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jQuery - get a list of values of an attribute from elements of a class
...Attribute(attributeName));
});
return results;
}
});
Now you can get the list of level values by calling:
$(".object").attrs("level")
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Assign pandas dataframe column dtypes
...number":"int64",
"car_name":"object","minutes_spent":"float64"})
now you can see that it's changed
In [18]: data_df.dtypes
Out[18]:
wheel_number int64
car_name object
minutes_spent float64
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Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...e of NumPy's extremely fast vectorized operations instead of our loops. We now have a 30x speedup over the original.
The simplest speed test with apply
The above example should clearly show how slow apply can be, but just so its extra clear let's look at the most basic example. Let's square a Se...
Why am I seeing “TypeError: string indices must be integers”?
...;>> my_string[my_tuple]
TypeError: string indices must be integers
Now, at least, the error message makes sense.
Solution
We need to replace the comma , with a colon : to separate the two integers correctly:
>>> my_string = "hello world"
>>> my_string[0:5]
'hello'
A cl...
Scala list concatenation, ::: vs ++
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So is it best practice to avoid ::: in favour of ++ now? Also use +: instead of ::?
– Luigi Plinge
Jul 2 '11 at 23:30
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Xcode 4.2 debug doesn't symbolicate stack call
...he way of debugging). This lets me get great bug reports... and the users know that their problem is being addressed :)
– Zane Claes
Oct 25 '11 at 23:32
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How do I apply the for-each loop to every character in a String?
... return cs.charAt(index++);
}
};
}
}
Now you can (somewhat) easily run for (char c : new CharSequenceCharacterIterable("xyz"))...
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Multiple ModelAdmins/views for same model in Django admin
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Now the real answer is, why django doesn't let you have two admin's for the same model? we shouldn't need to hack around things for just 2 lines that checks that and throws an error :s. Great answer still!
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LogCat message: The Google Play services resources were not found. Check your project configuration
... This post dates back to 2014, I am getting this error right now, is this post relevant?
– Talha
Jun 9 '17 at 9:47
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Android: What's the difference between Activity.runOnUiThread and View.post?
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Thank you I can now see the difference based on your explanation and the @CommonsWare comment.
– Alexander Kulyakhtin
May 12 '12 at 8:40
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