大约有 47,000 项符合查询结果（耗时：0.0587秒） [XML]
Remove leading and trailing spaces?
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239
You can use the strip() to remove trailing and leading spaces.
>>> s = ' abd cde ...
Why was the arguments.callee.caller property deprecated in JavaScript?
...ion factorial(n) {
return (!(n>1))? 1 : factorial(n-1)*n;
}
[1,2,3,4,5].map(factorial);
// But this snippet will not:
[1,2,3,4,5].map(function(n) {
return (!(n>1))? 1 : /* what goes here? */ (n-1)*n;
});
To get around this, arguments.callee was added so we could do:
[1,2,3...
How to change column datatype from character to numeric in PostgreSQL 8.4
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3 Answers
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Format an Integer using Java String Format
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3 Answers
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Unittest setUp/tearDown for several tests
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133
As of 2.7 (per the documentation) you get setUpClass and tearDownClass which execute before and...
Overwrite or override
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30
The common used word is Override and it's not language-specific as you can also read from wikip...
Pandas groupby: How to get a union of strings
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In [5]: df
Out[5]:
A B C
0 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, t...
Properties order in Margin
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Margin="1,2,3,4"
Left,
Top,
Right,
Bottom
It is also possible to specify just two sizes like this:
Margin="1,2"
Left AND right
Top AND bottom
Finally you can specify a single size:
Margin="1"
used for all sides
The ord...
Updating address bar with new URL without hash or reloading the page
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893
You can now do this in most "modern" browsers!
Here is the original article I read (posted July...
What is the `sensor` parameter for in the Google Places API?
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3 Answers
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