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@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    super.onCreateOptionsMenu(menu, inflater);

    // the first way to show menu
    // Inflate the menu; this adds items to the action bar if it is present.
    inflater.inflate(R.menu.main, menu);

    // the second way to show menu
    MenuItem item = menu.add(R.string.new_item).setIcon(android.R.drawable.ic_input_add)

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apply plugin: 'com.android.application'
apply plugin: 'com.neenbedankt.android-apt'

android {
    dataBinding {
        enabled true
    }
    compileSdkVersion rootProject.ext.compileSdkVersion
    buildToolsVersion rootProject.ext.buildToolsVersion

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    public static class MyData{
        public int code;
        public String name;

        public MyData(int code, String name) {
            this.code = code;
            this.name = name;
        }

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    //希望返回：[1A, 2B, 3A]。但实际返回[1A, 2B, 3B]。怎么搞？
    public Observable<List<String>> test_onErrorResumeNext() {
        final List<Integer> codeList = new ArrayList<>();
        for (int i = 1; i <= 3; i++) {
            codeList.add(i);
        }
        return Observable.create(new Observable.OnSubscribe<String>() {
            @Override
            public void call(Subscriber<? super String> subscriber) {

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\w+Activity\w*    XXXActivity或XXXActivtyXXX

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    /**
     * entity可用性常规则检查
     */
    @SuppressWarnings("unchecked")
    public static <T> Observable.Transformer<BaseEntity<T>, T> check() {
        return new Observable.Transformer<BaseEntity<T>, T>() {
            @Override
            public Observable<T> call(Observable<BaseEntity<T>> observable) {
                return observable.flatMap(new Func1<BaseEntity<T>, Observable<T>>() {
                    @Override

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#!/bin/bash

# Sync Homebrew installations between Macs via Dropbox
#

BREW="/usr/local/bin/brew"

# first get local settings
echo "Reading local settings ..."
rm -f /tmp/brew-sync.*

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Snackbar.make(getView(), "Replace with your own action", Snackbar.LENGTH_LONG)
        .setAction("Action", new View.OnClickListener(){
            @Override
            public void onClick(View v) {
            }
        }).show();

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$.ajax({
    url: "../routeProgressReport/dataItem",    //请求的url地址
    type: "POST",   //请求方式
    data: {warehouseId: warehouseId},    //参数值为@RequestBody或@RequestParam
    dataType: "json",   //返回格式为json
    beforeSend: function () {
        //请求前的处理
    },
    success: function (data) {
        //

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//通过key去重
Map<String, OrderItem> orderItemMap = orderItemList.stream()
        .collect(Collectors.toMap(item -> item.getSkuId() + "_" + item.getDeliveryDate() + "_" + item.getWarehouseId(), item -> item, (a, b) -> a));
orderItemList = orderItemMap.entrySet().stream().map(Map.Entry::getValue).collect(Collectors.toList());