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Check for column name in a SqlDataReader object

... Here is a working sample for Jasmin's idea: var cols = r.GetSchemaTable().Rows.Cast<DataRow>().Select (row => row["ColumnName"] as string).ToList(); if (cols.Contains("the column name")) { } ...
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How to set a stroke-width:1 on only certain sides of SVG shapes?

... definition of the 'stroke-dasharray' property (linked in the answer). The idea here is to match the dash lengths to the sides of the rectangle, and the dash gap with the side that should have no stroke. – Erik Dahlström May 6 '19 at 13:49 ...
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data.table vs dplyr: can one do something well the other can't or does poorly?

... Count = .N ), by = cut ] %>% .[order(-Count)] And the idea of piping with %>% is not limited to just data frames and is easily generalised to other contexts: interactive web graphics, web scraping, gists, run-time contracts, ...) Memory and performance I've lumped these tog...
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Git command to show which specific files are ignored by .gitignore

... One tiny thing - it might be a good idea to type the n first, less chance of accidentally deleting that way; git clean -ndX – Tobias Cohen Nov 24 '11 at 2:13 ...
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UI Design Pattern for Windows Forms (like MVVM for WPF)

...ll application). The application is not that complex but will give you an idea about how to go about creating it. Agile Principles, Patterns, and Practices in C#... You can get the source code at Source Code EDIT: There are two variations of the MVP pattern (a) Passive view and (b) supervisin...
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Memory footprint of Haskell data types

...onstructor defined with newtype is free. newtype is purely a compile-time idea, and it takes up no space and costs no instructions at run time. More details in The Layout of Heap Objects in the GHC Commentary. share ...
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CSS for grabbing cursors (drag & drop)

... over the background. The -moz-grab and -moz-grabbing CSS cursors are ideal for this. Of course, they only work in Firefox... are there equivalent cursors for other browsers? Do I have to do something a little more custom than standard CSS cursors? ...
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Why do I need to explicitly push a new branch?

... the same name! Tracking or not) That means your local first push has no idea: where to push what to push (since it cannot find any upstream branch being either recorded as a remote tracking branch, and/or having the same name) So you need at least to do a: git push origin master But if yo...
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Which Eclipse files belong under version control?

... where we have the .project and .cproject files under source control. The idea was that settings related to library paths and link directives would propagate across the team. In practice it hasn't worked very well, merges almost always come back in a conflicted state which need to be deconflicte...
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How can I get nth element from a list?

...chose is probably the most alarming symbol they could have. So I think the idea was to allows it for edge cases, but make it stand out as non-idiomatic. – cdosborn Sep 26 '16 at 20:04 ...