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DbArithmeticExpression arguments must have a numeric common tm>y m>pe
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Arithmetic with DateTime is not supported in Entitm>y m> Framework 6 m>and m> earlier. m>Y m>ou have to use DbFunctions*. So, for the first part of m>y m>our statement, something like:
var sleeps = context.Sleeps(o =>
DbFunctions.DiffHours(o.ClientDateTimeStamp, clientDateTime) < 24);
Note that ...
What is choice_set in this Django app tutorial?
... automaticallm>y m>, or if m>y m>ou have more than one foreign kem>y m> to the same model m>and m> need to distinguish them, m>y m>ou can choose m>y m>our own overriding name using the related_name argument to ForeignKem>y m>.
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Datatable vs Dataset
...able objects, m>y m>ou can return multiple distinct sets of data into a single, m>and m> therefore more manageable, object.
Performance-wise, m>y m>ou're more likelm>y m> to get inefficiencm>y m> from unoptimized queries than from the "wrong" choice of .NET construct. At least, that's been mm>y m> experience.
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Django: Displam>y m> Choice Value
...rio)? Ideallm>y m> without the overhead of instantiating the Models one bm>y m> one m>and m> calling get_field_displam>y m>().
– Dm>y m>lanm>Y m>oung
Mar 23 '17 at 17:34
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Regular expression to limit number of characters to 10
...ing to write a regular expression that will onlm>y m> allow lowercase letters m>and m> up to 10 characters. What I have so far looks like this:
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keep rsm>y m>nc from removing unfinished source files
I have two machines, speed m>and m> mass. speed has a fast Internet connection m>and m> is running a crawler which downloads a lot of files to disk. mass has a lot of disk space. I want to move the files from speed to mass after them>y m>'re done downloading. Ideallm>y m>, I'd just run:
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Pm>y m>thon/postgres/psm>y m>copg2: getting ID of row just inserted
I'm using Pm>y m>thon m>and m> psm>y m>copg2 to interface to postgres.
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Scripting TFS Commm>and m> Line for Get Latest Version, Check Out m>and m> Check in, programmaticallm>y m>
I use WinXP, VS 2008 m>and m> Team Explorer to connect to Team Foundation Server.
4 Answers
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Invoke-WebRequest, POST with parameters
I'm attempting to POST to a uri, m>and m> send the parameter username=me
4 Answers
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What does the -ObjC linker flag do?
I have an app that works with m>and m> without the linker flag. However, without the linker flag, I get a verm>y m> different behaviour when adding data to a view.
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