如何在firebase Android中搜索值
I am saving data as follows in the Firebase: 我在Firebase中保存数据如下: I want to find all records that have #Yahoo in their title. What will be the exact qu...
如何正确地从Firebase加载信息?
I will try my best to explain what I'm doing. I have an infinite scrolling collection view that loads a value from my firebase database for every cell...
使用Firebase DataSnapshot.forEach进行Promise.all
I have a couple of HTML select's (dropdowns) that are populated from a Firebase node called "states" (see image below). Upon choosing a city, the belo...
Firebase的云功能:枚举DataSnapshot属性
I'd like to iterate over DataSnapshot properties in my Firebase function. Here's my code. 我想在Firebase函数中迭代DataSnapshot属性。这是我的代码。 alignmentsRef.once('v...
如何知道Firebase DataSnapshot何时保留在服务器端
I'm building a chat using Firebase, using offline feature (keepSynced(true)) 我正在使用Firebase构建聊天,使用离线功能(keepSynced(true)) It works very well except that...
如何将dataSnapshot放入HashMap并迭代Firebase Android
I am trying to turn a DataSnapshot object to HashMap then iterate it for accessing latitude longitude and avatar values for each player. Because after...
如何正常处理Firebase权限被拒绝的异常
Is there any way to avoid permission_denied exception dump on console. I dont want to see that exception on console and want to handle it gracefully. ...
如何检查快照中是否包含Firebase中的特定值?
When I run this code I get an error that says this: 当我运行此代码时,我收到一条错误,上面写着: Terminating app due to uncaught exception 'InvalidPathValidation', reason: ...
检查firebase DB中是否存在值
Is there a method in firebase, which can check if value exist in DB? Firebase has method .exists(), but according to docs it checks only the keys. fir...
检索新的Firebase数据 - iOS Swift
I'm new to iOS programming. In my project, I have stored the data into the firebase database. I have to retrieve the data for all the "meanACC" value...
迭代数组以从swift中的firebase数据库中提取值
might sound like a basic question--but I'm not seeing where I am going wrong.. 可能听起来像一个基本问题 - 但我没有看到我出错的地方.. I end up with either of these two scenari...
如何触发远程推送通知,当使用批处理的iOS开发时,用户对Firebase数据库节点值进行了更改?
I am using a Firebase database for my iOS Swift app. After going through a volume of material online, I decided to try Batch+Firebase to provide remot...
GTM(Google跟踪代码管理器)6.0和Firebase Analytics 5.0版本发生冲突
New Firebase version 5.0 is causing version conflict with Google Tag Manager. Has anyone has a solution for this? 新的Firebase版本5.0导致版本与Google跟踪代码管理器发生冲...
主题不在firebase控制台中显示
I have added below code to subscribe topics in Firebase: 我在Firebase中添加了以下代码来订阅主题: Messaging.messaging().subscribe(toTopic: "topics/news") I have waite...
检查用户名是否已存在:Swift,Firebase
I'm trying to check if a username exists or not. When I call queryOrderedBychild, snapshot value is always available but it will print down the whole ...
如何将嵌套的JSON对象存储到Firebase数据库中?
How to store string containing nested Json object in a proper tree format 如何以合适的树格式存储包含嵌套Json对象的字符串 sample string: 示例字符串: 152#233.69#-191.7#133.69#-...
在今天的日期和月份范围内选择Firebase数据库
Hello. I am working on Ionic and Firebase as backend. I want to list items based on current date and also based on date range (upto a month, 3 months...
如何从firebase数据库中获取子值?
I am trying to get values from Firebase Database and set them to text view. My database has multiple child like in image. I want to get the Phone and ...
使用AngularJS / AngularFire的Firebase身份验证问题[重复]
This question already has an answer here: 这个问题在这里已有答案: Angularfire 2 Error: The specified authentication provider is not enabled for this Firebas...
孤荷凌寒自学python第五十四天使用python来删除Firebase数据库中的文档
孤荷凌寒自学python第五十四天使用python来删除Firebase数据库中的文档(完整学习过程屏幕记录视频地址在文末)今天继续研究Firebase数据库,利用google免费提供的这个数据库服务,今天主要尝试使用firebase_admin模块来对firebase数据库进行删除文档操作获得成功...