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FirstOrDefault: Default value other than null

...FirstOrDefault().IfDefaultGiveMe(otherDefaultValue); Again, this can't really tell if there was anything in your sequence, or if the first value was the default. If you care about this, you could do something like static class ExtensionsThatWillAppearOnIEnumerables { public static T FirstOr&...
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Making TextView scrollable on Android

... You don't need to use a ScrollView actually. Just set the android:scrollbars = "vertical" properties of your TextView in your layout's xml file. Then use: yourTextView.setMovementMethod(new ScrollingMovementMethod()); in your code. Bingo, it scrolls! ...
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public static const in TypeScript

...n the run time (unlike in the first example, where the change would not be allowed at all as demonstrated). share | improve this answer | follow | ...
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How to build a query string for a URL in C#?

A common task when calling web resources from a code is building a query string to including all the necessary parameters. While by all means no rocket science, there are some nifty details you need to take care of like, appending an & if not the first parameter, encoding the parameters etc. ...
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Android: How can I validate EditText input?

...ooks like exactly what I need. Hadn't heard of TextWatcher (new to the SDK/API), but I'll test it out and see if it behaves the way I think it will. Thanks for the info! – Stefan May 18 '10 at 12:30 ...
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?

...ary spins off the auth operation asynchronously, and you have a Handler - Callback mechanism (onComplete called on a listener) that could easily create this scenario. When I've seen this reported in my app, its pretty rare and matches the experience in the blog post. Something went wrong for the ac...
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What is the difference between service, directive and module?

...been reading a lot of docs, and I'm getting more and more confused. I basically can't figure out the difference between a ...
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Animate the transition between fragments

...urse animate the translationX, translationY, x, and y properties, but generally slides involve animating content to and from off-screen. As far as I know there aren't any transition properties that use relative values. However, this doesn't prevent you from writing them yourself. Remember that prope...
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Downloading jQuery UI CSS from Google's CDN

...e to download the jQuery lib for both UI and Core. My question is, do they allow me to download the CSS for it or should I have to host it myself? ...
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How to filter multiple values (OR operation) in angularJS

... It is working for me but it returns all the results if it doesn't find the searched attribute in the list, how can I do to invert this behavior and return no result if the value doesn't exist in the list? – Zakaria Belghiti ...