Weijian's Technical Notes

FindBugs uses static analysis to look for bugs in Java code. ANTLR IDE provides support for ANTLR parser generator.

Let 1 be a 32 bit integer in Java, what should 1<<32 be? 0? Because the "1" bit will be shifted to the far left? In fact, it...

DSL , domain-specific language , or simply our very own language intended to solve our own specific problem, may not be limited to a program...

It is a must to use Tcpdump (to capture) and/or Wireshark (to analyse) to verify protocol implementation when doing TCP / IP network pr...

tcpdump is the standard packet capturing facility available on most Linux systems, which is based on command line. Wireshark , formerly cal...