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Let's Go Retro Now - A RPM Extractor w/ Scripts

Posted 01-23-2012 at 08:10 PM by rainbowsally
Updated 04-05-2012 at 07:44 PM by rainbowsally (Kubuntu no longer has link to experimental/optimization forum on their main page. Can't find the link to the deb package build scripts I once uploaded there.)

[Note to myself: links to kubuntu forum re. deb extraction, rebuilding 2 places appears to be gone. It was in the Experimental section which appears to have been removed. :-( .]

Let's Go Retro Now - A RPM Extractor w/ Scripts

Especially when building retro packages from binary packages, we need to look out for old development files overwriting newer ones.

For deb packages, the process is a bit more complicated, but once you have a set of definitions...
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Old

Simple C: Filling in the blanks - A simple memory allocator/reallocator.

Posted 01-23-2012 at 07:32 AM by rainbowsally

No memdup()? No memcat()? No prob.

Today's Features:
  • Simple C/C++ program and new memdup() and memcat() functions.
  • C macros (spanning lines with backslash) to create 'lenient' aliases.
  • Type casting in C/C++ to override sometimes overly strict syntax checks.
Anyone that has used strdup() or strcat() knows how convenient those are. But when it comes to memory allocation and reallocation for other kinds of data the lack of simple standard mechanisms for this often leads to duplicated...
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Old

KDE Utils: cleanup, hlp

Posted 01-23-2012 at 07:16 AM by rainbowsally
Updated 01-23-2012 at 07:19 AM by rainbowsally

Features:
  • Cleanup old backup files quickly with feedback on operations being done.
  • Outstanding doc viewer that doesn't tie up your terminal.
--------------------
See the link below for the "how and why" to install these as symlinks in your HOME/bin folder. Need functions for 'browse', 'launch', 'tofile'? It's all here.
http://www.linuxquestions.org/questi...-tofile-34376/
--------------------...
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Old

More Mad Computer Science? (Simple multi-threading in a shell script)

Posted 01-20-2012 at 09:02 AM by rainbowsally

Just dropping by? Here's an easy one. And it's kind of fun.

We've already created a launch utility in this blog, but let's create one that works on other folks systems so they don't need to "install" (so to speak) anything to get the benefits of the functionality.

First let's look at the principles involved

Let's read fstab as a normal user. Don't 'su' or 'sudo su' here, because we don't actually want to be able to write to it. Just picking...
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Old

Computer Mad Science: Classic Style KDE Menu (Shows That We CAN...)

Posted 01-20-2012 at 03:35 AM by rainbowsally
Updated 08-06-2014 at 10:36 AM by rainbowsally

Computer Mad Science: Classic Style KDE Menu (Shows That We CAN...)

I don't necessarily think the old menu style is better than the new one, but what if I wanted a screen shot that showed that we can create retro apps and "reto"fit them into the KDE menus, with a proper (and perhaps new) heirarchy so we can run them from either style menu.

First let's take a look at the Science/Mathematics/XMaxima menu as it appears in the old-style menus.

...
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