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What is the fundamental difference between WebSockets and pure TCP?
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answered Apr 21 '10 at 9:58
AshAsh
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Shell equality operators (=, ==, -eq)
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And a mistaken string comparison can produce the complete wrong answer. '10' is lexicographically less than '2', so a string comparison returns true or 0. So many are bitten by this bug:
$ [[ 10 < 2 ]]; echo $?
0
vs the correct test for 10 being arithmetically less than 2:
$ [[ 10 -lt 2 ]];...
What's a quick way to test to see a file exists?
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TheNeil
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answered Aug 31 '09 at 9:47
reinrein
30.8...
How to initialize a dict with keys from a list and empty value in Python?
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edited Feb 11 '10 at 6:36
answered Feb 11 '10 at 2:45
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SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...ptr [ebp+0Ch]
772e9d0d ff7508 push dword ptr [ebp+8]
772e9d10 e806000000 call ntdll32!__RtlUserThreadStart (772e9d1b)
772e9d15 cc int 3
772e9d16 90 nop
772e9d17 90 nop
772e9d18 90 nop
772e9d19 90 n...
how to use XPath with XDocument?
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edited Dec 10 '14 at 22:28
Quppa
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answered Jun 2...
Django's SuspiciousOperation Invalid HTTP_HOST header
...csrf attack.
– ramwin
Jan 19 '18 at 10:28
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'float' vs. 'double' precision
...digits: all integers of up to 9 decimal digits can be stored, but a lot of 10-digit numbers can be stored as well.
Why don't doubles
have 14 significant figures?
The encoding of a double uses 64 bits (1 bit for the sign, 11 bits for the exponent, 52 explicit significant bits and one implicit...
Correct way to use get_or_create?
..._name='John',
last_name='Lennon',
defaults={'birthday': date(1940, 10, 9)},
)
# get_or_create() didn't have to create an object.
>>> created
False
Explanation:
Fields to be evaluated for similarity, have to be mentioned outside defaults. Rest of the fields have to be included in...
z-index not working with position absolute
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QuentinQuentin
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