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Rails 3 check if attribute changed
Need to check if a block of attributes has changed before update in Rails 3.
5 Answers
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Will web browsers cache content over https
...-Control: max-age=3600
will tell the browser that this page can be cached for 3600 seconds (1 hour)
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How do I rename a column in a SQLite database table?
... similar question has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned.
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Pandas: Looking up the list of sheets in an excel file
...mes
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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Difference between Django's annotate and aggregate methods?
...rather than your quote from the documentation. Aggregate calculates values for the entire queryset. Annotate calculates summary values for each item in the queryset.
Aggregation
>>> Book.objects.aggregate(average_price=Avg('price'))
{'average_price': 34.35}
Returns a dictionary containi...
Getting an empty JQuery object
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Upvoted for the included source. Always great to have all the context available. A more direct link to the related paragraph would be: api.jquery.com/jQuery/#returning-empty-set
– ksadowski
Jun ...
django 1.5 - How to use variables inside static tag
...with signed URLs, as the Storage backend if not invoked to prepare the URL for each file.
– shuckc
Apr 24 '16 at 21:53
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error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...ich used to compile just fine), and now I'm seeing a lot of errors of this form:
4 Answers
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How to find a parent with a known class in jQuery?
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Extracted from @Resord's comments above. This one worked for me and more closely inclined with the question.
$(this).parent().closest('.a');
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What is ASP.NET Identity's IUserSecurityStampStore interface?
...ed (unlink your google/fb account), the stamp will change. This is needed for things like automatically signing users/rejecting old cookies when this occurs, which is a feature that's coming in 2.0.
Identity is not open source yet, its currently in the pipeline still.
Edit: Updated for 2.0.0. So...