ampersand

问题 I have a large String in which I have & characters used available in following patterns - A&B A & B A& B A &B A&B A & B A& B A &B I want to replace all the occurrences of & character to & While replacing this, I also need to make sure that I do not mistakenly convert an & to & . How do I do that in a performance savvy way? Do I use regular expression? If yes, please can you help me to pickup the right regular expression to do the above? I've tried following so far with no joy: data = data

问题 void getnums(int *a, int *b); int main() { int a; int b; int c; getnums(&a,&b); c = a + b; printf("a + b = %d\n", c); return 0; } void getnums(int *a, int *b) { printf("a:? "); scanf("%d", a); printf("b:? "); scanf("%d", b); } Why don't I need ampersands before the a and b in the scanfs? (The code currently works.) 回答1: Because scanf takes pointers as its arguments (so that it knows what variable to modify), and a and b are already pointers. 回答2: Whenever we scan some input it needs a memory

问题 I am running a query in Oracle and that query is ordered by a column that may have values with ampersand. However, it seems that ampersand is being ignored by the sorting algorithm. For instance: select * from ( select '&' txt from dual union select 'P' txt from dual union select 'N' txt from dual ) order by txt Prints exactly (and correctly, I guess): & N P However, if I change the text with '&' to '&Z', the result changes: select * from ( select '&'||'Z' txt from dual // concatenating just

问题 I'm getting mixed signals all over the place. Do I use the ampersand to pass variables by reference or not? The following link seems to tell me that it is deprecated and no longer necessary: http://gtk.php.net/manual/en/html/tutorials/tutorials.changes.references.html But threads like these make me wonder: Call-time pass-by-reference deprecated? PHP and ampersand Let me phrase my question as an example. If I make a function, using PHP 5.5.5: function recurring_mailer_form($form, $form_state)

问题 I am working with an XML feed that has, as one of it's nodes, a URL string similar to the following: http://aflite.co.uk/track/?aid=13414&mid=32532&dl=http://www.google.com/&aref=chris I understand that ampersands cause a lot of problems in XML and should be escaped by using & instead of a naked & . I therefore changed the php to read as follows: <node><?php echo ('http://aflite.co.uk/track/?aid=13414&mid=32532&dl=http://www.google.com/&aref=chris'); ?></node> However when this generates the

问题 How to pick the correct error() member function? Do I need to cast somehow? using namespace std; struct test { int error(); void error(int x); int fun(); }; int main() { auto f1 = &test::error; // how to pick the correct function? auto f2 = &test::fun; // works } 回答1: Do I need to cast somehow? Yes, you can use static_cast. static_cast may also be used to disambiguate function overloads by performing a function-to-pointer conversion to specific type, as in std::transform(s.begin(), s.end(), s

问题 I'm working on a less to sass conversion and have a few instances of classes on the html tag that I need to use to modify the styling of a particular class: .shell { width: 100%; ... .medium-viewport & { width: 800px; .lt-ie8& { width: 750px; } ... } .wide-viewport & { width: 950px; ... } ... } I want to join the lt-ie8 class with the medium-viewport class: .lt-ie8.medium-viewport .shell {width: 750px;} Some of the files have a lot of rules in them for different conditions coming in on the

问题 i use tinyMce as my editor. everything is fine with sending content to save in database or echo it out. but when an ampersand sign "&" comes , all data after that truncated and dont save in database or echo out what should i do. here i have file , it's only 1kb, please download it, run it thank you everyone. Download File please if you could fine a way to get rid of "&" sign tell me and others how... . 回答1: the problem is surely in the js. you should use encodeURIComponent() to send

问题 A bit of background: I'm using the jQuery UI sortable serialize method which produces something along the following: category[]=Value & One&category[]=ValueTwo&category[]=ValueThree I then make an Ajax request to send the data off (POST) to a web service. I'm currently using the HttpUtility.ParseQueryString method to push the data into a collection, but a problem arises with the & as it results in: "Value" ("& One" is cut off). This seems like it should be incredibly easy to fix, but for some

问题 Hopefully im not missing an already existing answer to this question. Im working with a wordpress theme that uses jquery ui autocomplete to provide category selections in a front end form. Code is below. Problem is that if a category name has an &, it cant display the character and instead shows & in the autocomplete box. Can i make it show the character properly? ` jQuery(function(){ /* Auto Complete */ var availableTags = [ <?php $terms_array = array(); $terms = get_terms( 'majors', 'hide