escaping

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: How does one escape characters in Delphi string In Delphi a string is contained within a pair of ' but I need to use ' in my string... and when I use one it brings a end to the entire string identification. 'inside string ' but this bit is outside' inside again' and the end Is there some symbol that removes the coding affect of the next character? 回答1: You need another quote to escape a quote: Writeln('I''m in

问题 If for the following code: printf("HEllo\n"); // do not change this line. printf("\b\bworld"); I need an output: Helloworld (In a single line). But this does not work fine. Could anyone please explain the reason? And other escape sequence if any. 回答1: Remove "\n" from your first printf. It moves the cursor to a new line. Here is the list of escape sequences. If you can't remove "\n", then you can do make a copy of a substring without these charaters. See the following example: const char*

问题 I'm having a problem trying to escape some code... Basically, I want to escape "<" and ">" but I want them to APPEAR in my #output div as "<" and ">". Currently, they appear as as "<" and ">" on the page. This is obviously to prevent anyone exploiting / injecting scripts on the page. This is my code: var textval = $("#textarea").val(); //textarea filtered = textval.replace(/</gi,"<"); //replace "<" $("#output").html(filtered); //insert textarea data into div Can anybody spot what I am doing

问题 I am trying to run a query in SQL 2008 by doing: @query varchar(max) SET @query = 'SELECT * FROM Table WHERE [Name] = ' 'Karl' ' ' EXEC(@query) The problem is that for some reason the apostrophes around 'Karl' don't get escaped, i.e. the query executes as ...WHERE [Name] = Karl and fails. Anyone have a suggestion? Thanks Karl 回答1: There are several ways that you can escape character data in SQL Server, some people even advocate the use of the QUOTENAME() functions. If you really want to

问题 I am trying to mount a windows shared folder on Mac OSX Mavericks. A simplistic user name and password worked fine mount -t smbfs //user2:password2@server1.mydomain.com/myproject ~/localmap On trying out the more valid user name and password I am getting errors that parsing URL failed. The details are Username: mydomain\user1 Password: A%b$c@d!e#f The command tried is mount -t smbfs //mydomain\user1:A%b\$c\@d\!e#f@server1.mydomain.com/myproject ~/localmap Based on what I found, $ and ! needs

问题 I need to escape the @ that use the password because it is confused with the host. Example 1: git clone https://user:p@ssword@github.com/user/repo.git When I run the above example, it's wrong, because as the password has @ he understands that the next parameter is the host. tried to escape with \ or you can use the url between "" but it was not. Example 2: (echo user; echo p@ssword) | git clone https://github.com/usuario/repo.git When I use only the command, git clone https://github.com

问题 I need to escape the @ that use the password because it is confused with the host. Example 1: git clone https://user:p@ssword@github.com/user/repo.git When I run the above example, it's wrong, because as the password has @ he understands that the next parameter is the host. tried to escape with \ or you can use the url between "" but it was not. Example 2: (echo user; echo p@ssword) | git clone https://github.com/usuario/repo.git When I use only the command, git clone https://github.com

问题 I have a NSString that may contain quotes,\, /, \r, \n, and I want to convert it to a JSON encoded string so strings like this "text1\text2" becomes \"text1\\text2\" Is there a existing function to let me do this? Also, I am using SBJson in my project but I cannot find whether SBJson can do this or not. NSJSONSerialization is not on the table since my application still needs to support OSX 10.6 回答1: Does this answer your question? -(NSString *)JSONString:(NSString *)aString { NSMutableString

问题 I'm trying to get rid of curly apostrophes (ones pasted from some sort of rich text doc, I imagine) and I seem to be hitting a road block. The code below isn't working for me. $word = "Today’s"; $search = array('„', '“', '&#146;'); $replace = array('"', '"', "'"); $word = str_replace($search, $replace, htmlentities($word, ENT_QUOTES)); What I end up with is $word containing 'Today&#146;s'. When I remove the ampersands from my $search array, the replace takes place but this, obviously, will

问题 I'm trying to get rid of curly apostrophes (ones pasted from some sort of rich text doc, I imagine) and I seem to be hitting a road block. The code below isn't working for me. $word = "Today’s"; $search = array('„', '“', '&#146;'); $replace = array('"', '"', "'"); $word = str_replace($search, $replace, htmlentities($word, ENT_QUOTES)); What I end up with is $word containing 'Today&#146;s'. When I remove the ampersands from my $search array, the replace takes place but this, obviously, will