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Detect network connection type on Android

...others that might find it useful. Here is a Gist of the class, so you can fork it and edited it. package com.emil.android.util; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.telephony.TelephonyManager; /** * Check device's...
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Is there a simple, elegant way to define singletons? [duplicate]

...on. One annoyance about module level interfaces is managing the imports. For example, Python logging is a module level interface. In order to ensure you fully clean up after logging you must call logging.shutdown(). This means you must import logging into the module which calls shutdown. If it ...
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Running single test from unittest.TestCase via command line

... Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...
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Hash Map in Python

I want to implement a HashMap in Python. I want to ask a user for an input. depending on his input I am retrieving some information from the HashMap. If the user enters a key of the HashMap, I would like to retrieve the corresponding value. ...
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Running unittest with typical test directory structure

The very common directory structure for even a simple Python module seems to be to separate the unit tests into their own test directory: ...
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Is there any difference between “foo is None” and “foo == None”?

...jects of type Foo it always returns true. There isn't an equivalent method for the is operator and so the behaviour of is cannot be changed in the same way. – Brendan Mar 3 '17 at 14:55 ...
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How to detect total available/free disk space on the iPhone/iPad device?

I'm looking for a better way to detect available/free disk space on the iPhone/iPad device programmatically. Currently I'm using the NSFileManager to detect the disk space. Following is the snippet of the code which does the job for me: ...
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Python argparse: Make at least one argument required

I've been using argparse for a Python program that can -process , -upload or both: 11 Answers ...
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Find the nth occurrence of substring in a string

...k. Here's an alternative with string-splitting, which can often be useful for finding-related processes: def findnth(haystack, needle, n): parts= haystack.split(needle, n+1) if len(parts)<=n+1: return -1 return len(haystack)-len(parts[-1])-len(needle) And here's a quick (a...
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In Flux architecture, how do you manage Store lifecycle?

I'm reading about Flux but the example Todo app is too simplistic for me to understand some key points. 3 Answers ...