escaping

问题 In answering another question I became aware that my Javascript/DOM knowledge had become a bit out of date in that I am still using escape / unescape to encode the contents of URL components whereas it appears I should now be using encodeURIComponent / decodeURIComponent instead. What I want to know is what is wrong with escape / unescape ? There are some vague suggestions that there is some sort of problem around Unicode characters, but I can't find any definite explanation. My web

问题 In answering another question I became aware that my Javascript/DOM knowledge had become a bit out of date in that I am still using escape / unescape to encode the contents of URL components whereas it appears I should now be using encodeURIComponent / decodeURIComponent instead. What I want to know is what is wrong with escape / unescape ? There are some vague suggestions that there is some sort of problem around Unicode characters, but I can't find any definite explanation. My web

问题 Yesterday I was speaking with a developer, and he mentioned something about restricting the insertions on database field, like, strings such as -- (minus minus). At the same type, what I know is that is a good approach to escape HTML chars like < , > etc. Not -- . Is this true? Do I have to worry about -- , ++ ? Is it more like a myth or old stuff? Update Thanks a lot for all the answers, it's easy to understand like that since I'm kind of new to all of this. Well, to be more specific in this

问题 Yesterday I was speaking with a developer, and he mentioned something about restricting the insertions on database field, like, strings such as -- (minus minus). At the same type, what I know is that is a good approach to escape HTML chars like < , > etc. Not -- . Is this true? Do I have to worry about -- , ++ ? Is it more like a myth or old stuff? Update Thanks a lot for all the answers, it's easy to understand like that since I'm kind of new to all of this. Well, to be more specific in this

问题 Yesterday I was speaking with a developer, and he mentioned something about restricting the insertions on database field, like, strings such as -- (minus minus). At the same type, what I know is that is a good approach to escape HTML chars like < , > etc. Not -- . Is this true? Do I have to worry about -- , ++ ? Is it more like a myth or old stuff? Update Thanks a lot for all the answers, it's easy to understand like that since I'm kind of new to all of this. Well, to be more specific in this

问题 My question is a simple one, and it is about regular expression escaping. Do you have to escape a forward slash / in a regular expression? And how would you go about doing it? 回答1: What context/language? Some languages use / as the pattern delimiter, so yes, you need to escape it, depending on which language/context. You escape it by putting a backward slash in front of it: \/ For some languages (like PHP) you can use other characters as the delimiter and therefore you don't need to escape it

问题 I need to replace text in a file with a Windows-style directory path containing backslash (REVERSE SOLIDUS) characters. I am already using an alternative expression delimiter. The backslashes appear to be treated as escape characters. How can I keep the backslashes in the output? $ echo DIR=foobar | sed -e "s#DIR=.*#$(cygpath -w $(pwd))#" C:gwin64homelit The desired output is: C:\cygwin64\home\lit 回答1: You'll have to escape metacharacters in sed replacement pattern. Fortunately, there are

问题 I try to insert a row in the table on code igniter from a Array, but something is going wrong. That's the array: Array ( [Date] => 2001-08-15 [Number] => 962883 [Time] => 17:40 [Etc1] => 0 [Etc2] => 0 ) And this the insert: $this->db->insert('mytable', $myarray); A new line is inserted, but all columns are empty! Trying to find de error, I printed the last query by echo $this->db->last_query() ." <br>"; And I got: INSERT INTO `mytable` (`Date`, `Number`, `Time`, `Etc1`, `Etc2`) VALUES ('\02

问题 I found a similar question: Converting integers to UTF-8 (Korean) But I can't figure out how you would do this in .net c# Problem: I have a string from a database - "\354\202\254\354\232\251\354\236\220\354\203\201\354\204\270\354\240\225\353\263\264\354\236\205\353\240\245" That should translate to - 사용자상세정보입력 Any help would be greatly appreciated! 回答1: There are a number of steps involved in the conversion: Extract the individual octal numbers (such as 354 ) from the source string. Convert

问题 I'm working on parsing an xml feed and ii have the following tag <content:encoded> <![CDATA[ <p><a href="http://www.highlandradio.com/wp-content/uploads/2013/07/An-Grianan-Hotel.jpg"><img class="aligncenter size-full wp-image-54286" alt="An Grianan Hotel" src="http://www.highlandradio.com/wp-content/uploads/2013/07/An-Grianan-Hotel.jpg" width="488" height="244" /></a></p> <p>Gardai are appealing for information about last an armed robbery at An Grianan Hotel in Burt in the earkly hours of