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IBM AS400 DB2 Catalog Views

Posted 11-29-2012 at 08:57 AM by NullTerminator

Various objects are available to query the underlying meta data.
select * from qsys2.sysviews where view_owner ='xyz' and TABLE_NAME = 'tab1'
select * from qsys2.systables where table_owner ='xyz' and TABLE_NAME NOT LIKE 'SYS%'

-- Stored Procedures, SIMILAR RESULTS from sysroutines
select * from qsys2.sysprocs where routine_schema ='xyz' and ROUTINE_NAME NOT LIKE 'SYS%'

Other catalog views
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antlr notes and rants

Posted 11-26-2012 at 07:31 AM by NullTerminator
Updated 04-13-2013 at 11:25 AM by NullTerminator

Collecting some refs and thoughts on antlr, parser, tree walker, grammar, etc

Escape Characters:
Short article at antlr-interest

useful command line args java org.antlr.Tool
-trace - generate a parser with some tracing statements
-debug - generates a parser that emits debugging information
-profile, hmmmm
-print or -report prints out the grammar

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Android OCR notes

Posted 11-22-2012 at 03:28 PM by NullTerminator
Updated 11-22-2012 at 06:35 PM by NullTerminator

Looking into writing an android app that can scan some simple test and process it. Some solutions require installation of the android ndk in addition to the sdk. The native development kit (ndk) allows you to compile languages like C++ into a native .so library.

The ndk is required to get a shared library build for the Tesseract OCR engine. ref: tesseract ocr project at You may be able to find prebuilt binaries if lucky. You'll need the GCC compiler and cygwin to...
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Eclipse And Perl

Posted 11-17-2012 at 09:06 AM by NullTerminator
Updated 11-17-2012 at 01:34 PM by NullTerminator

Notes from past installation. May be incomplete
Performed onb eclipse helios 3.6 and Indigo 3.7
ActiveState perl.

Add paddwalker to perl
ppm install padwalker

Download site (I think this is the epic-ide site for eclipse)
Extract locally. Capture the site folder name

Go to eclipse Help | Install New Software | Add Site, Provide local Path

You might be able to have eclipse install it directly using the following...
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