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Install Application programmatically on Android

...<application android:allowBackup="true" android:label="@string/app_name"> <provider android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}.authorityStr" android:exported="false" and...
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Best way to add “current” class to nav in Rails 3

...nst the current page uri and returns either your current class or an empty string. I've not tested this thoroughly and I'm very new to RoR (moving over after a decade with PHP) so if this has a major flaw I'd love to hear it. At least this way you only need 1 helper function and a simple call in e...
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Notification passes old Intent Extras

... android gotcha #147 - so an Intent that has different extras (via putExtra) are considered the same and re-used because i did not provide a unique id to some pending intent call - terrible api – wal Nov 30 '16 at 7:07 ...
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Uses for Optional

...de to work, but it's rather clumsy. Suppose you have a method that takes a string followed by an optional second string. Accepting an Optional as the second arg would result in code like this: foo("bar", Optional.of("baz")); foo("bar", Optional.empty()); Even accepting null is nicer: foo("bar", ...
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PendingIntent does not send Intent extras

... Following code should work:- int icon = R.drawable.icon; String message = "hello"; long when = System.currentTimeMillis(); NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); Notification notification = new Notific...
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How to fix 'android.os.NetworkOnMainThreadException'?

.... Run your code in AsyncTask: class RetrieveFeedTask extends AsyncTask<String, Void, RSSFeed> { private Exception exception; protected RSSFeed doInBackground(String... urls) { try { URL url = new URL(urls[0]); SAXParserFactory factory = SAXParserFacto...
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MVC (Laravel) where to add logic

...extends Controller { /** * Creates a new post. * * @return string */ public function store(PostRequest $request) { if ($request->persist(new Post())) { flash()->success('Successfully created new post!'); } else { flash()->e...
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited

... Note that Matt's code will result in an extra comma at the end of the string; using COALESCE (or ISNULL for that matter) as shown in the link in Lance's post uses a similar method but doesn't leave you with an extra comma to remove. For the sake of completeness, here's the relevant code from L...
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SQL keys, MUL vs PRI vs UNI

...------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-------+---------+------+-----+---------+-------+ | foo | int(11) | YES | | NULL | | +-------+---------+------+-----+---------+-------+ 1 row in set (0.00 sec) A table with one column and an index o...
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How to detect incoming calls, in an Android device?

...e callStartTime; private static boolean isIncoming; private static String savedNumber; //because the passed incoming is only valid in ringing @Override public void onReceive(Context context, Intent intent) { //We listen to two intents. The new outgoing call only tells us...