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原创 Solved: java.net.ConnectException: Connection refused: connect
After installing tomcat and setting variable and path in the environment variables, running "startup.bat" will enable access to "localhost:8080).The issue was encountered after settingup the manager and admin account at "./conf/tomcat-users.xml".The.
2022-04-07 14:35:27
623
原创 [已解决] 安装Anaconda后准备更新时报错 An HTTP error occurred when trying to retrieve this URL.
1.找到“.condarc”文件 (位置:C:\Users\用户名)2.用Notepad++打开 ".condarc"文件并删除内部所有代码3.打开“Anaconda Prompt”,输入下面两行代码: a.conda config --add channels https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/ b.config --set show_channel_urls yes...
2021-08-06 17:17:10
860
原创 (已解决) Mac版 R语言 – 解决含中文的csv文件打开报错 - invalid multibyte string
(已解决) Mac版 R语言 – 解决含中文的csv文件打开报错 - invalid multibyte stringR语言 - 导入含中文标题的csv文件Mac版 R语言,打开有中文标题的csv文件时,遇到如下报错:“Error in make.names(col.names, unique = TRUE) : invalid multibyte string”解决方法:在Excel上建立一个新表格 (Workbook),然后在“文件”里选择“导入” (File -> import);
2021-01-13 13:12:23
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On the Fly Learning in a Perpetual Learning Machine.pdf
2021-01-13
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