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What does (x ^ 0x1) != 0 mean?
...nary level:
what? xxxxxxxx (8 bits)
xor 00000001 (hex 0x1 or 0x01, decimal 1)
gives 00000000
---------------------------
the only answer is 00000001
so:
0 == ( x ^ 0x1 ) => x == 1
0 != ( x ^ 0x1 ) => x != 1
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Visual Studio (2008) 'Clean Solution' Option
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How can I read inputs as numbers?
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>>> import sys
>>> sys.version
'2.7.6 (default, Mar 22 2014, 22:59:56) \n[GCC 4.8.2]'
>>> data = input("Enter a number: ")
Enter a number: 5 + 17
>>> data, type(data)
(22, <type 'int'>)
The data 5 + 17 is evaluated and the result is 22. When it evaluates ...
What does multicore assembly language look like?
...Boost for example has some lock free container implementations at: https://www.boost.org/doc/libs/1_63_0/doc/html/lockfree.html
Such userland instructions also appear to be used to implement the Linux futex system call, which is one of the main synchronization primitives in Linux. man futex 4.15 re...
Python time measure function
...s to wrap your function up using decorators. More explanation here: http://www.pythoncentral.io/time-a-python-function/
The only case where you might be interested in writing your own timing statements is if you want to run a function only once and are also want to obtain its return value.
The adv...
What does int argc, char *argv[] mean?
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answered Aug 20 '15 at 19:01
Toby SpeightToby Speight
22.1k1313 gold badges5454 silver badges7979 bronze badges
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Making Python loggers output all messages to stdout in addition to log file
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– Martijn Pieters♦
Oct 26 '18 at 11:01
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show 3 more comments
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When to use the brace-enclosed initializer?
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Git: Recover deleted (remote) branch
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answered Oct 15 '16 at 23:01
chinnawatpchinnawatp
1,0721313 silver badges1414 bronze badges
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Why always ./configure; make; make install; as 3 separate steps?
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