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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

ModuleNotFoundError: No module named ‘cuda‘、‘tensorrt‘

1、ModuleNotFoundError:Nomodulenamed‘cuda’python-mpipinstall--upgradepippipinstallcuda-python2、ModuleNotFoundError:Nomodulenamed‘tensorrt’2.1依赖库先安装两个TensorRT的依赖库python-mpipinstall--upgradepippipinstallnvidia-pyindexpipinstallonnx-graphsurgeon2.2下载TensorRT及CUDA版本环境对应点我进入TensorRT官方下载地址,win下载后得到zip文件Ten

Python报错ModuleNotFoundError: No module named ‘psutil‘

python运行时,因为代码里引入了某些组件库,但是本地没有,便会报错ModuleNotFoundError:Nomodulenamed'XXX',如下图:此图是没有导入psutil库。解决:在python安装目录下的Scripts目录下进入cmd黑窗口,运行命令pipinstallpsutil安装。如果是内网连通公网仓库不方便,则通过如下命令指定内网的镜像源:pipinstall--index-urlhttp://mirrors.pic.com.cn/pypi/web/simple/--trusted-hostmirrors.pic.com.cn--userpsutil或者:pipinsta

Dart flutter httpclient : authorization

我想用一个简单的token执行基本身份验证;如何在flutter中执行此操作?哪个是最好的方法?varresponse=awaithttpClient.post(url,body:{'name':'doodle','color':'blue'});例如以这种方式添加身份验证header是否足够?varresponse=awaithttpClient.post(url,header:{'authorization':'bearer$token','content-type':'application/json'},body:{somebody});我正在使用JWTtoken类型

Dart flutter httpclient : authorization

我想用一个简单的token执行基本身份验证;如何在flutter中执行此操作?哪个是最好的方法?varresponse=awaithttpClient.post(url,body:{'name':'doodle','color':'blue'});例如以这种方式添加身份验证header是否足够?varresponse=awaithttpClient.post(url,header:{'authorization':'bearer$token','content-type':'application/json'},body:{somebody});我正在使用JWTtoken类型

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

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@