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SQL UPDATE SET one column to be equal to a value in a related table referenced by a different column
...onID 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.AnswerID = a.AnswerID
where q.QuestionID is null -- and other c...
How to sort an array of integers correctly
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@bambery, you actually misunderstand what the arrow function is doing. You think that it somehow passes this into the function but that isn't true. It actually neglects to create a this and the arguments variable which usually overwrite the parent variables. The...
How to run multiple shells on Emacs
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Thanks, Matt. What does C-u mean/do here?
– Tim
Sep 22 '14 at 11:34
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Why is SQL Server 2008 Management Studio Intellisense not working?
...id a refresh (Ctl-Shft-R) again and VOILA! Intellisense is working again.
What a crappy design. Maybe the population of Intellisense's lists chokes when a database exists but is offline. Thanks Microsoft.
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How to get the body's content of an iframe in Javascript?
What I want to get is:
9 Answers
9
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Finding duplicate values in a SQL table
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What about cases where any of the columns have null values?
– Ankit Dhingra
Sep 16 '16 at 6:38
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How to use Python's pip to download and keep the zipped files for a package?
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The --download-cache option should do what you want:
pip install --download-cache="/pth/to/downloaded/files" package
However, when I tested this, the main package downloaded, saved and installed ok, but the the dependencies were saved with their full url path ...
PHP session lost after redirect
...ow they SHOULD...but this fixed my problem at least until I can understand what may be going on in the bigger picture.
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How can a string be initialized using “ ”?
...d keep in mind the string equality.
Here a short JUnit test to demonstrate what I mean.
@Test
public void stringTest() {
// a string literal and a string object created
// with the same literal are equal
assertEquals("string", new String("string"));
// two stri...
How do I create a foreign key in SQL Server?
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This is what I do, but I have a question, Is there a point of adding the "foreign key" keywords? - it seems to work without that, e.g.: question_exam_id uniqueidentifier not null references exams(exam_id)
– JSid...