ellipsis

问题 I'm confused how ... works. tt = function(...) { return(x) } Why doesn't tt(x = 2) return 2 ? Instead it fails with the error: Error in tt(x = 2) : object 'x' not found Even though I'm passing x as argument ? 回答1: Because everything you pass in the ... stays in the ... . Variables you pass that aren't explicitly captured by a parameter are not expanded into the local environment. The ... should be used for values your current function doesn't need to interact with at all, but some later

问题 I'm confused how ... works. tt = function(...) { return(x) } Why doesn't tt(x = 2) return 2 ? Instead it fails with the error: Error in tt(x = 2) : object 'x' not found Even though I'm passing x as argument ? 回答1: Because everything you pass in the ... stays in the ... . Variables you pass that aren't explicitly captured by a parameter are not expanded into the local environment. The ... should be used for values your current function doesn't need to interact with at all, but some later

问题 What I'm trying to accomplish is a title which fills its available parent div width, but if its copy doesn't fit in the div it should truncate with ellipsis. Additionally it should also have an icon after it, which shouldn't disappear on truncation, but always show after the ellipsis. Another requirement is that the parent div should have one or more buttons, of not-specific width, that stay on the far right, but if the div is resized it should truncate the long title, allowing the icon to

问题 One can use deparse(substitute()) combination to extract the parameter name inside the function like this function names_from_dots <- function(...) { deparse(substitute(...)) } data(iris) data(swiss) names_from_dots(iris) #[1] "iris" names_from_dots(swiss) #[1] "swiss" extracts the name of a data.frame passed in ... (dots) parameter. But how can one extract every name of passed multiple data.frames names_from_dots(swiss, iris) [1] "swiss" names_from_dots(iris, swiss) [1] "iris" When this only

问题 One can use deparse(substitute()) combination to extract the parameter name inside the function like this function names_from_dots <- function(...) { deparse(substitute(...)) } data(iris) data(swiss) names_from_dots(iris) #[1] "iris" names_from_dots(swiss) #[1] "swiss" extracts the name of a data.frame passed in ... (dots) parameter. But how can one extract every name of passed multiple data.frames names_from_dots(swiss, iris) [1] "swiss" names_from_dots(iris, swiss) [1] "iris" When this only

问题 I'm trying to implement ellipsis in Umbraco, the requirement being 15 characters of intro text but always ending on a full word. I thought of using XSLT, but then realised that I can use a simple extension method written in C# instead. I can easily substring the text and append "..." but am stuck with the issue of having to end it with a full word.. Here's my code so far (very complicated :p) public string Ellipsis(string text, int length) { return text.Substring(0, length) + "..."; } Example

问题 I'm trying to implement ellipsis in Umbraco, the requirement being 15 characters of intro text but always ending on a full word. I thought of using XSLT, but then realised that I can use a simple extension method written in C# instead. I can easily substring the text and append "..." but am stuck with the issue of having to end it with a full word.. Here's my code so far (very complicated :p) public string Ellipsis(string text, int length) { return text.Substring(0, length) + "..."; } Example

问题 I am using Datatables on a site with bootstrap and jquery for a large (2000+ entries) table. Some of the (text) values are way too long and at the moment I use something like this: render: function ( data, type, row ) { return data.length > 35 ? data.substr( 0, 35 ) +'…' : data; } in Datatables to cut the strings and display the full value in the html title. Is there a better way to do this? Like a plugin that automatically cuts but shows all when clicked on or something similar? I was not

问题 I am using Datatables on a site with bootstrap and jquery for a large (2000+ entries) table. Some of the (text) values are way too long and at the moment I use something like this: render: function ( data, type, row ) { return data.length > 35 ? data.substr( 0, 35 ) +'…' : data; } in Datatables to cut the strings and display the full value in the html title. Is there a better way to do this? Like a plugin that automatically cuts but shows all when clicked on or something similar? I was not

问题 I have a DataGridView in readonly mode in a .NET 3.5 (Visual Studio 2008) WinForms application. The cells' width is very small. Some of the cells contain a short number. Now, even with a small font, sometimes the number is shown with an ellipsis. For example "8..." instead of "88" . Is there a way to let the text flow over the next cell in a standard DataGridView and avoid the ellipsis? Thanks! 回答1: I found the solution given here by KD2ND to be unsatisfying. It seems silly to fully re