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Git diff -w ignore whitespace only at start & end of lines

...if you want a built in solution. However, if you don't mind getting your hands dirty there's a rather old patch floating out there somewhere that adds support for "--ignore-space-at-sol". share | i...
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Default value of a type at Runtime [duplicate]

... There's really only two possibilities: null for reference types and new myType() for value types (which corresponds to 0 for int, float, etc) So you really only need to account for two cases: object GetDefaultValue(Type t) { if (t.IsValueType) return Activator.CreateInstance(...
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Programmatically select text in a contenteditable HTML element?

... input or textarea element. You can focus an input with ipt.focus() , and then select its contents with ipt.select() . You can even select a specific range with ipt.setSelectionRange(from,to) . ...
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T-SQL get SELECTed value of stored procedure

... there are three ways you can use: the RETURN value, and OUTPUT parameter and a result set ALSO, watch out if you use the pattern: SELECT @Variable=column FROM table ... if there are multiple rows returned from the query, your @Variable will only contain the value from the l...
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npm can't find package.json

... Update 2018 This is becoming quite a popular question and my answer (although marked as correct) is no longer valid. Please refer to Deepali's answer below: npm init Original Outdated Answer I think you forgot to setup the directory for express: express <yourdirectory&gt...
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Serializing a list to JSON

...atively, other, less mainstream options are available like Utf8Json parser and Jil: These may offer superior performance, if you really need it but, you will need to install their respective packages. If stuck using .Net Core 2.2 or earlier; Default to using Newtonsoft JSON.Net as your first choic...
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Which @NotNull Java annotation should I use?

...make my code more readable as well as use tooling like IDE code inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions. Many of the tools seem incompatible with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be t...
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How can I create a correlation matrix in R?

...correlation. So, the number of rows must be the same between your matrix x and matrix y. Ex.: set.seed(1) x <- matrix(rnorm(20), nrow=5, ncol=4) y <- matrix(rnorm(15), nrow=5, ncol=3) COR <- cor(x,y) COR image(x=seq(dim(x)[2]), y=seq(dim(y)[2]), z=COR, xlab="x column", ylab="y column") text...
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Why can't I use background image and color together?

What I am trying to do is to show both background-color and background-image , so that half of my div will cover the right shadow background image, and the other left part will cover the background color. ...
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How to capture the browser window close event?

...ddress bar, search box, or a bookmark. You could exclude form submissions and hyperlinks (except from other frames) with the following code: var inFormOrLink; $('a').on('click', function() { inFormOrLink = true; }); $('form').on('submit', function() { inFormOrLink = true; }); $(window).on("before...