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Any gotchas using unicode_literals in Python 2.6?

... The main source of problems I've had working with unicode strings is when you mix utf-8 encoded strings with unicode ones. For example, consider the following scripts. two.py # encoding: utf-8 name = 'helló wörld from two' one.py # encoding: utf-8 from __future__...
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How to check if a python module exists without importing it

I need to know if a python module exists, without importing it. 13 Answers 13 ...
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decorators in the python standard lib (@deprecated specifically)

...s no standard library decorator for deprecation. I am aware of recipes for it and the warnings module, but my question is: why is there no standard library decorator for this (common) task ? ...
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What is the iPad user agent?

From what I gather, the iPad is using iPhone OS, but with a different screen resolution from the iPhone and iPod touch. So many sites may have to change their user agent detection to adapt to the iPad. ...
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Make elasticsearch only return certain fields?

... Yep! Use a source filter. If you're searching with JSON it'll look something like this: { "_source": ["user", "message", ...], "query": ..., "size": ... } In ES 2.4 and earlier, you could also use the fields option to the search API: { "fields": ["user...
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Do I need to disable NSLog before release Application?

When releasing an app for iPhone, if I disable NSLog(); will it perform better? 12 Answers ...
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Is there a simple way to convert C++ enum to string?

..."_1" location="f0:1" file="f0" line="1"> <EnumValue name="FOO" init="0"/> <EnumValue name="BAR" init="80"/> </Enumeration> <File id="f0" name="my_enum.h"/> </GCC_XML> You could use any language you prefer to pull out the Enumeration and EnumValue tags a...
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Can you test google analytics on a localhost address?

...localhost. You can verify this by opening the developer tools in your favorite browser and watching the network requests during page load. If it is working you will see a request for _utm.gif in the network requests list. Updated 2013 for Universal Analytics - analytics.js Google released a new vers...
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How can I maintain fragment state when added to the back stack?

I've written up a dummy activity that switches between two fragments. When you go from FragmentA to FragmentB, FragmentA gets added to the back stack. However, when I return to FragmentA (by pressing back), a totally new FragmentA is created and the state it was in is lost. I get the feeling I'm ...
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What is a singleton in C#?

What is a Singleton and when should I use it? 16 Answers 16 ...