luctrudeau

Lock lock = ...;
      if (lock.tryLock()) {
          try {
              // manipulate protected state
          } finally {
              lock.unlock();
          }
      } else {
          // perform alternative actions
      }

luctrudeau

@startuml
node {
  interface "OSGI" as OSGI1
  interface "OSGI" as OSGI2
  interface "OSGI" as OSGI3
  [Service 4 (service composé)] -down-> OSGI1
 
  [Service 3\nGUI] -up- OSGI3
  [Service 2\nSGR] -up- OSGI2
  [Service 1\nSGS] -up- OSGI1

luctrudeau

@startuml
package "couche 1" <<Rect>> {
 Observable <|-- A
}

package "couche 2" <<Rect>> {
  Interface Observable  
  B -> A
}
@enduml

luctrudeau

rgb = imread(fileName);
[h, w, ~] = size(rgb);
cx = round(w / 2);
cy = round(h / 2);

imshow(rgb);
e = imellipse(gca, [cx - (cy), 0, h h]);
wait(e);

luctrudeau

Testing comment

luctrudeau

byte[] octets = "ETS".getBytes("UTF-8");
String base64 = Base64.encodeToString(octets, Base64.URL_SAFE);

byte[] octets = Base64.decode(base64, Base64.URL_SAFE);
String text = new String(octets, "UTF-8");

luctrudeau

AsyncTask<URL, String, String> httpTask = new AsyncTask<URL, String, String>() {
  @Override
  protected String doInBackground(URL... urls) {
    HttpURLConnection urlConnection = null;
    StringBuilder sb = new StringBuilder();
    try {
      urlConnection = (HttpURLConnection) urls[0].openConnection();
      try (BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()))) {
        for (String line = in.readLine(); line != null; line = in.readLine()) {
            sb.append(line);

luctrudeau

@startuml
hide footbox

Client -> Server: HTTP Get << Long Lived>>
activate Client
activate Server
Server -> Server: serve()
activate Server

luctrudeau

HTTP Long Polling

luctrudeau

\documentclass{standalone}
\usepackage{pgfplots}
\usepackage{tikz}

\usepackage{graphicx}
\usepackage[caption=false]{subfig}
\usepackage[noabbrev]{cleveref}
\usepackage{schemabloc}
\usepackage{amsmath}
\usepackage{amssymb}