This FREE site is dedicated to all professional programmers trying to write clear structured code, network their pc's and, in some cases, deal with web site issues.
We have free source code, free samples, free tips and techniques, free utilities, free sample test questions and answers, free downloads, free books and manuals, free examples.
You do...
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Stopping Website Visitor Comment Spam. (ex: wordpress)
IF you have a blog and want visitors to easily add a comment to an item, you will also get spam - lots of it - unless you, traditionally, forced visitors to create a login before...
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.htaccess files (or "distributed configuration files") allow you to do many different things, ... commonly, to have your own custom 404 error pages, to redirect pages, and to enhance security. (for security, see Internet Security
Note 1: Unix used .filename extensions before Microsloth...
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Neither the best passwords, nor .htaccess, nor php.ini files, nor a super-helpful hosting co., will protect your web site if your pc is infected with a key-stroke-logger sending crooks your every id and password...
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April 2010
IBM Rational Developer for i (renamed in 2008 from WDSc), has been withdrawn from market and is replaced by the Rational Developer for Power Systems Software – RPG and COBOL Development Tools for...
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"The function, get_defined_vars(), returns a multidimensional array containing a list of all defined variables at that location in your program."
To get ALL variables, list ALL variables, display ALL variables, in memory and available at...
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The Internet is converging on UTF-8 for a common / universal character encoding.
Set your apache environment to utf-8 by adding 'AddDefaultCharset utf-8' to your .htaccess. If you do not...
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This little script is to convert a number, an integer, to words. It has an upper limit of 999,999,999 but you can expand or reduce it from there.
It also demonstrates the new php5...
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It is possible for a hacker to enter the following seemingly innocuous text into the UserName textbox to gain entry to the system without having to know a valid user name and password:
' Or...
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Just for the fun of it: (found this a long time ago) Hope you enjoy it also!
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There are some problems with WordPress which can be easy to fix if someone would just tell you how. Some issues involve portability: when you change internet hosting providers, and when you have...
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Sample introductory Object Oriented Programming code in
php, java, and C++ showing the similarities and differences.
Never-the-less, OOP, despite all the bragging we hear about it, is a lot more expensive to write...
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Using IBM's WDSC/Rdi, ("WebSphere Development Studio Client") you can use your Task View Window to mark places that you need to update code. This is a very handy Feature!
You create create a...
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I have mentioned Visual Explain before, but thought I would show more details…
Recently, I had several people ask me for more details on the power of "Visual Explain"
I *think* this option has been around...
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What a Lifelong DB2 Fanatic Sees in MySQL
Published: February 3, 2010
by Susan Gantner
In my mind, you can't beat our database. It's not only integrated into the operating system, it's also incredibly flexible. You...
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In RPG, there is a subtle but important difference between the VARYING keyword that is used to assign a variable-length attribute to a character field and the OPTIONS(*VARSIZE) keyword that is used to permit...
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INNER JOIN and , (comma) are equivalent in the absence of a join condition
and "JOIN" is defined to be equivalent to an "INNER JOIN"
Examples:
SELECT * FROM customer AS c,
...
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Activation Groups
Creating RPG programs out of modules, is a two-step process: This includes CRTRPGMOD (Create RPG...
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Binding ( or Linking ) "service programs" (*SRVPGM).
The CRTPGM command is used to combine one or more *MODULEs into a *PGM, while CRTSRVPGM is used to combine one or more...
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SubProcedures can return a value like a function, and they support recursion.
A program with a subprocedure will not run in the default activation group, so include an H-spec to force it to run in...
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The MOVEA (move with array) operation code may not be supported in Free Format, but that doesn't stop Bob Cozzi, or us, from making it work anyway - in his Jan 12th, "Tuesday Tip"...
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free-format RPG:
The only two lines of code that must start in a specific position are the compiler directives /FREE and /END-FREE, which begin in column 7. The lines in between can use any columns...
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UNIX TIME
example: start = (1196440219) 2007-11-30 10:30:19
FROM_UNIXTIME(start)
UNIX_TIMESTAMP() = NOW
ex:
SET start = UNIX_TIMESTAMP()
...
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RPG-ILE - RPG-IV
Quiz offered in 2007 to co's and agencies for technical testing of their RPG programmer job applicants.
If you have been in an interview recently and were asked a question...
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"Looking through the Windows : The Internet Explorer threat - Jan 20, 2010
There has been a huge amount of media regarding the current security concerns, of using Internet Explorer as a browser on your machine." - this time, due to a “highly sophisticated” and coordinated hack attack originated from China |
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