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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there any way to send a song title to the spotify app from my app so that it will start playing the song through spotify? I tried using the bellow code i found in another code but nothing happens. Intent intent = new Intent(Intent.ACTION_MAIN); intent.setAction(MediaStore.INTENT_ACTION_MEDIA_PLAY_FROM_SEARCH); intent.setComponent(new ComponentName("com.spotify.mobile.android.ui", "com.spotify.mobile.android.ui.Launcher")); intent.putExtra(SearchManager.QUERY, "michael jackson smooth criminal"); I know shazam is able to do this. 回答1: You

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have read lots of stackoverflow questions related to ServerValue.TIMESTAMP but I can't figure out how to use it in my app. I need to get the timeStamp of the creation of a post. The timeStamp should be added to the same place as with uid , author etc. of the post. Code snippet which writes the post the firebase database: private void writeNewPost(String userId, String username, String title, String body) { // Create new post at /user-posts/$userid/$postid and at // /posts/$postid simultaneously String key = mDatabase.child("posts").push()

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is it possible to check into a blade view if @yield have content or not? I am trying to assign the page titles in the views: @section("title", "hi world") So I would like to check in the main layout view... something like: Sitename.com {{ @yield('title') ? ' - '.@yield('title') : '' }} 回答1: There is probably a prettier way to do this. But this does the trick. @if (trim($__env->yieldContent('title'))) @yield('title') @endif 回答2: In Laravel 5 we now have a hasSection method we can call on a View facade. You can use View::hasSection to check if

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am using storyboards in my application, and if I set the title property of a ViewController class, that string will appear as the text of my back button when I push a SecondViewController, how can I change this?, I want to put a different title for the back button. I have used this but it doesn't work: UIBarButtonItem *btnBack = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStyleBordered target:self action:nil]; [self.navigationItem setBackBarButtonItem: btnBack]; please help me 回答1: Try this , Objective-C:

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a modal view controller whose view comes from a XIB. I want it to have the same look and feel as the rest of my navigation based app, but it's not a view that's pushed to the navigation stack, it's presented modally. I dragged a UINavigationBar in and made it an outlet, but it doesn't have a title property to set. I have two fields that can bring up this modal view, and I want the title set differently depending on which one creates the modal view. 回答1: UINavigationBar 's manage a stack of UINavigationItem s much like a

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to use a custom title to include an image button to the title bar. I got a lot of help form this post: android: adding button to the title of the app? , but could not get it work for my ListActivity. In a nutshell, following is what I have: I hide the titlebar in the AndroidManifest.xml The specify a relative layout for the custom title (workorder_list_titlebar.xml) My Activity Class looks like the following: public class WorkOrderListActivity extends ListActivity { String[] orders={"WO-12022009", "WO-12302009","WO-02122010",

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have seen a couple screen shots of a UIAlertControllers with an image on the left of the row but I do not seen it in the documentation. An example visual is Here is the code that I have for my controller right now: UIAlertController * view = [UIAlertController alertControllerWithTitle:@"My Title" message:@"Select you Choice" preferredStyle:UIAlertControllerStyleActionSheet]; UIAlertAction* ok = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action) { }]; [view addAction:ok]; [self

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In Method gotoThirdScreen(), I am tryiing to pass parameters to a class. I believe the issue starts at: //========================================================= //=== please put PageRouteBuilderCode here. The Class SecondPage has... widget.title. But not sure how to pass titel from _gotoThirdPage(). This code works //=============================== import 'package:flutter/material.dart'; void main() => runApp(new MyApp()); class MyApp extends StatelessWidget { // This widget is the root of your application. @override Widget build

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am implementing a firebase example as given in their documentations. I am facing this error: com.fasterxml.jackson.databind.JsonMappingException: No suitable constructor found for type [simple type, class com.XYZ.$BlogPost]: can not instantiate from JSON object (need to add/enable type information?) Here is my code: public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_user); Firebase.setAndroidContext(this); }

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I have used xml.UnMarshal method to get a struct object but it has it's own limitations. I need a way where I can get all the descendants of a particular type inside a node without specifying the exact xpath. For example, I have an xml data of the following format: this is content area This id dog tommy this is birds this is birds this is animals Now I want to traverse through the above xml and process each node and it's children in that order. The problem is that this structure is not fixed and order of elements may change. So I