大约有 48,000 项符合查询结果（耗时：0.0546秒） [XML]
How to add an empty column to a dataframe?
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emunsingemunsing
6,78822 gold badges1616 silver badges2828 bronze badges
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How to see which flags -march=native will activate?
...512
– Daniel Santos
Jan 29 '15 at 0:22
@DanielSantos: on my system it does display those parameters with the -v option...
Changing the color of an hr element
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edited Dec 28 '18 at 13:22
Uwe Keim
35.7k3636 gold badges153153 silver badges255255 bronze badges
answ...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
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AamirRAamirR
8,54422 gold badges4242 silver badges5454 bronze badges
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Simple Log to File example for django 1.3+
...gging defaults – fail-nicely-django.
Sample logfile output:
2016-04-05 22:12:32,984 [Thread-1 ] [INFO ] [djangoproject.logger] This is a manually logged INFO string.
2016-04-05 22:12:32,984 [Thread-1 ] [DEBUG] [djangoproject.logger] This is a manually logged DEBUG string.
2016-04-05 22:1...
Syntax for creating a two-dimensional array
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edited Jul 9 '15 at 22:32
Peter Mortensen
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Disabling browser caching for all browsers from ASP.NET
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answered May 27 '09 at 22:39
HttpWatchSupportHttpWatchSupport
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How does one use rescue in Ruby without the begin and end block
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226
A method "def" can serve as a "begin" statement:
def foo
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rescue
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end
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How to compare two floating point numbers in Bash?
...only integer maths
but you can use bc command as follows:
$ num1=3.17648E-22
$ num2=1.5
$ echo $num1'>'$num2 | bc -l
0
$ echo $num2'>'$num1 | bc -l
1
Note that exponent sign must be uppercase
share
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how to check redis instance version?
....2.12
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:9c3b73db5f7822b7
redis_mode:standalone
os:Linux 2.6.32.43-tlinux-1.0.26-default x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.9.4
process_id:5034
run_id:a45b2ffdc31d7f40a1652c235582d5d277eb5eec
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