草庐IT

【异常】JDK21报错NoSuchFieldError: Class com.sun.tools.javac.tree.JCTree$JCImport does not have member fie

【异常】JDK21报错NoSuchFieldError:Classcom.sun.tools.javac.tree.JCTree$JCImportdoesnothavememberfiejava:java.lang.NoSuchFieldError:Classcom.sun.tools.javac.tree.JCTree$JCImportdoesnothavememberfield'com.sun.tools.javac.tree.JCTreequalid' lombok版本兼容性的问题更新新版 lombok即可org.projectlomboklombok1.18.30

node.js - 蒙哥错误: must have $meta projection for all $meta sort keys using Mongo DB Native NodeJS Driver

直接在MongoDB上运行以下文本搜索不会产生任何问题:db.getCollection('schools').find({$text:{$search:'somequerystring',$caseSensitive:false,$diacriticSensitive:true}},{score:{$meta:"textScore"}}).sort({score:{$meta:"textScore"}})然而,当尝试使用nativeNodeJSdriver运行相同的查询时:functiongetSchools(filter){returnnewPromise(function(res

【ES】[ignore_throttled] parameter is deprecated because frozen indices have been deprecated. Consider

在使用spring-boot-starter-data-elasticsearch 判断索引是否存在时日志返回 warnings :[ignore_throttled]parameterisdeprecatedbecausefrozenindiceshavebeendeprecated.Considercoldorfrozentiersinplaceoffrozenindices.[ignore_throttled]参数已被弃用,因为冻结索引已被弃用。考虑用冷层或冻结层代替冻结指数。引入的maven包org.springframework.bootspring-boot-starter-dat

MongoDB ODM 索引 : How to Index multiple Compound index on a documnt that have EmbeddedDocument in itself?

我有这个类(class):/***@ODM\Document*@Indexes({*@Index(keys={"status"="asc","regDate"="desc","expDate"="asc","isFeatured"="asc"}),*@Index(keys={"status"="asc","visits.total"="asc","visists.today"="asc"}),*@Index(keys={"status"="asc","price.value"="asc","regDate"="asc"})*})*/classProduct{/***@ODM\Date*

transformer 4 RuntimeError: Expected tensor for argument #1 ‘indices‘ to have scalar type Long

        在使用transformer4.0时,报错误提示RuntimeError:Expectedtensorforargument#1'indices'tohavescalartypeLong;butgottorch.IntTensorinstead(whilecheckingargumentsforembedding)。该问题主要时由于tensor的类型导致的,解决方法是在相应报错行的前一行对数据类型进行转换。假设输入数据为x,那么增加行为“x =torch.tensor(x).to(torch.int64)”。        如果修改之后仍然出现该错误,并且发生错误的位置发生变化

mongodb - mLab 连接错误 : Database name cannot have reserved characters for mongodb://

我在运行mLab命令以通过mongoshell连接时遇到mongoDB连接错误。使用下面的mLab命令在Windowsgitbash终端下运行。我没有为数据库名称使用任何保留字符,基本上只是一个小写字符串。有什么想法吗?使用mongoshell连接:mongods237967.mlab.com:37967/-u-pconnectingto:mongodb://:27017/ds237967.mlab.com%3A379672018-01-01T00:20:45.371-0800EQUERY[thread1]Error:Databasenamecannothavereservedchar

python - Django mongonaut : 'You do not have permissions to access this content.'

我从这里得到了示例简单的Django+Mongoengine应用程序https://github.com/sneawo/django_mongo_test这是在Mongodb中存储帖子的简单博客应用程序。现在我想要管理界面,为此我找到了django-mongonauthttp://django-mongonaut.readthedocs.org/en/latest/installation.html我通过了所有安装说明,但在尝试访问localhost:8000/mongonaut/时我仍然看到您没有访问此内容的权限。什么是最糟糕的是-没有任何登录表单。这是我的mongoadmin.py

mysql - 编程错误 : 1064 (42000): You have an error in your SQL syntax; Unable to create table using foreign key

我是mysql-python的新手,引用this.以下是我的查询-TABLES['doctor_details']=("CREATETABLE`doctor_details`(""`dr_id`bigintNOTNULLAUTO_INCREMENT,""`doctor_link`varchar(40),""`doctor_name`varchar(40)NOTNULL,""`doctor_exp_years`float,""`doctor_qualification`varchar(40),""`doctor_phone_no`varchar(15),""`doctor_city`va

mysql - GROUP BY + HAVING 忽略行

基本上我想要的是我可以选择所有具有记录保持者和最佳时间的比赛记录。我查找了类似的查询,并设法找到了3个比其他查询更快的查询。问题是它完全忽略了userid2拥有记录的种族。这些是我的表、索引和一些示例数据:CREATETABLE`races`(`raceid`smallint(5)unsignedNOTNULLAUTO_INCREMENT,`name`varchar(20)NOTNULL,PRIMARYKEY(`raceid`),UNIQUEKEY`name`(`name`))ENGINE=InnoDBDEFAULTCHARSET=latin1;CREATETABLE`users`(`

mysql - mysql 5.5 中 'having clause' 中的未知列

我尝试运行一个查询:SELECT`doctors`.*,(SELECTGROUP_CONCAT(`areas`.`areaName`SEPARATOR',')FROM`areas_has_doctors`INNERJOIN`areas`ON`areas`.`areaId`=`areas_has_doctors`.`areaId`WHERE`areas_has_doctors`.`doctorId`=`doctors`.`doctorId`)as`areas`,(SELECTGROUP_CONCAT(`areas`.`areaId`)FROM`areas_has_doctors`INNE