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  • define javascript functions on iframe facebook app inside <fb:serverfbml> tag

    - by user233486
    Hi all, How we can define JS function on inside ? I tried to load file javascript on the end tag , but I still can't call the function from javascript file. Here the FBML tag <fb:serverfbml> <script type="text/fbml"> <fb:fbml> <a href="#" id="this" onclick="do_colors(this); return false">Hello World!</a> <script src="http://absolute.path.to/your/javascript/file.js"></script> </fb:fbml> </script> </fb:serverfbml> And here the javacript function on file.js function random_int(lo, hi) { return Math.floor((Math.random() * (hi - lo)) + lo) } function do_colors(obj) { var r = random_int(0, 255), b = random_int(0, 255), g = random_int(0, 255); obj.setStyle({background: 'rgb('+[r, g, b].join(',')+')', color: 'rgb('+[r<128?r+128:r-128, g<128?g+128:g-128, b<128?b+128:b-128].join(',')+')'}); } I use rails and facebooker to develop the application Any idea or suggestion for define javascript functions? Thanks,

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  • PHP and ajax no update taking place

    - by sea_1987
    Hi There, I have an an ajax request that looks like this, $('input.fakecheck').click(function(){ alert("deleteing...."); $.ajax({ url:"/search", type:"POST", data: $(this).attr('name')+"="+$(this).attr('value')+"&remove=Remove", success:function() { alert(data); } }) }) This calls a php function which looks like this, private function _remove_from_short_list($cv_array) { if (is_array($cv_array)) { $short_list = $this->session->userdata('short_list'); $new_list = array_diff_key($short_list, $cv_array); $this->session->set_userdata('short_list', $new_list); } } Essentiallty what happens is that on my page I have a list which is essentially a list of id's taken out of the session, the user can then by click and input(this will change) delete the id from their session. However once the deletion has taken place I want to be able to refresh the list to show that it has taken place, currently nothing happens, until I manually refresh.

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  • Regular expressions .net

    - by Tony
    I have the following function that I am using to remove the characters \04 and nulls from my xmlString but I can't find what do I need to change to avoid removing the \ from my ending tags. This is what I get when I run this function <ARR>20080625<ARR><DEP>20110606<DEP><PCIID>626783<PCIID><NOPAX>1<NOPAX><TG><TG><HASPREV>FALSE<HASPREV><HASSUCC>FALSE<HASSUCC> Can anybody help me find out what do I need to change in my expression to keep the ending tag as </tag> Private Function CleanInput(ByVal inputXML As String) As String ' Note - This will perform better if you compile the Regex and use a reference to it. ' That assumes it will still be memory-resident the next time it is invoked. ' Replace invalid characters with empty strings. Return Regex.Replace(inputXML, "[^><\w\.@-]", "") End Function

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  • c - strncpy issue

    - by Joe
    Hi there, I am getting segmentation fault when using strncpy and (pointer-to-struct)-(member) notation: I have simplified my code. I initialise a struct and set all of it's tokens to an empty string. Then a declare a pointer to a struct and assign the address of the struct to it. I pass the pointer to a function. I can print out the contents of the struct at the beginning of the function, but if I try to use the tp - mnemonic in a strncpy function, I get seg fault. Can anyone tell me what I am doing wrong? typedef struct tok { char* label; char* mnem; char* operand; }Tokens; Tokens* tokenise(Tokens* tp, char* line) { // This prints fine printf("Print this - %s\n", tp -> mnem); // This function gives me segmentation fault strncpy(tp -> mnem, line, 4); return tp; } int main() { char* line = "This is a line"; Tokens tokens; tokens.label = ""; tokens.mnem = "load"; tokens.operand = ""; Tokens* tp = &tokens; tp = tokenise(tp, line); return 0; } I have used printf statements to confirm that the code definitely stops executing at the strncpy function. Can anyone tell me where I am going wrong? Many thanks Joe

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  • Javascript Array Scope - newbie here

    - by Gianluca
    So, I am learning Javascript while playing white Google Calendar APIs and I just can't figure how this piece of code is working this way: var entriesResult = []; var data = new Date(2010,3,22,17,0,0); var callback = function(result) { var entries = result.feed.getEntries(); if (entries.length != 0) { entriesResult = eventsManager(entries, 0, data); window.alert("inner entriesResult " + entriesResult.length); } } this.service.getEventsFeed(this.query, callback, handleGDError); window.alert("outer entriesResult " + entriesResult.length); eventsManager() is a function that returns an array of Objects. getEventsFeed() it's an API function: it queries the service and pass a "feed root" (a feed with selected items) to the callback function. Why the first alert (inner..) outputs a valid entriesResult.length while the second one (outer..) always outputs a 0? I tought javascript arrays are always passed by reference, what's wrong whit my code? Thank you :)

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  • Suggest Cassandra data model for an existing schema

    - by Andriy Bohdan
    Hello guys! I hope there's someone who can help me suggest a suitable data model to be implemented using nosql database Apache Cassandra. More of than I need it to work under high loads and large amounts of data. Simplified I have 3 types of objects: Product Tag ProductTag Product: key - string key name - string .... - some other fields Tag: key - string key name - unique tag words ProductTag: product_key - foreign key referring to product tag_key - foreign key referring to tag rating - this is rating of tag for this product Each product may have 0 or many tags. Tag may be assigned to 1 or many products. Means relation between products and tags is many-to-many in terms of relational databases. Value of "rating" is updated "very" often. I need to be run the following queries Select objects by keys Select tags for product ordered by rating Select products by tag order by rating Update rating by product_key and tag_key The most important is to make these queries really fast on large amounts of data, considering that rating is constantly updated.

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  • JavaScript For Loop in XSL document

    - by Nagendra
    Hello All, I have a peculiar problem with having a JavaScript for loop in XSL document. Here it goes:: I am calling a JavaScript function on the click of a CheckBox. Following is what I wanted to do in the javascript function :: function SeelctAll() { for(var cnt = 0; cnt < 100; cnt++) { //Business Logic here. } } For this I replaced < with < and tried. I got an error saying "Object Expected". I then enclosed the whole function inside Any help on this would be greatly appreciable.

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  • Lua Operator Overloading

    - by Pessimist
    I've found some places on the web saying that operators in Lua are overloadable but I can't seem to find any example. Can someone provide an example of, say, overloading the + operator to work like the .. operator works for string concatenation? EDIT 1: to Alexander Gladysh and RBerteig: If operator overloading only works when both operands are the same type and changing this behavior wouldn't be easy, then how come the following code works? (I don't mean any offense, I just started learning this language): printf = function(fmt, ...) io.write(string.format(fmt, ...)) end Set = {} Set.mt = {} -- metatable for sets function Set.new (t) local set = {} setmetatable(set, Set.mt) for _, l in ipairs(t) do set[l] = true end return set end function Set.union (a,b) -- THIS IS THE PART THAT MANAGES OPERATOR OVERLOADING WITH OPERANDS OF DIFFERENT TYPES -- if user built new set using: new_set = some_set + some_number if type(a) == "table" and type(b) == "number" then print("building set...") local mixedset = Set.new{} for k in pairs(a) do mixedset[k] = true end mixedset[b] = true return mixedset -- elseif user built new set using: new_set = some_number + some_set elseif type(b) == "table" and type(a) == "number" then print("building set...") local mixedset = Set.new{} for k in pairs(b) do mixedset[k] = true end mixedset[a] = true return mixedset end if getmetatable(a) ~= Set.mt or getmetatable(b) ~= Set.mt then error("attempt to 'add' a set with a non-set value that is also not a number", 2) end local res = Set.new{} for k in pairs(a) do res[k] = true end for k in pairs(b) do res[k] = true end return res end function Set.tostring (set) local s = "{" local sep = "" for e in pairs(set) do s = s .. sep .. e sep = ", " end return s .. "}" end function Set.print (s) print(Set.tostring(s)) end s1 = Set.new{10, 20, 30, 50} s2 = Set.new{30, 1} Set.mt.__add = Set.union -- now try to make a new set by unioning a set plus a number: s3 = s1 + 8 Set.print(s3) --> {1, 10, 20, 30, 50}

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  • Regular expression replace in PL/pgSQL

    - by dreamlax
    If I have the following input (excluding quotes): "The ancestral territorial imperatives of the trumpeter swan" How can I collapse all multiple spaces to a single space so that the input is transformed to: "The ancestral territorial imperatives of the trumpeter swan" This is going to be used in a trigger function on insert/update (which already trims leading/trailing spaces). Currently, it raises an exception if the input contains multiple adjacent spaces, but I would rather it simply transforms it into something valid before inserting. What is the best approach? I can't seem to find a regular-expression replace function for PL/pgSQL. There is a text_replace function, but this will only collapse at most two spaces down to one (meaning three consecutive spaces will collapse to two). Calling this function over and over is not ideal.

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  • Codeigniter Best Practices for Model functions

    - by user270797
    Say my application has a "Posts" model, and one of the function is add_post(), it might be something like: function add_post($data) { $this-db-insert('posts',$data); } Where $data is an array: $data = array ('datetime'='2010-10-10 01:11:11', 'title'='test','body'='testing'); Is this best practice? It means if you use that function you need to know the names of the database fields where as my understanding of OOP is that you shouldnt need to know how the method works etc etc

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  • jquery toggle, prevent clicking during toggle

    - by Stacey
    Given the following jquery code.. $('#toggle').toggle(function() { // perform something }, function() { // perform something else }); Is there any way to prevent the toggle from being fired again if someone clicks while it is performing the function? I referenced http://stackoverflow.com/questions/2489518/tell-jquery-to-ignore-clicks-during-an-animation-sequence and the technique did not work.

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  • Setting a session variable in Global.asax causes AJAX errors

    - by Fly_Trap
    I'm getting a very peculiar problem with my asp.net application, it took me an age to track down but I still don't know what is causing this behaviour. If I set a session variable in the Application_PreRequestHandlerExecute event, then my external JavaScript files are ignored, and therfore causing a raft of errors. I have simplified the problem below. E.g. I have file called JScript.js containing the code: function myAlert() { alert("Hi World"); } And in my Default.aspx file I reference the js with the code: <script src="JScript.js" type="text/javascript"></script> And in the body onload event I call the myAlert() function: <body onload="myAlert()"> And finally in the Global.asax file: Private Sub Application_PreRequestHandlerExecute(ByVal sender As Object, ByVal e As EventArgs) HttpContext.Current.Session("myVar") = "MyValue" End Sub If you run the Default.aspx file you will see the js function isnt called, however, if you comment out the line of code Global.asax then the external js is called and the function executed when the page loads. Why is this?

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  • Jquery Toggle & passing data

    - by Ross
    I have created a toggle button with jquery but I need to pass my $id so it can execute the mysql in toggle_visibility.php. how do I pass my variable from my tag ? Yes $("a.toggleVisibility").toggle( function () { $(this).html("No"); }, function () { $.ajax({ type: "POST", url: "toggle_visibility.php", data: "id", success: function(msg){ alert( "Data Saved: " + msg ); } }); $(this).html("Yes"); } );

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  • Javascript break breaks Firefox

    - by Maxime
    Hi, I'm working on this Javascript script that works nice in Safari and Chome but for some reason it doesn't work at all in Firefox. I identified the line that caused this: it's "break;". How do I fix this? playListConfig( index ); $("#jquery_jplayer").jPlayer("play"); song_num = myPlayList[index].song_id; if(!o[song_num]) { o[song_num] = 1;} $.get("http://www.ratemysong.net/includes/getnote.php?song_id="+song_num+"&s"+Math.random(), function(data){ if(data == "") { $('#rating ul li a').each(function() { $(this).attr('href', '#'); $(this).css("color","#FFF"); }); $('#rating ul li a').click(function(e) { ++o[song_num]; if(o[song_num]==2) { $(this).css({color:'#59B'}); var url = "http://www.ratemysong.net/boxes/voted.php?note="; url = url + $(this).attr('id'); $.get(url, function(data){ $('#basic-modal-content').html(data); $("#basic-modal-content").modal(); }); rating[song_num] = $(this).attr('id'); } else { $("#already_voted").modal(); } break; }); } else { $('#rating ul li a').each(function() { $(this).removeAttr('href'); $(this).css("color","#000"); var id_value = $(this).attr("id"); $(this).css("color","#FFF"); if(id_value == data) { $(this).css("color","#59B"); } }); } }); }

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  • Is x a reserved keyword in Javascript FF/Safari not in IE?

    - by Marco Demaio
    A web page of a web application was showing a strange error. I regressively removed all the HTML/CSS/JS code and arrived to the basic and simple code below. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html><head> <title>test</title> <script type="text/javascript"> var TestObj = { foo: function() {} } alert(x); //ok displays "undefined" var x = TestObj.foo; var z = TestObj.foo; </script> </head><body> <p onclick='alert(x);'>Click shows function foo!</p> <img onclick='alert(x);' alt='CRAZY click displays a number in FF/Safari not function foo' src='' style='display: block; width: 100px; height: 100px; border: 1px solid #00ff00;'> <p onclick='alert(x);'>Click shows function foo!</p> </body></html> It's crazy: when clicking on P elements the string "function(){}" is displaied as expected. But when clicking on IMG element it shows a number as if x function got in some way removed from memory or deinstantiated (it does not even show x as "undefined" but as a number). To let you test it quickly I placed the working test above also here. This can be reproduced on both Firefox 3.6 and Safari 4.0.4. Everything works properly only on IE7+. I'm really clueless, I was wondering if x is maybe a reserved keyword in JS Firefox/Safari. Thanks to anyone who could help! FYI: if you repalce x() with z() everything work prefectly in all browsers (this is even more crazy to me) adding a real image in src attribute does not fix the problem removing style in img does not fix the problem (i gave style to image only to help you clicking on image thus you can see the imnage border)

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  • Jquery Fast image switching

    - by echedey lorenzo
    Hi, I have a php class that generates a map image depending on my db data. It is periodically updated thru a serInterval loop. I am trying to update it with no flickering but I just can't. I've tried different methods (preloader, imageswitcher) with no success. //first load function map() { $("#map").html("<img src=map.php?randval="+Math.random()+">"); } //update it from setInterval calls function updatemap() { $("#map").fadeOut(function() { $(this).load(function() { $(this).fadeIn(); }); $(this).attr("src", "map.php?randval="+Math.random()); }) } Is there any way to update the image with no flickering at all? I would prefer an inmediate swap insteado of a fade. The problem I'm having is that after calling updatemap() the image just dissapears. ¿Maybe it is a problem with the attribute src I am parsing? THanks for your help.

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  • Managing lots of callback recursion in Nodejs

    - by Maciek
    In Nodejs, there are virtually no blocking I/O operations. This means that almost all nodejs IO code involves many callbacks. This applies to reading and writing to/from databases, files, processes, etc. A typical example of this is the following: var useFile = function(filename,callback){ posix.stat(filename).addCallback(function (stats) { posix.open(filename, process.O_RDONLY, 0666).addCallback(function (fd) { posix.read(fd, stats.size, 0).addCallback(function(contents){ callback(contents); }); }); }); }; ... useFile("test.data",function(data){ // use data.. }); I am anticipating writing code that will make many IO operations, so I expect to be writing many callbacks. I'm quite comfortable with using callbacks, but I'm worried about all the recursion. Am I in danger of running into too much recursion and blowing through a stack somewhere? If I make thousands of individual writes to my key-value store with thousands of callbacks, will my program eventually crash? Am I misunderstanding or underestimating the impact? If not, is there a way to get around this while still using Nodejs' callback coding style?

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  • Javascript callback for multiple ajax calls

    - by Jisaak
    My lack of javascript knowledge is getting me in trouble again. I think this should be a fairly easy problem to fix but I cant figure it out. Situation: I want to make three ajax calls in a click event. Each ajax call does a distinct operation and returns back data that is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three are complete. $('#button').click(function() { fun1(); fun2(); fun3(); //now do something else when the requests have done their 'sucess' callbacks. }); var fun1= (function() { $.ajax({/*code*/}); }); var fun2 = (function() { $.ajax({/*code*/}); }); var fun3 = (function() { $.ajax({/*code*/}); });

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  • question about combining jquery tabs and a toggling horizontal slide panel

    - by Clay
    Hi, I'm attempting to combine a horizontally sliding panel and the ui tabs plugin. The idea is that you press a button, a panel slides open and inside is a series of tabs that expand content below. In terms of getting this to function in the most basic sense, so far so good: http://www.claylerner.com/bio_alt/ And my source looks like this: $(document).ready(function(){ $(".btn-slide").click(function(){ $("#panel").animate({width: 'toggle'}); }); }); $(function() { $("#tabs").tabs({ selected: -1 }); }); However, the problem I'm running into occurs when you have a tab exapnded and then you collapse the horizontal panel--as you can see the animation that hides the currently expanded tab looks pretty clunky. I get that this is happening because there's not a separate function hiding the expanded tab. So my question is, how can I make it so that when the button to collapse the panel (".btn-slide") is toggled it first hides any currently expanded tabs and then hides the open panel. Thanks so much!

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  • jqtransform form selector (onchange) problem !!!!

    - by Newbie
    I'm styling a form with Jqtransform script. The form includes a selector which enlist some cities, when i click a one, it should update the selector below it with some locations within that city. here is the code of the selector <select name="city" id="city" class="wide" onchange="populateDestrict(this)"> It was working fine with default style , but after applying JQ, it lost it's functionality I asked a question before here LINK and i did as Dormilich did by writing: $(function() { $("form.jqtransform").jqTransform(); $("#city").change(populateDestrict(this)); }); But it didn't work ! here is also the code of the function if it helps <script language="javascript"> function populateDestrict(obj){ var city=obj.value; if(city!=""){ $.post('city_state.php',{ city: city},function(xml){ $("#state").removeOption(/./); $("district",xml).each(function() { $("#state").addOption($("key",this).text(), $("value",this).text()); }); }); } } </script> Any help people ???????? Thanks

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  • Jquery click event assignment not working in Firefox

    - by Mantorok
    Hi all I'm assigning a click event to a bunch of anchors by class name, and it works in all browsers except Firefox, here is the JS: var click_addthis = function(e, href) { if (!e) { var e = window.event; } e.cancelBubble = true; if (e.stopPropagation) e.stopPropagation(); window.open(href, "Share It", null); return false; } $(document).ready(function() { $(".addthis_button_facebook").click(function() { click_addthis(event, this.href) }); $(".addthis_button_twitter").click(function() { click_addthis(event, this.href) }); }); Am I missing something? Thanks

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  • custom button: properties change, button should be redrawn

    - by Rutger
    Hi I'm developing an Android app. I have class derived from button to represent a special type of button. This special type has some properties (integers) and according to these one or more circles have to be drawn on top of the button. So I overrode the onDraw function, which looks the values up and accordingly draws the circles. But the class has a function to set new values for its properties. So new values are set but the changes are not reflected in the UI. It seems like the onDraw function is not called. When later I click the button or show a pop up message above my interface the onDraw function is called and the button is drawn correctly. So my question: when changing the properties how can I say that the button has to be redrawn? Thanks a lot!

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  • Retrieve position of a google maps v3 marker to Qt in a desktop app with QtWebKit

    - by nelas
    I'm building a Qt app with Python where you can point and click at a (google) map and get the coordinates of the location. The map is shown through a QWebView loading a simple HTML page and the user can create markers by clicking. Screenshot of the widget after clicking on the map: However, I'm having trouble to retrieve the just-clicked location coordinates back to Qt (so that I can use them as variables -- and, for example, show them in the QLineEdits on the topleft corner above, as current location of the marker). This is the relevant part of the HTML file: <script type="text/javascript"> var map; function initialize() { var local = new google.maps.LatLng(-23.4,-40.3); var myOptions = { zoom: 5, center: local, mapTypeId: google.maps.MapTypeId.ROADMAP } map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); google.maps.event.addListener(map, 'rightclick', function(event) { placeMarker(event.latLng); }); } function placeMarker(location) { var clickedLocation = new google.maps.LatLng(location); var marker = new google.maps.Marker({ position: location, map: map }); map.setCenter(location); } function dummyTxt() { return 'This works.'; } </script> I've been trying with evaluateJavaScript, but was not able to retrieve the coordinates. I tried to created a function to access the position with marker.getPosition(), but with no luck. The dummy below works though.. newplace = QWebView.page().mainFrame().evaluateJavaScript(QString('dummyTxt()')) >>> print newplace.toString() This works. Any suggestions on how to get the coordinates back to Qt?

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