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Line continuation for list comprehensions or generator expressions in python

...at_are_pretty_long] The reason why \ isn't appreciated very much is that it appears at the end of a line, where it either doesn't stand out or needs extra padding, which has to be fixed when line lengths change: x = very_long_term \ + even_longer_term_than_the_previous \ +...
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python design patterns [closed]

...follow | edited Dec 28 '18 at 23:32 community wiki ...
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL

... You can cast your timestamp to a date by suffixing it with ::date. Here, in psql, is a timestamp: # select '2010-01-01 12:00:00'::timestamp; timestamp --------------------- 2010-01-01 12:00:00 Now we'll cast it to a date: wconrad=# select '2010-01-01 12:00:0...
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c#: getter/setter

I saw something like the following somewhere, and was wondering what it meant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping me. ...
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Passing parameters to addTarget:action:forControlEvents

... action:@selector(switchToNewsDetails:) You do not pass parameters to switchToNewsDetails: method here. You just create a selector to make button able to call it when certain action occurs (touch up in your case). Controls can use 3 types of s...
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Max return value if empty query

...follow | edited May 27 '14 at 11:44 Arve Systad 5,19011 gold badge2929 silver badges5858 bronze badges ...
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Ruby on Rails generates model field:type - what are the options for field:type?

...w model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source. ...
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How to delete last item in list?

...rogram that calculates the time taken to answer a specific question, and quits out of the while loop when answer is incorrect, but i want to delete the last calculation, so i can call min() and it not be the wrong time, sorry if this is confusing. ...
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Crop MP3 to first 30 seconds

...ut the command line suggested by John Boker has an unintended side effect: it re-encodes the file to the default bitrate (which is 64 kb/s in the version I have here at least). This might give your customers a false impression of the quality of your sound files, and it also takes longer to do. Here...
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How do I get jQuery to select elements with a . (period) in their ID?

...follow | edited Jun 14 '14 at 7:25 Felix Kling 666k151151 gold badges968968 silver badges10321032 bronze badges ...