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Why is “if not someobj:” better than “if someobj == None:” in Python?

... the object has a __nonzero__ special method (as do numeric built-ins, int and float), it calls this method. It must either return a bool value which is then directly used, or an int value that is considered False if equal to zero. Otherwise, if the object has a __len__ special method (as do contain...
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How to copy text programmatically in my Android app?

I'm building an Android app and I want to copy the text value of an EditText widget. It's possible for the user to press Menu+A then Menu+C to copy the value, but how would I do this programmatically? ...
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jQuery .val change doesn't change input value

...alse. Try interacting with the input (the value is dirty after user input) and then setAttribute – Esailija Aug 8 '12 at 21:58 ...
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Drop a temporary table if it exists

... You could also consider truncating the table instead rather than dropping and recreating. IF OBJECT_ID('tempdb..##CLIENTS_KEYWORD', 'U') IS NOT NULL TRUNCATE TABLE ##CLIENTS_KEYWORD ELSE CREATE TABLE ##CLIENTS_KEYWORD ( client_id INT ) ...
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Is there any way to post events to Google Analytics via server-side API? [closed]

... It is now possible (and easy) to track Analytics data from the server-side. With the launch of Universal Analytics, you can now use the Measurement Protocol to post data to the GA servers. Code samples here ...
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Localization of DisplayNameAttribute

... answered Oct 6 '10 at 21:47 RandomEngyRandomEngy 13.5k55 gold badges5656 silver badges104104 bronze badges ...
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How can I order a List?

...annot be changed. The requirements are very specifically to sort a List. And the cost associated with this answer is non-trivial and also needless. It literally gains nothing. It adds complexity to the code, it is less concise, it's less efficient, there is literally nothing but disadvantages he...
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How to get the previous URL in JavaScript?

...tory allows navigation, but not access to URLs in the session for security and privacy reasons. If more detailed URL history was available, then every site you visit could see all the other sites you'd been to. If you're dealing with state moving around your own site, then it's possibly less fragi...
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Get array of object's keys

... And what about mobile browsers ? – Marwen Trabelsi Aug 7 '14 at 8:15 ...
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Is a GUID unique 100% of the time?

... Wikipedia. These are some good articles on how a GUID is made (for .NET) and how you could get the same guid in the right situation. https://ericlippert.com/2012/04/24/guid-guide-part-one/ https://ericlippert.com/2012/04/30/guid-guide-part-two/ https://ericlippert.com/2012/05/07/guid-guide-part-th...