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FCM推送通知不来Android

I have one android application in which I am trying to implement firebase push notification. I have setup project in firebase console properly as well download and located json file. My code for

试图获取订阅服务器计数(PHP)时出错

Code: echo "I have ".file_get_contents("https://www.googleapis.com/youtube/v3/channels?part=statistics&id=UC0cV7l5l32FJSL2VQg9r5_Q&key=MY-KEY")." subscribers but my goal is 1,000 subscribers.

启动CENTOS 7中的超分类帐服务器错误

I'm not able to start fabric server with ./startFabric.sh, i had run ./downloadFabric.sh succesfuly. I'm using centOS 7.4 Docker version 18.06.0-ce npm v5.6.0 composer --version v0.19.12 docker-

文本取代谷歌应用程序脚本功能不会触发与DOPAST

I'm working on a web application that uses Google Sheets as a backend to store and update information passed to it via JSON. Specifically, I post updated information to a sheet called "repchanges" (

如何获取DATAFRAM.DROPUPDICATES()调用中的删除重复列表?

I have a Python DataFrame with some duplicate items. Is there an easy (idiomatic) way to get the list of duplicates? I know about drop_duplicates() but it doesn't seem to return what was dropped. I

CAREDATA获取数组元素

I'm using CoreData in my application and I have two entities: Building and Phone which are connected using one-to-many relation. I need to set the number property from the Phone entity to my textView.

在SQL中,如何在列中填充序号而不改变表结构?

populating number in a sequence for a column without altering table structure--need a query

增加多重增益

<?php function getURL($u){ $u = file_get_contents("http://{$u}"); return $u != false ? $u : ""; } function GetStringBetween($string, $start, $finish){ $string = " ".$string;

MPDF如何在版本7上设置页边距?

how is possible to set the margins on the new 7 version? I want to remove the marigns of the pages, setting on 0. In the version 6 I set them into new mPDF( but now I don't know how is possible on

PYOODE建筑车轮故障

I Have tried to install Pyaudio with "pip install Pyaudio" but he give me this error Failed building wheel for PyAudio

为什么可以

So I am remaking my kinda complex console program to GUI. However, I am very unexperienced JavaFX user. Label cityNameLabel = (Label) scene.lookup("#cityNameLabel"); cityNameLabel.setText("No text");

PHP不返回任何来自SQL数据库的数据,即使数据库中有数据

I am new to php and learning how to retrieve data from a database into html. I have created a database in go-daddy with a simple test table called "Fruits" with four rows and 3 columns and it has

为什么JSP中的ScRelpple被认为是坏的,但是在ASP同样如此

I came across this but it never really got an answer. Do they not function in somewhat the same manner in which the code could become 'un-testable', or a nightmare to debug and not re-usable; yet the

JavaScript错误:对象(

I have a simple example: util.js and app.js are in the same directory. In util.js export function existy(x) { return x !== null && x != undefined; } In app.js import {existy} from 'util'

图像不

**I tried to implement Splash Screen in my project. I wrote the code too.Everything goes fine.But while running in mobile. Splash screen is seen for 3 second but image doesn't load.It all shows is

烧瓶SOCKETIO,EVELLET,多重处理,进程不兼容

My code (Python 3.5 on Raspbian 9 - Stretch) is divided up into a number of separate processes, which are run from main.py. A simplified example of my code is below, which I believe is plain vanilla

显示用户

I am building my first RoR application and it involves Assignments with Tasks. The user has the ability to Create Assignments, add Tasks to those assignments, and also mark assignments complete. I

如何防止分布式二进制框架的未授权使用

I've created a framework with the compiled binary on GitHub that's meant to be used in my customers' apps only. I'm looking for ideas on securing it from unauthorized use. My two thoughts are: A

FuntWaveSeMe图标不加载,但仅在窗口大小调整之后

I'm using fontawesome (latest version) icons in pseudo elements. They work fine except popup menu. There are several icons and the are not displayed (only the "no icon" default symbol) till I resize

通过“CealStaskNavigigor”构建的导航容器来反应本地PASS“道具”

I have a react-native app with top level App.js that is: import { createStackNavigator } from 'react-navigation'; class App extends Component { render(){ return <AppStack {..this.props} /> }

有没有办法编辑表布局元素的单元格,而不影响其他单元格呢?

In the C# WinForms Editor in Visual Studio 2017 it seems to be impossible to edit the layout/individual cells of your table layout element without making other cells smaller or bigger when dragging

从一行中生成URL的Web刮标题

I have a list of URL link all I need is to get the title of the URL I have saved the list of URL in an excel file and am calling it in here for row in url: try: html_page = urllib.

禁用Python中的Type()函数的XML输出

I'm working with an external compiled API, that does some XML manipulation prior to screen rendering. I am passing data to and from the API, and I want it to break cleanly so I can see where it is

使用传感器数据

I asked a question earlier to this topic. I have to clone a sensor driver from github where I have access to the distance of two modules. I never did this before so I wanted to ask you about this: 1:

从服务器-拉拉维尔5.6下载文件(JPG和PDF)

I am able to upload jpg and pdf to my server (database). Now, i want to be able to download it when i click on the file itself in my view as shown below. When i click on the file, it routes me to

如何在HTML页面上执行Python代码?

Let me first start out by saying I am pretty new to HTML in general and have some python programming experience from learning on my own. So my question is this, I am in the process of creating a

[帮助SQL]:我不

I have the following query to update random number in [SetID] column. " UPDATE Employee SET SetID = CAST(RAND(CHECKSUM(NEWID())) * 5 as INT) + 1 " Update Random Number query But sometimes i am

Gstreamer splitmuxsrc不玩SpultMuxink制作MP4文件

Good afternoon, I'm saving RTSP stream as MP4 segments. "gst-launch-1.0 -e rtspsrc location=rtsp://192.168.0.108/profile2/media.smp ! splitmuxsink location=storage/%04d.mp4 max-size-time=

强制生成模板基函数

I am using the curious recurring template pattern (CRTP) to provide functionality, which require the generation of static functions for the base class. Often, I forget to explicitly instantiate the

捆绑目前有比特币红宝石锁定在0.0.6

when I am going to update the bundle then I am getting this one: root@DESKTOP-NC0HVCK:~/code/BitsinoDice# bundle install Don't run Bundler as root. Bundler can ask for sudo if it is needed, and

代码不工作

This the link to the question : https://practice.geeksforgeeks.org/problems/merge-two-sorted-linked-lists/1 Please tell why this code doesn't work This is my solution : Node* SortedMerge(Node*

如何使用SeleWEBKER获取HTTPS请求计数

I want to get the count of https request(ajax calls) count using selenium webdriver. How to get the count?

如何检查Java中的测试覆盖率?

I want to check the test coverage, run through run'Test in'lesson_3"with Coverage get an error java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(

MAC PHP 7.1.12VS 7.0.30 Ubuntu性能

I have been trying to figure out why PHP is running so slow on my local machine versus an Ubuntu (virtual) server. I have imap extension disabled. Running on local: time php -v PHP 7.1.12 (cli) (

类型WebDever中的FieldEngices(by)方法不适用于参数(列表)

public static List<WebElement> read_element_file(List<WebElement> element) { List<WebElement> li = driver.findElements(element); int i =li.size();

谷歌云错误13:运行GMULL应用程序在控制台中部署时发生内部错误

Recently I added a friend to my project and gave her Owner, App engine admin, app engine deploy rights but when she tries to publish her changes and make a current version she gets error 13: An

如何包含AggressiveSplittingPlugin生成的捆绑包

I am using this configuration to split my webpack bundle: new webpack.optimize.AggressiveSplittingPlugin({ minSize: 30000, // min size 30kb maxSize: 200000 // max size 250kb }), This generate

如何在Spring启动应用程序中正确使用ObjtDB?

I have a spring boot application with objectdb embedded database. I am manually handling connection and transaction operations as described at http://www.objectdb.com/java/jpa/persistence/overview

如何生成泊松过程随机变量?

I'm trying to generate random variables in unidimensional poisson point process that represents vehicles positions at road , and this points are uniformly distributed , how i can do this using matlab

MySQL查询:查找列

I am going to try to do my best to explain the SQL query I'm trying to achieve I have the following structure: Table usermeta Columns: : user_id, meta_key, meta_value I need to find all meta_key

使用Type Script在代理中正确地键入动态函数

I have a function that returns a Proxy which uses a get trap to infer functions from multiple objects. Now I need to be able to type these functions, since they are technically known at compile time

更改相机应用程序中的按钮文本

I am using Media.Plugin to open the camera and click a picture inside my iOS project in Xamarin Forms application. I want to change the button text's at the bottom Use Image and Cancel on the camera

转移网站到DOCKER PHP Apache DEV

i'm running win 7 64 I've installed this docker machine : https://hub.docker.com/r/webdevops/php-apache-dev/ it is ok, i can access on my navigator : http://192.168.99.100:32789/ but now, how

如何结束/杀死一个检查表内IP地址而不影响其他功能的函数

According to the title, how can I accomplish it? One of the function that checks for IP addresses which are already stored in db should kill the specific check function without affecting others.I used

Python的克隆编码程序(Django)

I've been trying to create more python questions using codingbat, but the platform only supports the most basic datatypes. For example, I can't provide a dictionary as a parameter or a return value.

JSF错误消息不是用@ PASTCONTUT渲染的

i found a solution to my question for jsf2, as shown here: How can I add Faces Messages during @PostConstruct but this does not work for jsf 1.x because there is no <f:event type="

当我还书的时候

So I'm making a library information system, and I stumbled across a problem. When I want to give the book to Library member, the program checks if there is at least 1 book in the database, if there is

基于内部条件编程修改地图

I have a map like this for example const Map = new Map().set('123', [ [ 'foo', 'bar' ] ]).set('456', [ [ 'baz', 'qux' ], [ 'quux', 'corge' ] ]); /* The structure of the Map looks like this: Map {

固定背景图像和绝对定位包装

I'm having an issue only on Google Chrome. Basic CSS styles don't behave the same on the two browsers and I can't understand why. Here is the behavior on Firefox, which is the desired result: And

自由图像如何画线

Is it possible to draw lines using freeimage? In order to draw pixels you can use: FreeImage_SetPixelColor(img, Vertices[x][0], Vertices[y][1], &color); So, you plot a pixel by using x,y