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  • Js Variable Reference Quickie

    - by Nikki
    Hoping someone can clear this up for me. Let's say I have 2 globals: var myarray=[1,3,5,7,9],hold; and then I do this: function setup() { alert (myarray[0]);//shows 1 hold=myarray; alert (hold);//appears to show 'hold' containing all the values of myarray. first number shown is 1 myarray[0]=2; alert (hold);//shows the values of myarray with the updated first entry. first numbe shown is 2 } Am I to take it that 'hold' is simply keeping a reference to myarray, rather than actually taking all the values of?

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  • Ray intersection and child camera

    - by lutangar
    I've been playing with three.js for few weeks now and got few inconsistencies on ray casting. Here is a simplified version demonstrating one of the bug I encoutered : http://jsfiddle.net/eMrhb/12/ The camera is added to the sphere mesh for further use of TrackBallControl for example. scene.add(mesh); mesh.add(camera); Clicking a few times on the sphere and opening the console, show us none of the expected intersections between the ray and the mesh. Adding the camera to the scene (http://jsfiddle.net/eMrhb/9/), solves the problem: scene.add(mesh); scene.add(camera); But I could use a much more complex hierarchy between my scene objects and the camera to suit my needs. Is this a limitation? If it is, is there any workarounds I could use?

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  • js object problem

    - by haltman
    Hi everybay! I use an object to check that a group of radio buttons have a precise value like set on "rule" object. Here is an example: arr = {a:"1", b:"1", c:"1", c:"2"}; //that's my object rule var arr2={}; //here I create my second array with charged value $("#form_cont input:checked").each(function() { arr2[$(this).attr("name")]=$(this).val(); }); //here I make the check for (k in arr2) { if (typeof arr[k] !== 'undefined' && arr[k] === arr2[k]) { $("#form_cont li[name$='"+k+"']").css('background-color', ''); } else { $("#form_cont li[name$='"+k+"']").css('background-color', 'pink'); } } The problem is when I have to check the "c" key I get last the one (2) and not the right value how that may e 1 or 2 thanks in advance ciao, h.

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  • Accettend letter and other graphic simbols PHP->JS

    - by Kreker
    I have to read a txt via file php. This file contains some normal so may contains this kind of symbols : € é ò à ° % etc I read the content in php with file_get_contents and transform these for inserenting in SQL database. $contFile = file_get_contents($pathFile); $testoCommento = htmlspecialchars($contFile,ENT_QUOTES); $testoCommento = addslashes($testoCommento); Now if I have this text for example : "l'attesa ?é cruciale fino a quando il topo non viene morso dall'?€" in the database I have this: l&#039;attesa è cruciale fino a quando il topo non veniene morso dall&#039;€ When I was GETTING the data from the database I use the php function for decode html entites $descrizione = htmlspecialchars_decode($risultato['descrizione'],ENT_QUOTES); $descrizione = addslashes($descrizione); Now I use jasvascript and AJAX for getting the table content and display to an HTML page In the browser instead of getting the correct text (€,è) I have square symbol. I think there is some mess with charset code/decode but never figured out. The SQL' table is in "utf8_unicode_ci" format and the column in "utf8_general_ci". The content-type of the page is <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> Thanks for help me!

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  • Hooking a synchronous event handler on a form submit button in JS

    - by Xzhsh
    Hi, I'm working on a security project in javascript (something I honestly have not used), and I'm having some trouble with EventListeners. My code looks something like this: function prevclick(evt) { evt.preventDefault(); document.loginform.submitbtn.removeEventListener('click',prevclick,false); var req = new XMLHttpRequest(); req.open("GET","testlog.php?submission=complete",false); req.send(); document.loginform.submitbtn.click(); //tried this and loginform.submit() } document.loginform.submitbtn.addEventListener('click',prevclick,false); But the problem is, the submit button doesn't submit the form on the first click (it does, however, send the http request on the first click), and on the second click of the submit button, it works as normal. I think there is a problem with the synchronization, but I do need to have the request processed before forwarding the user to the next page. Any ideas on this would be great. Thanks in advance.

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  • CodeIgniter Form Validaton + JS. Form re-population.

    - by solefald
    Hello. I have a from with a checkbox, and depending on the checkbox state 2 different divs are shown. var alias = document.getElementById('alias'); var list = document.getElementById('list'); if(document.getElementById('isList').checked) { alias.style.display = 'none'; list.style.display = 'table-row'; } else { alias.style.display = 'table-row'; list.style.display = 'none'; } Here is the HTML/PHP (relevant) part: <tr id="alias" style="display:table-row;"> <td>' . form_label('Destination:', 'destination') . '</td> <td>' . form_textarea('destination') . '</td> </tr> <tr id="list" style="display:none;"> <td>' . form_label('File Path:', 'list_path') . '</td> <td>' . form_input('list_path') . '</td> </tr> alias div is shown by default on page load, list shown then i click on isList checkbox, and alias is shown again when i click on the checkbox again. This part works great and pretty straight froward. Now, I add CodeIgniter Form Validation plugin, set appropriate rules and set-up validation plugin to re-populate the form with. Without checkbox enabled everything works great. On errors form is re-populated. However, when form is submitted with checkbox enabled, I have an issue. CI's Form Validation plugin re-populates the form, and re-enables the checkbox, but the list div that is supposed to be shown when checkbox enabled is not there, and instead the alias div is shown. Is there any way around this issue? Can i have the list div shown on list validation error? Also, i would like to avoid using JavaScript form validation, and stick with my good old PHP. Thank you in advance. -i

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  • db2 jdbc driver does not release table locks

    - by as
    situation: We have a web service running on tomcat accessing DB2 database on AS400, we are using JTOPEN drivers for JNDI connections handled by tomcat. For handling transactions and access to database we are using Spring. For each select system takes JDBC connection from JNDI (i.e. from connection pool), does selection, and in the end it closes ResultSet, Statement and releases Connection in that order. That passes fine, shared lock on table dissappears. When we want to do update the same way as we did with select (exception on ResultSet object, we don't have one in such situation), after releasing Connection to JNDI lock on table stays. If we put maxIdle=0 for number of connections in JNDI configuration, this problem disappears, but this degrades performances, we have cca 100 users online on that service, we need few connections to be alive in pool. What do you suggest?

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  • how can i check ID of a clicked element js

    - by necker
    how can i check if an ID of a clicked element is lets say 'target'. what i am trying to do is actually show and hide comment form on clicking in the text field and hide it when the user clicks out of the form. the problem is that if the user clicks Submit button the form hides and nothing is sent over. so i'll have to check if the submit buttons id matches the clicked element and not hide it in this case. i am using ruby on rails remote_form_for and onblur and onfocus events now. this is my bigger form that i am showing. <div id="bigArea" style="display:none"> <% remote_form_for @horses do |f|%> <%= f.text_area :description, {:onBlur=>"{$(bigArea').hide();$('smallField').show();}"} %> <%= f.submit "Submit"%> <% end %> </div> and this is the smaller form field that hides everytime you click in it. <div id="smallField"> <%= text_field_tag 'sth',"Click to comment, {:onFocus=>"$('bigArea').show();$('smallField').hide();"} %> </div> My question is how can i disallow the form to hide when a user clicks submit button? i suppose i should check which element's id has been clicked. and if it's submit button's ID i should not hide the form. Or maybe there is some other way to do all this? i would greatly appreciate any answers!

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  • Get computed font size for DOM element in JS

    - by Pekka
    Is it possible to detect the computed font-size of a DOM element, taking into consideration generic settings made elsewhere (In the body tag for example), inherited values, and so on? A framework-independent approach would be nice, as I'm working on a script that should work standalone, but that is not a requirement of course. Background: I'm trying to tweak CKEditor's font selector plugin (source here) so that it always shows the font size of the current cursor position (as opposed to only when within a span that has an explicit font-size set, which is the current behaviour).

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  • How to create two dimensional array in jquery or js

    - by learner
    I need to create dynamic global two dimensional array in jquery or javascript My function is like this <script> var index = 0; var globalArray = new Array(); function createArray(){ var loop = globalArray[index].length; var name = $.("#uname").val(); if(loop == 0){ globalArray[index][0] = uname; }else{ globalArray[index][loop++] = uname; } } </script> <div><input type="text" id="uname"> <input type='button' value='save' onclick='createArray();'> </div> On click of that button I am getting this error "globalArray[index] is undefined" How can I create one global array using jquery or javascript like this. I dont want any hidden field and all. Please help me. Thanks

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  • HTTP Error 0 js/upload in drupal when attaching a file

    - by user349294
    I am trying to attach an 8M .wav file to a "story" in drupal. I can attach similar smaller files, but when i try this one and larger sizes i get in HTTP Error 0 message after a minute or to. I have checked all my max upload, Max Mem sizes they are set at well over 8M at 64M and 256M. Anyone else have this issue uploading files ever?

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  • New Comer to JS Looking for Guidance

    - by New Coder
    I'm fairly new to JavaScript. Can anyone share some good advice on getting started? I have a little experience in ActionScript 3 and have taken a few Java classes toward my CS degree but my background is of a designer transitioning into development. My goal is to become a well rounded front-end developer and I'd like to move beyond the simple slideshow animations and rollover effects. Any guidance/wisdom will be much appreciated!

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  • Binded click loses context of my Class. JS

    - by Fabiano PS
    Hi, I have this problem that I probably understand but don't know how to handle, if there is a way. I have a class simplified as this: function DrawingTable(canvas_id){ this.canvas_id = canvas_id; bind_events() function bind_events(){ $(get_canvas()).click(function(e){ var canvas = get_canvas() //works do_something_in_the_instance_who_called_click() } function get_canvas(){return document.getElementById(canvas_id)} function do_something_in_the_instance_who_called_click(){ alert(this.canvas_id) //fail! } } Because when the click() is invoked for what it looks this is not inside the instance anymore, but I need to change atributes from there.. is there a way, given that may be multiple instances? I don't really know how but the get_canvas() works :) I'm using jQuery but likely not relevant

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  • Broken JS Loop with Google Maps...

    - by Oscar Godson
    My code is below, and I had an issue with nearly the same code, and it was fixed here on StackOverflow, but, again, its not working. I haven't changed the working code, but i did wrap it in the for...in loop youll see below. The issue is that no matter what marker I click it always triggers the last marker/infoWindow that was placed. $(function(){ var latlng = new google.maps.LatLng(45.522015,-122.683811); var settings = { zoom: 10, center: latlng, disableDefaultUI:true, mapTypeId: google.maps.MapTypeId.SATELLITE }; var map = new google.maps.Map(document.getElementById("map_canvas"), settings); $.getJSON('api',function(json){ for (var property in json) { if (json.hasOwnProperty(property)) { var json_data = json[property]; var the_marker = new google.maps.Marker({ title:json_data.item.headline, map:map, clickable:true, position:new google.maps.LatLng( parseFloat(json_data.item.geoarray[0].latitude), parseFloat(json_data.item.geoarray[0].longitude) ) }); var infowindow = new google.maps.InfoWindow({ content: '<div><h1>'+json_data.item.headline+'</h1><p>'+json_data.item.full_content+'</p></div>' }); new google.maps.event.addListener(the_marker, 'click', function() { infowindow.open(map,the_marker); }); } } }); }); Thank you for whoever figures this out!

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  • jquery.ui.tabs.js doesn't load tab data in IE9, Chrome - works perfectly fine in firefox

    - by Salma Khan
    I have few issues that I am facing on my site and I have no idea how to fix those. Please go to http://link.zambeel.ca/index.php/component/obituary/detail/52 and click on Photos tab, it doesn't load images promptly in IE9 and Chrome. I have made it work in firefox with the following code: var loadNextTab = function() { if (indexesToLoad.length == 0) return; var index = indexesToLoad.shift(); $("#tabs-1").tabs("load",index); }; $("#tabs-1").tabs({ cache: true, load: loadNextTab }); Please help me resolve this matter as soon as possible. Just to let you guys know, I am not a programmer by any means.

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  • Need help in downloading file with header() function

    - by riccardo
    Hi. I'm trying to explain as best as I can, sorry for my English. I have a list of links, each linked to a php file with an id by parameters (ex. download.php?id=1 or ?id=2 and so on). This file create a new instance of a class witch return the correct header of the files so it displays the save dialog box of the browser. Now I need to check if the files is already downloaded in past (The first time you downloaded it I add a field on the mysql db). This checks go ahead if you haven't download the files, else return false. Here is the problem, when it returns false or something else the browser redirect me to the download.php file, so I get a blank page or what I'm echoing. I need that if the file is already download it show me a js alert for advice ppl. Hope you can understand what i mean. Thanks for help

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  • js loading page message not working on php file

    - by eggman20
    Merry Christmas guys, I found a code that displays a loading message using a gif. It uses the onLoad="init()" in the body tag. It works fine on an HTML file but it doesn't when the file is in PHP. Do I need to change anything in here or this just won't work in a PHP file? here's the code: <body onLoad="init()"> <div id="loading" style="position:absolute; width:100%; text-align:center; top:300px;"> <img src="loading.gif" border=0></div> <script> var ld=(document.all); var ns4=document.layers; var ns6=document.getElementById&&!document.all; var ie4=document.all; if (ns4) ld=document.loading; else if (ns6) ld=document.getElementById("loading").style; else if (ie4) ld=document.all.loading.style; function init() { if(ns4){ld.visibility="hidden";} else if (ns6||ie4) ld.display="none"; } </script> <!-- Content here --> </body> Thanks in advance!!!

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  • Problem with routes and mod-rewrite (if not absolute i don't get CSS, JS or images)

    - by Toni Michel Caubet
    hi there! i updated the code from my website to a 'better' veersion i think, it works fine but when i try to implement the friendly URL and load it, works, but with no CSS, Javascript or images, but if i corret the routes for the css to http://website/css/style.css (instead of ./css/style.css) it i do see the CSS properly loaded, any idea why? Example: http://keepyourlinks.com/link1.php?id=25 VS http://keepyourlinks.com/keep/25/series-yonkis (i updated the route of the CSS, but the Javascript is missing an the images asweell) I really would like not to have to correct al routes :(

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  • format.js response doesn't execute

    - by Denis
    Hi, I use Rails 3.0.0 Beta following an action, my rjs view returns a javascript, but the code is not executed In firebug I see in my response $('polaroids').insert("<li>\n <a title=\"4204497503_a0c43c561d.jpg\" href=\"#\">\n <img alt=\"4204497503_a0c43c561d.jpg\" src=\"/system/photos/279/original/4204497503_a0c43c561d.jpg?1268857318\" />\n <\/a>\n<\/li>") Here is the response header Response Headers Etag "7343b21b2f062fb74b7d5f32e3a83c2c" Connection Keep-Alive Content-Type text/javascript; charset=utf-8 Date Wed, 17 Mar 2010 20:21:58 GMT Server WEBrick/1.3.1 (Ruby/1.8.7/2008-08-11) X-Runtime 0.060497 Content-Length 220 Cache-Control max-age=0, private, must-revalidate Set-Cookie _photos_session=BAh7ByIQX2NzcmZfdG9rZW4iMS9OWnpOZUR6UGQ2UDhvbGt5YWpTWXhJcFR2YjRHOEhzZHlIbmdMblRlMWs9Ig9zZXNzaW9uX2lkIiUxNjlhOWYzNjQxODE2N2NjN2FiNmYzY2VkYmU3OTgwYQ%3D%3D--022d7202178b2cc7bf968e558c2ae67ecef1fb74; path=/; HttpOnly

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  • How do you unit test new code that uses a bunch of classes that cannot be instantiated in a test har

    - by trendl
    I'm writing a messaging layer that should handle communication with a third party API. The API has a bunch of classes that cannot be easily (if at all) instantiated in a test harness. I decided to wrap each class that I need in my unit tests with an adapter/wrapper and expose the members I need through this adapter class. Often I need to expose the wrapped type as well which I do by exposing it as an object. I have also provided an interface for for each or the adapter classes to be able to use them with a mocking framework. This way I can substitute the classes in test for whatever I need. The downside is that I have a bunch of adapter classes that so far server no other reason but testing. For me this is a good reason by itself but others may find this not enough. Possibly, when I write an implementation for another third party vendor's API, I may be able to reuse much of my code and only provide the adapters specific to the vendor's API. However, this is a bit of a long shot and I'm not actually sure it will work. What do you think? Is this approach viable or am I writing unnecessary code that serves no real purpose? Let me say that I do want to write unit tests for my messaging layer and I do now know how to do it otherwise.

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  • JS assignment order of properties in objects

    - by devdev
    Just had a quick question about why a certain order of assignment works and another doesn't. I wanted to create a simple "inherit" / "copy" function (just for testing it) that copies properties from one object to another: var cat = { tail:"yes", hairy:"yes, hairy" }; var dog = { sick:"extremely ill"}; function inherit(obj1, obj2) { for (var p in obj1) { obj2[p] = obj1[p]; // this works, but "obj1[p] = obj2[p];" doesn't. Why?? } } inherit(cat, dog); console.log(dog.tail);

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