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  • Obtain information from Facebook public profiles through Facebook API

    - by lurks
    I've started a little project about marketing research over social networks. Basically we need to gather information from public profiles and conduct some statistical analysis over this data. I want to know if the Facebook API lets you query information from the public profiles without them having to authorize your app. Is this feasible? Is this legal? Any useful link?

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  • Disk Search / Sort Algorithm

    - by AlgoMan
    Given a Range of numbers say 1 to 10,000, Input is in random order. Constraint: At any point only 1000 numbers can be loaded to memory. Assumption: Assuming unique numbers. I propose the following efficient , "When-Required-sort Algorithm". We write the numbers into files which are designated to hold particular range of numbers. For example, File1 will have 0 - 999 , File2 will have 1000 - 1999 and so on in random order. If a particular number which is say "2535" is being searched for then we know that the number is in the file3 (Binary search over range to find the file). Then file3 is loaded to memory and sorted using say Quick sort (which is optimized to add insertion sort when the array size is small ) and then we search the number in this sorted array using Binary search. And when search is done we write back the sorted file. So in long run all the numbers will be sorted. Please comment on this proposal.

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  • java: Read text file and store the info in an array using scanner class

    - by Amateur
    Hi, I have a text file include Student Grades like Kim $ 40 $ 45 Jack $ 35 $ 40 I'm trying to read this data from the text file and store the information into an array list using Scanner Class could any one guied me to write the code correctly ? Here is what I have so far public class ReadStudentsGrade { public static void main(String[] args) throws IOException { ArrayList stuRec = new ArrayList(); File file = new File("c:\\StudentGrade.txt"); try { Scanner scanner = new Scanner(file).useDelimiter("$"); while (scanner.hasNextLine()) { String stuName = scanner.nextLine(); int midTirmGrade = scanner.nextInt(); int finalGrade = scanner.nextInt(); System.out.println(stuName + " " + midTirmGrade + " " + finalGrade); } } catch (FileNotFoundException e) { e.printStackTrace(); } }

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  • Adobe AIR App install Error #2032

    - by fmz
    I created an Adobe AIR application using html, css and Javascript. The application works fine, but now that I have built the installer I get the following error: Sorry, an error has occurred. The application could not be installed. Try installing it again. If the problem persists, contact the application author. Error# 2032 I am the application author... The link to the installer: http://www.bendelcorp.com/tools/default%5Fbadge.html The Flash Vars code: 'flashvars','appname=Bendel-Tools&appurl=http://www.bendelcorp.com/tools/Bendel-Tools.air&airversion=1.5&imageurl=icon2.png', 'movie','badge' ); I would appreciate any assistance for resolving this. Thanks.

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  • Solving Diophantine Equations Using Python

    - by HARSHITH
    In mathematics, a Diophantine equation (named for Diophantus of Alexandria, a third century Greek mathematician) is a polynomial equation where the variables can only take on integer values. Although you may not realize it, you have seen Diophantine equations before: one of the most famous Diophantine equations is: We are not certain that McDonald's knows about Diophantine equations (actually we doubt that they do), but they use them! McDonald's sells Chicken McNuggets in packages of 6, 9 or 20 McNuggets. Thus, it is possible, for example, to buy exactly 15 McNuggets (with one package of 6 and a second package of 9), but it is not possible to buy exactly 16 nuggets, since no non- negative integer combination of 6's, 9's and 20's adds up to 16. To determine if it is possible to buy exactly n McNuggets, one has to solve a Diophantine equation: find non-negative integer values of a, b, and c, such that 6a + 9b + 20c = n. Write an iterative program that finds the largest number of McNuggets that cannot be bought in exact quantity. Your program should print the answer in the following format (where the correct number is provided in place of n): "Largest number of McNuggets that cannot be bought in exact quantity: n"

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  • ESB Toolkit.exceptionHandling Error - The application does not exist - Any ideas?

    - by Andrew Cripps
    Hello I am getting following error while attempting to run the Management Portal for ESB Toolkit 2.0: Event Type: Warning Event Source: ENTSSO Event Category: Enterprise Single Sign-On Event ID: 10536 Description: SSO AUDIT Function: GetConfigInfo (SSOProperties) Application Name: ESB Toolkit.exceptionHandling Error Code: 0xC0002A04, The application does not exist I am using SSO config store for the ESB Config. However, looking in the esb.config file, there is no section, like there is for the other esb SSO applications. Why might this section (and therefore the SSO app) be missing? How can I set it up? Thanks for any help with this Andrew

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  • ASP.NET MVC: Render checkbox list from MultiSelectList

    - by aximili
    How do you associate a MultiSelectList with a list of checkboxes? eg. I pass something like this to the model model.Groups = new MultiSelectList(k.Groups, "Id", "Name", selectedGroups) How should I render it? This doesn't work <% foreach (var item in Model.Groups.Items) { %> <input type="checkbox" name="groups" value="<%=item.Value%>" id="group<%=item.Value%>" checked="<%=item.Selected?"yes":"no"%>" /> <label for="group<%=item.Value%>"><%=item.Text%></label> <% } %> Error CS1061: 'object' does not contain a definition for 'Value'... Is there a HTML Helper method that I can use? (Then, unless it is straightforward, how should I then get the selected values back on the Controller when the form is submitted?)

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  • TypeError: Error #1007: Instantiation attempted on a non-constructor. on port to Flex 4

    - by Josh Handel
    I have been porting an app from Flex 3.4.x to 4.0.. I have successfully ported the app and its libraries to flex 4.0, I've also removed ALL the references to http://www.adobe.com/2006/flex/mx in any of my mxml files... In short I "think" I have moved everything over to the new mx framework (2009).. But I still get the following error (which never happend in 3.4 or 3.5 with this same app) when I try to run my flex app. TypeError: Error #1007: Instantiation attempted on a non-constructor. at mx.preloaders::Preloader/initialize()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\preloaders\Preloader.as:253] at mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::initialize()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\SystemManager.as:1925] at mx.managers::SystemManager/initHandler()[E:\dev\4.0.0\frameworks\projects\framework\src\mx\managers\SystemManager.as:2419] At this point I am completely stumped.. anyone have any ideas? Thanks

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  • Writing Crawler for Screen Scrapping

    - by Muhammad Akhtar
    I want to write crawler for screen scrapping What I want is, I want to get price of particular hotel from a website, like here is website e.g. In the above URL, there is list of hotels and its price. I want to get the price of the beaufort Please Advise how to accomplish this. Thanks

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  • Custom UIToolBar from Images

    - by Sophtware
    I need to create a UIToolbar object that uses an image for the background. Most of the buttons are images as well, and rectangular. One button, however, is round and overlaps the toolbar like the Start button on the Windows task bar. See below. I know that I will need to subclass the UIToolbar to paint the image for the toolbar -- I think. If so, does anyone have example code showing how to do this? Furthermore, does anyone have any ideas on how to implement the larger round button? I'm thinking of another custom subclass for this, but not sure if there might be an easier way. I can have the art guys chop the image anyway needed, which I'm sure the round button will need to be chopped some how. Any ideas or sample code?

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  • setTextFilterEnabled() method problem in android. how???

    - by androidbase Praveen
    i have extended the list activity class and have custom adapter for the list view. i want to set the textfilter for that list view. if i code getListView().setTextFilterEnabled(true); but i have three rows in my listview. i have to listen the first row of each list item. how to do that? any Idea? the documentation tells use Filterable interface. tell me how to implement the text filter for the first row.????

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  • python unhashable type - posting xml data

    - by eterry28
    First, I'm not a python programmer. I'm an old C dog that's learned new Java and PHP tricks, but python looks like a pretty cool language. I'm getting an error that I can't quite follow. The error follows the code below. import httplib, urllib url = "pdb-services-beta.nipr.com" xml = '<?xml version="1.0"?><!DOCTYPE SCB_Request SYSTEM "http://www.nipr.com/html/SCB_XML_Request.dtd"><SCB_Request Request_Type="Create_Report"><SCB_Login_Data CustomerID="someuser" Passwd="somepass" /><SCB_Create_Report_Request Title=""><Producer_List><NIPR_Num_List_XML><NIPR_Num NIPR_Num="8980608" /><NIPR_Num NIPR_Num="7597855" /><NIPR_Num NIPR_Num="10166016" /></NIPR_Num_List_XML></Producer_List></SCB_Create_Report_Request></SCB_Request>' params = {} params['xmldata'] = xml headers = {} headers['Content-type'] = 'text/xml' headers['Accept'] = '*/*' headers['Content-Length'] = "%d" % len(xml) connection = httplib.HTTPSConnection(url) connection.set_debuglevel(1) connection.request("POST", "/pdb-xml-reports/scb_xmlclient.cgi", params, headers) response = connection.getresponse() print response.status, response.reason data = response.read() print data connection.close Here's the error: Traceback (most recent call last): File "C:\Python27\tutorial.py", line 14, in connection.request("POST", "/pdb-xml-reports/scb_xmlclient.cgi", params, headers) File "C:\Python27\lib\httplib.py", line 958, in request self._send_request(method, url, body, headers) File "C:\Python27\lib\httplib.py", line 992, in _send_request self.endheaders(body) File "C:\Python27\lib\httplib.py", line 954, in endheaders self._send_output(message_body) File "C:\Python27\lib\httplib.py", line 818, in _send_output self.send(message_body) File "C:\Python27\lib\httplib.py", line 790, in send self.sock.sendall(data) File "C:\Python27\lib\ssl.py", line 229, in sendall v = self.send(data[count:]) TypeError: unhashable type My log file says that the xmldata parameter is empty. Any ideas?

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  • Using Toad with 64bit Oracle Client and Windows 7 64bit Operating System

    - by Andy5
    After downloading the latest version of Toad for Windows 7 64bit, I am struggling to get it to connect to the database using the existing full Oracle Client that is already on the desktop. The Oracle Client that is there is a 64bit version and is version 12c. When running Toad it says that there is no Oracle Client installed. All of the environment variables have been set up to point to the Oracle Client I note from the attached link that when using Toad in a 64bit os that you have to use a 32bit client? Is this still the case? If not how do I get it to use the Oracle Client? I cannot use another version because of the application that is using it needs that version. http://www.quest.com/toad-development-suite-for-oracle/ Thanks

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  • How do you code against CSRF malicious requests?

    - by user355950
    how to Decline malicious requests.... Cross-Site Request Forgery Severity: Medium Test Type: Application Remediation Tasks: Decline malicious requests Reasoning: The same request was sent twice in different sessions and the same response was received. This shows that none of the parameters are dynamic (session identifiers are sent only in cookies) and therefore that the application is vulnerable to this issue.

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  • No attachable databases were found on the SQL Server

    - by George
    I'm fumbling my way through a basic installation of TFS 2010... I see that the TFS_Configuration and Tfs_DefaultCollection databases were successfully created on my local machine. The installation seemed to go smoothly, but it looks like I need to configure a Team Project Collect before I can start using it. Yet, the wizard seems unable to locate the appropriate database that I expected should have been created during the setup process. The server name defaulted properly to the name of the local machine. Did I miss a step somewhere?

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  • How to use SharpSVN in ASP.NET?

    - by Bryan
    Trying to use use SharpSVN in an ASP.NET app. So far, it's been nothing but trouble. First, I kept getting permission errors on "lock" files (that don't exist), even though NETWORK SERVICE has full permissions on the directories. Finally in frustration I just granted Everyone full control. Now I get a new error: OPTIONS of 'https://server/svn/repo': authorization failed: Could not authenticate to server: rejected Basic challenge (https://server) This happens whether I have the DefaultCredentials set below or not: using (SvnClient client = new SvnClient()) { //client.Authentication.DefaultCredentials = new System.Net.NetworkCredential("user", "password"); client.LoadConfiguration(@"C:\users\myuser\AppData\Roaming\Subversion"); SvnUpdateResult result; client.Update(workingdir, out result); } Any clues? I wish there was SOME documentation with this library, as it seems so useful.

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  • HTTP client - HTTP 405 error "Method not allowed". I send a HTTP Post but for some reason HTTP Get i

    - by Shino88
    Hey I am using apache library. I have created a class which sends a post request to a servlet. I have set up the parameters for the client and i have created a HTTP post object to be sent but for some reason when i excute the request i get a reposnse that says the get method is not supported(which is true cause i have only made a dopost method in my servlet). It seems that a get request is being sent but i dont know why. The post method worked before but i started gettng http error 417 "Expectation Failed" which i fixed by adding paramenters. below is my class with the post method. P.s i am developing for android. public class HTTPrequestHelper { private final ResponseHandler<String> responseHandler; private static final String CLASSTAG = HTTPrequestHelper.class.getSimpleName(); private static final DefaultHttpClient client; static{ HttpParams params = new BasicHttpParams(); params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1); params.setParameter(CoreProtocolPNames.HTTP_CONTENT_CHARSET, HTTP.UTF_8); ///params.setParameter(CoreProtocolPNames.USER_AGENT, "Android-x"); params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 15000); params.setParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK, false); SchemeRegistry schemeRegistry = new SchemeRegistry(); schemeRegistry.register( new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); schemeRegistry.register( new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); ThreadSafeClientConnManager cm = new ThreadSafeClientConnManager(params, schemeRegistry); client = new DefaultHttpClient(cm,params); } public HTTPrequestHelper(ResponseHandler<String> responseHandler) { this.responseHandler = responseHandler; } public void performrequest(String url, String para) { HttpPost post = new HttpPost(url); StringEntity parameters; try { parameters = new StringEntity(para); post.setEntity(parameters); } catch (UnsupportedEncodingException e) { // TODO Auto-generated catch block e.printStackTrace(); } BasicHttpResponse errorResponse = new BasicHttpResponse( new ProtocolVersion("HTTP_ERROR", 1, 1), 500, "ERROR"); try { client.execute(post, this.responseHandler); } catch (Exception e) { errorResponse.setReasonPhrase(e.getMessage()); try { this.responseHandler.handleResponse(errorResponse); } catch (Exception ex) { Log.e( "ouch", "!!! IOException " + ex.getMessage() ); } } } I tried added the allow header to the request but that did not work as well but im not sure if i was doing right. below is the code. client.addRequestInterceptor(new HttpRequestInterceptor() { @Override public void process(HttpRequest request, HttpContext context) throws HttpException, IOException { //request.addHeader("Allow", "POST"); } });

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  • Android RTSP - MediaPlayer init failure / PVMFFailure

    - by Nils
    Hello, I have a camera by Cisco and like to stream it's video stream to my android phone. It's coded in MPEG4 so there should be no problem, but it's not working anymore (it worked with another camera a few weeks ago). Any idea what I might try ? I don't know what's wrong here. I/ActivityManager( 79): Starting activity: Intent { cmp=com.Projekt1/.CameraView } I/System.out(18792): SDPURL - rtsp://10.42.0.103:554/live.sdp I/NotificationService( 79): enqueueToast pkg=com.Projekt1 callback=android.app.ITransientNotification$Stub$Proxy@44a22218 duration=0 D/MediaPlayer(18792): Couldn't open file on client side, trying server side I/ActivityManager( 79): Displayed activity com.Projekt1/.CameraView: 270 ms (total 270 ms) W/MediaPlayer(18792): info/warning (1, 26) I/MediaPlayer(18792): Info (1,26) E/PlayerDriver( 52): Command PLAYER_INIT completed with an error or info PVMFFailure E/MediaPlayer(18792): error (1, -1) E/MediaPlayer(18792): Error (1,-1) D/VideoView(18792): Error: 1,-1 W/PlayerDriver( 52): PVMFInfoErrorHandlingComplete

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  • Tips / techniques for high-performance C# server sockets

    - by McKenzieG1
    I have a .NET 2.0 server that seems to be running into scaling problems, probably due to poor design of the socket-handling code, and I am looking for guidance on how I might redesign it to improve performance. Usage scenario: 50 - 150 clients, high rate (up to 100s / second) of small messages (10s of bytes each) to / from each client. Client connections are long-lived - typically hours. (The server is part of a trading system. The client messages are aggregated into groups to send to an exchange over a smaller number of 'outbound' socket connections, and acknowledgment messages are sent back to the clients as each group is processed by the exchange.) OS is Windows Server 2003, hardware is 2 x 4-core X5355. Current client socket design: A TcpListener spawns a thread to read each client socket as clients connect. The threads block on Socket.Receive, parsing incoming messages and inserting them into a set of queues for processing by the core server logic. Acknowledgment messages are sent back out over the client sockets using async Socket.BeginSend calls from the threads that talk to the exchange side. Observed problems: As the client count has grown (now 60-70), we have started to see intermittent delays of up to 100s of milliseconds while sending and receiving data to/from the clients. (We log timestamps for each acknowledgment message, and we can see occasional long gaps in the timestamp sequence for bunches of acks from the same group that normally go out in a few ms total.) Overall system CPU usage is low (< 10%), there is plenty of free RAM, and the core logic and the outbound (exchange-facing) side are performing fine, so the problem seems to be isolated to the client-facing socket code. There is ample network bandwidth between the server and clients (gigabit LAN), and we have ruled out network or hardware-layer problems. Any suggestions or pointers to useful resources would be greatly appreciated. If anyone has any diagnostic or debugging tips for figuring out exactly what is going wrong, those would be great as well. Note: I have the MSDN Magazine article Winsock: Get Closer to the Wire with High-Performance Sockets in .NET, and I have glanced at the Kodart "XF.Server" component - it looks sketchy at best.

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  • PHP PDF library with unicode support. anybody??

    - by soden
    I tried dompdf. Its a lot easier than the other libraries but it doesnt have unicode support. Well it has unicode support but requires another library calld PDFLib ($1k version). so just wondering if anybodies ever stumbled upon or used any PHP pdf library which is easy to use and has unicode support. thanks,

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  • PyCrypto and GMP library not found error [Mac OS 10.6.3]

    - by sarasota
    I'm trying to install pycrypto-2.1.0 but attempt to do with 'python setup.py build' elicits: running build running build_py running build_ext warning: GMP library not found; Not building Crypto.PublicKey._fastmath. I installed GMP (gmp-4.3.2) and it's in: /usr/local/lib How do I get python/pycrypto to recognize that GMP is already present on my system? Mac OS: 10.6.3 Python version: 2.6.1

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  • Ruby on Rails deployment, on "thin" server with lot of attachments

    - by Horace Ho
    A lot of PDFs are stored inside MySQL as a BLOB field for each PDF file. The average file size is 500K each. The Rails app will stream the :binary data as file downloads, where there is a user click on the download link. Assume there is a maximum of 5 users downloading 5 PDFs concurrently, what kind of deployment setup parameters I should be aware of? e.g. for the case of thin: thin start --servers 3 whether --servers 3 is good enough (or 5 or more is needed) for the above example? The 2nd question is whether 'thin' a capable solution? Thanks!

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  • Silverlight 4 with WCF RIA architecture applying DDD

    - by doteneter
    Hello, In my ASP.NET MVC applications I use DDD and it works very well. I'm new to Silverlight development and would like to know how could I apply DDD to build a new architecture. I had a look on WCF RIA Services and what is exposed by default it's the simple CRUD methods. I would like to use MVVM pattern. I thought about general architecture and don't know if what I'm thinking about make sense in Silverlight development. I thought about creating Domain Model on the top of SVC. I would than expose by WCF RIA some operation that deals with aggreates in my Domain Model instead of simple CRUD. What I would aloso expose is the ViewModel entieties that could be used by the view. I don't know if it's make sense, if I'm going in a good direction or if applying DDD in Silverlight 4 development is a good practice. I didn't find much informations on Internet. I'll appreciate if you could point me to some interesting links or if you can give me some hints. Thanks for your help.

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