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EF Code First foreign key without navigation property

...class and sql is just the above SQL command as string. Be aware that with all this EF has no clue that ParentId is a foreign key that describes a relationship. EF will consider it only as an ordinary scalar property. Somehow all the above is only a more complicated and slower way compared to just o...
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How to create abstract properties in python abstract classes

In the following code, I create a base abstract class Base . I want all the classes that inherit from Base to provide the name property, so I made this property an @abstractmethod . ...
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Remove all special characters from a string in R?

How to remove all special characters from string in R and replace them with spaces ? 3 Answers ...
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Custom HTTP headers : naming conventions

... other words, you can keep using "X-" prefixed headers, but it's not officially recommended anymore and you may definitely not document them as if they are public standard. Summary: the official recommendation is to just name them sensibly without the "X-" prefix you can keep using "X-" prefixe...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If yo...
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How to get key names from JSON using jq

...fy -r then you get a quoted string, which looks fine on-screen, but you usually don't want the quotes embedded in the string. – MarkHu Apr 26 '18 at 2:49 4 ...
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Reading InputStream as UTF-8

...ug that the OutputStreamWriter constructors have: only one of the four actually condescends to tell you when something goes wrong. You again have to use the fancy CharsetDecoder dec argument there, too. The only safe and sane thing to do is to consider all other constructors deprecated, because they...
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Render a variable as HTML in EJS

...de ('newline slurping') with -%> ending tag Whitespace-trim mode (slurp all whitespace) for control flow with <%_ _%> Control flow with <% %> So, in your case it is going to be <%- variable %> where variable is something like var variable = "text here <br> and some more t...
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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?

...cessary instead of DateTime. So use Time.strptime("1318996912345",'%Q').to_f and you will see the milliseconds preserved, while DateTime.strptime("1318996912345",'%Q').to_f does not preserve it. – skensell Feb 22 '17 at 15:20 ...
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How to get the name of a function in Go?

... @themihai I don't know, the sentence I quoted is all the docs at golang.org/pkg/reflect/#Value.Pointer say about this. But the quote seems to indicate that one could get the same pointer for different functions, doesn't it? And if this is the case, GetFunctionName might r...