Tutorial by Examples: coder

Let's say we have an interface for logging: interface Logger { function log($message); } Now say we have two concrete implementations of the Logger interface: the FileLogger and the ConsoleLogger. class FileLogger implements Logger { public function log($message) { // Append...

Summary This goal is to reorganize all of your scattered commits into more meaningful commits for easier code reviews. If there are too many layers of changes across too many files at once, it is harder to do a code review. If you can reorganize your chronologically created commits into topical com...

Avoid code repetition in constructors by setting a tuple of variables with a one liner: class Contact: UIView { private var message: UILabel private var phone: UITextView required init?(coder aDecoder: NSCoder) { (message, phone) = self.dynamicType.setUp() su...

The received bytes have to be decoded with the correct character encoding to be interpreted as text: Python 3.x3.0 import urllib.request response = urllib.request.urlopen("http://stackoverflow.com/") data = response.read() encoding = response.info().get_content_charset() html = d...

Project is following the structure from the Angular2 Quickstart guide here. RootOfProject | +-- app | |-- app.component.ts | |-- main.ts | |-- pipeUser.component.ts | \-- sanitize.pipe.ts | |-- index.html |-- main.html |-- pipe.html main.ts import { bootstrap } from '@angu...

QRCodeReaderView implements an Android view which show camera and notify when there's a QR code inside the preview. It uses the zxing open-source, multi-format 1D/2D barcode image processing library. Adding the library to your project Add QRCodeReaderView dependency to your build.gradle dependen...

After you got the Location object from FusedAPI, you can easily acquire Address information from that object. private Address getCountryInfo(Location location) { Address address = null; Geocoder geocoder = new Geocoder(getActivity(), Locale.getDefault()); String errorMessage; Li...

Supervision and Monitoring

Decoding the chunks of a PNG file demonstrates Okio in practice. private static final ByteString PNG_HEADER = ByteString.decodeHex("89504e470d0a1a0a"); public void decodePng(InputStream in) throws IOException { try (BufferedSource pngSource = Okio.buffer(Okio.source(in))) { Byt...

Thanks to encoders and decoders, the JSR 356 offers a object oriented communication models. Messages definition Let's assume all received messages have to be transformed by the server before being sent back to all connected sessions: public abstract class AbstractMsg { public abstract void t...

Let’s Take an Example with Structure of Movie, here we have defined the structure as Codable. So, We can encode and decode it easily. struct Movie: Codable { enum MovieGenere: String, Codable { case horror, skifi, comedy, adventure, animation } var name : String v...