使用Spring LDAP ODM操作LDAP
Spring Source真的是个很神奇的开源社区，从《J2EE without [more...]
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祝贺：发布《Java虚拟机规范 （Java SE 7 中文版）》
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X and XX Usgaes for Java
-X-Xmixed mixed mode execution (default)-Xint interpreted mode execution only-Xbootclasspath:<directories and zip/jar files separated by ;> set search path for bootstrap [more...]
Differences Among Greedy, Reluctant, and Possessive Quantifiers (for RexExp in Java)
There are subtle differences among greedy, reluctant, and possessive quantifiers.Greedy quantifiers are considered "greedy" because they force the matcher to read in, or eat, the entire input [more...]
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Don’t Use Java 7, For Anything [zz]
From here. Shit happens, Oracle wanna risk the fame of Java?! Java 7 GA was released today, but as noted by Uwe Schindler, there are some very frightening bugs in HotSpot Loop optimizations [more...]
有关Character.isLetter()和Character.isLetterOrDigit()
在项目中有时候可能需要判断输入的是否全是英文或数字，如果你不善于使用正则，JDK中提供了Character类对字符进行操作，其中的 [more...]
误区！double类型做加减法不会有误差？
如果你跟我一样以为Java的double类型只有在作乘除法时才会出现误差，那试一下在Java里执行一下下面的代码：public static void main(String[] args) { System.out.println(44.42 + 710.79 + 44.42 + [more...]