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  • Essential Dojo

    - by Carl Manaster
    I'm starting to use Dojo; this is (essentially) my introduction to AJAX. We have a Java backend (torque / turbine / velocity) and are using the jabsorb JSON-RPC library to bridge Java and Javascript. What do I need to know? What is the big picture of Dojo and JSON, and what are the nasty little details that will catch me up? What did you spend a couple of days tracking down, when you started with Dojo, that you now take for granted? Thanks for any and all tips.

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  • Create dynamic view with android

    - by ekevin
    Hi I'm stuck on a problem and if possible I will need help from the community. I'm not looking for a ready-made solution, but something which would help me to produce the result. I'm looking for a way to produce a dynamic activity based on a JSON object. Here an example of a JSON object: [ { "name": "my checkbox name", "type": "checkbox", "value": "one,two,three" } { "name": "my edit text", "type": "text", "value": "" } ...] This JSONObject could be totally random. I could have 2 text views, 3 select menus, 1 text view and so on. The goal is to iterate over this JSONObject and create the appropriate elements within my android code. To produce the result I've thought of a simple switch which would render one by one my different JSONObject to an android widget. But after that how could I have access of every property of every widget rendered? Thank you.

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  • Playback audio data with GWT

    - by Henrik
    I am creating a GWT client application which interacts with a server and I am getting all my response data from the server in JSON format. Amongst others there are wave data on the server's database which I would like to retrieve and then playback on the client. I am able to get the wave data as an array of bytes in the JSON format. My problem is, how do I playback the wave array data in a browser? Is it even possible or do I have to find another solution? I've searched the web and found some GWT packages which are able to playback sound, but they are all playing back directly from an url.

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  • Regarding Creating Business application using Silverlight

    - by vijay
    Hi, We are in the conceptual phase to create a relatively medium size enterprise business product application using Silver light 4.0, Entity Framework and WCF. 1. Is it adivceable to use Silverlight 4.0 for this enterprise business application development or should we go in for MVC.NET / ASP.NET? 2. We have planned to use REST based WCF service. How complex would it be to write the information back to the REST WCF service? I appreciate and welcome your advice / suggestion. If you need any further details do let me know, i will be happy to share. Thanks in advance.

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  • Getting Database Data to the client side.

    - by Toby Allen
    I'm sure this has been asked a million times, but what is the accepted approach to this? I have been writing php code for a while and up until recently I only copied+pasted javascript code, but now with help from YUI I've begun to understand javascript and want to use it more in an existing web app I have. I want to get various amounts of data from databases etc to the clientside javascript. I have access to this data in my php pages when loading. What is the correct way to get this data to my client side script. Generate clientside javascript in my php or smarty template files inserting the data where I need it? Use an Ajax call to retrieve the information I need from a php file - returning JSON data? Generate a JSON data construct of the data needed by the page and either return it via a script inclusion or dumping it to the generated page? Something really obvious I haven't thought of.

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  • JSON datetime to SQL Server database via WCF

    - by moikey
    I have noticed a problem over the past couple of days where my dates submitted to an sql server database are wrong. I have a webpage, where users can book facilities. This webpage takes a name, a date, a start time and an end time(BookingID is required for transactions but generated by database), which I format as a JSON string as follows: {"BookingEnd":"\/Date(2012-26-03 09:00:00.000)\/","BookingID":1,"BookingName":"client test 1","BookingStart":"\/Date(2012-26-03 10:00:00.000)\/","RoomID":4} This is then passed to a WCF service, which handles the database insert as follows: [WebInvoke(Method = "POST", RequestFormat = WebMessageFormat.Json, UriTemplate = "createbooking")] void CreateBooking(Booking booking); [DataContract] public class Booking { [DataMember] public int BookingID { get; set; } [DataMember] public string BookingName { get; set; } [DataMember] public DateTime BookingStart { get; set; } [DataMember] public DateTime BookingEnd { get; set; } [DataMember] public int RoomID { get; set; } } Booking.svc public void CreateBooking(Booking booking) { BookingEntity bookingEntity = new BookingEntity() { BookingName = booking.BookingName, BookingStart = booking.BookingStart, BookingEnd = booking.BookingEnd, RoomID = booking.RoomID }; BookingsModel model = new BookingsModel(); model.CreateBooking(bookingEntity); } Booking Model: public void CreateBooking(BookingEntity booking) { using (var conn = new SqlConnection("Data Source=cpm;Initial Catalog=BookingDB;Integrated Security=True")) using (var cmd = conn.CreateCommand()) { conn.Open(); cmd.CommandText = @"IF NOT EXISTS ( SELECT * FROM Bookings WHERE BookingStart = @BookingStart AND BookingEnd = @BookingEnd AND RoomID= @RoomID ) INSERT INTO Bookings ( BookingName, BookingStart, BookingEnd, RoomID ) VALUES ( @BookingName, @BookingStart, @BookingEnd, @RoomID )"; cmd.Parameters.AddWithValue("@BookingName", booking.BookingName); cmd.Parameters.AddWithValue("@BookingStart", booking.BookingStart); cmd.Parameters.AddWithValue("@BookingEnd", booking.BookingEnd); cmd.Parameters.AddWithValue("@RoomID", booking.RoomID); cmd.ExecuteNonQuery(); conn.Close(); } } This updates the database but the time ends up "1970-01-01 00:00:02.013" each time I submit the date in the above json format. However, when I do a query in SQL server management studio with the above date format ("YYYY-MM-DD HH:MM:SS.mmm"), it inserts the correct values. Also, if I submit a millisecond datetime to the wcf, the correct date is being inserted. The problem seems to be with the format I am submitting. I am a little lost with this problem. I don't really see why it is doing this. Any help would be greatly appreciated. Thanks.

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  • getjson alternative method for variable

    - by Florian Stanek
    I made a script which gets the data from a json file and parse it. It worked on a webserver. But now I have to find a solution to get it work on a local file (file:///C:/xampp/htdocs/script/index.html) instead on a server. It only works in FF: $.getJSON('data2.json', function(data) { $.each(data.selection_form.entities, function(i,name){ ...do something }); }); Any ideas? A local webserver is not a solution.

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  • Special character in "entrée" cannot be displayed correctly if defined in a separate javascript file

    - by Jazure
    Example: The following string is defined in a json.js file. var test = "One complimentary entrée with the purchase of an entrée."; It is included in an index.html file by <script type="text/JavaScript" src="./json.js"></script> When the string is displayed in UI, it shows up as "One complimentary entr?e with the purchase of an entr?e." But if string is defined directly in the index.html, then it is not a problem. Can anyone suggest a solution on how to keep the text in the separate .js file?

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  • jsonp callback error and parserror

    - by Fatima Zahrae Abbadi
    im devlopping web app with javascript/html5 client side and im using web service rest in the server i want to get json data from the server and i have problem of cross domain and i use JSONP the problme that i had the callback was not called this is the code of REST @GET @Path("agenda") @Produces({MediaType.APPLICATION_JSON}) public List<AgendaChambre> getAgenda() { ArrayList<AgendaChambre>list=new ArrayList<>(); return agenda.findAll(); } and function getdata(){ $.ajax({ type: "GET", dataType:"jsonp", crossDomain: true, url: "http://localhost:8080/wsccm/res/ws/agenda?jsoncallback=?", data: {name: "George Koch"}, jsonpCallback: 'successCallback', success: function(data1) { getdata=JSON.stringify(data1); alert("bieeeeeeeeeeeeeeeeen"); console.log("response:" + getdata); }, error: function(jqXHR, textStatus, errorThrown) { alert('error'+errorThrown); console.log(jqXHR); } });

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  • How can I use jQuery for messing with a particular div, but not in the current document - in a varia

    - by bisaram
    How can I use jQuery for messing with a particular div, but not in the current document - in a variable, that contains HTML? The point is that I want to show a preview of a page (a piece of it's content) in a modal window, when the link to this page is clicked. Well, onClick I load this whole HTML into a variable via JSON and then... how would I find a particular div I need in it? It's gonna be almost impossible to parse it with PHP before converting it into JSON and giving back to jQuery processor because of a deep hierarchy. Basically, is it even possible to do smth like $( 'div#some-id' ).blabla(); not for the current document, but for the document, stored in a variable? Thx everyone in advance.

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  • Empty Post with JQuery Ajax Post

    - by chandru
    Hi, I am getting a some unusual problem with JQuery ajax. I am using IIS to host my web application and I have http handler for which I have enabled only POST verb on it. Using JQuery ajax, I am posting data to this http handler, this is working fine in our development and testing environment and also most of the time on production environment as well. But sometimes we are getting empty post data on to the server. When we look into the csBytes on IISLog we found that it was very less compare to other success post requests. We are using JSON.js to convert the javascript object back to raw json string and latest jquery.1-3.js for posting to server. Anbody know why this is happening?

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  • Is there an existing tool for jsonp like fetching of xml in jquery?

    - by BearCode
    Hi, For a web service I'm developing I would like my embedded code (on the client's site) to fetch an xml file from my sever script which resides on my domain. As this is a cross-domain request I figured to use jsonp as it seems the de facto standard for such apis. However, for my application it would be easier for me to use xml instead of json. Now, I could of course convert my xml to json on the server and then back again to xml in the client's site javascript, but that seems unnecessarily cumbersome. What I really need is and xmlp solution, xml with padding. I tired googling but couldn't find a jquery plug-in that does that. Anyone knows a simple solution?

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  • POST request is returning response success but is not posting the data

    - by Vineeth
    I am making a POST request to the MOXTRA API and it should return me the following response : { "data": { "id": user_id, //some user id "revision": 5, "name": "My First Binder", "created_time": 1402384947587, "updated_time": 1402384947587 }, "code": "RESPONSE_SUCCESS" } And I am making this POST request using Java Script var d = { 'name': 'My First Binder' }; var bind = JSON.stringify(d); $.post('https://api.moxtra.com/user_id/binders?access_token=' + access_token+ '&callback=?', bind, function(response) { alert( response.data.id); },'json'); }) But the alert that i get for alert(response.data.id) is "undefined" and the alert if i write alert(response.code) is "RESPONSE_SUCCESS" What is wrong with the above code , how am i getting a response success and getting undefined at the same time

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  • render json data returned from mvc controller

    - by user1765862
    I'm having js function which calls mvc controller action method which return list of data as json. function FillCountryCities(countryId) { $.ajax({ type: 'GET', url: '/User/FillCityCombo', data: { countryId: countryId }, contentType: 'application/json', success: function (data) { alert(data[0].Name); } error: function () { alert('something bad happened'); } .... format of data which sent back from controller is Name (string) and Id (Guid) Now I just want to alert Name on success first item from collection. Double checked controller sends 20 records, so it should alert first from collection but I'm getting error something bad happened update: public JsonResult FillCityCombo(Guid countryId) { var cities = repository.GetData() .Where(x = x.Country.Id == countryId).ToList(); if (Request.IsAjaxRequest()) { return new JsonResult { Data = cities, JsonRequestBehavior = JsonRequestBehavior.AllowGet }; } else { return new JsonResult { Data = "Not Valid Request", JsonRequestBehavior = JsonRequestBehavior.AllowGet }; } }

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  • How to write php code to input jsonstring and insert to sql server

    - by Romi
    i am trying to OUTPUT a Json String from the phone and to get it uploaded to the sql server i have. I Do not know how to get the output Json and write the php code... i tried many methods but couldnt find a solution. public void post(String string) { HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost( "http://www.hopscriber.com/xoxoxox/testphp.php"); try { List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); nameValuePairs.add(new BasicNameValuePair("myJson", string)); httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); HttpResponse response = httpclient.execute(httppost); String str = inputStreamToString(response.getEntity().getContent()) .toString(); Log.w("SENCIDE", str); } catch (Exception e) { Toast.makeText(getBaseContext(), "notwork", Toast.LENGTH_LONG) .show(); } } private Object inputStreamToString(InputStream is) { // TODO Auto-generated method stub String line = ""; StringBuilder total = new StringBuilder(); // Wrap a BufferedReader around the InputStream BufferedReader rd = new BufferedReader(new InputStreamReader(is)); // Read response until the end try { while ((line = rd.readLine()) != null) { total.append(line); } } catch (IOException e) { e.printStackTrace(); } // Return full string return total; } it outputs a json string as [myJson=[{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"org.siislab.tutorial.permission.READ_FRIENDS","level":"Normal"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"org.siislab.tutorial.permission.WRITE_FRIENDS","level":"Normal"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"org.siislab.tutorial.permission.FRIEND_SERVICE","level":"Normal"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"org.siislab.tutorial.permission.FRIEND_NEAR","level":"Dangerous"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"org.siislab.tutorial.permission.BROADCAST_FRIEND_NEAR","level":"Normal"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"android.permission.RECEIVE_BOOT_COMPLETED","level":"Normal"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"android.permission.READ_CONTACTS","level":"Dangerous"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"android.permission.ACCESS_FINE_LOCATION","level":"Dangerous"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"android.permission.WRITE_EXTERNAL_STORAGE","level":"Dangerous"},{"name":"FriendTracker","user":"amjgp000000000000000","pack":"org.siislab.tutorial.friendtracker","perm":"android.permission.READ_PHONE_STATE","level":"Dangerous"},{"name":"Tesing","user":"amjgp000000000000000","pack":"com.example.tesing","perm":"null","level":"null"},{"name":"Action Bar","user":"amjgp000000000000000","pack":"name.brucephillips.actionbarexample","perm":"null","level":"null"},.......

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  • What is XML good for and when should i be using it?

    - by Haroldo
    I'm curious, I've been developing pretty powerful websites/web apps, and I've never learnt XML, even odder I've never really felt the need to. It's not like Curl or Prepared Statements where before knowing what they did and how they worked I had a feeling 'there's got to be an easier way to do this!' or 'there's got to be something designed for this!'. Currently I work with MySQL and JSON and I don't have this feeling of 'I need to learn that' (XML), this must be wrong! I'm really interested to hear some compelling arguments for XML, and learn about things which it can do beter than JSON or MySQL (or some other aspect of web dev) and when i should be using it!

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  • Can't get jQuery ajax work

    - by yozloy
    I'm new to jQuery, and it really cool, but I can't get the basic ajax work, there's no error in the console ,so I don't know where goes wrong: getJSON function version: $(document).ready(function(){ $.getJSON('http://pollview:8888/js/example.json', function(data){ for(var element in data){ console.log(data[element]); } }); }); then the basic ajax version: $(document).ready(function(){ $.ajax({ url: 'http://pollview:8888/js/example.json' }).done(function(data){ alert('successful'); }); }); I get me stuck, any idea?

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  • Comments syntax for Idoc Script

    - by kyle.hatlestad
    Maybe this is widely known and I'm late to the party, but I just ran across the syntax for making comments in Idoc Script. It's been something I've been hoping to see for a long time. And it looks like it quietly snuck into the 10gR3 release. So for comments in Idoc Script, you simply [[% surround your comments in these symbols. %]] They can be on the same line or span multiple lines. If you look in the documentation, it still mentions making comments using the syntax. Well, that's certainly not an ideal approach. You're stuffing your comment into an actual variable, it's taking up memory, and you have to watch double-quotes in your comment. A perhaps better way in the old method is to start with my comments . Still not great, but now you're not assigning something to a variable and worrying about quotes. Unfortunately, this syntax only works in places that use the Idoc format. It can't be used in Idoc files that get indexed (.hcsp & .hcsf) and use the <!--$...--> format. For those, you'll need to continue using the older methods. While on the topic, I thought I would highlight a great plug-in to Notepad++ that Arnoud Koot here at Oracle wrote for Idoc Script. It does script highlighting as well as type-ahead/auto-completion for common variables, functions, and services. For some reason, I can never seem to remember if it's DOC_INFO_LATESTRELEASE or DOC_INFO_LATEST_RELEASE, so this certainly comes in handy. I've updated his plug-in to use this new comments syntax. You can download a copy of the plug-in here which includes installation instructions.

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  • Silverlight TV with Myself, John Papa, Shawn Wildermuth and Ward Bell

    - by dwahlin
    I had the chance to go on a live episode of Channel 9 while at DevConnections and had a lot of fun chatting about various Silverlight topics and answering some fairly unique questions posted on Twitter.  Here’s more info on the episode from John Papa’s blog: John interviews a panel of 3 well known Silverlight leaders including Shawn Wildermuth, Dan Wahlin, and Ward Bell at the Silverlight 4 launch event. The guest panel answers questions sent in from Twitter about the features in Silverlight 4, thoughts on MVVM, and the panel members' experiences developing Silverlight. This is a great chance to hear from some of the leading Silverlight minds. These guys are all experts at building business applications with Silverlight. Relevant links: John's Blog and on Twitter (@john_papa) Shawn's Blog and on Twitter (@shawnwildermuth) Dan's Blog and on Twitter (@danwahlin) Ward's Blog and on Twitter (@wardbell) Silverlight Training Course on Channel 9 Follow us on Twitter @SilverlightTV or on the web at http://silverlight.tv You can see the episode online by clicking the image below:

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  • Database Trends & Applications column: Database Benchmarking from A to Z

    - by KKline
    Have you heard of the monthly print and web magazine Database Trends & Applications (DBTA)? Did you know I'm the regular columnist covering SQL Server ? For the past six months, I've been writing a series of articles about database benchmarking culminating in the latest article discussing my three favorite database benchmarking tools: the free, open-source HammerDB, the native SQL Server Distributed Replay Utility, and the commercial Benchmark Factory from Dell / Quest Software. Wondering what...(read more)

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  • SO-Aware at the Atlanta Connected Systems User Group

    - by gsusx
    Today my colleague Don Demsak will be presenting a session about WCF management, testing and governance using SO-Aware and the SO-Aware Test Workbench at the Connected Systems User Group in Atlanta . Don is a very engaging speaker and has prepared some very cool demos based on lessons of real world WCF solutions. If you are in the ATL area and interested in WCF, AppFabric, BizTalk you should definitely swing by Don’s session . Don’t forget to heckle him a bit (you can blame it for it ;) )...(read more)

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  • Why do enterprise app programmers get higher salaries than web programmers

    - by jpartogi
    I am an enterprise app programmer, mainly using Java, but now I want to move into web programming and build websites that are visited by millions of users. But what is surprising to me is that the salary level is so much different. A Java programmer seems to get a higher salary than a web programmer. Why is this so? Is it perceived that Java/enterprise applications are more difficult, thus the programmers get a higher salary?

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  • Thread Synchronization and Synchronization Primitives

    When considering synchronization in an application, the decision truly depends on what the application and its worker threads are going to do. I would use synchronization if two or more threads could possibly manipulate the same instance of an object at the same time. An example of this in C# can be demonstrated through the use of storing data in a static object. A static object is initialized once per application and the data within the object can be accessed by all threads. I would use the synchronization primitives to prevent any data from being manipulated by multiple threads simultaneously. This would reduce any data corruption from occurring within the object. On the other hand if all the threads used non static objects and were independent of the other tasks there would be no need to use synchronization. Synchronization Primitives in C#: Basic Blocking Locking Signaling Non-Blocking Synchronization Constructs The Basic Blocking methods include Sleep, Join, and Task.Wait.  These methods force threads to wait until other threads have completed. In addition, these methods can also force a thread to wait a set amount of time before continuing to work.   The Locking primitive prevents a thread from entering a critical section of code while another thread is in the same critical section.  If another thread attempts to enter a locked code, it will wait, until the code block is released. The Signaling primitive allows a thread to temporarily pause work until receiving a notification from another thread that it is ok to continue working. The Signaling primitive removes the need for polling.The Non-Blocking Synchronization Constructs protect access to a common field by calling upon processor primitives.

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