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Why are ToLookup and GroupBy different?
.ToLookup<TSource, TKey> returns an ILookup<TKey, TSource> . ILookup<TKey, TSource> also implements interface IEnumerable<IGrouping<TKey, TSource>> .
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How is performance affected by an unused using directive?
Visual Studio will automatically create using statements for you whenever you create a new page or project. Some of these you will never use.
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How do you redirect to a page using the POST verb?
When you call RedirectToAction within a controller, it automatically redirects using an HTTP GET. How do I explicitly tell it to use an HTTP POST?
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git add all except ignoring files in .gitignore file
I am adding source control to a project that had none. The problem is that there are a lot of files to initially add to git with a .gitignore file, but I can't figure out how to add all files without including the files matching something in the .gitignore file.
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Purpose of #!/usr/bin/python3
I have noticed this in a couple of scripting languages, but in this example, I am using python. In many tutorials, they would start with #!/usr/bin/python3 on the first line. I don't understand why we have this.
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Get value from hidden field using jQuery
I have a <input type="hidden" value="" id='h_v' class='h_v'> Using jQuery I want to alert the user to this value .
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Converting from Integer, to BigInteger
I was wondering if there was any way to convert a variable of type Integer, to BigInteger. I tried typecasting the Integer variable, but i get an error that says inconvertible type.
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How to return an NSMutableArray from an NSSet
I'm able to put the contents of an NSSet into an NSMutableArray like this:
3 Answers
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Adjusting Eclipse console size
In Eclipse, how do you adjust the maximum lines in the console window? My program outputs 2000 lines of numbers and Eclipse truncates it so therefore I am missing some numbers.
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PostgreSQL: insert from another table
I'm trying to insert data to a table from another table and the tables have only one column in common. The problem is, that the TABLE1 has columns that won't accept null values so I can't leave them empty and I can't get them from the TABLE2.
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