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Why are empty strings returned in split() results?
...ut the whole filter structure in list(...).
– Tim Visée
Nov 20 '17 at 10:18
add a comment
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How can I count the occurrences of a list item?
...Using collections.Counter is really much better.
– Clément
Oct 7 '13 at 9:46
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How can I download a specific Maven artifact in one command line?
...didn't touch the pluginRegistry. Thanks.
– Xiè Jìléi
Dec 14 '09 at 4:27
2
this "get" goal see...
Find XOR of all numbers in a given range
...s the fact that there is a pattern of results in the running XORs. The f() function calculates the XOR total run from [0, a]. Take a look at this table for 4-bit numbers:
0000 <- 0 [a]
0001 <- 1 [1]
0010 <- 3 [a+1]
0011 <- 0 [0]
0100 <- 4 [a]
0101 <- 1 [1]
0110 <- 7 [a+1...
Is there a better way to express nested namespaces in C++ within the header
...races that were missing comments about which brace closes which scope? Not fun.).
MY_COMPANY_BEGIN
MY_LIBRARY_BEGIN
class X { };
class Y { };
MY_LIBRARY_END
MY_COMPANY_END
If you want to put all namespace declarations on a single line you can do that as well with a bit of (pretty ugly) preproc...
Is the != check thread safe?
...
It has all been well explained by Stephen C. For fun, you could try to run the same code with the following JVM parameters:
-XX:InlineSmallCode=0
This should prevent the optimisation done by the JIT (it does on hotspot 7 server) and you will see true forever (I stopped a...
What's the difference between an exclusive lock and a shared lock?
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I wrote this answer down because I thought this would be a fun (and fitting) analogy:
Think of a lockable object as a blackboard (lockable) in a class room containing a teacher (writer) and many students (readers).
While a teacher is writing something (exclusive lock) on the board:...
Rails has_many with alias name
...ed Jul 31 '15 at 7:17
Mickaël Rémond
8,65911 gold badge1919 silver badges4242 bronze badges
answered Jul 22 '09 at 4:32
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Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
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Fun problem: when I glanced at your bottle image I thought it was a can too. But, as a human, what I did to tell the difference is that I then noticed it was also a bottle...
So, to tell cans and bottles apart, how about sim...
java.nio.file.Path for a classpath resource
...mException. @Holger response works well for me.
– José Andias
Apr 18 '17 at 13:54
I wouldn't close the FileSystem. I...