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how to “reimport” module to python then code be changed after import
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For Python 2.x
reload(foo)
For Python 3.x
import importlib
import foo #import the module here, so that it can be reloaded.
importlib.reload(foo)
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Checking images for similarity with OpenCV
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211
This is a huge topic, with answers from 3 lines of code to entire research magazines.
I will o...
Connect to a locally built Jekyll Server using mobile devices in the LAN
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2 Answers
2
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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edited Dec 22 '14 at 22:36
answered Jan 19 '12 at 2:16
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Comparing arrays in JUnit assertions, concise built-in way?
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302
Use org.junit.Assert's method assertArrayEquals:
import org.junit.Assert;
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Assert.assertArr...
C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
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1
~a
&
位逻辑与运算
2
a & b
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位逻辑或运算
2
a | b
^
位逻辑异或运算
2
a ^ b
<<
位左移运算
2
a<<4
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Passing a list of kwargs?
...f method(**kwargs):
print kwargs
keywords = {'keyword1': 'foo', 'keyword2': 'bar'}
method(keyword1='foo', keyword2='bar')
method(**keywords)
Running this in Python confirms these produce identical results:
{'keyword2': 'bar', 'keyword1': 'foo'}
{'keyword2': 'bar', 'keyword1': 'foo'}
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Remove all values within one list from another list? [duplicate]
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>>> a = range(1, 10)
>>> [x for x in a if x not in [2, 3, 7]]
[1, 4, 5, 6, 8, 9]
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How to get the last element of an array in Ruby?
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2 Answers
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Breaking a list into multiple columns in Latex
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252
Using the multicol package and embedding your list in a multicols environment does what you wa...