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Converting numpy dtypes to native python types
...t on some systems, including: clongdouble, clongfloat, complex192, complex256, float128, longcomplex, longdouble and longfloat. These need to be converted to their nearest NumPy equivalent before using .item().
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Best way to check if a URL is valid
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305
You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates val...
Add column with constant value to pandas dataframe [duplicate]
..., size=10)})
In [10]:
In [10]: df
Out[10]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [11]: s = df.a[:5]
In [12]: dfa, sa = df.align(s, axis=0)
In [13]: dfa
Out[13]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [14]: sa
Out[14]:
0 0
1 2
2 0
3 1
4 ...
Group by multiple columns in dplyr, using string vector input
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52
Since this question was posted, dplyr added scoped versions of group_by (documentation here). T...
Run Java Code Online [closed]
... |
edited May 23 '12 at 5:24
mikera
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answ...
What is the id( ) function used for?
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158
Your post asks several questions:
What is the number returned from the function?
It is "...
Managing relationships in Laravel, adhering to the repository pattern
...loperfideloper
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1
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How to remove convexity defects in a Sudoku square?
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256
I have a solution that works, but you'll have to translate it to OpenCV yourself. It's written ...
How to convert jsonString to JSONObject in Java
...ry:
try {
JSONObject jsonObject = new JSONObject("{\"phonetype\":\"N95\",\"cat\":\"WP\"}");
}catch (JSONException err){
Log.d("Error", err.toString());
}
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What browsers support HTML5 WebSocket API?
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Client side
Hixie-75:
Chrome 4.0 + 5.0
Safari 5.0.0
HyBi-00/Hixie-76:
Chrome 6.0 - 13.0
Safari 5.0.2 + 5.1
iOS 4.2 + iOS 5
Firefox 4.0 - support for WebSockets disabled. To enable it see here.
Opera 11 - with support disabled. To enable it...