草庐IT

First_Name_Label

全部标签

flutter - Firebase 身份验证错误 : Undefined name 'auth'

我想通过使用每个用户的UID来访问我的firestore数据库,如下所示:returnnewStreamBuilder(stream:Firestore.instance.collection('users').document(uid).snapshots(),builder:(context,snapshot){if(!snapshot.hasData){returnnewText("Loading");}varuserDocument=snapshot.data;获取UID:finalFirebaseUseruser=auth.currentUser().then((Fireba

flutter - Firebase 身份验证错误 : Undefined name 'auth'

我想通过使用每个用户的UID来访问我的firestore数据库,如下所示:returnnewStreamBuilder(stream:Firestore.instance.collection('users').document(uid).snapshots(),builder:(context,snapshot){if(!snapshot.hasData){returnnewText("Loading");}varuserDocument=snapshot.data;获取UID:finalFirebaseUseruser=auth.currentUser().then((Fireba

The bean ‘xxx.FeignClientSpecification‘ could not be registered. A bean with that name has already b

一、异常日志:Thebean'xxxx.FeignClientSpecification'couldnotberegistered.Abeanwiththatnamehasalreadybeendefinedandoverridingisdisabled.Action:Considerrenamingoneofthebeansorenablingoverridingbysettingspring.main.allow-bean-definition-overriding=true二、原因:在同于一个微服务中多个feign接口使用@FeignClient注解调用同一个名称的微服务,启动时引发的异

sqlite : ambiguous column name

我是新手,我尝试在我的数据库上这样做SELECTidFROMimportaINNERJOINimportbONa.id-1=b.idANDb.val=0WHEREa.val=-1Pb:不明确的列名:id我的table:CREATETABLE"import"("id"INTEGERPRIMARYKEYNOTNULL,"id_analyse"integer,"cross"varchar,"date"datetime,"close"double,"low"double,"high"double,"T"integerDEFAULT(NULL),"B"INTEGER)我看不懂,因为我看了When

sqlite : ambiguous column name

我是新手,我尝试在我的数据库上这样做SELECTidFROMimportaINNERJOINimportbONa.id-1=b.idANDb.val=0WHEREa.val=-1Pb:不明确的列名:id我的table:CREATETABLE"import"("id"INTEGERPRIMARYKEYNOTNULL,"id_analyse"integer,"cross"varchar,"date"datetime,"close"double,"low"double,"high"double,"T"integerDEFAULT(NULL),"B"INTEGER)我看不懂,因为我看了When

sqlite - EF7 (Code First) + SQLite 不为模型创建数据库和表

我目前正在尝试重新创建示例,在文档中完成http://ef.readthedocs.org/en/latest/getting-started/uwp.html,使用EF7和SQLite创建通用Windows平台应用。我已经安装了所需的EF7和EF7命令包,并创建了模型和上下文:publicclassBloggingContext:DbContext{publicDbSetBlogs{get;set;}publicDbSetPosts{get;set;}protectedoverridevoidOnConfiguring(DbContextOptionsBuilderoptionsBu

sqlite - EF7 (Code First) + SQLite 不为模型创建数据库和表

我目前正在尝试重新创建示例,在文档中完成http://ef.readthedocs.org/en/latest/getting-started/uwp.html,使用EF7和SQLite创建通用Windows平台应用。我已经安装了所需的EF7和EF7命令包,并创建了模型和上下文:publicclassBloggingContext:DbContext{publicDbSetBlogs{get;set;}publicDbSetPosts{get;set;}protectedoverridevoidOnConfiguring(DbContextOptionsBuilderoptionsBu

Vue 报错: Already included file name ‘××ב differs from file name ‘××ב only in casing.但引入路径是正确的

vue提示Alreadyincludedfilename'.../components/TagsView.vue'differsfromfilename明明引入的文件名和地址都是正确的,但是还是报错误 解决方案一:把文件名的后缀vue去掉 解决方案一:把路径前面的点改成@

java - 安卓 : Table has no column named "variable name" MySql Database error

当我尝试在我的数据库中添加一个新条目时,我遇到了如下所示的错误。我现在搜索了几个小时,但我无法检测到问题所在。任何输入都会很棒!这是来自LogCat的错误。02-2723:02:51.451:E/SQLiteLog(6777):(1)tabledagerhasnocolumnnamedbrutto02-2723:02:51.451:E/SQLiteDatabase(6777):Errorinsertingbrutto=0date=21.03.2013hours=402-2723:02:51.451:E/SQLiteDatabase(6777):android.database.sqli

java - 安卓 : Table has no column named "variable name" MySql Database error

当我尝试在我的数据库中添加一个新条目时,我遇到了如下所示的错误。我现在搜索了几个小时,但我无法检测到问题所在。任何输入都会很棒!这是来自LogCat的错误。02-2723:02:51.451:E/SQLiteLog(6777):(1)tabledagerhasnocolumnnamedbrutto02-2723:02:51.451:E/SQLiteDatabase(6777):Errorinsertingbrutto=0date=21.03.2013hours=402-2723:02:51.451:E/SQLiteDatabase(6777):android.database.sqli