Category Archives: Programming

Programming – C/C++, Java, Ksh, Python, ML

MySQL – cheat table

Posted on August 22, 2012 by daveti

The first book I have read about SQL is Ben Forta’s ‘MySQL Crash Course’. I like Ben’s writing style where each chapter only contains few but important things worth doing hands-on trial and remembering. Generally, below is some notes after … Continue reading →

Posted in Programming | Tagged | Leave a comment

REPRINT: How to Write Scripts for Oracle Solaris with the Korn Shell

Posted on August 7, 2012 by daveti

Original post: http://www.oracle.com/technetwork/articles/servers-storage-dev/kornshell-1523970.html?sc=APACOU12014452MPP001C017 REPRINT: How to Write Scripts for Oracle Solaris with the Korn Shell by Ken Gottry, originally published August 2001 The basics of creating, executing, testing, and launching scripts to control Oracle Solaris with a Korn shell.  Includes … Continue reading →

Posted in Programming | Tagged , | Leave a comment

bind() error 0x63 – Cannot assign requested address

Posted on July 3, 2012 by daveti

Recently encountered a bind() error 0x63 – cannot assign requested address. After some effort on debugging, I list 2 possibilities here for reference when handling such this error code from bind().  Generally, if it is related with bad socket close/cleanup, … Continue reading →

Posted in Programming | Tagged , , , | Leave a comment

gprof and dot – some hints using gprof, gprof2dot and dot

Posted on June 21, 2012 by daveti

Recently done a performance tuning using gprof, gprof2dot and dot. While there are already a lot of webs talking about them respectively or generally. This post is trying to provide some hints from my real experience, as well as some … Continue reading →

Posted in IDE_Make, Programming, Stuff about Compiler | Tagged , , | Leave a comment

A bad include in C – why static code analysis is needed for modern C/C++ projects

Posted on June 15, 2012 by daveti

We have already had a long discussion and argument for ‘include’ mechanism in C/C++, no matter good or bad, and this is not my intention here. I am writing this post to show a confusing compiler error we have recently … Continue reading →

Posted in Programming, Static Code Analysis, Stuff about Compiler | Tagged , , | Leave a comment

csve – csv file evolver

Posted on May 19, 2012 by daveti

Csv file, short for Comma Separated Version file, is usually a easy and common way to record [field:value] in multiple lines with all fields and values separated by comma, which is the basic data file of Microsoft Excel, as well … Continue reading →

Posted in Dave's Tools, Programming | Tagged , , | Leave a comment

cccmt – Coverity code complexity metrics tool

Posted on April 21, 2012 by daveti

cccmt is used to parse the METRICS.errors.xml generated by cov-analyze of Coverity to produce a Code Complexity Metrics (CCM) report of different functions. SAX is used to parse XML file instead of DOM as the XML file may be very … Continue reading →

Posted in Dave's Tools, Programming, Static Code Analysis | Tagged , , , , , , | Leave a comment

itevad – How to write your own protocol and its stack – part 9

Posted on April 20, 2012 by daveti

Previous_Part_8 Now we are moving to the last post of ‘itevad’ – writing a stack for decoding text format of Itevad Protocol using Flex and Bison as well as C as a main function. Being different with previous Flex and … Continue reading →

Posted in Dave's Tools, H.248/MEGACO/EGCP, Programming, Stuff about Compiler | Tagged , , | Leave a comment

itevad – How to write your own protocol and its stack – part 8

Posted on April 20, 2012 by daveti

Previous_Part_7 After writing a Flex standalone lexer, we are going to make it a little bit useful – adding parser, Bison. When Flex and Bison work together, standalone flex file needs some changes to cooperate with Bison, as you will … Continue reading →

Posted in Dave's Tools, H.248/MEGACO/EGCP, Programming, Stuff about Compiler | Tagged , , | Leave a comment

itevad – How to write your own protocol and its stack – part 7

Posted on April 19, 2012 by daveti

Previous_Part_6 From this post, we will have to learn Flex and Bison, which are assumed to have very bizarre grammars to write and understand. Fortunately, we will step forwardly from Flex standalone, Flex+Bison and Flex+Bison+C finally. Please kindly note that … Continue reading →

Posted in Dave's Tools, H.248/MEGACO/EGCP, Programming, Stuff about Compiler | Tagged , , | Leave a comment