Category: Tutorial

XML tutorial in 100 minutes

Time for another tutorial: XML in 100 minutes.

XML today is a vital technology in contemporary organizations, it is widely used to transfer data between applications and other uses.

Knowing XML for today’s IT Gurus is as important as Unix and SQL skills. Many Applications requires XML know-how.

This short guide to XML is only an fast introduction to XML, later tutorials will follow about the individual subjects in XML, like XSLT, SOAP …etc.

The tutorial is available here in PDF, HTML and Adobe-Flash Formats

One of the slides has an overview of XML technologies:

XML at a glance

XML at a glance

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Learn vi in 100 minutes.

If your working environment  has Linux or Unix systems in it, then you must have heard about vi the text editor.

Everything would be just faster if you could edit the text files in shell window with vi, rather than transfer them to a windows with (S)FTP –> Edit with notepad –> transfer back to *NIX.

Thats why I created the “vi tutorial”. find it in my Tutorials page.

The tutorial is available here in PDF, HTML and Adobe-Flash Formats

I recommend you to have a look at the Regular Expressions tutorial also.

This tutorial:

  • Explains the two modes of operations in VI.
  • Explains various commands and shortcut keys for text manipulation.
  • How to search and replace efficiently with regular expressions with vi.
  • Using vi in several work scenarios, for example fixing CR LF windows-to-*nix problem.
  • Explains 3  copy/cut’n’paste techniques possible with vi.
  • How to set up vi properly.

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Learn Regular Expressions in 100 minutes.

Ever been in a situation where you are:

  • Looking for a needle in a haystack ?
  • Looking for a certain tree in the forest?

IT professionals are in such situations all the time when it comes to LOG files.

LOG files in this business are everywhere, in development, in testing and especially in production. You keep looking for error message and extract performance statistics from LOG files !

Well Regular Expressions is there to help you find your needle or tree.  It is a unique way to find TEXT PATTERNS in single lines or paragraphs.

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