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  • possible implementations of casting in c++

    - by lego69
    I have this snippet of the code in my header: class A { private: int player; public: A(int initPlayer = 0); A(const A&); A& operator=(const A&); ~A(); void foo() const; friend int operator==(const A& i, const A& member) const; }; implementation of the operator== int operator==(const A& i, const A& member) const{ if(i.player == member.player){ return 1; } return 0; } and I need casting for this part of my code: A *pa1 = new A(a2); assert(i == *pa1); i - is some int, which my function receives I receive an error non-member function, How can I fix it? thanks in advance

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  • Javascript: Retrieve Object Property Names

    - by Jason
    I'm trying to write a function that needs to know the property names of an object being passed in, like so: var data = { "key1":"value1", "key2":"value2", etc} ^ i want the string value "key1" How do I retrieve the string "key1" from data? I know I can set a property dynamically like data[prop]=value but i want to know what prop is from an object passed in. If that doesn't make sense I suppose I could try to explain more. Thanks! I eventually want to do something like: for (var i = 0; i<data.length; i++) { var name = data[i].getPropertyName() <--- not a real function // do stuff }

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  • How to add visible menu item from php code (drupal)

    - by uta
    I have a content type with important "created" date field. And I have a menu link (in primary links) which is link to page that shows list of all nodes of my content type. (http://example.com/mycontenttype) I want to have menu links (visible in primary links) to each year when nodes of my content type are displayed (http://example.com/mycontenttype/2010). And I want to add these menu links from mymodule_nodeapi function, when the node is creating and only if it has a "created" date of new year. I know that I can create a pathes in mymodule_menu function, but it doesn't create a visible menu item. (Maybe I can somehow set parent_link_id or something else to do it?)

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  • C++ OOP: Which functions to put into the class?

    - by oh boy
    Assume I have a class a: class a { public: void load_data( ); private: void check_data( ); void work_data( ); void analyze_data( ); } Those functions all do something with the class or one of its members. However this function: bool validate_something( myType myData ) { if ( myData.blah > 0 && myData.blah < 100 ) { return true; } return false; } Is related to the class and will only be called by it, so it won't be needed anywhere else Doesn't do anything with the class or its members - just a small "utility" function Where to put validate_something? Inside or outside the class?

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  • JQuery - Find the first identical class after a specific class.

    - by WEBProject
    Hi guys, lets say I have this divs: <div class="item current"><strong>Example 1</strong></div> <div class="item"><strong>Example 2</strong></div> Im have this code: var News = { init : function(){ $('#news-content') .find('.item:first-child') .addClass('current') .show('slide',{direction:"up"},500); $('#news-content') .find('.item:first-child') .addClass('current') .delay(1000) .hide('slide',{direction:"down"},500); this.show() }, show : function() { // ... } } $(document).ready(News.init) After the init - I want to catch the next "item" after "current" class and make the same operation as "init" on it. how can I do it with jquery?

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  • How to validate the radio button and checkbox?

    - by xasjaiod123
    For radio button: $(document).ready(function() { $('#select-number').click(function() { if ($('input:radio', this).is(':checked')) { return true; } else { alert('Please select something!'); return false; } }); }); It is working fine when no radio button is selected. But When I select the radio button and submit the form Then also it is giving me the alert message 'Please select something!' Is there any good tutorials available for validation using Jquery for newbie.

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  • Display x if x display y if y (bad title I know)

    - by user1914940
    Ok so after reading the title you are most likely like...what? Ok, so I have a jquery code that displays input box if an item with prefix Blue from dropdown menu is selected. Code: $(function() { $('#text1').hide(); $('#select2').on('change', function(event) { var opt = this.options[ this.selectedIndex ]; var picked_blue = $(opt).text().match(/Blue/i); if(picked_blue) { $('#text1').show(); } else { $('#text1').hide(); } }); }); But what I also need to add is to display something else if any other item from dropdown menu is selected.

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  • Merging $.get and $.ready

    - by cwolves
    Put simply I have an ajax call that sometimes completes before the page is loaded, so I tried wrapping the callback in $( fn ), but the callback doesn't fire if the page is loaded... Anyone have a good solution to this? $.get( '/foo.json', function( data ){ $( function(){ // won't get here if page ready beats the ajax call // process data $( '.someDiv' ).append( someData ); } ); } ); And yes, I know that if I flipped the order of those it would always work, but then my ajax calls would be needlessly deferred until the document is ready.

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  • putting data from a for loop into a table using matlab and fprintf

    - by user2928537
    I am trying to put the following data from my for loop into a table formatted so that there are 11 values of F in each column, with a total of 4 columns. but I am always ending up with one long column of my data instead of the four columns I want. I was wondering if there is some way to put the data into a matrix and then reshape it, but I am having trouble. Any help greatly appreciated. fprintf ('Electrostatic Forces:\n') for r = 1:4; q2 = 0: 1*10^-19: 1*10^-18; for F = coulomb(q2,r); fprintf ('%d\n',F) end end Where the code for the function coulomb is function F = coulomb (q2,r); k = 8.98*10^9; q1 = 1.6*10^-19; F = k*abs(q1*q2)/r^2; end

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  • C# 4.0 how to pass variables to threads?

    - by Aviatrix
    How would i pass some parameters to a new thread that runs a function from another class ? What i'm trying to do is to pass an array or multiple variables to a function that sits in another class and its called by a new thread. i have tried to do it like this Functions functions = new Functions(); string[] data; Thread th = new Thread(new ParameterizedThreadStart(functions.Post())); th.Start(data); but it shows error "No overload for method 'Post' takes 0 arguments" Any ideas ?

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  • PHP object cannot find method

    - by Daniel Hertz
    Hello, So I have a very simple class that has a method called getThumbUrl() but when I try calling this method on an instance I get Notice: Undefined property: FlickrImage::$getFullUrl But it is clearly there. Here is the code of the function: public function getThumbUrl() { return "http://farm".$this->_farm.".static.flickr.com/".$this->_server."/".$this->_id."_".$this->_secret."_t.jpg"; } And here is where it fails: foreach($photos as $photo) { echo "<img src='$photo->getFullUrl()' />"; } Any ideas? Thanks!

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  • jQuery .click() .toggle() - change display and swap character

    - by danit
    Here is my jQuery: $('.ask').click(function() { $('.addtitle').slideToggle('fast', function() { // Animation complete. }); }); And my HTML: <p class="ask">+</p> <div class="addtitle"> <p>Give your Idea a great title</p> <form name="input" action="#" method="get"> <input id="title" type="text" name="title" /> <input id="go" type="submit" value="Go" /> </form> </div> I have multiple .ask div's on the page and I only want it to effect the .next() div named .ask rather than all div's named .ask. I also want to .toggle() the '+' character to '-' Can anyone assist?

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  • Download content of the page using ajax jquery

    - by niao
    Greetings, how can I download some page content using ajax and jquery: I am doing something like that (2 versions inside one script): $("p").click(function() { $('#result').load('http://google.com'); $.ajax({ url='www.google.com', success: function(data) { $("result").html(data); alert('Load was performed.'); var url = 'www.wp.pl'; $('div#result').load(url); //var content = $.load(url); //alert(content); //$("#result").html("test"); } }); }); but it does not return any content

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  • session_regenerate_id(true) not work

    - by user995789
    I use wampserver2.1 php5.3.3, I found session_regenerate_id(true) not work in my script,document says when I set the parameter 'delete_old_sessions' true, there should be a new sid and all the session variables should be deleted, but the fact is after the function, $_session[abc] is still there. did I misunderstand the function,what is my problem? I appreciate if anyone can help me, <?php session_start(); $_SESSION['abc']=12323; session_regenerate_id(true); echo $_SESSION['abc']; ?> I thought it should display none, but it outputs:12323

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  • Access a static variable by $var::$reference

    - by chuckg
    I am trying to access a static variable within a class by using a variable class name. I'm aware that in order to access a function within the class, you use call_user_func(): class foo { function bar() { echo 'hi'; } } $class = "foo"; all_user_func(array($class, 'bar')); // prints hi However, this does not work when trying to access a static variable within the class: class foo { public static $bar = 'hi'; } $class = "foo"; call_user_func(array($class, 'bar')); // nothing echo $foo::$bar; // invalid How do I get at this variable? Is it even possible? I have a bad feeling this is only available in PHP 5.3 going forward and I'm running PHP 5.2.6. Thanks.

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  • Issue in event.PreventDefault()

    - by Prathiba
    I'm using twitter bootstrap in my application. i gave e.preventDefault for link button in $(document).reday(), but it is not working. Here is my code: Master page: <a id="lnkLogout" href="javascript:void(0);" onclick="PageLogout();"><i class="icon-off"> </i>Logout</a> <script type="text/javascript" language="javascript"> $(document).ready(function () { $('#lnkLogout').click(function (e) { e.preventDefault(); }); }); function PageLogout() { //Code for logout from the application.... } </script> SampleDefaultPage.aspx : <div class="row-fluid"> <div class="form-horizontal"> <h4 class="header blue bolder smaller"> Contact</h4> <div class="control-group"> <label for="form-field-email" class="control-label"> Email</label> <div class="controls"> <input type="text" style="width:200px;" data-val="true" data-val-required="Mobile Number is required." id="txtEmail"> <div class="space-3"> </div> <span data-valmsg-replace="true" data-valmsg-for="txtEmail" class="field-validation-valid text-warning red"></span> </div> </div> <div class="control-group"> <label for="form-field-website" class="control-label"> Phone Number</label> <div class="controls"> <input type="text" style="width:200px;" id="txtPhno"> </div> </div> </div> I have given txtEmail as mandatory field. if i left that field blank and click on Logout button in Master page, it says txtEmail is required. i dint do any validation in Logout onclick event. I have given preventDefault for Logout link. But still facing an issue. I should be able to logout even though txtEmail is left blank. Thank you all in advance for your response.

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  • beforeSave() returned some error

    - by kwokwai
    Hi all, I got a simple input text field in a HTML form: <input type="text" name="data[User][pswd]" id="data[User][pswd]"> The scripts for the Controller's action that captured the data is as follows: function register(){ $temp = $this->data; if(strlen($temp['User']['pswd'])>6) { if ($this->User->save($this->data)) { $this->Session->setFlash('Data was Saved'); } } } // this script works And in the Model controller, I got these lines of codes: function beforeSave() { $raw = $this->data; if(strlen($raw['User']['pswd'])>6){ md5($raw['User']['pswd']); } return true; } // this script failed to work The data was stored into the Database successfully but it was not undergone any MD5 encryption. I think that there must be some errors in the Model's script because I saw some errors flashed after the data was saved, but the screen that showed the errors immediately refreshed in a second after the data was saved successfully and I couldn't see the detail of the errors that caused the problem. Could you help me out please?

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  • Replace Emails and HREFS with enclosing HREFS

    - by Nissan Fan
    I have an Email body that used to be plain text, but now I've made it HTML. The emails are generated using a number of methods and none of them are easy to convert. What I have is: Some content [email protected], some http://www.somewebsite/someurl.aspx. What I'd like to do is create a function that automatically encloses all email addresses and all URLs within a string in HREF tags so that the HTML email reads properly in all email clients. Does anyone have a function for this?

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  • Weird error: [Semantical Error] line 0, col 75 near 'submit': Error: 'submit' is not defined.

    - by luxury
    My controller like: /** * @Route("/product/submit", name="product_submit") * @Template("GaorenVendorsBundle:Product:index.html.twig") */ public function submitAction() { $em = $this->getDoctrine()->getManager(); $uid = $this->getUser()->getId(); $em->getRepository( 'GaorenVendorsBundle:Product' )->updateStatus( $uid, Product::STATUS_FREE, Product::STATUS_PENDING ); return $this->redirect( $this->generateUrl( 'product' ) ); } and the repo like: class ProductRepository extends EntityRepository { public function updateStatus($uid, $status, $setter) { $st = $this->getEntityManager()->getRepository( 'GaorenVendorsBundle:Product' ) ->createQueryBuilder( 'p' ) ->update( 'GaorenVendorsBundle:Product', 'p' ) ->set( 'p.status', ':setter' ) ->where( 'p.status= :status AND p.user= :user' ) ->setParameters( array( 'user' => $uid, 'status' => $status, 'setter' => $setter ) ) ->getQuery() ->execute() return $st; } when request the "submit" action, it prompts me "[Semantical Error] line 0, col 75 near 'submit': Error: 'submit' is not defined. ". "submit" is nothing to do with DOCTRINE orm query, why it appears in the error? I just can't figure out.Anyone could tell me?

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  • javascript regular expressions

    - by Zhasulan Berdybekov
    Help me with regular expressions. I need to check the text on the hour and minute. That is the first case, the text can be from 0 to 12. In the second case, the text can be from 1 to 60. this is my code: var hourRegEx = /^([0-9]{2})$/; //You can fix this line of code? $(document).ready( function(){ $('form.form').submit(function(){ if( $('input.hour').val().match(hourRegEx) ){ return true; } return false; }); }); In my case, the code says that, for example 52, too, the correct answer

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  • how to use ip address in xsl

    - by user1597122
    I'm using xsl to generate html from xsl. I have to use ip address in name of the class in css like this: <td><div title="delete" > <xsl:attribute name="class"> delete_link_<xsl:value-of select="destinationIp"/> </xsl:attribute> <img class="row-remover" src="/media/img/remove.png"/> </div></td> and i have this jquery function: $('.delete_link_<xsl:value-of select="destinationIp"/>').click( function() { // do some thing here }); but because there are 'dots' in ip address, the above code doesn't work. when i remove dots of destinationIp tag in xml file, it works. so i think it has problem with 'dot'. any idea to make it work? really thanks :)

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  • jQuery find not working

    - by fire
    This is my HTML: <p class="first">blah blah <a href="" class="more">read more</a></p> <div class="read_more"> <p>more text</p> </div> And javascript: $(document).ready(function(){ $('a.more').click(function(){ $(this).find('.read_more').slideDown(); return false; }); }); Doesn't seem to do anything (read_more is set to display: none) any ideas?

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  • JQuery get height of each previous element

    - by Jk_
    I'm trying to find a good solution to get the height of all the element above my target. So loop the prev() function ! Any ideas on how I could deal with that ? <div> <div style="height:50px;width:100%"></div> <div style="height:12px;width:100%"></div> <div style="height:23px;width:100%"></div> <div style="height:56px;width:100%"></div> <div id="#mytarget"><p>HERE</p></div> </div> $('#mytarget').prev().each(function() { alert($(this).outerHeight()); }); and it will fires ["56","23","12","50"].

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  • Datepicker (1.8rc3) not transferring date in IE6

    - by brianjcohen
    Using jquery-1.4.2 and jquery-UI 1.8rc3, I instantiated a datepicker on a text input with showOn: 'focus'. The datepicker appears correctly. However when I click on a date, the datepicker doesn't disappear and the dateStr doesn't get transferred to the text input. I tried adding an onClose: handler that calls alert(dateStr). The event fires but no dateStr has been set. Everything works fine in Firefox. I have Microsoft Script Debugger installed but no script errors were detected. I did report this as a potential problem at the jQuery UI forums but my message has been sitting there awaiting moderation for hours and I figured someone here might have a suggestion. $().ready(function() { $(".date").datepicker({ showOn: 'focus', onClose: function(dateText) { alert(dateText); } }); });

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