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Java Look and Feel (L&F) [closed]

...the desired result. public void changeLookAndFeel() { List<String> lookAndFeelsDisplay = new ArrayList<>(); List<String> lookAndFeelsRealNames = new ArrayList<>(); for (LookAndFeelInfo each : UIManager.getInstalledLookAndFeels()) { lo...
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Pythonic way to print list items

... To add format(), replace the str(x) with a format string: print " ".join(["{:02d}".format(x) for x in l]) – ChrisFreeman Apr 26 '16 at 6:34 add a comm...
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What is the difference between a weak reference and an unowned reference?

...d from the docs. Example of the weak keyword: class Person { let name: String init(name: String) { self.name = name } var apartment: Apartment? } class Apartment { let number: Int init(number: Int) { self.number = number } weak var tenant: Person? } And now, for some ASCII...
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IOException: read failed, socket might closed - Bluetooth on Android 4.3

... new ArrayList<UUID>(); this.uuidCandidates.add(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB")); } } public BluetoothSocketWrapper connect() throws IOException { boolean success = false; while (selectSocket()) { adapter.cancelDi...
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?

...() { System.out.println("Hi!"); } public static void main(String[] args) throws Exception { Class clazz = Class.forName("test.Demo"); Demo demo = (Demo) clazz.newInstance(); } } As explained in its javadoc, calling Class.forName(String) returns the Class object...
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sendmail: how to configure sendmail on ubuntu? [closed]

... In case anyone else is confused, the strings inside the sendmail.mc file need to be in the form BACKTICK + your text + SINGLE QUOTE. – Thomas Apr 2 '16 at 1:43 ...
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What makes Lisp macros so special?

...pected ? Or is the "for" parameter used in the loop so that it must be the string "for" when called ? – dader May 16 '13 at 2:05 2 ...
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What to do Regular expression pattern doesn't match anywhere in string?

...lt;quote> }{$+{BODY}}six; return $_; } sub descape { my $string = $_[0]; for my $_ ($string) { s{ (?<! % ) % ( \p{Hex_Digit} {2} ) }{ chr hex $1; }gsex; s{ & \043 ( [0-9]+ ) ...
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phpunit mock method multiple calls with different arguments

...have database layer class called DB. This class has method called "Query ( string $query )", that method takes an SQL query string on input. Can I create mock for this class (DB) and set different return values for different Query method calls that depends on input query string? ...
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How to indicate param is optional using inline JSDoc?

...as well /** * @param {MyClass|undefined} * @param {MyClass=} * @param {String} [accessLevel="author"] The user accessLevel is optional. * @param {String} [accessLevel] The user accessLevel is optional. */ Just slightly more visually appealing than function test(/**String=*/arg) {} ...