EFI

Just when I thought I have got everything sorted out nice, out comes a surprise. Turns out the industry has been stealthily moving away from BIOS towards EFI while I was happily using my old laptop. Result : All my bootable USB drives are no longer supported. Hooray! There goes all ...

rainmeter

I would like to share a software which I have been using over the last year or so. rainmeter is a desktop customization software. It is somewhat similar to the gadgets we are familiar with in windows 7 but rainmeter allows greater customization so you can theme all of them ...

Default printer settings

I have never paid much attention to setting default printer, normally setting it to the most commonly used printer for convenience sake. However, a reason episode made me think twice on whether it is wise. Recently, while using my hybrid laptop in school, a dialog popped up and disappeared almost ...

Problems with FTP

1) No copy feature. There is no way to duplicate the file the file on the server for backup, testing or any other purposes. You have to download the file and upload it to another location, which is quite a hassle especially for large number of files. One would think ...

Hiding compressed files in images

Have been doing this for quite some time, just wanted to share the method. The following code should work on Linux/Mac. Step 1. Zip/Rar/7z your secret file zip hideme.zip s3cr3t Step 2. Append the zip file to a random image file cat hideme.zip > randompic.jpg ...

Hijacking QR codes

Just finished printing my poster for a school project in which contained a QR code for users to download an android app. It was my first time printing out 300dpi@A1 size and thankfully it turned out well (A reprint would have cost $12). Anyway, that is beside the point ...