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ASP.NET MVC Conditional validation

...eve this by handling "ModelState", by simply removing unwanted validations from it. ...In some class... public bool PropertyThatRequiredAnotherFieldToBeFilled { get; set; } [Required(ErrorMessage = "*")] public string DepentedProperty { get; set; } ...class continues... ...In some c...
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How to delete an object by id with entity framework

... It doesn't work with Azure SQL DataWarehouse due to error "A FROM clause is currently not supported in a DELETE statement.". But the raw SQL as in Jonik's answer works. – Michael Freidgeim Sep 8 '16 at 11:34 ...
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How do you Programmatically Download a Webpage in Java

... You'd most likely need to extract code from a secure web page (https protocol). In the following example, the html file is being saved into c:\temp\filename.html Enjoy! import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileWriter; imp...
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Update a dataframe in pandas while iterating row by row

...in my pseudo code I do the modification on the dataframe, not on the value from the iterator. The iterator value is only used for the index of the value/object. What will fail is row['ifor']=some_thing, for the reasons mentioned in the documentation. – rakke Ma...
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DateTime “null” value

...ed MyNullableDate=date; to set it, MyDate = MyNullableDate.Value; to read from it, and if(MyNullableDate.HasValue) to check if it is null – satibel Dec 22 '16 at 11:06 ...
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How to shift a column in Pandas DataFrame

...in a Pandas DataFrame , but I haven't been able to find a method to do it from the documentation without rewriting the whole DF. Does anyone know how to do it? DataFrame: ...
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node.js remove file

... I believe it comes from the POSIX standard. But you'd think they could add a delete alias! – Nick Sep 13 '12 at 8:04 ...
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Proper way to make HTML nested list?

...t of the list in which it is nested. Link to the W3C Wiki on Lists (taken from comment below): HTML Lists Wiki. Link to the HTML5 W3C ul spec: HTML5 ul. Note that a ul element may contain exactly zero or more li elements. The same applies to HTML5 ol. The description list (HTML5 dl) is similar, b...
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recursion versus iteration

...mmer does a really good job at it+. + I borrowed the sledgehammer analogy from Dijkstra's "Discipline of Programming". share | improve this answer | follow | ...
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How do I put variables inside javascript strings?

... I had an issue while using "arguments". When multiple clients passed from the parse, the "str" was mixed up. Any explanation? – tspentzas Nov 30 '18 at 8:42 ...