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Which is the preferred way to concatenate a string in Python?
...e is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.11040496826171875
However, those who recommend having lists and appending to them and then joining those lists, do so because appending a string to a list is presumably very fast compared to ex...
Grouping functions (tapply, by, aggregate) and the *apply family
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Fetch first element which matches criteria
...t; stops = new LinkedList<>();
stops.add(new Stop("Station1", 250));
stops.add(new Stop("Station2", 275));
stops.add(new Stop("Station3", 390));
stops.add(new Stop("Station2", 210));
stops.add(new Stop("Station1", 190));
Stop firstStopAtStation1 = stops.stream()
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When to create a new app (with startapp) in Django?
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edited Jan 4 '16 at 20:34
kellyfj
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answered ...
TFS: Updating branch with changes from main
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edited Feb 28 '14 at 10:06
geographika
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answe...
Likelihood of collision using most significant bits of a UUID in Java
...east significant half. So the most significant half of your UUID contains 60 bits of randomness, which means you on average need to generate 2^30 UUIDs to get a collision (compared to 2^61 for the full UUID).
So I would say that you are rather safe. Note, however that this is absolutely not true fo...
How to set the title of DialogFragment?
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Rob HolmesRob Holmes
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How to sync with a remote Git repository?
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answered Nov 30 '10 at 11:20
Šimon TóthŠimon Tóth
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Functional programming - is immutability expensive? [closed]
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106
Since there are a few misconceptions flying around here, I’d like to clarify some points.
T...
What is the “-d” in “npm -d install”?
... Martijn Pieters♦
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answered Mar 3 '12 at 5:28
Mark KahnMark Kahn
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