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...]
技术生活
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...]
Learn Vim Progressively
原文在这里 tl;dr: Want to learn vim (the best text editor known to human kind) the fastest way possible. I suggest you a way. Start by learning the minimal to survive, then integrate [more...]
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...]
Resolve “Access denied (java.lang.RuntimePermission createClassLoader)” for WAS
In my current project deploying Insight to WAS, I got the following exception when trying to access Insight: [8/7/11 21:51:09:639 CDT] 00000033 webapp E com.ibm.ws.webcontainer.webapp.WebApp [more...]
About “IBM Rational XML ODBC Driver could not be loaded due to system error 126” when Integrating ClearQuest with Insight
When configuring system DSN, you encounter one of the following errors: The setup routines for the IBM Rational XML ODBC Driver could not be loaded due to system error 126 The following steps could [more...]
About DB2 Catalog
Catalog node/database node: catalog tcpip node <node_name> remote <hostname> server <port_number> databse: catalog database <database_name> as <database_alias> at [more...]
IBM i Is Modern. Windows and UNIX Are Legacy.
原文在这里 Somehow our industry has become known as "legacy." A horrible stigma to overcome, isn't it? But is it justified? Let's think about this for a moment. Our current hardware [more...]