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  • How to select the first property with unknown name from JSON and how to select first item from array

    - by Oscar Godson
    I actually have two questions, both are probably simple, but for some odd reason I cant figure it out... I've worked with JSON 100s of times before too! but here is the JSON in question: {"69256":{"streaminfo":{"stream_ID":"1025","sourceowner_ID":"2","sourceowner_avatar":"http:\/\/content.nozzlmedia.com\/images\/sourceowner_avatar2.jpg","sourceownertype_ID":"1","stream_name":"Twitter","streamtype":"Social media","appsarray":[]},"item":{"headline":"Charboy","main_image":"http:\/\/content.nozzlmedia.com\/images\/author_avatar173212.jpg","summary":"ate a tomato and avocado for dinner...","nozzl_captured":"2010-05-12 23:02:12","geoarray":[{"state":"OR","county":"Multnomah","city":"Portland","neighborhood":"Downtown","zip":"97205","street":"462 SW 11th Ave","latitude":"45.5219","longitude":"-122.682"}],"full_content":"ate a tomato and avocado for dinner tonight. such tasty foods. just enjoyable.","body_text":"ate a tomato and avocado for dinner tonight. such tasty foods. just enjoyable.","author_name":"Charboy","author_avatar":"http:\/\/content.nozzlmedia.com\/images\/author_avatar173212.jpg","fulltext_url":"http:\/\/twitter.com\/charboy\/statuses\/13889868936","leftovers":{"twitter_id":"tag:search.twitter.com,2005:13889868936","date":"2010-05-13T02:59:59Z","location":"iPhone: 45.521866,-122.682262"},"wordarray":{"0":"ate","1":"tomato","2":"avocado","3":"dinner","4":"tonight","5":"tasty","6":"foods","7":"just","8":"enjoyable","9":"Charboy","11":"Twitter","13":"state:OR","14":"county:Multnomah, OR","15":"city:Portland, OR","16":"neighborhood:Downtown","17":"zip:97205"}}}} Question 1: How do I loop through each item (69256) when the number is random? e.g. item 1 is 123, item2 is 646? Like, for example, a normal JSON feed would have something like: {'item':{'blah':'lorem'},'item':{'blah':'ipsum'}} the JS would be like console.log(item.blah) to return lorem then ipsum in a loop How do I do it when i dont know the first item of the object? Question 2: How do I select items from the geoarray object? I tried: json.test.item.geoarray.latitude and json.test.item.geoarray['latitude']

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  • how to make Regular expression into non-greedy ?

    - by Rueta
    Hi everyone! I have made a Work with JQ. My Work is a string width a special character block begin and end of string. I want take the text in that special characters, i used regular expression for find in string, but how to make JQ find multi result when have two special character or more. My html here; <div id="container"> <div id="textcontainer"> Cu?c chi?n pháp lý gi?a [|co th?|nghi?m|] th? tru?ng [|test2|dây là test l?n 2|] ch?ng khoán [|M?|day la nuoc my|] và ngân hàng d?u tu quy?n l?c nh?t Ph? Wall m?i ch? b?t d?u. </div> </div> and my JQ $(document).ready(function() { var takedata = $("#textcontainer").text(); var test = 'abcd adddb'; var filterdata = takedata.match(/(\[.+\])/); alert(filterdata); //end write js }); my result is: [|co th?|nghi?m|] th? tru?ng [|test2|dây là test l?n 2|] ch?ng khoán [|M?|day la nuoc my|] . but this is'nt the result i want :(. How to get [text] for times 1 and [demo] for times 2 ?. pls help me !. thankyou :)

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  • RegEx to replace html entities

    - by DeltaFox
    Hi, all. I'm looking for a way to replace the bullet character in Greasemonkey. I assume a Regular Expression will do the trick, but I'm not as well-versed in it as many of you. For example, "SampleSite.com • Page Title" becoming "SampleSite.com Page Title". The issue is that the character has already been parsed by the time Greasemonkey has gotten to it, and I don't know how to make it recognize the symbol. I've tried these so far, but they haven't worked: newTitle = document.title.replace(/•/g, ""); newTitle = document.title.replace("•", ""); //just for grins, but didn't work anyway

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  • Chrome Extension contenteditable get and set caret position

    - by jwize
    I am creating an extension where I need to insert a link into the gmail window. I am able to create a simple extension button in the top of the window and execute code that does replaces all the links. Now, I want to do add links in the contenteditable section as I type. It seems like there should be a simple way to replace text with a link in the document object model. If this is not true I need to do three things. Insert text from the current caret position Capture the caret position. Set the caret position by its offset. I have tried using window.getSelection within the gmail context(that is a body element that is set to contenteditable and embedded inside an iframe in the gmail tab) to get the current range and position. The selection is always empty and contains no ranges regardless of whether text is selected or not.

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  • Ecmascript 5 Date.parse for ISO 8601 test cases

    - by 4esn0k
    What results is right for next test cases? //Chrome Opera Firefox IE 9 Safari console.log(Date.parse("2012-11-31T23:59:59.000Z"));//1354406399000 NaN NaN 1354406399000 NaN console.log(Date.parse("2012-12-31T23:59:59.000Z"));//1356998399000 1356998399000 1356998399000 1356998399000 1356998399000 console.log(Date.parse("2012-12-31T23:59:60.000Z"));//NaN NaN NaN NaN 1356998400000 console.log(Date.parse("2012-04-04T05:02:02.170Z"));//1333515722170 1333515722170 1333515722170 1333515722170 1333515722170 console.log(Date.parse("2012-04-04T24:00:00.000Z"));//NaN 1333584000000 1333584000000 1333584000000 1333584000000 console.log(Date.parse("2012-04-04T24:00:00.500Z"));//NaN NaN 1333584000500 1333584000500 NaN

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  • Match string which doesn't start with

    - by Pinky
    I have a string that looks like this: var str = "Hello world, &nbsp;hello &gt;world, hello world!"; ... and I'd like to replace all the hellos with e.g. bye and world with earth, except the words that start with &nbsp or &gt. Those should be ignored. So the result should be: bye earth, &nbsp;hello &gt;world, bye earth! Tried to this with str.replace(/(?!\&nbsp;)hello/gi,'bye')); But it doesn't work.

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  • jQuery sortColumns plugin: How to sort correctly with rowspan

    - by Thang Pham
    Following this post jQuery table sort (github link: https://github.com/padolsey/jQuery-Plugins/blob/master/sortElements/jquery.sortElements.js), I am successfully sort columns, however it does not work in the case of rowspan: For example, case like this Grape 3,096,671M 1,642,721M Apple 2,602,750M 3,122,020M When I click on the second column, it try to sort Apple 2,602,750M 1,642,721M Grape 3,096,671M 3,122,020M which as you can see is not correct, please any jQuery guru help me fix this problem. Here is my code var inverse = false; function sortColumn(index){ index = index + 1; var table = jQuery('#resultsTable'); table.find('td').filter(function(){ return jQuery(this).index() == index; }).sortElements(function(a, b){ a = convertToNum($(a).text()); b = convertToNum($(b).text()); return ( isNaN(a) || isNaN(b) ? a > b : +a > +b ) ? inverse ? -1 : 1 : inverse ? 1 : -1; },function(){ return this.parentNode; }); inverse = !inverse; } function convertToNum(str){ if(isNaN(str)){ var holder = ""; for(i=0; i<str.length; i++){ if(!isNaN(str.charAt(i))){ holder += str.charAt(i); } } return holder; }else{ return str; } } Question: 1.How do I sort this with rowspan. THE NUMBER OF ROWSPAN IS NOT ALWAYS THE SAME. The above example both Grape and Apple have rowspan of 2, but this is not always the case. 2.Can any explain this syntax: return ( isNaN(a) || isNaN(b) ? a > b : +a > +b ) ? inverse ? -1 : 1 : inverse ? 1 : -1; So I can see that if either a or b is not a number, then do string comparison otherwise do number comparison, but I dont understand the inverse ? -1 : 1 : inverse ? 1 : -1;

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  • Use queried json data in a function

    - by SztupY
    I have a code similar to this: $.ajax({ success: function(data) { text = ''; for (var i = 0; i< data.length; i++) { text = text + '<a href="#" id="Data_'+ i +'">' + data[i].Name + "</a><br />"; } $("#SomeId").html(text); for (var i = 0; i< data.length; i++) { $("#Data_"+i).click(function() { alert(data[i]); RunFunction(data[i]); return false; }); } } }); This gets an array of some data in json format, then iterates through this array generating a link for each entry. Now I want to add a function for each link that will run a function that does something with this data. The problem is that the data seems to be unavailable after the ajax success function is called (although I thought that they behave like closures). What is the best way to use the queried json data later on? (I think setting it as a global variable would do the job, but I want to avoid that, mainly because this ajax request might be called multiple times) Thanks.

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  • Text Gradient whith sIFR 3

    - by andreeib
    Hi, I want to use sIFR 3 to add a simple linear gradient filter to a text, I can't find this in the ducumentation hope you guys can give me some help. I found an article that show's how to do this but requiers the modification of the flash file and that's not what I want to do. I looked in the sIFR documentaion and I didn't found a Gradient filter, I hope this effect can be made simple using the sIFR filters. Thank's

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  • IE7 is making my life miserable! Getting gaps between html table columns (w/ colspan) with css togg

    - by Art Peterson
    Copy/paste this html code snippet and try it out in IE7. When you toggle the hidden columns it leaves a gap between the columns. In Firefox it works fine, the columns touch when minimized. Haven't tried IE8 yet, would be curious to hear how it works there. Any ideas? I've tried a bunch of things in the CSS like table-layout:fixed but no luck. Note: Not looking for a different toggling method because the table I'm really dealing with is 50+ columns wide and 4000+ rows so looping/jquery techniques are too slow. Here's the code - if someone can re-post a working version of it I'll instantly give them the check and be forever in your debt! <DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <script> function toggle() { var tableobj = document.getElementById("mytable"); if (tableobj.className == "") { tableobj.className = "hide1 hide2"; } else { tableobj.className = ""; } } </script> <style> table { border-collapse: collapse; } td, th { border: 1px solid silver; } .hide1 .col1 { display: none; } .hide2 .col2 { display: none; } </style> </head> <body> <input type="button" value="toggle" onclick="toggle();" /> <table id="mytable"> <tr> <th>A</th> <th colspan="2">B</th> <th colspan="2" class="col1">B1</th> <th colspan="2">C</th> <th colspan="2" class="col2">C1</th> </tr> <tr> <td>123</td> <td>456</td> <td>789</td> <td class="col1">123</td> <td class="col1">456</td> <td>789</td> <td>123</td> <td class="col2">456</td> <td class="col2">789</td> </tr> </table> </body> </html>

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  • jQuery Ajax form submit, to call php login script

    - by Stevie Jenowski
    Thanks for checking out my problem... I'm having trouble submitting a login form via Ajax for a php script to run and return a new set of html items which will be replacing the HTML in #userlinks.... heres what I have so far $("#login_form").submit(function() { return false; }); $('#login_button').click(function(event) { $form = $(this).parent("form"); $.post($form.attr("action"), $form.serialize(), function(data){ $('#userlinks').html(data); }); }); The php script checks for post data of username && password, yet all I'm getting is a page refresh and no changes. Nothing returns unless I turn login_button into a link and change the script a bit... Any help would be appreciated!

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  • background image preload

    - by Bharanikumar
    Shall i use below snippet for preload background images, or else is there any snippet there , function preload(images) { if (document.images) { var i = 0; var imageArray = new Array(); imageArray = images.split(','); var imageObj = new Image(); for(i=0; i<=imageArray.length-1; i++) { //document.write('<img src="' + imageArray[i] + '" />');// Write to page (uncomment to check images) imageObj.src=images[i]; } } }

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  • Cannot set property X of undefined - programatically created element

    - by Dave
    I am working on a class to create a fairly complex custom element. I want to be able to define element attributes (mainly CSS) as I am creating the elements. I came up with the below function to quickly set attrs for me given an input array: // Sample array structure of apply_settings //var _button_div = { // syle : { // position: 'absolute', // padding : '2px', // right : 0, // top : 0 // } //}; function __apply_settings(__el,apply_settings){ try{ for(settingKey in apply_settings){ __setting = apply_settings[settingKey]; if(typeof(__setting)=='string'){ __el[settingKey] = __setting; }else{ for(i in __setting){ __el[settingKey][i] = apply_settings[settingKey][i]; } } } }catch(ex){ alert(ex + " " + __el); } } The function works fine except here: function __draw_top(){ var containerDiv = document.createElement('div'); var buttonDiv = document.createElement('div'); __apply_settings(containerDiv,this.settings.top_bar); if(global_settings.show_x) buttonDiv.appendChild(__create_img(global_settings.images.close)); containerDiv.appendChild(buttonDiv); __apply_settings(buttonDiv,this.settings.button_div); return containerDiv; } The specific section that is failing is __apply_settings(buttonDiv,this.settings.button_div); with the error "Cannot set property 'position' of undefined". So naturally, I am assuming that buttonDiv is undefined.. I put alert(ex + " " + __el); in __apply_settings() to verify what I was working with. Surprisingly enough, the element is a div. Is there any reason why this function would be working for containerDiv and not buttonDiv? Any help would be greatly appreciated :) {EDIT} http://jsfiddle.net/Us8Zw/2/

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  • how to search some character inside string

    - by klox
    i have been type some string inside textfield that is "KD-G435MUN2D"... i already use this code for search "UD" character from that string: <script> var str="KD-R435MUN2D"; var patt1=/UD/gi; document.write(str.match(patt1)); </script> but this code doesn't work..where is my fault?

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  • Render as html from a remote link on Rails

    - by francordie
    On my registration form i want to show a modal (of twitter-bootstrap) when the user has a successfull signup to tell him to check his email so i put "remote: true" on my form and render a .js.erb wich shows the modal, on my controller. BUT, in case of inputs errors i need to render the page as html to refresh de form showing those errors. Can I call the controller from the remote form as JS but render as html? (or any other idea to do what i want) Thanks!

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  • Ember nested route. Load more models

    - by user3568719
    JsBin http://jsbin.com/EveQOke/153/ I know how to load more then one model to a route, using Ember.RSVP.hash. (see Jsbin Children menu). I use dynamic part to access one elem from a collection children/1. But i cant load more models to a nested resource. In my example i want to populate all the toys for a select, not just list the toys of the child. I have tried to access the model of the route children App.ChildRoute = Ember.Route.extend({ model: function(param){ return Ember.RSVP.hash({ allToys: this.modelFor("children"), child:this.store.find('child', param.child_id) }); } }); and use its model's toy property (since there have already loaded all of the toys) child.hbs <h4>All avaiable toys</h4> <table> {{#each toy in model.allToys.toys}} <tr> <td>{{toy.name}}</td> </tr> {{/each}} </table>

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  • How to add multiple series in highcharts synchronously

    - by leonlong
    I tried to add multiple series in highcharts synchronously, but the response time is very slow. It took almost 3-5 seconds to display the charts. Here is part of the code. while(chart.series.length>0){ chart.series[0].remove(true); } chart.addSeries(series1); chart.addSeries(series2); chart.addSeries(series3); chart.addSeries(series4); chart.addSeries(series5); When I remain only one addSeries command, it response immediately, so I realized it may be the problem of add multiple series in highcharts synchronously. Not so good at highcharts, so is there anyone could help me about this? Or maybe there is another way to do this, I am much appreciated.

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  • Send an onclick to a dropdown list

    - by P Nelson
    Is it possible to show the list of items in a dropdown list when the user presses the up or down arrow keys, when focus is on that dropdown control? I think this would involve sending an onclick to the dropdown list using onkeydown for Keycode 38(arrow up) & 40(arrow down)? But I cannot figure out how to do this.

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