trim

问题 Is there any difference between jQuery trim and native JavaScript one? Is there any other behaviour, safety, performance? 回答1: JavaScript .trim() was defined in ES 5.1, and will not work for IE<9 . Therefore, if you already use jQuery you could use the less performant $.trim() jQuery's $.trim() Method does: trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); } where rtrim is basically this RegExp new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)"

问题 My application runs with C# and WPF (.net framework 4.0). My goal is to have a DataGrid in which the text in the cells is trimmed with an ellipsis, and automatically has a tooltip with the full text displayed only if the text in the cell is actually trimmed. Solution 1 : I'm currently using this to know if the text is trimmed or not: http://tranxcoder.wordpress.com/2008/10/12/customizing-lookful-wpf-controls-take-2/ The problem is that it only works when I resize the columns. The tooltips don

问题 I am writing one function for getting some different database query. Now things are going well but only need to get last directory name from defined path. $qa_path=site_root('/learnphp/docs/'); I wan to get only docs from above path. Here site_root is nothing but $_SERVER['DOCUMENT_ROOT'] So how can I get only docs ? Thanks 回答1: Easiest way would be to use basename($yourpath) as you can see here: http://php.net/basename 回答2: Provided answer doesn't work if your string contains the file at the

问题 I have a simple form that receives the first name and last name, and I need to remove the whitespaces in the beginning and end of the string. I can do this with the .trim() method, but because is a form, it doesn't let me write a name that has two words, such as Ana Maria, because it doesn't let me press the space key at the end of a word. How can I remove white spaces from both sides of a string but still let me press space and write more than one word? This is the component: export default

问题 I would like to configure JAXB so that it trims whitespaces on all string fields I saw the following answer : How to configure JAXB so it trims whitespaces when unmarshalling tag value? But I do not want to have to annotate all string fields as per the suggested answer @XmlElement(required=true) @XmlJavaTypeAdapter(MyNormalizedStringAdapter.class) String name; Thanks! 回答1: Create a XmlAdapter. package com.foo.bar; public class StringTrimAdapter extends XmlAdapter<String, String> { @Override

问题 I would like to configure JAXB so that it trims whitespaces on all string fields I saw the following answer : How to configure JAXB so it trims whitespaces when unmarshalling tag value? But I do not want to have to annotate all string fields as per the suggested answer @XmlElement(required=true) @XmlJavaTypeAdapter(MyNormalizedStringAdapter.class) String name; Thanks! 回答1: Create a XmlAdapter. package com.foo.bar; public class StringTrimAdapter extends XmlAdapter<String, String> { @Override

问题 Im trying to use regexp to get whatever's behind the # in my string "12344dfdfsss#isa", in this case I wanna get the 'isa' out of the string. I found these answers (How to remove a small part of the string in the big string using RegExp) helpful, but all it returns is 'true'. var myString = '12344dfdfsss#isa', newRG = new RegExp('#(.*)$'), trimmed = newTrim.test(myString); I want it to retun 'isa' and not true. Thanks for any help // I 回答1: Try this: var trimmed = /#(.*)$/.exec('12344dfdfsss

问题 Im trying to use regexp to get whatever's behind the # in my string "12344dfdfsss#isa", in this case I wanna get the 'isa' out of the string. I found these answers (How to remove a small part of the string in the big string using RegExp) helpful, but all it returns is 'true'. var myString = '12344dfdfsss#isa', newRG = new RegExp('#(.*)$'), trimmed = newTrim.test(myString); I want it to retun 'isa' and not true. Thanks for any help // I 回答1: Try this: var trimmed = /#(.*)$/.exec('12344dfdfsss

问题 I want to split this line: string line = "First Name ; string ; firstName"; into an array of their trimmed versions: "First Name" "string" "firstName" How can I do this all on one line? The following gives me an error "cannot convert type void": List<string> parts = line.Split(';').ToList().ForEach(p => p.Trim()); 回答1: Try List<string> parts = line.Split(';').Select(p => p.Trim()).ToList(); FYI, the Foreach method takes an Action (takes T and returns void) for parameter, and your lambda

问题 I have a line of output from a command like this: []$ <command> | grep "Memory Limit" Memory Limit: 12345 KB I'm trying to pull out the 12345. The first step - separating by the colon - works fine []$ <command> | grep "Memory Limit" | cut -d ':' -f2 12345 KB Trying to separate this is what's tricky. How can I trim the whitespace so that cut -d ' ' -f1 returns "12345" rather than a blank? 回答1: Pipe your command to awk, print the 3rd column, a space and the 4th column like this <command> | awk