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#!/usr/bin/env bash

# install or upgrade demucs: a state-of-the-art music source separation tool
#
# works ok for: macos 14.7, brew 4.4.4, python 3.12, demucs 4.0.1
#
# links:
# https://github.com/facebookresearch/demucs - not maintained anymore
# https://github.com/adefossez/demucs - a fork by the same author
#

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function install_xcode_command_line_tools_if_not_yet() {
  # install xcode cli tools via terminal
  # try the gui installer if failed
  # original hack: https://github.com/Homebrew/install/blob/master/install.sh
  if xcode-select -p 1>/dev/null 2>&1; then
    return
  fi
  installed=0
  tmp_file=/tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress
  touch "$tmp_file"

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await (async function() {
  function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
  } 
  async function rewriteAllGames(compId, gameIds) {
    console.log('gameIds:', gameIds);
    var formData = new FormData();
    for (let i = 0; i < gameIds.length; i++) {
      let gameId = gameIds[i];
      formData.append('items[]', 'game/' + gameId);

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[⁦]

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this is a <font color="red">gist</font>
to embed [⁦]

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@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@interface TestPojo {
  String file()
}

@TestPojo(file = "src/test/resources/foo-response.json")
FooResponse fooResponse
  
// invoke processSpecAnnotations()

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static final Validator VALIDATOR = Validation.buildDefaultValidatorFactory().getValidator()

static void validatePojo(Object pojo) {
    def errors = VALIDATOR.validate(pojo);
    if (errors.size() > 0) {
        log.error("Validation errors for {}: {}", pojo.getClass().getSimpleName(), errors);
        throw new RuntimeException("Pojo validation failed - see logs - " + pojo.getClass().getName());
    }
}

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/** private final DCLValue<Foo> foo = new DCLValue.create();
 *  Foo result = foo.getOrCreate(syncOn, () -> new Foo());
 *  Foo result = foo.get(); */
interface DCLValue<T> {
    T getOrCreate(Object syncOn, Supplier<T> creator);
    T get();
    void set(T value);

    static <T> DCLValue<T> create() {
        return new DCLValueRegular<>();

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enum Foo {
    ONE, TWO;
    private static class Helper {
        public static Map<String, Foo> enumByName = new HashMap<>();
        static {
            Arrays.stream(Foo.values()).forEach(it -> enumByName.put(it.name(), it));
            assert Foo.Helper.enumByName.get("ONE") == Foo.ONE; // usage
        }
    }
}

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public static boolean match(@Nullable Pattern pattern, @Nullable String input) {
    if (pattern == null || input == null) {
        return false;
    }
    return pattern.matcher(input).matches();
}

@Nullable
public static String toStr(@Nullable Object value) {
    return (value != null) ? value.toString() : null;