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Insert Update trigger how to determine if insert or update
I need to write an Insert, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I dete...
Facebook access token server-side validation for iPhone app
I'm developing iPhone application, that is based on communication with server, and I want to use Facebook authentication mechanisms.
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How to use WHERE IN with Doctrine 2
I have the following code which gives me the error:
13 Answers
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JavaScript - onClick to get the ID of the clicked button
How do find the id of the button which is being clicked?
16 Answers
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Compare if two variables reference the same object in python
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In the example, x is z returns False. But if x and z are assigned the same values instead of lists (for example x, z = 13, 13) then x is z returns True. Why is that?
– Bill
Dec 13 '15 ...
MenuItemCompat.getActionView always returns null
... support library but the MenuItemCompat.getActionView always return null in every Android version I tested (4.2.2, 2.3.4 ....)
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How to find all tables that have foreign keys that reference particular table.column and have values
I have a table whose primary key is referenced in several other tables as a foreign key. For example:
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Hide keyboard when scroll UITableView
In my app i want hide keyboard when i start scrolling UITableView. I search about this in internet, and most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
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Flask-SQLAlchemy how to delete all rows in a single table
How do I delete all rows in a single table using Flask-SQLAlchemy?
3 Answers
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conditional unique constraint
I have a situation where i need to enforce a unique constraint on a set of columns, but only for one value of a column.
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