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Check if event is triggered by a human
...ry stores the original event object inside this property. Btw, what do you mean you don't know? You just provided the link to the documentation :)
– Šime Vidas
Jul 14 '11 at 11:41
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How to get package name from anywhere?
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If with the word "anywhere" you mean without having an explicit Context (for example from a background thread) you should define a class in your project like:
public class MyApp extends Application {
private static MyApp instance;
public static M...
Maven is not working in Java 8 when Javadoc tags are incomplete
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DocLint is a new feature in Java 8, which is summarized as:
Provide a means to detect errors in Javadoc comments early in the
development cycle and in a way that is easily linked back to the
source code.
This is enabled by default, and will run a whole lot of checks before generating Java...
Empty set literal?
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You mean there is no literal syntax for the empty set? Or for sets in general?
– Johan Råde
May 25 '11 at 20:23
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What does it mean for a data structure to be “intrusive”?
... used to describe data structures like lists and stacks, but what does it mean?
2 Answers
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JSON Array iteration in Android/Java
...ayList.iterator();
}
This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArray class is backed by a simple ArrayL...
Multiple aggregations of the same column using pandas GroupBy.agg()
...the functions as a list:
In [20]: df.groupby("dummy").agg({"returns": [np.mean, np.sum]})
Out[20]:
mean sum
dummy
1 0.036901 0.369012
or as a dictionary:
In [21]: df.groupby('dummy').agg({'returns':
{'Mean': np...
How to set a Fragment tag by code?
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I got what you mean. Thanks!
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Android Fragment lifecycle over orientation changes
...know the instance will be saved after the fragment is created and added? I mean hat if a user rotates just before Fragment is being added? We will still have non-null savedInstanceState that doesn't contain fragment state
– Farid
Aug 16 '19 at 12:23
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How to get nice formatting in the Rails console
... v2.0 will require Ruby v1.9.3 or later and Rails v3.0 or later. Does this mean that the gem is outdated with these versions and cause conflicts??
– ltdev
Feb 6 '17 at 15:17
a...