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• Image Viewer application, Image processing with Dispaly Data.

  - by Harsha

  Hello All, I am working on Image Viewer application and planning to build in WPF. My Image size are usually larger than 3000x3500. After searching for week, I got sample code from MSDN. But it is written in ATL COM. So I am planning to work and build the Image viewer as follows: After reading the Image I will scale down to my viewer size, viwer is around 1000x1000. Lets call this Image Data as Display Data. Once displaying this data, I will work only this Display data. For all Image processing operation, I will use this display data and when user choose to save the image, I will apply all the operation to original Image data. My question is, Is is ok to use Display data for showing and initial image processing operations.

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• Asynchronous Processing in JBoss 6 ("Comet")

  - by chris_l

  edit: Retagged as tomcat, since this is really a question about the Tomcat embedded inside JBoss 6, rather than JBoss itself I have an extremely simple servlet, which works on Glassfish v3. It uses Servlet 3.0 Asynchronous Processing. Here's a simplified version (which doesn't do much): @WebServlet(asyncSupported=true) public class SimpleServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { final AsyncContext ac = request.startAsync(); ac.setTimeout(3000); } } On JBoss 6.0.0 (Milestone 2), I get the following Exception: java.lang.IllegalStateException: The servlet or filters that are being used by this request do not support async operation at org.apache.catalina.connector.Request.startAsync(Request.java:3096) at org.apache.catalina.connector.Request.startAsync(Request.java:3090) at org.apache.catalina.connector.RequestFacade.startAsync(RequestFacade.java:990) at playcomet.SimpleServlet.doGet(SimpleServlet.java:18) at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) ... Do I have to do anything special to enable Asynchronous Processing in JBoss 6? Or do I need an additional deployment descriptor? ...

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• Best way to remove an object from an array in Processing

  - by cmal

  I really wish Processing had push and pop methods for working with Arrays, but since it does not I'm left trying to figure out the best way to remove an object at a specific position in an array. I'm sure this is as basic as it gets for many people, but I could use some help with it, and I haven't been able to figure much out by browsing the Processing reference. I don't think it matters, but for your reference here is the code I used to add the objects initially: Flower[] flowers = new Flower[0]; for (int i=0; i < 20; i++) { Flower fl = new Flower(); flowers = (Flower[]) expand(flowers, flowers.length + 1); flowers[flowers.length - 1] = fl; } For the sake of this question, let's assume I want to remove an object from position 15. Thanks, guys.

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• optimistic locking batch update

  - by Priit

  How to use optimistic locking with batch updates? I am using SimpleJdbcTemplate and for single row I can build update sql that increments version column value and includes version in WHERE clause. Unfortunately te result int[] updated = simpleJdbcTemplate.batchUpdate does not contain rowcounts when using oracle driver. All elements are -2 indicating unknown rowcount. Is there some other, more performant way of doing this than executing all updates individually? These batches contain an average of 5 items (only) but may be up to 250.

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• Invoke Java via Batch File with Filepath Arguments

  - by EricIdyll

  Hi there, I'm having an issue getting files loaded into an app called GCS, by dragging them onto the executable. GCS can be invoked on Windows with a bat file, which goes like this: @echo off start javaw -Xmx256M -jar "GURPS Character Sheet.app/Contents/Resources/Java/GCS.jar" %* If I hard code a filepath in place of the batch argument wildcard (with quotes), it works. If I run the debugger with a filepath argument it works. If I echo %, it gives me the correct filename with quotes around it. If I add quotes around % it still breaks. I have a disconnect here between DOS and Java, and I'm at a loss. Does anyone recognize this problem? Thanks in advance.

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• Batch file: Extracting substring from input parameter to use in IF statement

  - by Neomoon

  This is a very basic example of what I am trying to implement in a more complex batch file. I would like to extract a substring from an input parameter (%1) and branch based on if the substring was found or not. @echo off SETLOCAL enableextensions enabledelayedexpansion SET _testvariable=%1 SET _testvariable=%_testvariable:~4,3% ECHO %_testvariable% IF %_testvariable%=act CALL :SOME IF NOT %_testvariable%=act CALL :ACTION :SOME ECHO Substring found GOTO :END :ACTION ECHO Substring not found GOTO :END ENDLOCAL :END This is what my ouput looks like: C:\>test someaction act =act was unexpected at this time. If possible I would like to turn this in to a IF/ELSE statement and evaluate directly from %1. However I have not had success with either.

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• Audio processing in C# or C++

  - by melculetz

  Hi, I would like to create an application that uses AI techniques and allows the user to record a part of a song and then tries to find that song in a database of wav files. I would have liked to use some already existing libraries for the audio processing part. So, could you recommend any libraries in C# which can read a wav file, get input from microphone, have some audio filters (low pass, high pass, FFT etc) and maybe have the ability to plot the audio signal as well. I would prefer to develop in C#, but if there aren't good libraries for audio processing, I guess I could work in C++ as well. As far as I know, Mathlab already has the above mentioned functionalities, but I can't use it in my application.

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• Strange/simple batch question regarding Java/Ant

  - by Monster

  For my company, I'm making a batch script to go through and compile the latest revisions of code for our current project. I'm using Ant to build the class files, but encountered a strange error. One of the source files imports .* from a directory, where there are no files (only folders), and in fact, the folders needed are imported right after. It compiles perfectly fine in Eclipse, but I'm using an Ant script to automate it outside of the IDE, and Javac throws an error when it encounters this line. Is there any automated procedure I can use to ignore/suppress this error with javac in Ant? I'd even go so far as to create a dummy file in the importing directory, but all of that in contained in a Jar file I don't wish to have to decompress and then recompress with the dummy file. Thanks!

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• Batch number variable setter.

  - by eyefinity

  I need help with this batch file I'm working on, Basically everytime it does a task it should plus the variable %number% by one which works fine and all and then repeat over again doing a different task until its completed. This is the code which it uses to repeat I need a way of settings basically: set svn=%svn%%number% set svnlink=%svnlink%%number% set svnfolder=%svnfolder%%number% Instead I am using: if %number%==1 ( set svn=%svn1% set svnlink=%svnlink1% set svnfolder=%svnfolder1%) if %number%==2 ( set svn=%svn2% set svnlink=%svnlink2% set svnfolder=%svnfolder2%) if %number%==3 ( set svn=%svn3% set svnlink=%svnlink3% set svnfolder=%svnfolder3%) Which i really need to shorten as this goes up to number 20+ Is this possible? If you could help me, Thanks!

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• Find folder name based on string value with batch

  - by MaQleod

  I need to return a full directory name from inside a specified directory that contains .default in the folder name. Basically I'm adding a line in a backup script to backup firefox bookmarks, but the profile name is going to be different on every machine and I need a way to find the folder the bookmarks.html file resides without knowing the firefox profile name I've looked at FIND and FINDSTR but neither seem to be what I need. I also looked at this post: http://stackoverflow.com/questions/2252785/windows-batch-file-get-folders-path-and-store-them-in-variable It was closer to what I'm looking for, but I just need a folder name, and to use something like regexp to find it Any suggestions on commands to look at or strategies to use?

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• Appengine BulkExport via Batch File

  - by Chris M

  I've created a batch file to run a bulk export on appengine to a dated file @echo off FOR /F "TOKENS=1* DELIMS= " %%A IN ('DATE/T') DO SET CDATE=%%B FOR /F "TOKENS=1,2 eol=/ DELIMS=/ " %%A IN ('DATE/T') DO SET mm=%%B FOR /F "TOKENS=1,2 DELIMS=/ eol=/" %%A IN ('echo %CDATE%') DO SET dd=%%B FOR /F "TOKENS=2,3 DELIMS=/ " %%A IN ('echo %CDATE%') DO SET yyyy=%%B SET date=%yyyy%%mm%%dd% FOR /f "tokens=1" %%u IN ('TIME /t') DO SET t=%%u IF "%t:~1,1%"==":" SET t=0%t% @REM set timestr=%d:~6,4%%d:~3,2%%d:~0,2%%t:~0,2%%t:~3,2% set time=%t:~0,2%%t:~3,2% @echo on "c:\Program Files\Google\google_appengine\appcfg.py" download_data --config_file=E:\FEEDSYSTEMS\TRACKER\TRACKER\tracker-export.py --filename=%date%data_archive.csv --batch_size=100 --kind="SearchRec" ./TRACKER I cant work out how to get it to authenticate with google automatically; at the moment I get asked the user/pass everytime which means I have to run it manually. Any Ideas?

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• Play 2.0 RESTful request post-processing

  - by virtualeyes

  In regard to this question I am curious how one can do post-request REST processing a la (crude): def postProcessor[T](content: T) = { request match { case Accepts.Json() => asJson(content) case Accepts.Xml() => asXml(content) case _ => content } } overriding onRouteRequest in Global config does not appear to provide access to body of the response, so it would seem that Action composition is the way to go to intercept the response and do post-processing task(s). Question: is this a good idea, or is it better to do content-type casting directly within a controller (or other class) method where the type to cast is known? Currently I'm doing this kind of thing everywhere: toJson( i18n("account not found") ) toJson( Map('orderNum-> orderNum) ) while I'd like the toJson/toXml conversion to happen based on accepts header post-request.

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• Running python batch file that has a path

  - by prosseek

  The batch file is something like this, I put the python in some directory that has SPACE character in its path. C:\"Documents and Settings"\Administrator\Desktop\bracket\python\python C:\\"Documents and Settings"\\Administrator\\Desktop\\bracket\\[10,20]\\brackettest.py When I run this one, I get this error. C:\Documents and Settings\Administrator\Desktop\bracket\python\python: can't ope n file 'C:\Documents and Settings\\Administrator\\Desktop\\bracket\\[10,20]\\bra ckettest.py': [Errno 2] No such file or directory C:\Documents and Settings\Administrator\Desktop\bracket What might be wrong? Wrapping the path doesn't solve this problem. "C:\\Documents and Settings\\Administrator\\Desktop\\bracket\\[10,20]\\brackettest.py"

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• Create a Sin wave line with Processing

  - by Nintari

  Hey everybody, first post here, and probably an easy one. I've got the code from Processing's reference site: float a = 0.0; float inc = TWO_PI/25.0; for(int i=0; i<100; i=i+4) { line(i, 50, i, 50+sin(a)*40.0); a = a + inc; } http://processing.org/reference/sin_.html However, what I need is a line that follows the curve of a Sin wave, not lines representing points along the curve and ending at the 0 axis. So basically I need to draw an "S" shape with a sin wave equation. Can someone run me through how to do this? Thank you in advance, -Askee

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• help with batch file using WINRAR please

  - by Jessie

  i need help with batch file for WINRAR pleasee hi i am trying to use winrar to convert all my different folders individually from one location to another. example: c:\projects\test c:\projects\country c:\projects\db to c:\backup\test.rar c:\backup\country.rar c:\backup\db.rar I am trying the following cmd, which works but what it does is that it gets all the folders in the projects folder into the backup for /f "delims==" %%D in ('DIR C:\projects /A /B /S') do ( "C:\Program Files\WinRAR\WinRAR.EXE" m -r "c:\backup\projects.rar" "%%D" ) but this is what it does c:\backup\project.rar (it does contain all the files if i extract) i want them separetely can you please help?

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• Run exe on computer in network through batch file

  - by Peter Kottas

  I have few computers connected to the network and I want to create batch files to automatize the process of working with them. I have already created one used to shutdown computers at once. It is very simple I ll just post it for the sake of argument. @echo off shutdown -s -m \\Slave1-PC shutdown -s -m \\Slave2-PC shutdown -s -m \\Slave3-PC Now I want to execute programs on these machines. So lets say there is "example.exe" file located "\Slave1-PC\d\example.exe" using call \\Slave1-PC\\d\\example.exe runs it on my computer through network and i didn't come up with anything else. I dont want to use any psexec if possible. Help would be much appreciated. Peter

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• Moving and renaming files, keeping extension but include sub directories in batch file

  - by Ser1esII

  Forgive me if this is nor the place to ask these questions, I am new to batch and scripts and a bit new to these kind of posts... I have a folder that will receive files and folders, I want to run a script that looks at the directory and renames all files in each subfolder numerically, and moves them if possible. For example I have something that looks like the following Recieved_File_Folder |_folder1 | |_file1.txt | |_file2.bmp |_folder2 | |_file4.exe | |_file5.bmp |__file9.txt |__file10.jpg I would like to be able to look in every directory and move it to something like this, keeping in mind the names of the files will be random and I want to keep the extension intact also. Renamed_Folder |_folder1 | |_1.txt | |_2.bmp |_folder2 | |_1.exe | |_2.bmp |__1.txt |__2.jpg I have spent alot of time on this and am not doing too well with it, any help would be very greatly appreciated!! Thank you in advance!

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• Batch file to map a drive when the folder name contains spaces

  - by Santiago

  I am trying to map a drive using a batch file. I have tried: net use m: \Server01\myfolder /USER:mynetwork\Administrator "Mypassword" /persistent:yes It works fine. The problem comes when I try to map a folder with spaces on its name: net use m: \Server01\my folder /USER:mynetwork\Administrator "Mypassword" /persistent:yes I have tried using quotes, using myfold~1 but nothing works. An easy way would be renaming the folder but I have it mapped in more than 300 workstations so is not a very good idea. PLEASE HELP!!!

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• Run batch file when argument contains quotes and spaces (from .NET framework)

  - by turtle

  I have a bat file which sets some environment variables, and then executes a command on the command line. I want to replace the hard coded command with one passed in via a parameter. So: :: Set up the required environment SET some_var=a SET another_var=b CALL some.bat :: Now call the command passed into this batch file %1 The problem is that the command is complex, and doesn't escape cleanly. It looks like this: an.exe -p="path with spaces" -t="some text" -f="another path with spaces" I'm trying to call the .bat from a .NET framework app, using: Dim cmd as String = "the cmd" System.Diagnostics.Process.Start( thebat.exe, cmd ) but I can't seem to get the escapes to work correctly. Can someone tell me how the string cmd should be entetered to get the command passed into the bat file as an argument correctly?

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• passing variable to a batch file

  - by sushant

  i am calling a batch file for xcopy. i have the path of the file to b copied in variable a. my code is: dim shell,z z="for.bat " & a & " " & b & " " & c set shell=createobject("wscript.shell") shell.Run z, 1, true where for.bat is: for %%f in (%1,%2,%3) do xcopy %%f D:\shipment\ /e when 'a' has small path like D:\flexcube, it works. but if i put some big path, say: D:\flexcube1\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder\New Folder it does not work. is their some length restriction on %1 type variables or is this some other problem? any help is really appreciated.

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• Controlling Windows Media Player through PHP / batch files

  - by Duroth

  I'm currently writing a tiny webapp for my HTPC (actually, a PC serving as both a media player and web- / fileserver) that will allow me to remotely control the playing of audio, without having to turn on my TV just to switch songs. I'm using Windows Media Player as my audio player of choice, and I thought I could control it through PHP's COM Class. Unfortunately, I've not been able to find any documentation or examples on controlling WMP through this interface. Can anyone point me in the right direction here? A second (and much less preferable) solution would be to use PHP's exec() call to start batch files that, in turn, control WMP.

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• Processing: how to load a 3d Blender model?

  - by ulrich

  How can I load a 3-d Blender model into the Processing environment?

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• JDBC batch insert performance

  - by wo_shi_ni_ba_ba

  I need to insert a couple hundreds of millions of records into the mysql db. I'm batch inserting it 1 million at a time. Please see my code below. It seems to be slow. Is there any way to optimize it? try { // Disable auto-commit connection.setAutoCommit(false); // Create a prepared statement String sql = "INSERT INTO mytable (xxx), VALUES(?)"; PreparedStatement pstmt = connection.prepareStatement(sql); Object[] vals=set.toArray(); for (int i=0; i

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• Running python batch file that has a path with SPACE character

  - by prosseek

  The batch file is something like this, I put the python in some directory that has SPACE character in its path. C:\"Documents and Settings"\Administrator\Desktop\bracket\python\python C:\\"Documents and Settings"\\Administrator\\Desktop\\bracket\\[10,20]\\brackettest.py When I run this one, I get this error. C:\Documents and Settings\Administrator\Desktop\bracket\python\python: can't ope n file 'C:\Documents and Settings\\Administrator\\Desktop\\bracket\\[10,20]\\bra ckettest.py': [Errno 2] No such file or directory C:\Documents and Settings\Administrator\Desktop\bracket What might be wrong? Wrapping the path doesn't solve this problem. "C:\\Documents and Settings\\Administrator\\Desktop\\bracket\\[10,20]\\brackettest.py" Are the brackets ('[]') cause of the problem? On Mac, python works well with bracket character.

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• DOS Batch file - Copy file based on filename elements

  - by user1848356

  I need to sort alot of files based on their filename. I would like to use a batch file to do it. I do know what I want but I am not sure of the correct syntax. Example of filenames I work with: (They are all in the same directory originally) 2012_W34_Sales_Store001.pdf 2012_W34_Sales_Store002.pdf 2012_W34_Sales_Store003.pdf 2012_November_Sales_Store001.pdf 2012_November_Sales_Store002.pdf 2012_November_Sales_Store003.pdf I would like to extract the information that are located between the "_" signs and put them into a different variable each time. The lenght of the informations contained between the _ signs will be different everytime. Example: var1="2012" var2="W34" (or November) var3="Sales" var4="001" If I am able to do this, I could then copy the files to the appropriate directory using move %var1%_%var2%_%var3%_%var4%.pdf z:\%var3%\%var4%\%var1%\%var2% It would need to loop because I have Store001 to Store050. Also, there are not only Sales report, many others are available. I hope I am clear. Please help me realize this batchfile!

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