大约有 36,000 项符合查询结果（耗时：0.0366秒） [XML]
Pythonic way to find maximum value and its index in a list?
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20
This answer is 33 times faster than @Escualo assuming that the list is very large, and assuming...
Format in kotlin string templates
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edited Oct 20 '19 at 14:11
weston
49.5k1818 gold badges121121 silver badges188188 bronze badges
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How to work with complex numbers in C?
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answered Jun 20 '11 at 23:46
osgxosgx
77k3838 gold badges293293 silver badges450450 bronze badges
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MongoDB sort排序、index索引教程 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...教程", "url" : "https://www.tsingfun.com", "tags" : [ "php" ], "likes" : 200 }
{ "_id" : ObjectId("56066549ade2f21f36b0313b"), "title" : "Java 教程", "description" : "Java 是由Sun Microsystems公司于1995年5月推出的高级程序设计语言。", "by" : "菜鸟教程", "url" : "https://ww...
Unsupported major.minor version 52.0 [duplicate]
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edited Jul 20 at 14:06
checklist
8,8601313 gold badges4646 silver badges8585 bronze badges
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Format floats with standard json module
...he desired precision.
>>> sys.version
'2.7.1 (r271:86832, Nov 27 2010, 18:30:46) [MSC v.1500 32 bit (Intel)]'
>>> json.dumps(1.0/3.0)
'0.3333333333333333'
>>> json.dumps(round(1.0/3.0, 2))
'0.33'
This works because Python 2.7 made float rounding more consistent. Unfortu...
Escaping ampersand in URL
... a status on Twitter:
http://www.twitter.com/intent/tweet?status=What%27s%20up%2C%20StackOverflow%3F(http%3A%2F%2Fwww.stackoverflow.com)
There's lots of reserved characters in my Tweet, namely ?'():/, so I encoded the whole value of the status URL parameter. This also is helpful when using mailt...
How to toggle a value in Python
...one step is replaced with a xor-by-precomputed-constant:
>>> A = 205
>>> B = -117
>>> t = A ^ B # precomputed toggle constant
>>> x = A
>>> x ^= t # toggle
>>> x
-117
>>> x ^= t # toggle
>>> x
205
>...
Positioning a div near bottom side of another div
...g it look like your nice illustration */
#outer { width: 300px; height: 200px; background: #f2f2cc; border: 1px solid #c0c0c0; }
#inner { width: 50px; height: 40px; background: #ff0080; border: 1px solid #800000; }
/* positioning the boxes correctly */
#outer { position: relative; }
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How to print a double with two decimals in Android? [duplicate]
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207
yourTextView.setText(String.format("Value of a: %.2f", a));
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