`
rieei
  • 浏览: 70192 次
  • 性别: Icon_minigender_2
  • 来自: 大连
社区版块
存档分类
最新评论
文章列表

取得客户端真实IP

    博客分类:
  • java
String ip = request.getHeader("x-forwarded-for"); request.getHeader("Proxy-Client-IP"); ip = request.getHeader("WL-Proxy-Client-IP"); ip = request.getRemoteAddr(); //// Enumeration names = request.getHeaderNames(); while(names.hasMoreElements()){ String str = (String) ...
mysql: show processlist
select sum(if(win_user<0,-50,100)) from t; select count(win_user)*-50 from t where win_user < 0; select (count(win_user))*100 from t where win_user >= 0;
gbd 调试main set follow-fork-mode child
tar -zxvf memcached-1.4.15.tar.gz cd memcached ./configure make & make install ./memcached -d -m 512 -p 11211 启动 访问: telnet 192.168.145.128 11211
mysql导入备份,数据量大的时候会导入失败。 在my.ini中加入以下参数即可。 max_allowed_packet = 3000M  (实际值可以根据实际来设置)
项目中需要俩个table列宽要保持一致的情况,尽管每个td都设置了width,试了好多种方法,都会根据列里面的内容微妙的增宽导致对不齐。最后找到这个,设上之后就OK了。 <TABLE  style="table-layout:fixed;"> 其它: nowrap="nowarp" 不换行 style='word-break:break-all;word-wrap:break-word'换行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title> New Document </title> </head> <body> <div style="position:fixed;top:0px;overflow: visible ...
:g/^\s*<.*$/d 意思就是删除空格开头的有<号的那一行 ^开头 \s空格 < .任意字符 $结束符 : g 表示全局搜索替换 :d 删除?
df -h 硬盘大小 du -h --max-depth=1 /home 文件夹大小
#---start memory set---- JAVA_OPTS="-Xms2048M -Xmx2048M -Xmn512M -Xss256k -XX:PermSize=512M" #---end momory set----
lr_start_transaction("test");                                                                                                                                                                                                                                                                      ...

ref

http://stackoverflow.com/questions/2308479/simple-java-https-server
vi /etc/sysconfig/iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 5432 -j ACCEPT 在上面增加这俩行~就相当于开了22 跟5432端口 service iptables restart
SSLContext ssl = xxx; HttpsConfigurator configurator = new HttpsConfigurator(ssl); // 设置发布路径等 httpsServer = HttpsServer.create(new InetSocketAddress("127.0.0.1", 8080),200); httpsServer.setHttpsConfigurator(configurator); HttpContext httpContext = httpsServer.createConte ...
Global site tag (gtag.js) - Google Analytics