After upgrading the RAM on your Windows XP or Windows Vista computer (laptops and desktops) you should review your performance settings. The primary concern will be your pagefile.sys size to make sure it matches or exceeds the amount of RAM you have in the computer. For those of us that are familiar with Linux more…
These are the steps to resetting error codes on the iR5570/iR6570 and other ImageRunner printers. This also refers to eCopy, so follow the additional steps if you have the eCopy setup. The most common errors that I get are from power outages, sometimes after an outage the printer will not reboot correctly and will be…
Some quick explanations on designing scalable databases (thanks to Jon Sime of the PostgreSQL mailing list and Media Matters for America) Horizontal vs Vertical scaling Horizontal scaling is merely a general concept which, in its simplest form, means “adding more nodes” as opposed to vertical scaling which (very roughly) means making an individual node as…
Using Railroad and Graphviz Blog update (10/22/2007): Thanks to the comment posted by Blog de Kilgore, I tried Railroad (instead of using the below method with starUML) to visualize my RoR app. Very easy to setup and use (see examples on web page). Here’s a quick command to create a .png graphic file of your…
Here are the ones I tried. Hope the comments aren’t too confusing Simple Rails Log Query Analyzer Ran ruby bin/query_log_analyzer.rb ../log/production.log production.log.1 (small log file ~25MB) Just printed the “Totals” heading with no results production.log (large log file ~400MB) Ran for a long time and nothing happened
After purchasing a wildcard SSL certificate I was hoping to be able to redirect all traffic from http://example.com to https://www.example.com. There were two main goals which were to redirect all traffic to www.example.com and to require HTTPS. There is one flaw with this plan as it requires two valid certificates to work 100% of the…
This is a mini how to that shows how to edit svn:externals from a UNIX shell or from TortoiseSVN on Windows. Follow the simple directions below to modify the svn:externals and commit to your SVN repository. I performed the below two sets of steps on CentOS 5.2 for the Linux steps and on Windows XP Service…
Notepad++ is an upgraded notepad application that provides a lot of functionality past the typical notepad application in Windows. Not only does it provide a tab system to view multiple files easily at the same time but it provides functionality to open and edit many more file types. To add spellcheck to Notepad++ you will…
I changed the system board on my Dell Latitude D420 because of the on-board Ethernet port only working some of the time. After replacing the system board it is required to enable TPM again and activate it for Windows login. First you will need to enable TPM in the BIOS.