Smartphone displays : Super AMOLED

The Super AMOLED an enhanced type of AMOLED(Active matrix OLED).It gives better reproduction and brighter,sharper images.Here the touch screen is built on display itself .In other types such as capacitive screens the sensors are built on as as a seperate layer.This make super AMOLED one of the thinnest display type in the world.Google Nexus use this type screen.

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UNIX : How to ignore lines with certain names

Sometimes we need to ignore multiple lines with certain words and get the list out of the file. usually it will be a log file to read . The below grep command can be used to ignore multiple words present in a text file. Lets say the file contain $ cat list.txt apple orange apple banana papaya Now we need to ignore line with orange , banana and papaya . So we can use the below grep command. $ cat list.txt | grep -Ev "orange|banana|papaya" apple apple It will ignore lines with the words in -v part of grep.

Python : How to create your own module in python

Python modules are easy to create and imported in to your python program. How to create a module? The python program itself can be called as a python module. All the function which you find that can be grouped together can be put into the file. Here a simple example to print the text on display is used and called as techinfotalks. #!/usr/bin/python # Python Module def func_hi(): print "Welcome to the module" #End How to use the module in program? You just import the module created by calling the import.After that directly call the function which ever you need.The module named techinfotalks is imported as named as ti. #!/usr/bin/python import techinfotalks as ti print "Calling funcion in module" ti.func_hi() #End of program

Scala

Scala is a object oriented functional type programing language. All variables declared in scala is considered as objects.

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