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Java: is there a map function?
...;
}
});
System.out.println(output);
Output:
[a, 14, 1e, 28, 32]
These days, with Java 8, there is actually a map function, so I'd probably write the code in a more concise way:
Collection<String> hex = input.stream()
.map(Integer::toHexString)
...
How to change tab size on GitHub?
...-edits ;)
– tomByrer
Jun 1 '12 at 7:32
2
Agreed. But that might be a good incentive to start cont...
Multiprocessing - Pipe vs Queue
...ipe() took 0.0369849205017 seconds
Sending 100000 numbers to Pipe() took 0.328398942947 seconds
Sending 1000000 numbers to Pipe() took 3.17266988754 seconds
mpenning@mpenning-T61:~$ python multi_queue.py
Sending 10000 numbers to Queue() took 0.105256080627 seconds
Sending 100000 numbers to Queue() ...
What is simplest way to read a file into String? [duplicate]
...:
new String(Files.readAllBytes(Paths.get(filePath)), StandardCharsets.UTF_8);
Where filePath is a String representing the file you want to load.
share
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Converting a List to a comma separated string
...
Larsenal: but StringBuilder.Append(Int32) internally calls ToString on the integer anyway. StringBuilder doesn't magically avoid the cost of allocating a string for each element; it just tucks it nicely out of sight.
– itowlson
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'is' versus try cast with null check
...0000: nop
IL_0001: ldc.i4.5
IL_0002: box System.Int32
IL_0007: stloc.0 // o
IL_0008: ldloc.0 // o
IL_0009: isinst System.Int32
IL_000E: ldnull
IL_000F: cgt.un
IL_0011: stloc.1
IL_0012: ldloc.1
IL_0013: brfalse.s IL_001E
IL_0015: n...
sqlalchemy: how to join several tables by one query?
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answered Nov 19 '17 at 21:32
Valery RamusikValery Ramusik
8991111 silver badges1616 bronze badges
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What is the __DynamicallyInvokable attribute for?
...able on WP8.
– usr
Oct 10 '12 at 10:32
1
+1 See my comment on the OP's Q - one case where the CLR...
How to get the first non-null value in Java?
Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables?
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Do NSUserDefaults persist through an Update to an app in the Appstore?
... Bojan BozovicBojan Bozovic
8271515 silver badges3232 bronze badges
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