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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...QuestionAnswers a
on q.AnswerID = a.AnswerID
where q.QuestionID is null -- and other conditions you might want
I recommend to check what the result set to update is before running the update (same query, just with a select):
select *
from QuestionTrackings q
inner join QuestionAnswers a
on q.Answ...
Should commit messages be written in present or past tense? [closed]
So which is it that you think is better and more intuitive?
12 Answers
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TypeError: not all arguments converted during string formatting python
The program is supposed to take in two names, and if they are the same length it should check if they are the same word. If it's the same word it will print "The names are the same" . If they are the same length but with different letters it will print "The names are different but the same length...
@media media query and ASP.NET MVC razor syntax clash
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use double @@ symbols. That will escape @ symbol and render @media correctly on client side
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#if DEBUG vs. Conditional(“DEBUG”)
Which is better to use, and why, on a large project:
8 Answers
8
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C++ include and import difference
What is the difference between #include and #import in C++?
5 Answers
5
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How do I create and access the global variables in Groovy?
I need to store a value in a variable in one method and then I need to use that value from that variable in another method or closure. How can I share this value?
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How to pick just one item from a generator?
...__() in py3k. The builtin next(iterator) has been around since Python 2.6, and is what should be used in all new Python code, and it's trivial to backimplement if you need to support py <= 2.5.
– Jonathan Baldwin
Apr 10 '14 at 19:58
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How do I create a ListView with rounded corners in Android?
How do I create a ListView with rounded corners in Android?
11 Answers
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Can virtual functions have default parameters?
If I declare a base class (or interface class) and specify a default value for one or more of its parameters, do the derived classes have to specify the same defaults and if not, which defaults will manifest in the derived classes?
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