ashigeru

eclipse \
  -nosplash \
  -application org.eclipse.equinox.p2.director \
  -repository <update-site-urls> \
  -installIU <install-unit-id>

• <update-site-urls> はカンマ区切りでURLを複数指定可能
• `` は Eclipseの Help > About > Installation Details の `Id` カラムの値

ashigeru

Presto メモ

• presto 0.60
• [ QueryResource , TaskResource )

環境

なんかそのまま mvn clean install eclipse:eclipse -DskipTests コマンド叩いても checkstyle で落ちたので:

mvn clean install -DskipTests
mvn eclipse:eclipse -Dcheckstyle.skip

ashigeru

public class InferExc {
    public static void main(String[] args) /*never throw*/ {
        caller(() -> { return; });
    }
    private static <T extends Throwable> void caller(Capture<T> c) throws T {
        c.f();
    }
    @FunctionalInterface
    public interface Capture<T extends Throwable> {
        void f() throws T;

ashigeru

public class BreakExample {
    public static void main(String... args) {
        boolean always = true;
        String message;
        body:
        {
            if (always) {
                message = "OK";
                // http://docs.oracle.com/javase/specs/jls/se8/html/jls-14.html#jls-14.15
                break body;

ashigeru

public class SubSubCommands {

    public static void main(String[] args) {
        exec("a");
        exec("b");
        exec("a", "c");
        /*
            args: [a]
              program: "root a"
              command: [A]

ashigeru

public class MRC {
    public static void main(String[] args) {
        Supplier<Integer> s = new AtomicInteger()::incrementAndGet;
        System.out.println(s.get());
        System.out.println(s.get());
        System.out.println(s.get());
    }
}

ashigeru

{
    "notebook:close-and-shutdown": {
      "command": "notebook:close-and-shutdown",
      "keys": [
          "Alt W"
      ],
      "selector": ".jp-Notebook"
    },
    "notebook:change-cell-to-raw": {
      "command": "notebook:change-cell-to-raw",