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  • jQuery: How to remove this code redundancy?

    - by Mark
    clone.find('[id]').each(function() { id = $(this).attr('id'); ind = id.search(/\d+$/); $(this).attr('id', id.substr(0,ind)+id_counter); }); clone.find('[for]').each(function() { id = $(this).attr('for'); ind = id.search(/\d+$/); $(this).attr('for', id.substr(0,ind)+id_counter); }); I know I can find elements that have either the id attribute or the for attribute, but then how do I know which one I need to set?

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  • regular expressions: ignoring certain chars globally

    - by shi kui
    Consider it that '_'s in a number doesn't change that number's value so 1000==1_000==10_00. The Problem: given numbers like 1_244_23 1412_2 1_1111 etc..., how could I decide whether certain number appears in that collection? For example: 1244_23 yes, 11_111 yes, 1412_1 no. How could using regex to solve this? I mean, if I could tell the regex engine just ignore these '_''s when matching then this problem becomes trivial? How could I do so?

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  • KnockoutJS showing a sorted list by item category

    - by Darksbane
    I just started learning knockout this week and everything has gone well except for this one issue. I have a list of items that I sort multiple ways but one of the ways I want to sort needs to have a different display than the standard list. As an example lets say I have this code var BetterListModel = function () { var self = this; food = [ { "name":"Apple", "quantity":"3", "category":"Fruit", "cost":"$1", },{ "name":"Ice Cream", "quantity":"1", "category":"Dairy", "cost":"$6", },{ "name":"Pear", "quantity":"2", "category":"Fruit", "cost":"$2", },{ "name":"Beef", "quantity":"1", "category":"Meat", "cost":"$3", },{ "name":"Milk", "quantity":"5", "category":"Dairy", "cost":"$4", }]; self.allItems = ko.observableArray(food); // Initial items // Initial sort self.sortMe = ko.observable("name"); ko.utils.compareItems = function (l, r) { if (self.sortMe() =="cost"){ return l.cost > r.cost ? 1 : -1 } else if (self.sortMe() =="category"){ return l.category > r.category ? 1 : -1 } else if (self.sortMe() =="quantity"){ return l.quantity > r.quantity ? 1 : -1 }else { return l.name > r.name ? 1 : -1 } }; }; ko.applyBindings(new BetterListModel()); and the HTML <p>Your values:</p> <ul class="deckContents" data-bind="foreach:allItems().sort(ko.utils.compareItems)"> <li><div style="width:100%"><div class="left" style="width:30px" data-bind="text:quantity"></div><div class="left fixedWidth" data-bind="text:name"></div> <div class="left fixedWidth" data-bind="text:cost"></div> <div class="left fixedWidth" data-bind="text:category"></div><div style="clear:both"></div></div></li> </ul> <select data-bind="value:sortMe"> <option selected="selected" value="name">Name</option> <option value="cost">Cost</option> <option value="category">Category</option> <option value="quantity">Quantity</option> </select> </div> So I can sort these just fine by any field I might sort them by name and it will display something like this 3 Apple $1 Fruit 1 Beef $3 Meat 1 Ice Cream $6 Dairy 5 Milk $4 Dairy 2 Pear $2 Fruit Here is a fiddle of what I have so far http://jsfiddle.net/Darksbane/X7KvB/ This display is fine for all the sorts except the category sort. What I want is when I sort them by category to display it like this Fruit 3 Apple $1 Fruit 2 Pear $2 Fruit Meat 1 Beef $3 Meat Dairy 1 Ice Cream $6 Dairy 5 Milk $4 Dairy Does anyone have any idea how I might be able to display this so differently for that one sort?

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  • Mootools: add HTML text to an Element

    - by Damiano
    Hello, i'm using mootools.js, i have this code: this.html.chat_title = new Element('span', {'id' : 'chat_title', html : 'this is the title'}).inject(this.html.container); The problem is: span id="chat_title" html="this is the title" as you see it doesn't put the text inside the HTML of the tag but as an attribute. What is wrong? Thank you so much!

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  • Create collage with multiple images

    - by Andres
    I'm having quite a challenge... I have a web page where the user clicks on images, those images have to be added together to create only one image and the user must be able to download that group of images as only one... I have no idea how to do this, any tip or info so I can start researching? Here is an example I found searching with google: In my case each of the squares of the image would be a totally different image but this Is what I have to achieve... Thanks!

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  • How to get an embedded function to run multiple times

    - by Guy Montag
    The question I have is how to I get multiple instances of a function to run. Here is my function below - A simple fade function. Problem I'm having is that when it is called a second time it abandons the first call. So if a user clicks on a button it will display a message which fades. If the user clicks on another button the previous fading message just stops at the current opacity level. Try it here - www.arcmarks.com ( please do not repost this domain name) click on SignUp and than quickly click on SignIn with out typing anything. You will see the previous message simply halts. ? What is the stopping mechanism? Where did the previous function go? The function function newEffects(element, direction, max_time ) { newEffects.arrayHold = []; newEffects.arrayHold[element.id] = 0; function next() { newEffects.arrayHold[element.id] += 10; if ( direction === 'up' ) { element.style.opacity = newEffects.arrayHold[element.id] / max_time; } else if ( direction === 'down' ) { element.style.opacity = ( max_time - newEffects.arrayHold[element.id] ) / max_time; } if ( newEffects.arrayHold[element.id] <= max_time ) { setTimeout( next, 10 ); } } next(); return true; }; The Call newEffects(this.element, 'down', 4000 );

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  • Can I access an iframe of the same domain in a separate window?

    - by jozecuervo
    How can I detect the presence of and then call a function on a frame that is already loaded in one tab (my iframed facebook app) from a page being loaded in a new tab (from an ad-served link). It seems most examples focus on parent/child iframe communication. In this case, a link will be served from Google Ad Manager, which only allows _top or _blank to be targeted. I want to pass an id through the ad click into the new page/tab on my domain and then JS call over to the frame my app is in to switch state. Both frames are on my domain but not in the same document or window. Is this possible?

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  • Expression Expected

    - by coffeeaddict
    I cannot figure out what I'm doing wrong syntactically here: function PlaceOrder(button) { var isValid; if (buttonIsSelected()) { showsMessage(btn, "showTestMessage2); isValid = true; } else { Page_ClientValidate(); if (Page_IsValid) { showMessage(btn, "testMessage"); isValid = true; } } return isValid; // error happens here }

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  • sub menu border calls onmouseout event

    - by insanepaul
    I've created a simple menu and submenu with tags(not allowed to use ul elements). To access the submenu the user hovers their mouse over the menu item. I use the onmouseover and onmouseout events to either show or hide the sub menu depending on which item is selected. A pipe (|) is used to seperate each submenu item and this is what is causing me problems. When a user hovers their mouse above the pipe character the subMenu div calls the onmouseout event which is not what I want. So I added padding around the pipe character and a minus margin so that there were no gaps between the pipe character and the other elements. This worked for all browsers including IE8. But in IE7 (I haven't tested IE6 yet) the submenu div calls the onmouseout event when I touch the top bit of either the left or right border of the pipe character span element. <div id="subMenu" onmouseout="hideSubMenu()" > <div id="opinionSubMenu" onmouseover="showOpinionSubMenu()"> <a id="Blogs" href="HTMLNew.htm">BLOGS</a> <span class="SubMenuDelimiter">|</span> <a id="Comments" href="HTMLNew.htm">COMMENTS</a> <span class="SubMenuDelimiter">|</span> <a id="Views" href="HTMLNew.htm">VIEWS</a> </div> <div id="learningSubMenu" onmouseover="showLearningSubMenu()"> <a id="Articles" href="HTMLNew.htm">ARTICLES</a> <span class="SubMenuDelimiter">|</span> <a id="CoursesCases" href="HTMLNew.htm">COURSES & CASES</a> <span class="SubMenuDelimiter">|</span> <a id="PracticeImpact" href="HTMLNew.htm">PRACTICE IMPACT</a> </div> </div> This is my css class #subMenu{ padding:10px 0px; background-color:#F58F2D; font-weight:normal; text-decoration:none; font-family:Lucida Sans Unicode; font-size:14px; float:left; width:100%; display:none;} #Blogs, #Comments, #Views, #Articles { padding:10px 5px; background:none repeat scroll 0 0 transparent; color:#000000; font-weight:normal; text-decoration:none; border:solid 1px black;} #Blogs:hover, #Comments:hover, #Views:hover, #Articles:hover{ color:#ffffff; text-decoration:none;} .SubMenuDelimiter{ padding:10px 5px; margin:10px -5px;}

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  • Angular function constructor in Controller

    - by BigHeadCreations
    In normal JS I can do this: function Droppable() { this.relevant = true; this.uuid = generateUUID(); }; var generateUUID = function() { return '12345'; } console.log(new Droppable); // returns Droppable {relevant: true, uuid: "12345"} But in Angular I have this: angular.module('myApp').controller('MyCtrl', ['$scope', function($scope) { function Droppable() { this.relevant = true; this.uuid = generateUUID(); } var generateUUID = function() { return '12345'; } // initalize droppable areas $scope.region1 = [new Droppable]; $scope.region2 = [new Droppable]; $scope.region3 = [new Droppable]; }]); I am trying to make 3 droppable areas all with a UUID. But when I do this I get 'undefined is not a function' referring to the line this.uuid = generateUUID(); in function Droppable() {...} Why is that?

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  • In Node.js, how can I load my modules once and then use them throughout the app?

    - by TIMEX
    I want to create one global module file, and then have all my files require that global module file. Inside that file, I would load all the modules once and export a dictionary of loaded modules. How can I do that? I actually tried creating this file...and every time I require('global_modules'), all the modules kept reloading. It's O(n). I want the file to be something like this (but it doesn't work): //global_modules.js - only load these one time var modules = { account_controller: '/account/controller.js', account_middleware: '/account/middleware.js', products_controller: '/products/controller.js', ... } exports.modules = modules;

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  • How to get attributes values separately for each container present on the webpage in jquery ?

    - by Rachel
    This question is in continuation to How to get attributes of container in jquer, I have different containers on my webpage and all of them have <div id = "some values"> now how can I get attributes values separately for each component ? Is there any way I can know which attribute id belong to which container div ? Currently I am using : var id = $( '.promotion' ).attr( 'id' ); But if I have multiple promotional components on page and all have same div attribute as id than how can I relate that this particular attribute id belonged to this specific container ? Update: I am having a function which is called for each container present on the page and so if I am using above mentioned code than will it not always return me the first match for id in the div and would never go to other divs and so I will always get same value for id which is for the first container ? If so than what is the work around for this ? Hope this question is clear.

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  • Google Maps : How to open an InfoWindow by hovering a link?

    - by JB
    Hi there, i have a very simple question about Google Maps API. In this case, i have on my page a map on the left, with about 40 points, and the list of these 40 points on the right. So you know, when you click on a point of the map, the "info window" is displayed so you can see some informations about it. I can't find how can i do to simply open the "info window" on the map, by making a "hover" on the corresponding link. (and by the way, close all the others info windows) Did someone have an idea about this? Thanks a lot, have a nice day! :)

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  • Google Maps API - Marker not showing

    - by popnbrown
    I'm trying to add markers for every single row from a table, that sits on the page. The page is http://www.sravanks.com/first/2013ftcmap.php This is the JS code that's loading the markers: $(document).ready(function() { var mapOptions = { center: new google.maps.LatLng(39.740, -89.503), zoom: 7 }; var map = new google.maps.Map(document.getElementById("map-canvas"), mapOptions); var infowindow = new google.maps.InfoWindow(); /* City Markers */ var cityCircle = new Array(); var i = 0; $.each($('.events tr'), function(index, value) { var name = $(this).find('td:first()').html(); var address = $(this).find('.address').html(); var linkUrl = "http://www.sravanks.com/first/geocode.php?address=" + address; $.ajax({ url: linkUrl }).done(function(data){ var json = $.parseJSON(data.substring(0, data.length-1)); lat = json.results[0].geometry.location.lat; lng = json.results[0].geometry.location.lng; var latlng = new google.maps.LatLng(lat, lng); var marker = new google.maps.Marker({ position: latlng, map: map, icon: 'map-pointer-medium.gif' }); google.maps.event.addListener(marker, 'click', function() { infowindow.setContent(name); infowindow.open(map, marker); cityCircle[i] = new google.maps.Circle({strokeColor: '#00FF00', strokeOpacity: 0.8, strokeWeight: 2, fillColor: '#00FF00', fillOpacity: 0.35, map: map, center: latlng, radius: 144841}); i++; }); }); }); /*Team Markers*/ var markers = {}; var teamName, teamNumber, lat, lng, content; $.each($('.list tr'), function(index, value) { teamName = $(this).find('td.name').html(); teamNumber = $(this).find('td.number').html(); markers[teamNumber] = {}; lat = parseFloat($(this).find('td.lat').html()); lng = parseFloat($(this).find('td.lng').html()); content = "Name: " + teamName + "<br />Number: " + teamNumber; markers[teamNumber]['latlng'] = new google.maps.LatLng(lat, lng); markers[teamNumber]['marker'] = new google.maps.Marker({ position: markers[teamNumber]['latlng'], map: map }); google.maps.event.addListener(markers[teamNumber]['marker'], 'click', function() { infowindow.setContent(content); infowindow.open(map, markers[teamNumber]['marker']); }); }); google.maps.event.addListener(infowindow, 'closeclick', function() { for(var i=0;i<cityCircle.length;i++){ cityCircle[i].setMap(null); } }); }); I've got no errors, but the Team Markers do not show up. The strange thing is that the City Markers do show up. Some more info, the City Markers ajax call is just to a proxy that calls the google geocoding api. Again the link's at http://www.sravanks.com/first/2013ftcmap.php

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  • Implemeting web-based autocomplete for structured input

    - by ravigad
    I am looking to implement web-based autocomplete for structured commands. So, for example, suppose I was trying to implement a web-based Windows command line with autocomplete, in such a case I would want to suggest all the available commands, then, once a user selects a command, all the options for that command, then if a user enters a switch (say '-' dash or '/' slash) then offer all the switches for that command and all the relevant values that can follow, and so on. All from the same text input box. If you have used version 4.0 of JIRA, I am thinking of something similar to the JQL search input box that they have implemented. I have not managed to find any tutorials that look at this scenario end-to-end (which is a shame, because it would be great to see more applications that do this). What I am looking for is some guidance on the steps needed to implement this solution: Do you have any experience implementing such a solution and if so what components did you use? Would you use a framework such as ANTLR to provide the available options to the end user? If not what would do? Sorry for raising such a general question, but my main problem is working out how the pieces fit together as opposed to, say, how to do autocomplete or how to parse/tokenize an input command...

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  • Input-type-file path, where is it stored on AJAX request ?!?

    - by Sheavi
    Hi, I have been monitoring the parameters a website receives when a file is uploaded (via an input type="file"). Surprisingly, the parameter and its value were looking like this : parameter: upfile value: filename="this is the name of the uploaded file.png" Content-type: image/x-png Now in this POST request to the server page, the file name and its type is passed into a parameter, but what about the path to that filename? Where is that path stored so that the server page can upload the file at the good location? Also, I would like to know if it would be possible by any way to specify a path, NOT to the input type="file" since its impossible, but to the server (though this question probably depends a lot on how the server-side page is scripted). Thank you for your answers.

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  • jQuery UI .widgets resetting scroll positions of elements contained within

    - by Derek Adair
    I am making heavy use of jQuery UI with my latest project. Unfortunately I've hit a major wall due to some really whacky behavior exhibited by the jQuery UI widgets when they contain elements with scrollbars for overflow. Check out this demo Scroll down in one of the .scroll-container elements Click an accordion header Click on old header - note the element was auto-scrolled to the top. Is there anyway to prevent this from happening? It's screwing with a major plugin of mine that utilizes jQuery scrolling. I'm flat-out lost as to what to do here! Perhaps this is a bug worth mentioning in the jQuery UI dev forums... EDIT I am using Chrome - 8.0.552.231 and OSX 10.6.5

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  • Observing 'click' event on <a> tag generated by scriptaculous Builder

    - by bratsche
    I'm using scriptaculous Builder to generate some DOM elements dynamically, and one of them is a link tag. I wasn't sure how to generate this with the click callback inline along with the rest of the Builder code, so I'm generating the link tag ahead of time and then inserting it with the rest of the Builder phase. The problem is that the callback for the link is never actually executed when I click the link, and the URL bar changes to http://localhost/foo/bar/# instead. The callback method is a part of my class, so I'm binding it as an event listener ahead of time. var Foo = Class.create ({ initialize: function () { this.closeBinding = this.doClose.bindAsEventListener (this); }, generate: function () { /* Create the link and bind the click listener */ var close_link = Builder.node ('a', { href: '#' }, 'Close'); Event.observe (close_link, 'click', this.closeBinding); /* Generate the new DOM nodes */ return Builder.node ('div', [ Builder.node ('h2', 'This is a test'), close_link ]); }, doClose: function (evt) { /* This code is never called when I click the link. */ } });

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  • How can I keep a div's scrollbar at the bottom of the div using jQuery?

    - by dannytatom
    I have a div called #output, styled with overflow: scroll;. Using jQuery.ajax, it's being updated every x second. I'd like to have it so that when the scrollbar appears (after the divs filled up), it should continously stay at the bottom of the div instead of the top, like most chat clients do. I'm sure there's a way to do this, I just can't seem to find it. Here's the Sass #output :margin 0 0 10px 0 :padding 10px :height 500px :overflow scroll :background #111111 :border 1px solid #000000 :color #8e8e8e and the Haml is just a simple #output = @output

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  • get $_SERVER['HTTP_X_REQUESTED_WITH'] with iframe

    - by keith
    I'm working with Colorbox and if I specify to use an iframe with it then the $_SERVER['HTTP_X_REQUESTED_WITH'] variable is no longer available to me. I need that in order to detect if ajax has loaded so then I can include a header/footer or not. Anyway to get this variable or is there another variable that I can get when I use iframe? Thanks.

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  • javasrcipt asyncronous function

    - by Ben
    Hi there, i have a problem understanding how this could/should be solved. I have two functions. In the first function ( I call it loadData() ) I'm doing an asyncronous request to the server to load some data. In the second function ( saveData() ) I'm also doing an asyn request to the server to write some data. In the callback of this request I'm callin loadData() to refresh the data. Now the problem: In the saveData() function I want to wait for loadData() to be finished bevore I show a dialog (like alert('Data saved')) I guess this is a common problem, but I couldn't find the solution for it (if there is one..) A solution would be to make the requests syncronous, but the framework I'm using doesn't offer that and I hope there's a better solution.. Thanks to all!

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