trim

问题 I am using coldfusion 9 to add data into a MySQL database from a form. I would like to create a username from the email address inputed into the form. for example, <cfset store_user_email = EMAILADDRESS> <cfset store_username = trim EMAILADDRESS before the @> I'm not sure how to trim down the email address? Any help would be much appreciated. 回答1: <cfset store_username = trim(listFirst(EMAILADDRESS,"@"))> 来源： https://stackoverflow.com/questions/6775360/how-do-i-trim-an-email-input-address-so

问题 This question already has answers here : What is a good alternative of LTRIM and RTRIM in Java? (6 answers) Closed 4 years ago . I have a String printerName; which is 256 characters long. I need to remove whitespaces from right side of the String so that I get only a valid printer name. This solution: st.replaceAll("\\s+","") doesn't work, because a valid printerName can have a whitespaces. And I don't know how many characters I have to delete, becouse there can be many printers. What's the

问题 Presuming that the spaces are not important in a field's data, is it good practice to trim off the spaces when inserting, updating or selecting data from the table ? I imagine different databases implement handling of spaces differently, so to avoid that headache, I'm thinking I should disallow leading and trailing spaces in any field data. What do you think? 回答1: I think it is a good practice. There are few things more soul crushing than spending an hour, a day, or any amount of time,

问题 I am trying to get a VB.NET app to compile. Besides the "elephant in the room", I'm also getting 7 " 'Trim' is not declared " errors on code like this: ...as well as one "'IsNothing' is not declared. It may be inaccessible due to its protection level." on this line: If IsNothing(memberList) = False Then I don't know VB, so there may be a simple solution to this, but I have no clue what the problems are. 回答1: The Trim function requires a reference to Microsoft.VisualBasic from the assembly

问题 What I'm trying to do is to add some HTML tags to my Joomla! module titles. I will need something like this Some <b>Title</b> but when I save !Joomla trims the titles and remove all HTML tags. I've check the administrator/com_content, which I think should be responsible for inserting the database data, but I couldn't find the answer there. Can anyone help me with this headache? 回答1: Check out ../templates/system/html/modules.php You can style your module structure in HTML. function modChrome

问题 Example col1 col 2 col3 300 Broad ST ,(IsNUll((Cast(FLOOR(col1) as CHAR (7) )),'') + ' ' + IsNull(col2,'') + ' ' + isnull(col3,'')) as col4 result i get is 300 Broad ST what i want is 300 Broad St. there is 4 or 5 space between 300 and Broad the data type for col1 is numeric and for col 2 and 3 is nvarchar. I don't want to change the data type. 回答1: This looks a lot like SQL Server. If so: stuff(coalesce(' ' + Cast(floor(col1) as varchar(7)), '') + coalesce(' ' + col2, '') + coalesce(' ' +

问题 i'm still quite new to programming, so please excuse me. I need to do the following: Right now i have a string being output with two value: one with characters and numbers, a comma and the second with just a boolean value. 9fjrie93, 1 I would like to trim the string so it just ourputs as the boolean value. e.g. 1 I then need to perform an equality check on the boolean value. If it's 1 do one thing, else do something else. Would a simple if statement suffuce? Thanks very much 回答1: No need for

问题 This question already has answers here : How do I replace multiple spaces with a single space in C#? (24 answers) Closed 3 years ago . I am trying to remove whitespaces from string but it is not working string status = " 18820 Pacific Coast Highway Malibu, CA 90265"; string status1 = status.Trim(); Console.Write(status1); The above code is not working Expected Output: 18820 Pacific Coast Highway Malibu, CA 90265 回答1: Trim() only works at the start and end of a string. This should work: string

问题 Found this solution to get substring after slash () character DECLARE @st1 varchar(10) SET @st1 = 'MYTEST\aftercompare' SELECT @st1 ,SUBSTRING(@st1, CHARINDEX('\', @st1) + 1, LEN(@st1)) http://social.msdn.microsoft.com/Forums/sqlserver/en-US/5c3a5e2c-54fc-43dd-b12c-1a1f6784d7d8/tsql-get-substring-after-slash-character But is there a way to get substring after second slash or even more? DECLARE @st1 varchar(50) --Added more slashes SET @st1 = 'MYTEST\aftercompare\slash2\slash3\slash4' SELECT

问题 I need cut from page url www. using php trim() function. But this function cut and first letter, why? $domain = parse_url('http://wordpresas.com/page/1'); $domain['host'] = trim($domain['host'], 'www.'); pr($domain['host']); //ordpresas.com 回答1: As other have stated the second parameter of trim() contains a list of characters which get trimmed. However you can use preg_replace() for this. This will make sure only www. will be stripped if the string starts with it. preg_replace('/^www./', '',