Hi, I want to const declare the this pointer received as an argument. static void Class::func(const OtherClass *otherClass) { // use otherClass pointer to read, but not write to it. } It is being called like this: void OtherClass::func() { Class::func(this); } This does not compile nad if i dont const declare the OtherCla...
Hello guys, I have some code which use 'this' pointer of class which calls this code. For example: Some::staticFunction<templateType>(bind(FuncPointer, this, _1)); Here is I'm calling bind function from boost. But it doesn't matter. Now I have to wrap this code. I made a macro: #define DO(Type, Func) Some::staticFunction<Type>(bind(F...
In Java, I have an object that creates a button. Inside that button's onclicklistener I want to reference the object that created the button. Is there some easy way I can do this? ...
The following put the id name of each div inside the div as content: <div id="divDiv"> </div> <div id="divLink"> </div> [...] $('div').each(function() { $(this).prepend($(this).attr('id')) }) will work but $('#divStatus div').prepend($(this).attr('id')) will not. Why is that? I thought $(this) ...
I have a question relating to the usage of "this". Suppose I have two classes A & B; their rough outline is as follows: class A { public: ... void AddB( B* b ) { // inserts B into the vector v } private: std::vector<B*> v; }; class B { public: ... void foo( void ) { ... // Adds itself to th...
I'm doing this: $("#bcdialog").dialog({ resizable: true, height: 400, width: 600, modal: true, autoOpen: false, buttons: { 'cancel': function() { $(this).dialog('close'); } 'save': function() { $("#bcdialog form").submit(); } } }); I would like to know if it ...
I have a very strange question. I have a class/function : class MCBSystem { [...] template <class Receiver> void setCallBack(int i, Receiver* receiver, void(Receiver::*function)(void*)) { iCallBacks.at(i) = new CallBack<Receiver>(receiver, function, this); }; }; And I inherit it (multiply) in another class :...
I have a form with labels and input fields. When clicking into a field I want to style the field with CSS and display some information about the input requirements in a div under the label. The focus() and blur() events add the classes for styling the field just fine but trying to show/ hide the info divs triggers the methods on ALL fie...
Hi, straight and clear as the title says :) Background: I run into some tutorial and I realized that I missed some things... So, I would really appreciate if anyone can point out any must_know_facts with an example. Thanks! ...
I was working on a project for a while, trying to figure out what I was doing wrong, when I finally narrowed "the bug" down to the fact that the below code doesn't work as I expected: function Alpha() { this.onion = 'onion'; function Beta() { alert(this.onion); } Beta(); } alpha1 = new Alph...
Possible Duplicate: jQuery $(this) vs this In jquery sometimes I find that within a function I have to use $(this) because this won't work: var listItems = $('li'); listItems.each(function(index) { $(this).css({ }) }) Any ideas as to the reason why? ...
I am a java/php developer helping someone with actionscript. I don't understand why "this" is undefined in the below code. this is only a snippet of the code, but hopefully it's gives an idea of where i'm trying to reference "this". I'm trying to find out which movie the tween is moving so that i can load the next movie. Tweens are u...
Suppose I have JavaScript code like myClass = function(){ function doSomething(){ alert(this); // this1 } } alert(this); //this2 What those two 'this' objects are refer for?? ...
I have the following error when running the page below: "this.testpublic is not a function" test = function() { var testprivate = function() { this.testpublic(); } this.testpublic = function() { console.log('test'); } testprivate(); } new test(); Apparently w...
I'm a beginner to closures (and Javscript in general), and I can't find a satisfactory explanation as to what's going on in this code: function myObject(){ this.myHello = "hello"; this.myMethod = do_stuff; } function do_stuff(){ var myThis = this; $.get('http://example.com', function(){ alert(this.myHello); ...
Is it possible to use a :selector with the following in jQuery? $('.galler_attr').bind('click', function() { $(this:first-child).css('color', 'red'); }); ...
I have a page of search results, each of which has an icon to add each result to a group (listed on the page in a hidden UL element: display:none;). Right now it works... but when I click on the icon for one result listing... the UL appears under every single result. I need it to only show up for the result listing that I am clicking t...
I have created a CalendarViewerPortlet custom object JS object. In this object, I am storing things like the portlet's id and its context path. The object also has many custom methods, some to get/set the member variables and some to do specific things. When I try to reference a function of the object using "this." inside of a jQuery fu...
How can I pass the $this (the self keyword) to a function in Jquery $(document).ready(function() { $('.nav a').click(function() { var direction = $(this).attr("name"); submit_form($(this)) }); function submit_form(this) { // do some stuff with 'this' ...
Here's a function for use as an event handler that makes use of this: function validate() { if (this.val() == '') { return false; } } $(':input').change(validate); Here's the same function rewritten to take an argument, so that I can call it explicitly: function validate(field) { if ($(field).val() == '') { return fals...