Use Facebook without internet

We can use facebook even without an internet connection.A Singapore based mobile company called U2opia has introduced an application which provides this service through mobile.This world’s first USSD-based Facebook access service.It uses the technique called Unstructured supplementary data (USSD).We can use facebook from a mobile which does not have GPRS facility is the main speciality of this application.But all the features of facebook is not available through this application.We can on read friends posts,comments and can upload our status and comments.We need to send only a message.The company launched this service in India cooperation with Bharati Airtel.

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UNIX : How to get record count from zipped file

Sometimes we may need to get records count from file . For that we can use wc -l , command with file name. In some situation the file will be in compressed format . wc -l will not directly work with zipped files . In this case we can do zcat the file and pipe the word count command with it. Example : Let say we have a file cricketData.dat.gz To get word count from the file use : zcat cricketData.dat.gz | wc -l This will give the record count.

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.

Scala

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

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