Category: tech

Copy files with tar, this preserves time/date stamps and permissions nicely. tar cf – * | ( cd /target; tar xfp -) Backup and a restore a mySql database: mysqldump -u username -ppassword database_name > FILE.sql mysql -u username -ppassword database_name < FILE.sql Or, perhaps you want to move a bunch of mysql databases from…

Synergy is a great program that let’s you share one keyboard and mouse across multiple computers. I’m using it to connect a mac to a PC. I wanted the synergy server to be running on my mac automatically every time I login. This feature is a button-click in the gui version on the PC but…

I’ve been very happy with my transition from Powerpoint to Keynote…particularly when dealing with lots of movies in a presentation. One feature I was suprised to find missing in keynote is a “click to play” option on an imbedded movie. For some reason, keynote doesn’t have that option built-in. I found a decent workaround:

I’ve been using “vi” (a popular unix text editor) for about 15 years. Today I learned something important. Vi has bookmarks that can be used for doing stuff with blocks of text easily.

I’ve been using Markdown Extra for formatting posts and pages for a new site I’m working on. Since I want the back-end editing to be as simple as possible, I wanted to remove the “two spaces at the end of the line” requirement when the user simply wants to insert a line break. The change…

Google has announced today on their official blog that they are starting a pilot program to digitize the National Archives’ video content. They posted a few example links including the first Apollo Moon landing. I was impressed to see that the quality of the footage was better than most of the other videos I have…

Tip 1: Hover over any thumbnail and hit Ctrl-Alt. It will instantly fill the screen with the high resolution image. Tip 2: Hit Ctrl-L and your web browser will pop up connected to a web version of Picasa2. You’ll get some funny looking URL like this: http://localhost:1606/2325d8afb4426bbca5ba8cf7afbb20db/ You can easily browse the images and do…

Many websites work with either “www.mysite.com” or “mysite.com”. Google doesn’t like that since it looks like two sites–sometimes they might penalize you for it. From their guidelines page: Don’t create multiple pages, subdomains, or domains with substantially duplicate content. Here’s an excerpt from my .htaccess file that rewrites the URLs without the “www.” to include…