I\'ve a question regarding ternary boolean logic that affects how to implement comparison between polymorphic entities in our LINQ provider.
Normally when o开发者_JS百科rdering ascending by a field, you get the NULL values first, and then the more interesting values. Often, you want NULL values last. In MySQL, you can do this with:
Here is a Doctrine schema: Device: columns: name:{ type: string(60), } os_version_id:{ type: int(11), notnull: false }
Now I am developing a stored proc which takes 3 input parameters.开发者_StackOverflowBut the challenge is that the customer doesn\'t have to enter any of these parameters; they may instead have these
H开发者_JS百科ow to search for documents in a collection that are missing a certain field in MongoDB?Yeah, it\'s possible using $exists:
I have a simple class which has a ToString implemented which I am happy with the content. I am trying to decide what is the (most) correct way by seeing if there are any pro\'s/con\'s for the various
Database vary in implementation and how they handle the querying and storing of the data. Does having null valued attributes consume storage space?
I\'m new at programming and I need help with this little hurdle. I\'m making a simple chat program, with a server and a chat client. So my client starts, and creates a network connection just fine, wh
I have a table with 100,000 records described as: ID primary unique int (5) Ticket unique int (5) user varchar (20)
After parsing the docum开发者_StackOverflow社区engt I am getting null, even though the document contains data.
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