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  • What's a good matrix manipulation library available for C ?

    - by banister
    Hi, I am doing a lot of image processing in C and I need a good, reasonably lightweight, and above all FAST matrix manipulation library. I am mostly focussing on affine transformations and matrix inversions, so i do not need anything too sophisticated or bloated. Primarily I would like something that is very fast (using SSE perhaps?), with a clean API and (hopefully) prepackaged by many of the unix package management systems. Note this is for C not for C++. Thanks :)

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  • How to redirect within a monad in Yesod?

    - by Squazic
    I'm currently using the fb package to write a Yesod app that takes data from Facebook. In my Handler, I've managed to get the first step of the authentication to work, but I need to redirect to the url that getUserAccessTokenStep1 returns, which I've defined as fbRedirUrl. I'm having trouble with all the monad wrapping and type checking to make sure I can redirect to this url. getAccessTokenR :: Handler RepHtml getAccessTokenR = do withManager $ \manager -> do FB.runFacebookT creds manager $ do fbRedirUrl <- FB.getUserAccessTokenStep1 redirUrl [] liftIO $ print fbRedirUrl

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  • distutils setup does not include data_files

    - by StackUnderflow
    I am new to distutils.. I am trying to include few data files along with the package.. here is my code.. from distutils.core import setup setup(name='Scrapper', version='1.0', description='Scrapper', packages=['app', 'db', 'model', 'util'], data_files=[('app', ['app/scrapper.db'])] ) The zip file created after executing python setup.py sdist does not include the scrapper.db file. I have scrapper.db file in the app directory.. thanks for the help.

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  • a good smart phone for java development?

    - by pstanton
    Hi all, I'd like to do some development of smart phone apps and my native programming language is java. The first application I'd like to write will need to be able to (attempt to) connect to a network (LAN or WiFi) automatically in the background (on a schedule). would an android phone be the best path or are there competitive purer java options?

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  • ActionScript Creating Custom Filters

    - by TheDarkIn1978
    i would like to create a custom DropShadowFilter that always takes the same arguments and package it. since it's not possible to extend the BitmapFilter class, how can i create a custom filter that is called as part of the filters array on a display object like regular filter? mySprite.filters = [new BlurFilter(5, 5, 3), new CustomDropShadowFilter()];

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  • How do you drop in substitute JRE classes?

    - by evilfred
    Hi, java.util.zip has well-known problems with native memory usage, so i'm trying to use a drop-in replacement called "jazzlib". unfortunately as is typical for sourceforge projects there is no documentation. If I add the jar to my classpath then Java freaks out and gives me "prohibited package name" errors because it replaced java.util.zip. How do I tell Java that this is what I want it to do?

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  • What tech needed to run JSP and Servlets?

    - by Mike
    If I want to build a site with PHP, all I have to do is install the PHP package and make sure mod_php is enabled in my apache web server. Voila! a PHP environment. Now, if I want to build a site with equivalent Java tech, i.e. JSP and Servlets, What do I have to install?

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  • Windows 7 - pydoc from cmd

    - by Random_Person
    Okay, I'm having one of those moments that makes me question my ability to use a computer. This is not the sort of question I imagined asking as my first SO post, but here goes. Started on Zed's new "Learn Python the Hard Way" since I've been looking to get back into programming after a 10 year hiatus and python was always what I wanted. This book has really spoken to me. That being said, I'm having a serious issue with pydoc from the command. I've got all the directories in c:/python26 in my system path and I can execute pydoc from the command line just fine regardless of pwd - but it accepts no arguments. Doesn't matter what I type, I just get the standard pydoc output telling me the acceptable arguments. Any ideas? For what it's worth, I installed ActivePython as per Zed's suggestion. C:\Users\Chevee>pydoc file pydoc - the Python documentation tool pydoc.py <name> ... Show text documentation on something. <name> may be the name of a Python keyword, topic, function, module, or package, or a dotted reference to a class or function within a module or module in a package. If <name> contains a '\', it is used as the path to a Python source file to document. If name is 'keywords', 'topics', or 'modules', a listing of these things is displayed. pydoc.py -k <keyword> Search for a keyword in the synopsis lines of all available modules. pydoc.py -p <port> Start an HTTP server on the given port on the local machine. pydoc.py -g Pop up a graphical interface for finding and serving documentation. pydoc.py -w <name> ... Write out the HTML documentation for a module to a file in the current directory. If <name> contains a '\', it is treated as a filename; if it names a directory, documentation is written for all the contents. C:\Users\Chevee> EDIT: New information, pydoc works just fine in PowerShell. As a linux user, I have no idea why I'm trying to use cmd anyways--but I'd still love to figure out what's up with pydoc and cmd. EDIT 2: More new information. In cmd... c:\>python c:/python26/lib/pydoc.py file ...works just fine. Everything works just fine with just pydoc in PowerShell without me worrying about pwd, or extensions or paths.

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  • How do I add a library in Eclipse?

    - by jul
    hi, I downloaded the Gson library from http://code.google.com/p/google-gson/. The archive contains the following jar files: google-gson-1.3/gson-1.3-javadoc.jar google-gson-1.3/gson-1.3.jar google-gson-1.3/gson-1.3-sources.jar How do I set my Eclipse to be able to use the package in my projects? Where do I put the documentation? Thanks jul

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  • Sphinx failed to read searchd response

    - by Creotiv
    I have strange behavior of Sphinx searchd. I used it with Python standard client on ubuntu 9.10 For same query it's can give normal response or can give broken package like this: failed to read searchd response (status=0,ver=1,len=278,read=72) this problem appears with 50% probability. I have test index with only 5 documents and default config. Will be grateful for help)

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  • PHP HTML sanitizer

    - by Mark Blades
    Hi, I'm wondering if anybody has used this class and found it to be reliable? http://www.phpclasses.org/package/3746-PHP-Remove-unsafe-tags-and-attributes-from-HTML-code.html Many thanks!

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  • Mint Linux - Downgrade Java to 1.5

    - by Chrisc
    Hello, Currently, I am running Mint Linux (Release 9). I need to downgrade Java from version 1.6 to 1.5, and have been trying to figure out how to go about this. So far, I've had no luck. The package manager doesn't seem to have it. Does anyone have any suggestions? Thanks, - Chris

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  • python __import__ problem

    - by Anurag Uniyal
    I have a messages folder(package) with __init__.py file and another module messages_en.py inside it. In __init__.py if I import messages_en it works, but __import__ fails with "ImportError: No module named messages_en" import messages_en # it works messages = __import__('messages_en') # it doesn't ? I used to think 'import x' is just another way of saying __import__('x')

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  • Cocoa & Cocoa Touch. How do I create an NSData object from a plain ole pointer?

    - by dugla
    I have malloc'd a whole mess of data in an NSOperation instance. I have a pointer: data = malloc(humungous_amounts_of_god_knows_what); uint8_t* data; How do I package this up as an NSData instance and return it to the main thread? I am assuming that after conversion to an NSData instance I can simply call: free(data); Yes? Also, back on the main thread how do I retrieve the pointer? Thanks, Doug

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  • Where are Kohana config files?

    - by elmonty
    I've just installed Kohana 3.0.4.2 and I have run the index.php file successfully. According to the documentation, the next step is to edit the config files in the application/config folder. I have that folder but there are no files in it! I downloaded the package again to make sure it wasn't corrupted, but the same problem exists. Why is the application/config folder empty?

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  • Java Speech recognition api

    - by jaymin
    HI, i am currently developing an android application where i am required to implement speech recognition...could u suggest a link where i could find a java speech recognition API...? Thanks

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  • URL conventions for Maps on Windows Phone 7

    - by Stan Wiechers
    What is the best practice for opening a map from the mobile internet explorer on windows phone 7? On BlackBerry you use a JavaScript method and on Android/iOS you simply link to a google maps URL. I am planning to integrate the different ways of opening maps into my mobile geo javascript library and don't have a windows phone device. http://code.google.com/p/geo-location-javascript/ Thanks, Stan Wiechers

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  • Avoid writing SQL queries altogether in SSIS

    - by Jonn
    Working on a Data Warehouse project, the guy that gave us the tutorial advised that we stick to using SQL queries over defining a lot of data flow transformations, citing points like it'll consume a lot of memory on the ETL box so we'd rather leave the processing to the DB box. Is this really advisable? Where's the balance between relying on GUI tools over executing a bunch of SQL scripts on your Integration package? And honestly, I'd like to avoid writing SQL queries as much as I can.

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  • JavaFX - question regarding binding button's disabled state

    - by jamiebarrow
    I'm trying to create a dummy application that maintains a list of tasks. For now, all I'm trying to do is add to the list. I enter a task name in a text box, click on the add task button, and expect the list to be updated with the new item and the task name input to be cleared. I only want to be able to add tasks if the task name is not empty. The below code is my implementation, but I have a question regarding the binding. I'm binding the textbox's text variable to a string in my view model, and the button's disable variable to a boolean in my view model. I have a trigger to update the disabled state when the task name changes. When the binding of the task name happens the boolean is updated accordingly, but the button still appears disabled. But then when I mouse over the button, it becomes enabled. I believe this is due to JavaFX 1.3's binding being lazy - only updates the bound variable when it is read. Also, when I've added the task, I clear the task name in the model, but the textbox's text doesn't change - even though I'm using bind with inverse. Is there a way to make the textbox's text and the button's disabled state update automatically via the binding as I was expecting? Thanks, James AddTaskViewModel.fx: package jamiebarrow; import java.lang.System; public class AddTaskViewModel { function logChange(prop:String,oldValue,newValue):Void { println("{System.currentTimeMillis()} : {prop} [{oldValue}] to [{newValue}] "); } public var newTaskName: String on replace old { logChange("newTaskName",old,newTaskName); isAddTaskDisabled = (newTaskName == null or newTaskName.trim().length() == 0); }; public var isAddTaskDisabled: Boolean on replace old { logChange("isAddTaskDisabled",old,isAddTaskDisabled); }; public var taskItems = [] on replace old { logChange("taskItems",old,taskItems); }; public function addTask() { insert newTaskName into taskItems; newTaskName = ""; } } Main.fx: package jamiebarrow; import javafx.scene.control.Button; import javafx.scene.control.TextBox; import javafx.scene.control.ListView; import javafx.scene.Scene; import javafx.scene.layout.VBox; import javafx.stage.Stage; import javafx.scene.layout.HBox; def viewModel = AddTaskViewModel{}; var txtName: TextBox = TextBox { text: bind viewModel.newTaskName with inverse onKeyTyped: onKeyTyped }; function onKeyTyped(event): Void { txtName.commit(); // ensures model is updated cmdAddTask.disable = viewModel.isAddTaskDisabled;// the binding only occurs lazily, so this is needed } var cmdAddTask = Button { text: "Add" disable: bind viewModel.isAddTaskDisabled with inverse action: onAddTask }; function onAddTask(): Void { viewModel.addTask(); } var lstTasks = ListView { items: bind viewModel.taskItems with inverse }; Stage { scene: Scene { content: [ VBox { content: [ HBox { content: [ txtName, cmdAddTask ] }, lstTasks ] } ] } }

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  • What is the correct way to move a file?

    - by Joe McDonald
    We had an issue at my work where I cut and pasted some files. Immediately when I did it, a ton of files were lost. I've been working in IT for 10+ years. I know how to cut and paste a file. Well, when it went up to my managers as to why the files were lost, they deemed it to my cut and paste that caused all the problems and asked why in the world someone as knowledgeable as me would ever cut and paste a file, and didn't I know that was totally the wrong way to move a file? The correct way to move a file is to drag the file. When cutting and pasting, it moves that 1+ GB file (on the server) to the clipboard (on my PC), which, obviously, will cause problems. Dragging a file never hits the clipboard. Be honest, I don't believe that for a minute. I believe when I cut and paste text, it goes to the clipboard. I've seen it in the old versions of windows. But when right clicking on 100+ files that equals 1+ GB, I can't believe that all that data is copied immediately out of whatever share I'm on at the server across my wireless on my laptop to my local clipboard to just go back to the server to another share. It seems they would build some logic in the server OS or my local OS (more likely my local OS) that would say when copying files, don't perform the move action until I click paste and if the files are staying local to where they were before, just move them. So, who's right?

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  • How to repaint a XYPlot from JFreeChart? (JAVA)

    - by mccrank
    Hi, I'm doing a GUI that has a XYPlot (from the JFreeChart package) and when I click a button I'm trying to add some values. I add them correctly to the XYSeries that are inside the XYPlot, but the GUI doesn't change. It only changes when y maximize or minimize. Is there some kind of repaint to do this? I have been looking for it and I have found nothing.

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  • Dual pane file manager for Mac OS X

    - by Alex Kaushovik
    Is there a good customizable dual-pane file manager for Mac like Total Commander / Far Manager in Windows, or like Krusader / Midnight Commander in Linux? I used to work on Windows for quite a while and mostly used Far Manager and sometimes Total Commander, then I switched to Ubuntu Linux and used Krusader, now I switched to Mac OS (Snow Leopard) and I'm having a hard time trying to find a good file manager... Many of the existing applications are trying to replace the Finder with "multimedia capabilities nobody cares about in file manager - IMHO" (Path Finder, ForkLift), some of them are almost good dual-pane file managers (couldn't remember examples), but none of them worked for me mostly because of one reason: I couldn't integrate my file/folder comparison utility (Araxis Merge for Mac) with them... The way it worked for me in Windows and Linux is that I was setting the cursor on one file in the left pane, then setting the right-pane cursor on another file in right pane, then I pressed a hotkey that launched Araxis Merge with those to files/folders comparison results. It was very easy to set up in Far Manager (Windows) and Krusader (Linux, actually in Linux I used "Meld" instead of Araxis Merge...) The tool I'm looking for doesn't necessarily has to be free... Thank you!

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  • Exclude files only in "release" in VS2008 config

    - by Tom
    Hi Guys, I was wondering how to "Exclude" individual files in the "release" web.csproj config of my solution. I've seen other answers and they all feature "include" - but this is not what I am wanting to achieve. I only want to exclude around 10-15 files from a "release" package ? I don't want to manually edit the web.csproj file - so is there any way I can do this via web.config or ? How would I go about doing this ?

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