【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上，可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考：https: gitlab kitware com cmake cmake - issues 19693cma...

[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因：eclipse版本太老了，java版本太新了不匹配导致。解决：安装最新的eclipse，地址：https: www eclipse org downloads 参考：https: www eclipse org forums index php t 1...

[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因：eclipse版本太老了，java版本太新了不匹配导致。解决：安装最新的eclipse，地址：https: www eclipse org downloads 参考：https: www eclipse org forums index php t 1...

[解决]Missing Constraint: Bundle-RequiredExecutionEnvironment: J2SE-1.5eclipse-Missing-Constraint原因：eclipse版本太老了，java版本太新了不匹配导致。解决：安装最新的eclipse，地址：https: www eclipse org downloads 参考：https: www eclipse org forums index php t 1...

【解决】Java报错：Implicit super constructor Object() is undefined for default constructor. Must define an explicit constructor1、网上的常规解决步骤：把java的类库加载进去，在工程上右键选择属性 > Java Build Path的Libraries > Add Library选择JRE System Library > ...

【解决】cannot load such file -- rexml/parsers/baseparser解决方法：bundle add rexml webrick参考资料：https: www crosenthal com chrome 2022 08 07 01 html解决方法：在项目的根目录（必须有Gemfile）下执行以下命令 bundle add rexml webrick 参考资料：https://w...

【解决】Python：ModuleNotFoundError: No module named 'ruamel'解决方法：pip3 install ruamel yaml解决方法： pip3 install ruamel.yaml python

解决Scrapy警告:You do not have a working installation of the service_identity module: 'cannot import name opentype'. You-do-not-have-a-working-installation-of-the-service_identity-module使用scrapy进行爬虫项目的操作时，出现如下错误：从提示错误来看，我们需要安装...

解决Scrapy警告:You do not have a working installation of the service_identity module: 'cannot import name opentype'. You-do-not-have-a-working-installation-of-the-service_identity-module使用scrapy进行爬虫项目的操作时，出现如下错误：从提示错误来看，我们需要安装...

【解决】This is allowed only when policy CMP0079 is set to NEW.This-is-allowed-only-when-policy-CMP0079-is-set-to-NEWcmake最低版本设置为3 13以上，可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考：https: gitlab kitware com cmake cmake - issues 19693cma...