I have a collection of video tutorials split into multiple sections and multiple clips in each section. I wanted to merge the files to one, so I can upload and download from services like Google Drive & Dropbox.

Recently a client shared updated requirement document, unfortunately the document was in PDF and I don’t want to go through 60+ pages of document for changes.

I have used this command sparingly in the past and I recently learnt more options by solving couple of my problems. I really don’t know whether grep is the right choice here, but hey! it worked :-)

If you want to quickly disable internet/networking to test offline features. Doing it frequently with System preferences GUI is quite a slow workflow.

Recently I was in need of generating sample images for no. of products in my db. I really hate to create a copy of image for each products in my db.