Adding an external library (.jar file) to an Android project in Eclipse is accomplished by adding the external jars to the Java build path. Here is the step-by-step procedure to do this (in the screenshots for this example I am adding the ZXing core.jar).
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Search and replace multiple files
Here is a very handy little perl command for making a simple edit to multiple files in a directory: perl -pi -e ‘s/search/replace/g;’ .
WordPress Permalinks not working
I’ve had several instances where Permalinks (SEO links) have not immediately worked on new WordPress installations, resulting in “Page Not Found” errors. This is due to a configuration issue in the webserver (Apache, IIS, etc…). The fix is simple but might not be obvious if you aren’t familiar with webserver configuration.





