yet or if you want to run console within the context of your web app. ...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...r posts on tracking down the reasons for getting a SIGSEGV in an Android app. I plan to scour my app for possible NullPointers related to Canvas use, but my SIGSEGV barfs up a different memory address each time. Plus I've seen code=1 and code=2 . If the memory address was 0x00000000 , I'd ha...
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How to select .NET 4.5.2 as a target framework in Visual Studio

....2 Multi-Targeting Pack: Contains the reference assemblies needed to build apps that target the .NET Framework 4.5.2 .NET Framework 4.5.2 Language Packs .NET Framework 4.5.2 Multi-Targeting Pack Language Packs: Contains the IntelliSense files to display help while building apps that target the .NE...
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Set up Heroku and GoDaddy? [closed]

...'Points to' should be your Heroku address (example supermoo-bil-3411.herokuapp.com). TTL can be 1 hour. It can take some time for the DNS to propogate. For me it took about 10 minutes. That's it! supermoo-bil-3411.herokuapp.com will now be under www.example.com :) Create a naked domain: A naked...
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Current location permission dialog disappears too quickly

My app takes the user's location, gets the co-ordinates , and provides a distance to or from their destination or origin. All these possible destinations are shown in a table view, so I'm getting the users co-ordinates at the same time as populating the table. The only thing is, the alert view that ...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: ...
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How to find index of list item in Swift?

... A detailed documentation of the method can be found at https://developer.apple.com/reference/swift/array/1689674-index For array items that don't conform to Equatable you'll need to use index(where:): let index = cells.index(where: { (item) -> Bool in item.foo == 42 // test if this is the i...