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Welcome to Lorenz's Blog, here you can find usefull tutorials and tips on software and web programming. Read more

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Two Most Useful Features on Android 4.2.2
Two Most Useful Features on Android 4.2.2
Posted by lorenz on 03 1st, 2013 | no responses
Google has released its latest version of Android OS several weeks ago, Android Jelly Bean 4.2.2. This new update has no significant changes, only few new...
Update Java 7 to Fix Slow and Freezing in Mac OS X 10.7.5
Update Java 7 to Fix Slow and Freezing in Mac OS X 10.7.5
Posted by lorenz on 01 29th, 2013 | no responses
I recently updated my early 2011 MacBook Pro to Mac OS X 10.7.5. The new update (combo ~2GB) took hours of download in my slow connection. I was happy when the...
How to Programmatically Show and Hide Soft Keyboard in Android
How to Programmatically Show and Hide Soft Keyboard in Android
Posted by lorenz on 01 29th, 2013 | 2 responses
In Android, soft keyboard will be shown automatically when we launch an activity that contains a focusable EditText widget. But in some cases, we need to show...
Grab Full-time Entertainment via iPod Nano
Grab Full-time Entertainment via iPod Nano
Posted by lorenz on 10 8th, 2012 | one response
Did you check colorful iPod Nano from the house of Apple? It is an iDevice which is designed to add full-time entertainment and fun into your life. All people...
Sample Code to Get MD5 Checksum of a File in Android
Sample Code to Get MD5 Checksum of a File in Android
Posted by lorenz on 09 11th, 2012 | no responses
When downloading a file over internet, the uploader usually provides an MD5 checksum for the file to ensure the integrity of the file. MD5 checksum (message...
How to Use Multi-User Feature in Android Jelly Bean
How to Use Multi-User Feature in Android Jelly Bean
Posted by lorenz on 08 21st, 2012 | one response
Have you ever imagine multi user account feature found in desktop operating system (Windows, Mac, Linux) that enable you to login using different user account...
How to Root Galaxy Nexus Jelly Bean with SuperSU
How to Root Galaxy Nexus Jelly Bean with SuperSU
Posted by lorenz on 08 21st, 2012 | no responses
Android 4.1.1 aka Jelly Bean is the latest version of Android OS that makes us impressed with its outstanding performance in UI experience that makes UI very...
How to Manually Update GSM Nexus S to Android Jelly Bean (Android 4.1.1)
How to Manually Update GSM Nexus S to Android Jelly Bean (Android 4.1.1)
Posted by lorenz on 07 30th, 2012 | no responses
This tutorial might be the copy of my previous tutorial on how to manually update Nexus S to Android ICS 4.0.4 but with different Android version..the latest...
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