Tony – Page 15

Removing moiré patterns using GIMP

A moiré pattern typically occurs when you scan a printed picture and then view or print out that scan. The above picture is a classic example. This discusses how to use GIMP to remove, or mostly remove from your scan, the typical underlying cause of moiré patterns. The process we are going to use is… read more…
Deleting and moving deep paths in Windows

The Problem Windows and even Windows 7, have a problem with paths that are over 260 characters. Basically DOS or command line and Windows Explorer can’t deal with paths this long. The thing is the problem is not about Windows API, the basic components of Windows, but about the programs that run in Windows. An… read more…
HP Compaq dc7700 Small Form Factor

Summary The HP small form factor PC is a good choice for a fairly quiet media front end. I was able to put a fanless NVidia video card in it and its been pretty good. Ports/Slots PS2 Mouse and keyboard USB 8 SVGA Yes Modem None Ethernet 1 x Serial 1 x Parallel 1 x… read more…
Transparent header on image background

What I am talking about is the site logo at the top of all pages, in our case the word “ZOYINC” at the top of this site; I struggled to get this working with Weaver II 1.2.7 theme with WordPress 3.5.0. In my case I have the header as “ZoyincTxtTransparent2.png” which looks like: Firstly you… read more…
Resetting a PostgreSQL root password

Recently I upgraded to the latest Postgres version. I had a number of pain points doing this including not being able to start the DBs because the version upgrade was too big – had to export from old version and import to new. But one of the problems was that for some reason my password… read more…
How to get the mod_jk connector for Apache

If you want to run Tomcat from behind Apache as many people do then you need to find a method of sending requests from Apache to Tomcat. One of the popular mechanisms is to use “mod_jk”. The problem is that Apache or httpd does not generally come with mod_jk. I had this problem when I… read more…
Upgrading from Fedora 14 to 18

This post is about the upgrade process I followed to upgrade a VM from Fedora 14 to Fedora 18. I had struggled with this in the past but managed to get it working now. It probably helped that some time had passed and I did more research. As it transpired the upgrade from F14 to… read more…
The case for FLAC

Often the pursuit of having our music collections accessible wherever we happen to be begins with digitising cds. For many this transformation begins with iTunes or Media Player, either way the result is a digital collection in one file format or another. If you live in an Apple universe and just want it done quickly… read more…
Problems with single quotes, JSP and PostgreSQL

I have a small web app that updates various PostgreSQL tables. I recently updated from Fedora 14 to Fedora 18 and as a result PostgreSQL was updated and I expect JDK as well. All of a sudden I notice I couldn’t update rows which contained strings when the strings had single quotes in them. I… read more…
Apache Directory Studio

I recently started playing with OpenLDAP and as a consequence went on the search for a LDAP client. I had been using the Softerra LDAP browser several years ago and it seemed to do what I want but I now see the free version is somewhat limited so I went looking. I found the Apache… read more…