Category Archives: Random stuff

Scratch Exercise

Since I’m teaching “Introduction to programming”  with Scratch, I’m going to make a new page called Lectures, and put the exercise we do in class there. I might upload some algorithm schemes with the exercises if I find the free time.

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How to S-OFF and Root your HTC

Once you flash a ROM.. you can’t stop until you find a good one.. and of course root your phone and turn the security lock off. Specially if you are an open source person. Nothing helps you better than a console and a su command! So here’s the adventure of unlocking my HTC Desire (the same can be done on any of the listed phones):

  • HTC Desire (bravo) 0.93.0001, 1.02.0001
  • HTC Desire CDMA (bravoc) 1.06.0000
  • HTC Wildfire (buzz) 1.01.0001
  • HTC Aria (liberty) 1.02.0000
  • HTC Incredible S (vivo) 1.09.0000 and 1.13.0000
  • HTC Droid Incredible 2 (vivow) 0.97.0000 (Gingerbread only!)
  • HTC Desire S (saga) 0.98.0000 and 0.98.0002
  • HTC View (express) 1.09.0000 and 1.13.0000
  • HTC Flyer (flyer) 1.10.0000, 1.11.0003
  • HTC Sensation (pyramid) 1.17.0006, .0008, .0011 and .0012, 1.18.0000
  • HTC Evo 3D (shooter) 1.30.0000 and 1.40.0000
  • HTC EVO 3D GSM (shooteru) 1.49.0007, 1.49.0008
  • HTC Thunderbolt (mecha) 1.04.0000, 1.05.0000
  • HTC EVO 4G (supersonic) 2.15.0001, 2.16.0001
  • HTC myTouch Slide 4G (doubleshot) 1.44.0007

Just for the info, the first is the official name, in the brackets is the codename and the numbers after are the versions of HBOOT supported, which you can see by booting the phone in HTC fastboot mode. On HTC Desire it is done by holding the Volume down key while powering the phone.

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HTC Desire Android 2.3 Upgrade

Busy, busy… last 2 months. No time for writing. Schedule loosened. Figured HTC Desire has Android 2.2.. Decided to upgrade to 2.3. Sadly there is no automated upgrade process. Givin’ it a shot.

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Matlab 7 under Windows 7

If you have trouble installing, switch to “Windows Classic” theme under “Personalization” (should be done automatically). After the installation, we need to setup Matlab to use the newest Java version instead of the supplied one.

  1. Download and install the latest jre version
  2. Go to C:\Program Files\Java (or C:\Program Files (x86)\Java)
  3. Copy the folder name jre6 to <Matlab-installation-dir>\sys\java\jre\win32
  4. Go to <Matlab-installation-dir>sys\java\jre\win32
  5. Open the file named jre.cfg
  6. Instead of (in my case 1.4.2), write 6. Now Matlab will use jre6 instead of jre1.4.2.

Matlab should start now without problems.

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Skype login window disappearance fix

For 2 days, some people are reporting login window disappearances. Happened to me on both my Windows XP and Ubuntu 10.10 machine. The solution is quite the same:

  1. Locate the Skype user settings folder
  2. Delete it

On Linux:

  1. Open terminal
  2. rm -rf /home/username/.Skype

On Windows:

  1. Start -> Run
  2. %appdata%\Skype
  3. Select All (CTRL + A)
  4. Delete

Update (31.05.2011.):

As some people pointed, there is a better solution than deleting the whole Skype user settings folder. Instead, you should only delete the shared.xml file in it.

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