first Install OpenJDK 8 JDKTo install OpenJDK 8 JDK using yum, run this command:sudo yum install java-1.8.0-openjdk-devel1.ps aux | grep solr to get solr process ID2.sudo kill <ID>, is the ID you found from 13.rm -rvf <path/to/solr> remov...
XanderCheung
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修改.bashrc文件vim ~/.bashrc添加：alias homels='cd /home/;ls':wq保存输入homels就相当于执行了两条命令cd /home/ls
XanderCheung
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datetime 类型在mysql中默认精度只到秒解决⽅法如下在Rails 4.2的Release Notes有下⾯⼀句话：Added support for fractional seconds for MySQL 5.6 and above可以看出Rails 4.2已经⽀持⽇期精度功能，关于mysql...
XanderCheung
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1.Gemfile增加gem 'exception_notification'2.新增 lib/exception_notifier/database_notifier.rb# coding: utf-8 # 异常通知 module ExceptionNotifier class DatabaseNotifier def initialize(_options) # do something with the optio...
XanderCheung
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将gem指定gem ‘lazy_high_charts’, :git => ‘git://github.com/lamoglia/lazy_high_charts.git’解决地址
XanderCheung
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1.下载linux版本的jdk tomcat maven的压缩版本我下载的是：jdk-7u80-linux-x64.tar.gzapache-maven-3.5.3-bin.tar.gzapache-tomcat-7.0.85.tar.gz解压的路径分别是/home/jdk1.7.0_80/home/apache-maven-3.5.3/home/apache-tomcat-7.0...
XanderCheung
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众所周知，喵星人的好奇心估计是所有宠物当中最强的，它们不仅对主人的生活饮食方面感到好奇，感觉家里的所有东西都能勾起它们的兴趣，虽然这点偶尔能让它们“无意间”发现...
XanderCheung
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