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Difference between onStart() and onResume()

...eaning of onStart() transition state. The onResume() method is always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose? ...
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Quick unix command to display specific lines in the middle of a file?

... Or more specifically 10 lines before: grep -B 10 ... Or 10 lines after: grep -A 10 ... – Boy Baukema May 21 '12 at 11:14 ...
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How to check if a file is empty in Bash?

I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working. 10 Answe...
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How to create a database from shell command?

...for something like createdb in PostgreSQL or any other solution that would allow me to create database with a help of a shell command. Any hints? ...
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How to show only next line after the matched one?

... For anyone who really wanted a grep -A2 equivalent (which is what I needed), getline just eats the line and goes on to the next. So what worked for me was literally just awk '/blah/{getline; getline; print}' logfile – A...
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How can you find out which process is listening on a port on Windows?

...Note Dane's recommendation for TCPView. It looks very useful! -a Displays all connections and listening ports. -b Displays the executable involved in creating each connection or listening port. In some cases well-known executables host multiple independent components, and in these cases the sequen...
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How to map atan2() to degrees 0-360

...swered Aug 21 '09 at 10:20 erikkallenerikkallen 31k1212 gold badges7575 silver badges114114 bronze badges ...
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The selected run destination is not valid for this action

... I had that issue several times. Basically, just set the Base SDK in Build Settings to Latest OS X and it should work properly. share | improve this answer ...
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Matplotlib - global legend and title aside subplots

...atplotlib.pyplot as plt fig = plt.gcf() fig.suptitle("Title centered above all subplots", fontsize=14) Alternatively (based on @Steven C. Howell's comment below (thank you!)), use the matplotlib.pyplot.suptitle() function: import matplotlib.pyplot as plt # plot stuff # ... plt.suptitle("Title...
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Why would anybody use C over C++? [closed]

...hoose C over C++. C doesn't seem to get nearly as much flak and if C++ has all these problems why can't you just restrict yourself to the C subset? What are your thoughts/experience? ...