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Adding a new array element to a JSON object

...eamId":"1","status":"pending"},{"teamId":"2","status":"member"},{"teamId":"3","status":"member"}]}'; var obj = JSON.parse(jsonStr); obj['theTeam'].push({"teamId":"4","status":"pending"}); jsonStr = JSON.stringify(obj); // "{"theTeam":[{"teamId":"1","status":"pending"},{"teamId":"2","status":"member...
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How to get the last N rows of a pandas DataFrame?

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how to “reimport” module to python then code be changed after import

... 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) share | impro...
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How to concatenate strings with padding in sqlite

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How to group dataframe rows into list in pandas groupby?

..., 'b':[1,2,5,5,4,6]}) df Out[1]: a b 0 A 1 1 A 2 2 B 5 3 B 5 4 B 4 5 C 6 In [2]: df.groupby('a')['b'].apply(list) Out[2]: a A [1, 2] B [5, 5, 4] C [6] Name: b, dtype: object In [3]: df1 = df.groupby('a')['b'].apply(list).reset_index(name='new') ...
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Why does base64 encoding require padding if the input length is not divisible by 3?

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How to find the installed pandas version

... 375 Check pandas.__version__: In [76]: import pandas as pd In [77]: pd.__version__ Out[77]: '0.1...
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Float vs Decimal in ActiveRecord

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100% width Twitter Bootstrap 3 template

...lable any longer. I have no idea how to achieve that layout with bootstrap 3. I am using the Geometry PSD template from themeforest, the link here if you want to see the layout : http://themeforest.net/item/geometry-design-for-geolocation-social-networkr/4752268 ...
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Split list into multiple lists with fixed number of elements

...an iterator, but you can convert the result to a list, scala> List(1,2,3,4,5,6,"seven").grouped(4).toList res0: List[List[Any]] = List(List(1, 2, 3, 4), List(5, 6, seven)) share | improve this ...