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What makes JNI calls slow?
...ecified in strings and queried from the JVM. This is both slow and error-prone.
Java Strings are objects, have length and are encoded. Accessing or creating a string may require an O(n) copy.
Some additional discussion, possibly dated, can be found in "Java¿ Platform Performance: Strategies and T...
Proper way to return JSON using node or Express
So, one can attempt to fetch the following JSON object:
10 Answers
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How do I get IntelliJ to recognize common Python modules?
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Done that, no change.
– OrangeDog
Jun 1 '16 at 10:17
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How do I copy an object in Java?
...mmy = another.dummy; // you can access
}
}
Every object has also a clone method which can be used to copy the object, but don't use it. It's way too easy to create a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effectiv...
How to prevent SIGPIPEs (or handle them properly)
...replace write method call by a OS send (using socketDescriptor method). Anyone knows a cleaner option to set this option in a QTcpSocket class?
– Emilio González Montaña
Feb 5 '18 at 9:05
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How to hide action bar before activity is created, and then show it again?
I need to implement splash screen in my honeycomb app.
I use this code in activity's onCreate to show splash:
27 Answers
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Indent multiple lines quickly in vi
...three lines (Vim only). To indent a curly-braces block, put your cursor on one of the curly braces and use >% or from anywhere inside block use >iB.
If you’re copying blocks of text around and need to align the indent of a block in its new location, use ]p instead of just p. This aligns the...
Best way to check if a URL is valid
...on, that I'm looking for, should recognize all links formats including the ones with GET parameters.
12 Answers
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API pagination best practices
...//api.example.com/foo?since=TIMESTAMP2"
}
}
Just a note, only using one timestamp relies on an implicit 'limit' in your results. You may want to add an explicit limit or also use an until property.
The timestamp can be dynamically determined using the last data item in the list. This seems ...
Why does Python print unicode characters when the default encoding is ASCII?
...n-1 (graphic terminals usually have an option to Set Character Encoding in one of their dropdown menus). Note that this doesn't change the actual shell environment's encoding, it only changes the way the terminal itself will decode output it's given, a bit like a web browser does. You can therefore ...