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ALTER TABLE `cra_project` DROP COLUMN pid;ALTER TABLE `cra_project` MODIFY COLUMN id BIGINT(20) PRIMARY KEY NOT NULL AUTO_INCREMENT;

public String getLngLat(String address) { address = address.replace("#", ""); address = address.replace("、", ""); address = address.replace("，", ""); StringBuffer json = new StringBuffer(); BufferedReader in = null;...

Mysql5.7 Linux 按教程安装，启动的时候报了标题错误。 教程链接：https://www.cnblogs.com/tianyamoon/p/9484828.html问题描述链接：https://blog.youkuaiyun.com/wgz7747147820/article/details/92784346参考解决教程：https://blog.youkuaiyun.com/Hdu_lc14015312/article/details/104540429...

问题：一个公司旧项目，原本打包编译正常，最近打包控制台出现Java heap space 与GC overhead limit exceeded ，报的java.lang.OutOfMemoryError错误。各种百度谷歌尝试解决： 一、修改eclipse.ini -Xms1024m -Xmx4096m -XX:MaxPermSize=10...