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Conditional import of modules in Python

In my program I want to import simplejson or json based on whether the OS the user is on is Windows or Linux. I take the OS name as input from the user. Now, is it correct to do the following? ...
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How can I change the current URL?

I have the following code that changes the pages from within JavaScript: 5 Answers 5 ...
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Compare floats in php

...ause it looks small, this comparison will return true in alot of precision errors when the numbers are small. A correct way would be to check if the relative error is smaller than the epsilon. abs($a-$b) > abs(($a-$b)/$b) – Piet Bijl Jun 21 '13 at 13:18 ...
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How to truncate a foreign key constrained table?

... when I'm using delete statement, it report error 1175: You are using safe update mode, just add SET SQL_SAFE_UPDATES = 0; then it's fine – user4985526 Apr 20 '16 at 2:41 ...
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Python error “ImportError: No module named”

...ry to import it, it doesn't allow me, saying that it doesn't exist. "ImportError: no module x exists" – user65165 Aug 24 '16 at 14:53 ...
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Is there a way to change the spacing between legend items in ggplot2?

Is there a way to change the spacing between legend items in ggplot2? I currently have 8 Answers ...
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Could not find default endpoint element

... a VS2008/.NET 3.5 solution. When constructing the client .NET throws this error: 33 Answers ...
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Assign pandas dataframe column dtypes

...e types explicitly with pandas DataFrame.astype(dtype, copy=True, raise_on_error=True, **kwargs) and pass in a dictionary with the dtypes you want to dtype here's an example: import pandas as pd wheel_number = 5 car_name = 'jeep' minutes_spent = 4.5 # set the columns data_columns = ['wheel_number...
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Best way to test for a variable's existence in PHP; isset() is clearly broken

...erty is array, for example: Class{ public $property = array() }. Throws an error. – Andrew Jun 13 '15 at 9:38 1 ...
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log4j logging hierarchy order

...olumn, you will see how the log works in each level. i.e for WARN, (FATAL, ERROR and WARN) will be visible. For OFF, nothing will be visible. share | improve this answer | fo...