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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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Vlad MihalceaVlad Mihalcea
87.4k2727 gold badges346346 silver badges704704 bronze badges
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How to get Linux console window width in Python
...util.get_terminal_size((80, 20)) # pass fallback
os.terminal_size(columns=87, lines=23) # returns a named-tuple
A low-level implementation is in the os module. Also works in Windows.
A backport is now available for Python 3.2 and below:
https://pypi.python.org/pypi/backports.shutil_get_term...
How expensive is the lock statement?
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87
Here is an article that goes into the cost. Short answer is 50ns.
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...b,
0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
};
return...
Sorting data based on second column of a file
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87
Solution:
sort -k 2 -n filename
more verbosely written as:
sort --key 2 --numeric-sort filen...
What is the purpose of using -pedantic in GCC/G++ compiler?
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GCC compilers always try to compile your program if this is at all possible. However, in some
c...
How do I compare strings in Java?
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Sometimes it looks as if "==" compares values, -- == do always compare values! (It's just that certain values are references!)
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REST API error return good practices [closed]
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The main choice is do you want to treat the HTTP status code as part of your REST API or not.
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Creating email templates with Django
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Dominic RodgerDominic Rodger
87.2k2828 gold badges185185 silver badges205205 bronze badges
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What is the meaning of “__attribute__((packed, aligned(4))) ”
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packed means it will use the smallest possible space for struct Ball - i.e. it will cram field...