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For 2021 - online Python 3 training - see ((here)).

Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7.
We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.

Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc.
Disassembling Python and Java - previously compiled code

Most modern languages translate the source code you give into an intermediate byte code prior to it being run, and in can sometimes be useful and instructive to reverse engineer the code to help to understand what's going on within the more arcane elements of the language. Some languages actually provide tools to help you ...

In Python, the dis (for disassemble) module provides the functionality - see [here] for an example. In java, the javap utility with a -c option does the job for you. For Lua, disassembers such as luadec are available third party, and it gets very interesting with PHP, Ruby and Perl, assuming you even have the compiled code available.
(written 2011-01-29, updated 2011-02-10)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y150 - Python Development Tools and Environments
  [316] Development Environments - (2005-05-19)
  [745] Python modules. The distribution, The Cheese Shop and the Vaults of Parnassus. - (2006-06-05)
  [2123] Using Python with OpenOffice - (2009-04-09)
  [2370] C++, Python, and other training - do we use an IDE - (2009-08-21)
  [2452] Making executable binaries in Python (or Perl) - (2009-10-12)

A502 - Web Application Deployment - Java - Basic Tools
  [754] tar, jar, war, ear, sar files - (2006-06-10)
  [1082] Straight from the .jar - (2007-02-16)
  [1192] What are WEB-INF and META-INF directories? - (2007-05-18)
  [1562] Java Compiler - needs all classes, compiles them all too - (2008-03-03)
  [1771] More HowTo diagrams - MySQL, Tomcat and Java - (2008-08-24)
  [1909] javax.servlet cannot be resolved - how to solve - (2008-11-26)
  [2153] Class Loading and Variable Conversion in Java - (2009-05-02)
  [2422] Looking inside Java classes - javap and javadoc - (2009-09-25)
  [2859] Using java, javac, jar, and CLASSPATH - a simple example - (2010-07-07)
  [3819] Packing a tar, jar or war file - best practise - (2012-07-26)
  [4412] Java -making sure you have the right versions - (2015-02-02)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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