How to format USB or external drive in Ubuntu

If you could find the device on the Launcher, just right-click and select "format". Otherwise, see this....

You can use the disk utility(installed by default) to format the drive. There is an option 'format volume' select that option.

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Ubuntu: Access a usb flash drive from the terminal

1. Find what the drive is called You'll need to know what the drive is called to mount it. To do that fire off: sudo fdisk -l You're looking for a partition that should look something like: /dev/sdb1 . Remember what it's called. 2. Create a mount point Create a new directory in /media so you can mount the drive onto the filesystem: sudo mkdir /media/usb 3. Mount! sudo mount /dev/sdb1 /media/usb When you're done, just fire off: sudo umount /media/usb Source: StackOverflow

Code for Php based online Treasure Hunt

Hello guys. Some time back I organized an online treasure hunt as part of an event at my college. I thought of sharing the code with you, as you might find it useful. So, I uploaded it on github and here is the link to my repository. Download it from here , and enjoy organizing the game

Java: Use BigInteger in for-loop

In my previous post , I mentioned a way to handle large integers by using BigInteger. Now I'm going to provide a very important usage of it. We often use for-loop. So here is the way to use it: Ordinary integers: for(int i = 1; i <= n; i++) { //Task to do } BigInteger: for (BigInteger bi = BigInteger.valueOf(1); bi.compareTo(n) <= 0; bi = bi.add(BigInteger.ONE)) { //Task to do } here n is a BigInteger variable.

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