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  • audio processing using java

    - by Sukhhhh
    We have a requirement where we need to convert from .wav file to .mp3 and we are currently using "Tritonus" library to do that . The concern with that library is that requires "installation" of some "dll" files to the class path. I am wondering are there any API's those allow better processing without local installation. And other question is ,having mp3 format files will make it easier to join the files into a single file than having .wav files ?

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  • SHBrowseForFolder, But With Textbox to Navigate

    - by Emtucifor
    I found all the code I need to make SHBrowseForFolder work in my application. But I hate that it forces you to do everything in the little folder window, without a text box to navigate by typing. In Windows, I know I commonly see a different folder browse dialog that does let me type folder names and use the other regular navigation keys to get around to select the desired folder (backspace, "..", Enter, and so on). Is there a different API call for that?

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  • Easiest way to implement RSS reader on Google Android?

    - by user291888
    Hi guys, This is my first time on stack overflow, so I apologize if this question has been asked before, but is there an easy way to implement an RSS reader on the Google Android (API 1.5)? I'm searched far and wide with the code sources I know of, and I've only found one implementation which takes 6 different classes and doesn't seem to compile on the current Android SDK's. If I end up having to write my own, I'll be sure to post it here later on. Thanks a lot.

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  • How to calculate the length of a Path2D in Java?

    - by Sanoj
    I have some paths represented by Path2D. The Path consist of multiple CubicCurve2D or Line2D segments that are connected to each other. I would like to calculate or get the length from the start to the end of a Path. How can I calculate it or get it? Is it possible? I have checked the API documentation, but couldn't find any useful methods.

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  • What's the best Street Address Search service?

    - by Gary Russo
    I'm impressed with the simplicity of Microsoft's Virtual Earth Street Address search service. My requirement is to type rough address info with no comma separators into a simple text box, press a find button, wait a few seconds and then observe a result picklist. I mocked up something here using the virtual earth SDK. Does Google Maps have a similar API? Which street address search service is better?

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  • Mapstraction: Changing an Icon's image URL after it has been added?

    - by Paul Owens
    I am trying to use marker.setIcon() to change a markers image. However it appears that although this changes the marker.iconUrl attribute the icon itself is using marker.proprietary_marker.$.icon.image to display the markers image - so the markers icon remains unchanged. Is there a way to dynamically change the marker.proprietary_marker.$.icon.image? Add a marker. Check the icon's image url and the proprietary icon's image - they're the same. Change the icon. Again check the Urls. Now the Icon Url has changed but the marker still shows the old image which is in the proprietary marker object. <head> <title>Map Test</title> <script src="http://maps.google.com/maps?file=api&v=2&key=Your-Google-API-Key" type="text/javascript"></script> <script src="mapstraction.js"></script> <script type="text/javascript"> var map; var marker; function getMap(){ map = new mxn.Mapstraction('myMap','google'); map.setCenterAndZoom(new mxn.LatLonPoint(45.559242,-122.636467), 15); } function addMarker(){ marker = new mxn.Marker(new mxn.LatLonPoint(45.559242, -122.636467)); marker.addData({infoBubble : "Text", label : "Label", marker : 4, icon: "http://mapscripting.com/examples/mashups/richter-high.png"}); map.addMarker(marker); } function changeIcon(){ marker.setIcon("http://assets1.mapufacture.com/images/markers/usgs_marker.png"); } function showIconURL(){ alert(marker.iconUrl); } function showProprietaryIconURL(){ alert(marker.proprietary_marker.$.icon.image); } </script> </head> <body onload="getMap()"> <div id="myMap" style="width:627px; height:412px;"></div> <div> <input type="button" value="add marker" OnClick="addMarker();"> <input type="button" value="change icon" OnClick="changeIcon();"> <input type="button" value="show icon URL" OnClick="showIconURL();"> <input type="button" value="show proprierty icon URL " OnClick="showProprietaryIconURL();"> </div> </body> </html>

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  • Any other kinds of "Task Queue" APIs ?

    - by sork
    I'm curious if it's common practice outside of the GAE platform to be able to defer tasks to background workers via webhooks. I find it particularly useful to speed up the front-end of webapps, by delegating any long process to background tasks. I'd like to hear about open source software allowing to implement a TaskQueue-like API, with webhooks preferably, if anyone has some experience in this area. Thanks!

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  • Linq Left Outer Join

    - by Neil
    I am new to LINQ and am trying to convert a SQL query to LINQ: SQL: left outer join PRODUCT_BEST_USE pbu on pbu.PRODUCT_GUID = @uProductId and pbu.BEST_USE_GUID = bu.BEST_USE_GUID LINQ: from PBU in PRODUCT_BEST_USE.Where(PBU=>PBU.PRODUCT_GUID == p.PRODUCT_GUID).DefaultIfEmpty() When I add and PBU.BEST_USE_GUID equals BU.BEST_USE_GUID, I get an error: "A query body must end with a select clause or a group clause" Here is the full Linq query: from p in PRODUCT join BU in BEST_USE on p.CATEGORY_GUID equals BU.CATEGORY_GUID from PBU in PRODUCT_BEST_USE.Where(PBU=>PBU.PRODUCT_GUID == p.PRODUCT_GUID).DefaultIfEmpty() and PBU.BEST_USE_GUID equals BU.BEST_USE_GUID where p.PRODUCT_GUID == new Guid("d317752b-581d-4f43-92fa-4a4af91009f5") select new { BU.NAME, PBU.PRODUCT_BEST_USE_GUID }

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  • jQuery.getScript: data variable in callback undefined

    - by Hannes
    I'm trying to load an external JavaScript using jQuery's getScript(), like this: $.getScript("http://api.recaptcha.net/js/recaptcha_ajax.js", function(data) { window.alert(data); }); but as the alert window shows, the data variable in the callback function is undefined, unlike promised in http://docs.jquery.com/Ajax/jQuery.getScript#urlcallback. Anyone know why this might be? Thanks.

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  • Any great books of algorithm puzzles to practice whiteboard coding with?

    - by jboxer
    I'm looking to get some practice coding solutions to algorithm puzzles on a whiteboard. A friend is going to read puzzles to me (as if he were interviewing me), and I'll solve them on a whiteboard. Does anyone know any great books with algorithm puzzles that would be useful for this? I found a book called Puzzles for Programmers and Pros, but it only has six reviews on Amazon, so I'm not sure how good it really is. If anyone has any recommendations, I'd really appreciate it. Thanks a bunch.

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  • User permission to make a call

    - by Denis Petau
    There might have been a restriction on originating (making) calls (voice or data) from mobile phones without an explicit user permission i.e. a window would pop-up, asking the user to press 'Yes'/approve or 'No'/cancel for a call attempt made by a software application on that cellphone/mobile. There seems though to exist API for making calls, voice calls and data calls, on various embedded OS like WM, Symbian and Android. Do they require a user button-press then?

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  • Create signed urls for CloudFront with Ruby

    - by wiseleyb
    History: I created a key and pem file on Amazon. I created a private bucket I created a public distribution and used origin id to connect to the private bucket: works I created a private distribution and connected it the same as #3 - now I get access denied: expected I'm having a really hard time generating a url that will work. I've been trying to follow the directions described here: http://docs.amazonwebservices.com/AmazonCloudFront/latest/DeveloperGuide/index.html?PrivateContent.html This is what I've got so far... doesn't work though - still getting access denied: def url_safe(s) s.gsub('+','-').gsub('=','_').gsub('/','~').gsub(/\n/,'').gsub(' ','') end def policy_for_resource(resource, expires = Time.now + 1.hour) %({"Statement":[{"Resource":"#{resource}","Condition":{"DateLessThan":{"AWS:EpochTime":#{expires.to_i}}}}]}) end def signature_for_resource(resource, key_id, private_key_file_name, expires = Time.now + 1.hour) policy = url_safe(policy_for_resource(resource, expires)) key = OpenSSL::PKey::RSA.new(File.readlines(private_key_file_name).join("")) url_safe(Base64.encode64(key.sign(OpenSSL::Digest::SHA1.new, (policy)))) end def expiring_url_for_private_resource(resource, key_id, private_key_file_name, expires = Time.now + 1.hour) sig = signature_for_resource(resource, key_id, private_key_file_name, expires) "#{resource}?Expires=#{expires.to_i}&Signature=#{sig}&Key-Pair-Id=#{key_id}" end resource = "http://d27ss180g8tp83.cloudfront.net/iwantu.jpeg" key_id = "APKAIS6OBYQ253QOURZA" pk_file = "doc/pk-APKAIS6OBYQ253QOURZA.pem" puts expiring_url_for_private_resource(resource, key_id, pk_file) Can anyone tell me what I'm doing wrong here?

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  • Threads or background processes in Google App Engine (GAE)

    - by fmsf
    Hey, I'm running a post, and need the request to be replied fast. So I wanted to put a worker running some operations in background and reply the request imidiatly. The worker is always finite in operations and executes in [0;1] second How can I do this? Is there any module that suports this in the google app engine api? Edit: In python

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  • MVVM/WPF: Using a ObservableCollection<T> as a list in a domain model, is that good/bad ?

    - by msfanboy
    I have aggregated models like Customer:Order:Product. As my View is bound to the BillingViewModel which has a Property Customers of type ObservableCollection and ONE customer in this collection has a "list" of orders named ObservableCollection and ONE order in this collection has a "list" of products named ObservableCollection Well I need the ObservableCollection`s for databinding but should a domain model really have a ObservableCollection ? normally it has a List or IEnumerable ! Is this bad habit or having side effects?

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