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What APIs are used to draw over other apps (like Facebook's Chat Heads)?

... This one: Allows an application to open windows using the type TYPE_SYSTEM_ALERT, shown on top of all other applications. Very few applications should use this permission; these windows are intended for system-level interaction with the user. Constant Value: "android.permission.SYS...
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Add a custom attribute to a Laravel / Eloquent model on load?

...this->getMutatedAttributes() as $key) { if ( ! array_key_exists($key, $array)) { $array[$key] = $this->{$key}; } } return $array; } public function getUpperAttribute() { return strtoupper($this->title); ...
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Android notification is not showing

... new NotificationCompat.Builder(mContext.getApplicationContext(), "notify_001"); Intent ii = new Intent(mContext.getApplicationContext(), RootActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity(mContext, 0, ii, 0); NotificationCompat.BigTextStyle bigText = new NotificationCom...
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What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat

....forName("org.sqlite.JDBC");' do? What is the purpose of 'Class.forName("MY_JDBC_DRIVER")'? Loading JDBC driver share | improve this answer | follow | ...
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Reading a plain text file in Java

... new InputStreamReader(new FileInputStream(fileUtf8), StandardCharsets.UTF_8) share | improve this answer | follow | ...
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how to show lines in common (reverse diff)?

...u could also try with perl (credit goes here) perl -ne 'print if ($seen{$_} .= @ARGV) =~ /10$/' file1 file2 share | improve this answer | follow | ...
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How do I create a new Swift project without using Storyboards?

..., UIApplicationDelegate { var window: UIWindow? func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool { window = UIWindow(frame: UIScreen.main.bounds) if let window = window { ...
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Loading local JSON file

...e full example : I am getting error : has not been loaded yet for context: _. Use require([]) – shaijut Dec 26 '18 at 9:22 ...
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psql: FATAL: database “” does not exist

...t;user> when my goal is to create another DB: psql -U Username -f create_db.sql this will return error: database Username doesn't exists – Kostanos Oct 4 '17 at 16:21 ...
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Real-world examples of recursion [closed]

... } else{ System.out.println("\n" + indentation + "|_" +currentDirOrFile.getName()); indentation.append(" "); for ( String currentFileOrDirName : currentDirOrFile.list()){ getPrivateDirectoryContent(currentDirOrFile + "\\" + currentFi...