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Calculate date/time difference in java [duplicate]

...hich even in JVM bytecode is a few instructions), less clear (it's longer, and frankly if something finds "1000" or "60" to be magic numbers in that context, they're not working with a full deck) and, pivotally, it doesn't do what the OP wanted. – Parthian Shot ...
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How to get “wc -l” to print just the number of lines without file name?

outputs number of lines and file name. 9 Answers 9 ...
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Good introduction to the .NET Reactive Framework [closed]

Aside from the Microsoft documentation, is there a good introduction and tutorial to the Microsoft Reactive (Rx) framework? ...
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Opacity CSS not working in IE8

... i.e. when you hover over the trigger text the cursor changes to a pointer and the opacity of the trigger text is reduced to indicate that the text has a click action. ...
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Calling class staticmethod within the class body?

...icmethod objects apparently have a __func__ attribute storing the original raw function (makes sense that they had to). So this will work: class Klass(object): @staticmethod # use as decorator def stat_func(): return 42 _ANS = stat_func.__func__() # call the staticmethod ...
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Remove unwanted parts from strings in a column

... @LucaGuarro from the python docs: "The r prefix, making the literal a raw string literal, is needed in this example because escape sequences in a normal “cooked” string literal that are not recognized by Python, as opposed to regular expressions, now result in a DeprecationWarning and will ...
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How to import CSV file data into a PostgreSQL table?

...re's some code that shows you how to set various options: # Set it so the raw sql output is logged import logging logging.basicConfig() logging.getLogger('sqlalchemy.engine').setLevel(logging.INFO) df.to_sql("my_table_name2", engine, if_exists="append", #options are ‘fail...
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How can I convert a stack trace to a string?

... Fyi, the package has changed and the class is now at: org.apache.commons.lang3.exception.ExceptionUtils. – schmmd Nov 13 '13 at 23:18 ...
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Android emulator and virtualbox cannot run at same time

Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is ...
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What is the best open-source java charting library? (other than jfreechart) [closed]

...he only successful opensource project in this area seems to be jfreechart, and it doesn't even have any documentation or examples available. ...