Technology

qmake: command not found…

I have started to learn QT and when I tried to compile my first practice program. I could not. qmake was missing. It was a silly oversight on my part or too late into the night. Nevertheless I am sure I am not the only one and someone might find Read more…

Technology

AWK: Sum of a Column

Imagine you have a file with multiple columns and you need to quickly get the total of a column in command line in UNIX. The easiest way is to use AWK in the command line. Let’s take the following file: datafile.txt 1 2 3 4 5 6 7 8 9 Read more…

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