11 2012 档案

A fatal error has been detected by the Java Runtime Environment(jdk 1.6的一个BUG)

摘要：几天做项目，生成一堆注解的实体，当实体数超过86个时，jvm报错：## A fatal error has been detected by the Java Runtime Environment:## Internal Error (c1_Optimizer.cpp:271), pid=5104, tid=6488# guarantee(x_compare_res != Constant::not_comparable) failed: incomparable constants in IfOp## JRE version: 6.0_35-b10# Java VM: Java Hot.. 阅读全文

posted @ 2012-11-30 13:47 七郎编辑

java/js 分割 java/js翻转

摘要：js分割：var s='我1234567890我1234567890我1234567890我1234567890我1234567890我1234567890',reg=/.{4}/g,rs=s.match(reg);rs.push(s.substring(rs.join('').length));alert(rs)java分割：public static String[] split(String msg, int num) {num = num + 1; int len = msg.length(); if (len <= num) return new 阅读全文

posted @ 2012-11-23 10:30 七郎编辑

openssl 制作证书和签名java方法

摘要：Win32OpenSSL_Light-0_9_8k.exe1. 生成不含密码保护的私钥：openssl genrsa -out private-rsa.key 10242. 生成证书openssl req -new -x509 -key private-rsa.key -days 750 -out public-rsa.cer3. 生成Keystore3.1. 生成PKCS12 格式Keystoreopenssl pkcs12 -export -name test-alias -in public-rsa.cer -inkey private-rsa.key -out 99bill-rsa.p 阅读全文

posted @ 2012-11-16 14:26 七郎编辑