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• TreeView inside AutoCompleteBox's popup

  - by Satumba

  Hi, Inspired by this post, I'm trying to use a TreeView inside the AutoCompleteBox's popup in order to show hierarchical data. Here's what i did: I Made my own TreeView that implements ISelectionAdapter (not sure it's perfect) Edit AutoCompleteBox template and change the selector to my treeview Try Bind my ViewModel to it Unfortunately this is not working. i checked my new TreeView with the same binding to the same object and it works prefectly when it's outside of a AutoCompleteBox template. Any idea? any special way to implement ISelectionAdapter for treeview? did i missed something? couldn't find any example for it on the web... Thanks.

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• How to get the data for intra-day candlestick charts for stocks on eg Nasdaq

  - by Chris

  Hi, For a learning exercise, i'm wanting to create candlestick (stock) graphs for stocks using zedgraph. Now on google finance, i can get daily open-high-low-close data which is perfect for making these graphs, but i'm wanting to create intra-day graphs, eg open-high-low-close data for an hour (or 5 mins, or 1 min even). Is there any way to get that kind of data without having to subscribe to any expensive service? I've heard opentick mentioned in an old SO question, but their site is defunct now. I was thinking of polling google finance once a minute to get the latest stock price, then with an hour's worth of 60 prices, i could then roughly calculate the open-high-low-close, but this is a bit of an estimation and i'm open to other suggestions. Cheers all.

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• XSPF Web Music Player and restarting music in surfing

  - by Felicita

  I asked a question in this link; Streaming music background function music(){ $txt = '<object type="application/x-shockwave-flash" data="http://***.com/slim.swf?&autoplay=true&repeat=true&shuffle=true&song_url=http: //***.com/music.mp3&" width="200" height="20"> <param name="movie" value="http://***.com/slim.swf?&autoplay=true&repeat=true&shuffle=true& song_url=http://***.com/music.mp3&" /> <img src="noflash.gif" width="0" height="0" alt="" /> </object>'; echo $txt; } I have added this player with a simple php fonction. Palyer working perfect but when page changes, the music restarts. I want that I will be continued. What is wrong in code?

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• Where can I download a free, text-rich dataset?

  - by blee

  I want to do a bit of lightweight testing and bench-marking for full-text search, so the dataset should have the qualities: 10,000 - 100,000 records. good dispersion of English words. In CSV or Excel format--i.e. I don't want to access it via API. Something like books or movies with title and description fields would be perfect. I browsed the UCI Machine Learning Repo, but it was too number-oriented. Thanks!

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• how to fire the function event on PageLoad event of XtraReport ?

  - by ahmed

  I have a situation, I am working on a XtraReport where I am pulling some data from table.Now I created a function and passing a parameter at runtime for the report to generate. But when I fire the function event from a Onclick Button the result is perfect but when I fire the same function event on the page load of the ReportViewer ..I do not get the result. About function , i am creating dataset, and adapter with Sqlquery from runtime passing the parameter value from a session in the query and binding the data to the labels. But as I said I want the result on the pageload event of the reportviewer.

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• How to recall search pattern when writing replace regex pattern in Vim?

  - by Tom Morris

  Here's the scenario: I've got a big file filled with all sorts of eclectic rubbish that I want to regex. I fiddle around and come up with a perfect search pattern by using the / command and seeing what it highlights. Now I want to use that pattern to replace with. So, I start typing :%s/ and I cannot recall what the pattern was. Is there some magical keyboard command that will pull in my last search pattern here? If I'm writing a particularly complex regex, I have even opened up a new MacVim window, typed the regex from the first window into a buffer there, then typed it back into the Vim window when writing the replace pattern. There has got to be a better way of doing so.

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• Sync Framework Peer Data Sharing Unable to Catch Conflicts, Source Provider Alwasy wins!

  - by Belliez

  Hi, I am using SQL Server 2008 and the WebSharingAppDemo-SqlProviderEndToEnd sample and this is almost perfect for my needs however I am unable to detect conflicts. By default ConflictResolutionPolicy is set to ApplicationDefined. I have tried setting the ResolutionPolicy to SourceWins, DestinationWins or ApplicationDefined and I always get the same results? The Destination Provider Proxy (Peer) always wins? Can someone please provide a sample of how I can detect a conflict and act upon it or point me in the right direction where I can start to look. I am not sure what to do and where I can create events for detecting collisions. Been staring at this too long now and going around in circles! Thanks in advanced. Paul

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• problem jquery.ui.autocomplete 1.8 with height and overflow with IE

  - by fabrice

  Hello, I have a probleme with jquery.ui.autocomplete 1.8 rc2 in IE7 or IE8 with the following CSS (inside jquery.ui.autocomplete.css) : .ui-menu { list-style:none; padding: 2px; margin: 0;display:block; height:200px; overflow:scroll; } I'm using the demo from the project called : demos\autocomplete\remote-jsonp.html It's working perfect with firefox but with IE7 or 8, each time I click on the scroll bar to see the end of the list, it selects an element instead of scrolling down. Do you please have a solution to have a fixed height with jquery.ui.autocomplete and a scroll bar working with IE ? Thank you very much

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• Finding the centeroid of a polygon?

  - by user146780

  I have tried: for each vertex, add to total, divide by number of verities to get center. I'v also tried: Find the topmost, bottommost - get midpoint... find leftmost, rightmost, find midpoint. Both of these did not return the perfect center because I'm relying on the center to scale a polygon. I want to scale my polygons so I may put a border around them. What is the best way to find the centroid of a polygon given that the polygon may be concave, convex and have many many sides of various lengths. Thanks

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• Template engine recommendations

  - by alex

  I'm looking for a template engine. Requirements: Runs on a JVM. Java is good; Jython, JRuby and the like, too... Can be used outside of servlets (unlike JSP) Is flexible wrt. to where the templates are stored (JSP and a lot of people require the templates to be stored in the FS). It should provide a template loading interface which one can implement or something like that Easy inclusion of parameterized templates- I really like JSP's tag fragments Good docs, nice code, etc., the usual suspects I've looked at JSP- it's nearly perfect except for the servlet and filesystem coupling, Stringtemplate- I love the template syntax, but it fails on the filesystem coupling, the documentation is lacking and template groups and stuff are confusing, GXP, TAL, etc. Ideas, thoughts? Alex

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• Loading Images with Real Screen Resolution (Flash AS3)

  - by yar

  I am loading JPEGs into a Flash presentation using load with a flash.display.Loader and it's working great. The JPEGs are sizing to their native resolution (which is perfect). However, if I maximize the Flash presentation (in the Flash Player), the JPGs do NOT take advantage of the bigger screen. For example, the presentation is 1024x768, and the image is 1280x400. Normally the image shows with a part offscreen in the Flash presentation. However, if I expand the Flash presentation to 1680x1200, the freshly loaded image still goes offscreen. Is there any way to load the jpg (or png, or whatever) to take advantage of the displayed resolution of the Flash presentation? Edit: I realize this question is hard to read, so any help would be appreciated.

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• How to check misspelled email during user registration

  - by Nulldevice

  I use an email registration and confirmation in my project (yes, I know about OpenID. In my counry, a main email service lack it). Sometimes users misspell their email addresses. I know about this due to "message could not be delivered" letters in a mailbox. A misspelled address is absolutely correct, because I check it with a regular expression - say, [email protected] intstead of [email protected]. And I do not want to duplicate a email field in a registration form (who likes it?). Request processing routine cannot wait for email delivery - it could take an unpredictable time. So, my script will return to user a confirmation message "An email was sent". And the user will wait for it forever (of cause, not - he/she will turn to an alternative project with a more perfect registration system). Does someone knows how it can be improved (in any programming language)?

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• Needed list of special characters classification with respective characters

  - by pravin

  I am working on one web application , It's related to machine translation support i.e. which takes source text for translation and translated in to user specified language Currently it's in unit testing phase. Here, i want to check that, whether my machine translation feature is fully working for all the special characters. Because of different test cases I stuck at one point where i need all the special characters with classification. I needed all the special characters listing with classification. e.g. 1st : class name : Punctuation Characters : !?,"| etc test cases : segment1? segment2! segment3. 2nd : Class name : HTML entities characters : all the characters which belong under this class test cases : respective test cases 3rd : Class name : Extended ASCII characters :all the characters which belong under this class test cases : respective test cases Please folks provide this, if anyone has any idea or links so that i can make product perfect Thanks a lot

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• Constructing a hash table/hash function.

  - by nn

  Hi, I would like to construct a hash table that looks up keys in sequences (strings) of bytes ranging from 1 to 15 bytes. I would like to store an integer value, so I imagine an array for hashing would suffice. I'm having difficulty conceptualizing how to construct a hash function such that given the key would give an index into the array. Any assistance would be much appreiated. The maximum number of entries in the hash is: 4081*15 + 4081*14 + ... 4081 = 4081((15*(16))/2) = 489720. So for example: int table[489720]; int lookup(unsigned char *key) { int index = hash(key); return table[index]; } How can I compute hash(key). I'd preferably like to get a perfect hash function. Thanks.

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• finding a string of random characters (with possible errors) within a large string of random charact

  - by mike

  I am trying to search a large string w/o spaces for a smaller string of characters. using regex I can easily find perfect matches but I can't figure out how to find partial matches. by partial matches i mean one or two extra characters in the string or one or two characters that have been changed, or one of each. the first and last characters will always match though. this would be similar to a spell checker but there are no spaces and the strings dont contain actual words, just random hex digits. i figured a way to find the string if there are no extra characters using indexOf(string.charAt(0)) and indexOf(charAt(string.length()-1) and looping through the characters between the two indexes. but this can be problematic when dealing with randomized characters because of the possibility of finding the first and last characters at the correct spacing but none of the middle characters matching. i've been scratching my head for hours on this issue. any ideas?

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• Will OpenGL give me any FPS improvement over CoreAnimation for scrolling a large image?

  - by Ben Roberts

  Hi, I'm considering re-writing the menu system of my iPhone app to use Open GL just to improve the smoothness of scrolling a big image (480x1900px) across the screen. I'm looking at doing this as a way to improve on using the method/solution as described here (http://stackoverflow.com/questions/1443140/smoother-uiview). This solution was a big improvement over the previous implementation but it's still not perfect and as this is the first thing the user will see I'd like it to be as flawless as possible. Will switching to OpenGL give me the sort of smooth scrolling I'm looking for? I've stayed clear of OpenGL until now as this is my first app and core animation has handled everything else I've thrown at it well enough, would be good to know if this alternative implementation is likely to work! thanks

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• Rate limiting Django admin login with Nginx to prevent dictionary attack

  - by shreddies

  I'm looking into the various methods of rate limiting the Django admin login to prevent dictionary attacks. One solution is explained here: simonwillison.net/2009/Jan/7/ratelimitcache/ However, I would prefer to do the rate limiting at the web server side, using Nginx. Nginx's limit_req module does just that - allowing you to specify the maximum number of requests per minute, and sending a 503 if the user goes over: http://wiki.nginx.org/NginxHttpLimitReqModule Perfect! I thought I'd cracked it until I realised that Django admin's login page is not in a consistent place, eg /admin/blah/ gives you a login page at that URL, rather than bouncing to a standard login page. So I can't match on the URL. Can anyone think of another way to know that the admin page was being displayed (regexp the response HTML?)

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• Keyboard for programmers

  - by Robert Höglund

  I'm trying to improve my working environment and I'm still searching for that perfect keyboard that practically types bug-free code all by itself. At the moment I'm using a Logitech Wave for my Windows need and an Apple Wireless Keyboard (the one without a numeric keypad) when doing OS X stuff. I'm quite happy with the Logitech Wave but I would prefer one without all the extra multimedia buttons. What I like most about the Apple Wireless Keyboard is that it is very similar to the Macbook's keyboard which for me makes it easier to write code when on my Macbook. What kind of keyboard would you recommend for going all out writing code until your fingers bleed? I have remapped the Caps Lock key to Ctrl which after a while feels really good, until I have to sit at another computer or when someone at work is going to show me something on my computer. Are there other little keyboard tricks that you use to get a little bit more productive? I have looked into switching to Dvorak but I have decided it's not for me.

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• New scripting language

  - by j-t-s

  Hi All I am trying to create a scripting language by myself (it doesn't have to be perfect - although that would be great if it was), mostly because i'm doing it for fun and to learn about how they're created etc. According to the answer over here: http://stackoverflow.com/questions/2439929/creating-a-scripting-language what I'm supposed to be looking into is this: http://msdn.microsoft.com/en-us/library/xawadt95%28VS.85%29.aspx . But, I have absolutely no idea what that MSDN page is on about. Can somebody please help? P.S. Are there any free/open source scripting languages that target the Windows Script Host, that also have full source code available for it that I can play around with? Thank you

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• JSF Custom EL function works only on the first load of the page.

  - by jsfQ

  I created a ( JSP-based) custom EL function to use in the rendered tag. The function will return a boolean to decide if a page component needs to be rendered on a page or not. I import it onto the jsp page using <%@ taglib uri = "/WEB-INF/mine.tld" prefix = "g" %. Everything works perfect on the first load of the jsp page. Once a button is clicked, the form submits and then I am getting errors like 'No ClassLoaders found for: the class which implements my EL function' and 'Function not found'. What is going on here? What will be a fix?

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• How to add flags to RC.EXE through QMake .pro makefiles

  - by Hernán

  I've the following definition in my .pro file: RC_FILE = app.rc This RC file contains a global include at the top: #include "version_info.h" The version_info.h header is on a common header files directory. Since RC.EXE takes INCLUDE environment variable in consideration, according to MS documentation, my build process batch sets up that accordingly: SET INCLUDE=%PROJECTDIR%\version;%INCLUDE% ... QMAKE project.pro -spec win32-msvc2008 -r CONFIG += release This works perfect as RC seems to read that INCLUDE var so the "version_info.h" file is including on every RC file properly. The problem is when I generate a VS solution (or Import it through the VS Addin). The RC invocation does not contain any /I flag (as I expect) but does not read any INCLUDE variable, even when I've setup through system 'environment variables' dialog in XP. So I'm stuck with this problem, with two alternatives I could not get to work: Make VS RC.exe invocation honour the INCLUDE variable (didn't work either as user or system variable). Force QMAKE to pass /I flag to RC invocation, and get that /I flag imported into the project settings (Resource Compiler properties). Thanks in advance.

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• Stop Progressbar manual scrolling in Android

  - by Rony

  Hi experts, I have already posted my query here, but unfortunately, not getting the required support for this simple query. http://www.anddev.org/prevent_manual_moving_of_seekbar_widget-t13048.html I am using progressbar widget in my application to show the download progress. In the current state, I am able to manually move the slider back and forth while download is progressing. How can I prevent the manual moving of progressbar, instead it works only based on progressbar.setProgress(progressbar.getProgress() + 1024); -- currently this works perfect, but I need to prevent the manual moving of progressbar during download. Any help in this regard is appreciated. Regards, Rony

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• Sql Server Service Broker Conversation Groups

  - by Brian Hasden

  Can someone explain conversation groups in service broker? Currently, I'm using service broker to send messages from one SQL server to another. On the sending server, I'm trying to correlate the messages so they are processed in serial on the receiving side. Based on the documentation, conversation groups seem to be a perfect fit for this, but on the receiving server, the messages get assigned to a different conversation group from the one I specified when sending the message. I've search around the web and saw that this behavior seems to be intended (http://social.msdn.microsoft.com/forums/en-US/sqlservicebroker/thread/baf48074-6804-43ab-844a-cb28a6dce02b/), but then I'm confused about the usefulness of the syntax from (http://msdn.microsoft.com/en-us/library/ms178624.aspx) WAITFOR( GET CONVERSATION GROUP @conversation_group_id FROM [dbo].[ReceiveQueue] ) If the conversation group doesn't come across with the message from the sender and messages sent with the same conversation group id don't have the same conversation group id on the receive side, what's the point of the code above?

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• How to set my .apk file to run on different screen resolution in android?

  - by Arslan

  I am using a "WVGA800" for my app. I try to run it on different resolution screens. It it is not perfectly scratching in that resolution . I read and implement issues form this link. http://developer.android.com/guide/practices/screens_support.html But still not result. Please let me know if any one hase a perfect solution. Main issue are that I am fixing hight & width of Image, textsize etc. When these are displayed to screen of "WVGA800". But when I test them on "HVGA", "QVGA" then problem arise. I want to avoid the "if else" conditions by getting the screen resolution at Runtime. If any one hase any solution for this...let me know. Thanks in advance. I am also wondring when there will be new devices with new screen resolutions?

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• Apache fop-0.95 error on FopFactory.newInstance() command

  - by FlexInfoSys

  I am using Apache fop-0.95 to build pdf files from a JSP web application on IBM iSeries V5R4 using Websphere 6.0. Everything works perfect in my development using Websphere Development Studio client. When I put the application on the server, I get an error at this line. FopFactory fopFactory = FopFactory.newInstance(); The error is: java.lang.UnsatisfiedLinkError: javax/imageio/ImageIO Does anyone know how I can fix this error? All of the fop class files are part of the EAR file. The files were installed to the projects \WEB-INF\lib directory. I have added the fop jar files to the classpath, using the admin console. I am running IBM WebSphere Application Server - Express, 6.0.2.9 Build Number: cf90614.22 on IBM iSeries V5R4

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