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Naming convention for unique constraint
...g conventions are important, and primary key and foreign key have commonly used and obvious conventions ( PK_Table and FK_Table_ReferencedTable , respectively). The IX_Table_Column naming for indexes is also fairly standard.
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How can I create a Set of Sets in Python?
I'm trying to make a set of sets in Python. I can't figure out how to do it.
5 Answers
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Python's “in” set operator
I'm a little confused about the python in operator for sets.
5 Answers
5
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Using jQuery to see if a div has a child with a certain class
I have a div #popup that is dynamically filled with several paragraphs with the class .filled-text . I'm trying to get jQuery to tell me if #popup has one of these paragraphs in it.
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PhpStorm wrap/surround selection?
...g and templating I need to wrap a certain part of text. Is there any shortcut to wrap the current selection, for example:
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
What's the difference between CPPFLAGS and CXXFLAGS in GNU Make?
4 Answers
4
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How to create duplicate allowed attributes
I'm using a custom attribute inherited from an attribute class. I'm using it like this:
6 Answers
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SBT stop run without exiting
How do you terminate a run in SBT without exiting?
4 Answers
4
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NameError: global name 'unicode' is not defined - in Python 3
I am trying to use a Python package called bidi. In a module in this package (algorithm.py) there are some lines that give me error, although it is part of the package.
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Run a callback only if an attribute has changed in Rails
...tiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these cha...