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  • Cannot access NSDictionary

    - by michael blaize
    I created a JSON using a PHP script. I am reading the JSON and can see that the data has been correctly read. However, when it comes to access the objects I get unrecognized selector sent to instance... Cannot seem to find why that is after too many hours !!!! Any help would be great ! My code looks like that: `NSDictionary *json = [[NSDictionary alloc] init]; json = [NSJSONSerialization JSONObjectWithData:receivedData options:kNilOptions error:&error]; NSLog(@"raw json = %@,%@",json,error); NSMutableArray *name = [[NSMutableArray alloc] init]; [name addObjectsFromArray: [json objectForKey:@"name"]];` The code crashes when reaching the last line above. The output like this: raw json = ( { category = vacancies; link = "http://blablabla.com"; name = "name 111111"; tagline = "tagline 111111"; }, { category = vacancies; link = "http://blobloblo.com"; name = "name 222222222"; tagline = "tagline 222222222"; } ),(null) 2012-06-23 21:46:57.539 Wind expert[4302:15203] -[__NSCFArray objectForKey:]: unrecognized selector sent to instance 0xdcfb970 HELP !!!

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  • IE AJAX/Jquery issue - redirecting to new page instead of loading it into a div

    - by phx-zs
    I have a page like this: <form class="ajax" method="post" action="add_item.php"> [text input] [submit button] </form> [list any items the user has in a div here called #items] When the user clicks the submit button, a function like this is called: $("form.ajax").live('submit', function(event) { params = $(this).serialize(); $.post($(this).attr("action"), params, function(data){ json = $.parseJSON(data); // do stuff based on the json results if(json.success.action == 'replace'){ $(json.success.container).html(json.success.message); } else{ $(json.success.container).prepend(json.success.message); $(json.success.container).find(".item:first").slideDown(); } }); event.returnValue = false; return false; }); This is supposed to load add_item.php into the #items div, and it works fine in FF, Chrome, Safari, just not IE. In IE (tested 7 and 8) when I click Submit it redirects the page to add_item.php rather than loading it into the #items div. I tried adding event.preventDefault(); to the end of the function but that didn't work. Any ideas?

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  • BigQuery - UK dev community, JSON, nested/repeated, improved data loading - Live from London

    BigQuery - UK dev community, JSON, nested/repeated, improved data loading - Live from London Join Michael Manoochehri and Ryan Boyd live from London to discuss Strata London and Best Practices for using BigQuery. They'll also host an open Office Hours. Please add your questions to Google Moderator on developers.google.com From: GoogleDevelopers Views: 87 14 ratings Time: 33:00 More in Science & Technology

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  • Storing translation data as JSON column

    - by j0ntech
    We're deciding on how to store translations of some descriptions of database items. We could go the traditional way and keep a translations table (and a language table and an object_translation linking table) OR we thought it might be better to just have a Description column that contains JSON like the following: { "EN": "This is the translation in English", "EE" : "See on kirjeldus eesti keeles" } Are there any serious downsides as to why we shouldn't use this? (I haven't seen it being used anywhere else)

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  • USING JSON SERIALIZATION FOR CODE BEHIND-JAVASCRIPT DATA COMMUNICATION

    Many of us went through a scenario like, can us pass a full of C# type/class to the javascript? Modify from there and again return back to C#? The difficulty is that JavaScript only knows string format comared to C# which has many data types. So how we can pass an entires class to JavaScript? Here we need to handle with JSON serialization techniques.

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  • DB12c In-Memory & JSON ?????

    - by katsumii
    ???8?18??20????????? DB12c PS1(PatchSet 1, 12.1.0.2.0)?????????JSON ??In-Memory Option ??????????????????????????????????????????????????????????????????????????In-Memory???????????????????????????????????????????????????????????????????????[????] Oracle Database 12c In-Memory?????????! (Oracle Technology Network Japan Blog)?Oracle Database 12c? Oracle In-Memory Option???? 8?28?(?)19:00 ~20:40 @  ??????????(??????)

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  • How to optimize this JSON/JQuery/Javascript function in IE7/IE8?

    - by melaos
    hi guys, i'm using this function to parse this json data but i find the function to be really slow in IE7 and slightly slow in IE8. basically the first listbox generate the main product list, and upon selection of the main list, it will populate the second list. this is my data: [{"ProductCategoryId":209,"ProductCategoryName":"X-Fi","ProductSubCategoryId":668,"ProductSubCategoryName":"External Solutions","ProductId":15913,"ProductName":"Creative Xmod","ProductServiceLifeId":1},{"ProductCategoryId":209,"ProductCategoryName":"X-Fi","ProductSubCategoryId":668,"ProductSubCategoryName":"External Solutions","ProductId":15913,"ProductName":"Creative Xmod","ProductServiceLifeId":1},{"ProductCategoryId":209,"ProductCategoryName":"X-Fi","ProductSubCategoryId":668,"ProductSubCategoryName":"External Solutions","ProductId":18094,"ProductName":"Sound Blaster Wireless Receiver","ProductServiceLifeId":1},{"ProductCategoryId":209,"ProductCategoryName":"X-Fi","ProductSubCategoryId":668,"ProductSubCategoryName":"External Solutions","ProductId":16185,"ProductName":"Xdock Wireless","ProductServiceLifeId":1},{"ProductCategoryId":209,"ProductCategoryName":"X-Fi","ProductSubCategoryId":668,"ProductSubCategoryName":"External Solutions","ProductId":16186,"ProductName":"Xmod Wireless","ProductServiceLifeId":1}] and these are the functions that i'm using: //Three Product Panes function function populateMainPane() { $.getJSON('/Home/ThreePaneProductData/', function(data) { products = data; alert(JSON.stringify(products)); var prodCategory = {}; for (i = 0; i < products.length; i++) { prodCategory[products[i].ProductCategoryId] = products[i].ProductCategoryName; } //end for //take only unique product category to be used var id = 0; for (id in prodCategory) { if (prodCategory.hasOwnProperty(id)) { $(".LBox1").append("<option value='" + id + "'>" + prodCategory[id] + "</option>"); //alert(prodCategory[id]); } } var url = document.location.href; var parms = url.substring(url.indexOf("?") + 1).split("&"); for (var i = 0; i < parms.length; i++) { var parm = parms[i].split("="); if (parm[0].toLowerCase() == "pid") { $(".PanelProductReg").show(); var nProductIds = parm[1].split(","); for (var k = 0; k < nProductIds.length; k++) { var nProductId = parseInt(nProductIds[k], 10); for (var j = 0; j < products.length; j++) { if (nProductId == parseInt(products[j].ProductId, 10)) { addProductRow(nProductId, products[j].ProductName); j = products.length; } } //end for } } } }); } //end function function populateSubCategoryPane() { var subCategory = {}; for (var i = 0; i < products.length; i++) { if (products[i].ProductCategoryId == $('.LBox1').val()) subCategory[products[i].ProductSubCategoryId] = products[i].ProductSubCategoryName; } //end for //clear off the list box first $(".LBox2").html(""); var id = 0; for (id in subCategory) { if (subCategory.hasOwnProperty(id)) { $(".LBox2").append("<option value='" + id + "'>" + subCategory[id] + "</option>"); //alert(prodCategory[id]); } } } //end function is there anything i can do to optimize this or is this a known browser issue?

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  • How do I parse JSON from a Java HTTPResponse?

    - by Joe Ludwig
    I have an HttpResponse object for a web request I just made. The response is in the JSON format, so I need to parse it. I can do it in an absurdly complex way, but it seems like there must be a better way. Is this really the best I can do? HttpResponse response; // some response object Reader in = new BufferedReader( new InputStreamReader(response.getEntity().getContent(), "UTF-8")); StringBuilder builder= new StringBuilder(); char[] buf = new char[1000]; int l = 0; while (l >= 0) { builder.append(buf, 0, l); l = in.read(buf); } JSONTokener tokener = new JSONTokener( builder.toString() ); JSONArray finalResult = new JSONArray( tokener ); I'm on Android if that makes any difference.

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  • Convert an HTML form field to a JSON object with inner objects.

    - by Tawani
    Given the following HTML form: <form id="myform"> Company: <input type="text" name="Company" value="ACME, INC."/> First Name: <input type="text" name="Contact.FirstName" value="Daffy"/> Last Name: <input type="text" name="Contact.LastName" value="Duck"/> </form> What is the best way serialize this form in javascript to a JSON object in the format: { Company:"ACME, INC.", Contact:{FirstName:"Daffy", LastName:"Duck"} } Also note that there might be more than 1 "." sign in the field name.

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  • How can I enable Pascal casing by default when using Jackson JSON in Spring MVC?

    - by bhilstrom
    I have a project that uses Spring MVC to create and handle multiple REST endpoints. I'm currently working on using Jackson to automatically handle the seralization/deserialization of JSON using the @RequestBody and @ResponseBody annotations. I have gotten Jackson working, so I've got a starting point. My problem is that our old serialization was done manually and used Pascal casing instead of Camel casing ("MyVariable" instead of "myVariable"), and Jackson does Camel casing by default. I know that I can manually change the name for a variable using @JsonProperty. That being said, I do not consider adding "@JsonProperty" to all of my variables to be a viable long-term solution. Is there a way to make Jackson use Pascal casing when serializing and deserializing other than using the @JsonProperty annotation?

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  • In Django : How to serialize dict object to json ?

    - by Rohit
    I have this very basic problem, >>> serializers.serialize("json", {'a':1}) Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/lib/pymodules/python2.6/django/core/serializers/__init__.py", line 87, in serialize s.serialize(queryset, **options) File "/usr/lib/pymodules/python2.6/django/core/serializers/base.py", line 40, in serialize for field in obj._meta.local_fields: AttributeError: 'str' object has no attribute '_meta' >>> How can this be done ? Thanks in advance !

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  • How do I put my return data from an asmx into JSON? I'm having trouble finding decent literature

    - by jphenow
    I want to return an array of javascript objects from my asp.net asmx file. ie. variable = [ { *value1*: 'value1', *value2*: 'value2', ..., }, { . . } ]; I seem have been having trouble reaching this. I'd put this into code but I've been hacking away at it so much it'd probably do more harm than good in having this answered. Basically I am using a web service to find names as people type the name. I'd use a regular text file or something but its a huge database that's always changing - and don't worry I've indexed the names so searching can be a little snappier - but I would really prefer to stick with this method and just figure out how to get usable JSON back to javascript. I've seen a few that sort of attempt to describe how one would approach this but I honestly think microsofts articles are damn near unreadable. Thanks in advance for assistance.

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  • Is it hacky to manually construct JSON and manually handle GET, POST instead of using a proper RESTful API for AJAX functionality?

    - by kliao
    I started building a Django app, but this probably applies to other frameworks as well. In Backbone.js methods that call the server (fetch(), create(), destroy(), etc.), should you be using a proper RESTful API such as one provided by Tastypie or Django-Piston? I've founded it easier and more flexible to just construct the JSON in my Django Views, which are mapped to some URLs that Backbone.js can use. Then again, I'm probably not leveraging Tastypie/Django-Piston functionality to the fullest. I'm not ready to make a full-fledged RESTful API for my app yet. I simply would like to use some of the AJAXy functionality that Backbone.js supports. Pros/Cons of doing this?

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  • How to get JSON objects value if it's name contains dots?

    - by manakor
    I have a very simple JSON array (please focus on "points.bean.pointsBase" object): var mydata = {"list": [ {"points.bean.pointsBase": [ {"time": 2000, "caption":"caption text", duration: 5000}, {"time": 6000, "caption":"caption text", duration: 3000} ] } ] }; // Usually we make smth like this to get the value: var smth = mydata.list[0].points.bean.pointsBase[0].time; alert(smth); // should display 2000 But, unfortunately, it does display nothing. When I change "points.bean.pointsBase" to smth without dots in it's name - everything works! However, I can't change this name to anything else without dots, but I need to get a value?! Is there any options to get it?

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  • Send JSON object via GET and POST without having to wrapping it in another object literal, and manag

    - by Kucebe
    My site does some short ajax call in JSON format, using jQuery. At client-side i'd like to send object just passing it in ajax function, without being forced to wrap it in an object literal like this: {'person' : person}. For the same reasons, at server-side i'd like to manage objects without the binding of $_GET['person'] or $_POST['person']. For example: var person = { 'name' : 'John', 'lastName' : 'Doe', 'age' : 32, 'married' : true } sendAjaxRequest(person); in php, using: $person = json_decode(file_get_contents("php://input")); i can get easily the object, but only with POST format, not in GET. Any suggestions?

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  • How to get jSon object in servlet from jsp?

    - by divi
    In jsp page i have written: var sel = document.getElementById("Wimax"); var ip = sel.options[sel.selectedIndex].value; var param; var url = 'ConfigurationServlet?ActionID=Configuration_Physical_Get'; httpRequest = new ActiveXObject("Microsoft.XMLHTTP"); httpRequest.open("POST", url, true); httpRequest.onreadystatechange = handler(){ if (httpRequest.readyState == 4) { if (httpRequest.status == 200) { param = 'ip='+ip; param += 'mmv='+mmv; param += "tab="+tab; }}; httpRequest.send(param); i want this param variable in my configurationServlet. Can any one tel me how to get this json object in servlet???

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  • How to store and access JSON data for a site?

    - by Callmeed
    I'm buiding an HTML/jQuery site where almost all the content comes from remote JSON data. I'm having trouble coming up with a good way to store and access the data in the future (scope-wise). Currently, I've written a jQuery plugin that gets the JSONP data when the site loads. But I have other functions and jQuery plugins that need to access this data. Where should this data be stored so other functions and plugins can access it? Should it be a global variable? If it matters, this site will only run on the iPad and the back-end of the site is in Rails.

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  • How might I escape Unicode characters in a JSON string using JavaScript?

    - by user293006
    JSON String: { "id":31896, "name":"Zickey attitude - McKinley, La Rosi\u00e8re, 21 ao\u00fbt 2006", ... } this causes an unterminated string in JavaScript. My attempt at a solution is: data.replace(/(\S)\1(\1)+/g, ''); or data.replace(/\\u([0-9A-Z])/, ''); any ideas/solution? Example: http://api.jamendo.com/get2/id+name+url+stream+album_name+album_url+album_id+artist_id+artist_name/track/jsonpretty/track_album+album_artist/?n=13&order=ratingmonth_desc&tag_idstr=jazz last node is the problem, fyi. (/\\u([0-9A-Z])/, '\1');

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  • Send JSON object via GET and POST in php without having to wrapping it in another object literal.

    - by Kucebe
    My site does some short ajax call in JSON format, using jQuery. At client-side i'd like to send object just passing it in ajax function, without being forced to wrap it in an object literal like this: {'person' : person}. For the same reasons, at server-side i'd like to manage objects without the binding of $_GET['person'] or $_POST['person']. For example: var person = { 'name' : 'John', 'lastName' : 'Doe', 'age' : 32, 'married' : true } sendAjaxRequest(person); in php, using: $person = json_decode(file_get_contents("php://input")); i can get easily the object, but only with POST format, not in GET. Any suggestions?

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  • How to get maximum/largest value from json object with Android?

    - by blankon91
    I've json string like this: {"GetReportResult":[ {"bulan":"4","total":"2448","type":"CHEESE1K","uang":"8847823"},{"bulan":"4","total":"572476","type":"ESL","uang":"5863408410"},{"bulan":"4","total":"46008","type":"ESL500ML","uang":"234498301"},{"bulan":"4","total":"228985","type":"UHT","uang":"1367172990"},{"bulan":"4","total":"40995","type":"WHP","uang":"235750452"},{"bulan":"5","total":"5703","type":"CHEESE1K","uang":"134929306"},{"bulan":"5","total":"648663","type":"ESL","uang":"6645764498"},{"bulan":"5","total":"49305","type":"ESL500ML","uang":"266817346"},{"bulan":"5","total":"287867","type":"UHT","uang":"1446897805"},{"bulan":"5","total":"51958","type":"WHP","uang":"631994613"},{"bulan":"6","total":"4390","type":"CHEESE1K","uang":"104527773"},{"bulan":"6","total":"443335","type":"ESL","uang":"4540123082"},{"bulan":"6","total":"28462","type":"ESL500ML","uang":"148290912"},{"bulan":"6","total":"213250","type":"UHT","uang":"1197646870"},{"bulan":"6","total":"27049","type":"WHP","uang":"189802525"} ]} I want to get maximum/largest value of bulan, which is 6. How to do that on android?

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  • Json, Timer, Ajax, What is faster (for shared cronometer) ?

    - by Felipe
    Hi everybody, I'm developing an application using ASP.Net. For first the idea: "My WebApp needs an cronometer to be shared by users and all users will se the same value in cronometer. When a user clicks on a button, the cronometer needs to be restarted and all users will need to see that!" All right, now I'd like to know what's the best choose to improve more performace an make sure that all users will see the same value in cronometer ? Need I use JSon (with jquery in client side), Timer with UpdatePanel of Ajax Extensions, pure Ajax (with JQuery) or any idea to suggested ? Any suggestion for how to shared a cronometer for all users in C# (put information in Cache or database) ? Thanks all Cheers

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  • install PECL JSON in PHP 5.04

    - by Radu Maris
    It's OK (compatible) to install PECL native JSON (from here) in PHP 5.0.4, on a production server running FC4 where unfortunately I cannot update PHP to at least 5.2 ? If there is a good chance to screw up PHP instalation on the server, I will not try to install it, and I will stick to Service JSON ( http ://svn.php.net/viewvc/pear/packages/Services_JSON/trunk/ ) In documentation ( http ://aurore.net/projects/php-json/ ) I have found: A simple ./configure; make; make install should do the trick. Make sure to add an extension=json.so line to your php.ini/php.d. (but I can't find anythink about compatible versions of PHP) Thank you. (Please don't tell me to update the OS and PHP, beacause it's not my decision :( )

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  • .NET PostSubmitter sends backslashes

    - by Stefan N.
    Hi, I'm using C# to send JSON to a PHP-Script, like this: string json = "{"; json += "\"prop\":\"some text\""; json += "}"; PostSubmitter post = new PostSubmitter(); post.Url = "http://localhost/synch/notein.php"; post.Type = PostSubmitter.PostTypeEnum.Post; post.PostItems.Add("note", json); post.Post(); Of course I'll have to escape the inner quotes, but they get sended to the script! To make things worse: There is text, which already has quotation marks, so those must be escaped to be valid JSON. In this case I want the backslashes to be transmitted. Any idea to accomplish this?

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  • JSON to Persistent Data Store (CoreData, etc.)

    - by Bryan Veloso
    All of the data on my application is pulled through an API via JSON. The nature of a good percentage of this data is that it doesn't change very often. So to go and make JSON requests to get a list of data that doesn't change much didn't seem all that appealing. I'm looking for the most sensible option to have this JSON saved onto the iPhone in some sort of persistent data store. Obviously one plus of persisting the data would be to provide it when the phone can't access the API. I've looked at a few examples of having JSON and CoreData interact, for example, but it seems that they only describe transforming NSManagedObjects into JSON. If I can transform JSON into CoreData, my only problem would be being able to change that data when the data from the API does change. (Or, maybe this is all just silly.)

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