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How to make a flat list out of list of lists?
...e the timeit module in the standard library:
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' '[item for sublist in l for item in sublist]'
10000 loops, best of 3: 143 usec per loop
$ python -mtimeit -s'l=[[1,2,3],[4,5,6], [7], [8,9]]*99' 'sum(l, [])'
1000 loops, best of 3: 969 usec per loo...
Design patterns or best practices for shell scripts [closed]
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223
I wrote quite complex shell scripts and my first suggestion is "don't". The reason is that is fa...
Is null check needed before calling instanceof?
...Andy Thomas
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How can I install a local gem?
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edited Feb 12 '19 at 6:13
Ross Attrill
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answered...
How to prevent a click on a '#' link from jumping to top of page?
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23 Answers
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Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
...ohammed Azharuddin ShaikhMohammed Azharuddin Shaikh
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What is the meaning of “POSIX”?
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637
POSIX is a family of standards, specified by the IEEE, to clarify and make uniform the applicat...
Position a CSS background image x pixels from the right?
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background-position: right 30px center;
It works in most browsers. See: http://caniuse.com/#feat=css-background-offsets for full list.
More information: http://www.w3.org/TR/css3-background/#the-background-position
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Android update activity UI from service
... float lastPressureAltitude = (float)((1 - Math.pow(lastPressure / 1013.25, 0.190284)) * 145366.45);
pressureObserver.onNext(lastPressureAltitude);
}
}
@Override
public void onAccuracyChanged(Sensor sen...
How to set timeout for http.Get() requests in Golang?
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Apparently in Go 1.3 http.Client has Timeout field
client := http.Client{
Timeout: 5 * time.Second,
}
client.Get(url)
That's done the trick for me.
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