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Function vs. Stored Procedure in SQL Server
...ments). Functions are not allowed to change anything, must
have at least one parameter, and they must return a value. Stored
procs do not have to have a parameter, can change database objects,
and do not have to return a value.
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What is the difference between XML and XSD?
... can also use some of the online tools that can do this for you, like this one for example - xsd2xml. Just paste the xsd and it will generate a sample xml document based on it.
– anthares
Jun 13 '16 at 11:15
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How do you get the logical xor of two variables in Python?
... Although this is clever and short, I'm not convinced it's clean. When someone reads this construct in the code, is it immediately obvious to them that this is an xor operation? I felt obliged to add a comment - a sign for me that I'm writing unclear code and try to apologise with a comment.
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Why should I use IHttpActionResult instead of HttpResponseMessage?
...t because your existing code builds a HttpResponseMessage that doesn't fit one of the canned responses. You can however adapt HttpResponseMessage to IHttpActionResult using the canned response of ResponseMessage. It took me a while to figure this out, so I wanted to post it showing that you don't ...
What is the simplest SQL Query to find the second largest value?
...this will not return a result if there are no records before the requested one.
– andig
Oct 8 '15 at 11:42
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Count number of days between two dates
...ing that end_date and start_date are both of class ActiveSupport::TimeWithZone in Rails, then you can use:
(end_date.to_date - start_date.to_date).to_i
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Why would you use String.Equals over ==? [duplicate]
...was introduced to a large codebase and noticed all string comparisons are done using String.Equals() instead of ==
8 A...
Scala: What is the difference between Traversable and Iterable traits in Scala collections?
...understand the difference between Iterable and Traversable traits. Can someone explain ?
4 Answers
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How to change the name of a Django app?
...lt;newAppName>_modelName. For mysql too I think it is the same (as mentioned by @null_radix)
(For Django >= 1.7) Update the django_migrations table to avoid having your previous migrations re-run: UPDATE django_migrations SET app='<NewAppName>' WHERE app='<OldAppName>'. Note: there...
I need to store postal codes in a database. How big should the column be?
...eds editing, since the similar looking postal code for Malta has a generic one like "AAA NNNN". I would not mind to have even 15 characters because it could only be less problem later if we have to adjust column length, also with right use of data types, it should not take all 15 characters anyway (...