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  • Would this hack for per-object permissions in django work?

    - by Edward
    According to the documentation, a class can have the meta option permissions, described as such: Options.permissions Extra permissions to enter into the permissions table when creating this object. Add, delete and change permissions are automatically created for each object that has admin set. This example specifies an extra permission, can_deliver_pizzas: permissions = (("can_deliver_pizzas", "Can deliver pizzas"),) This is a list or tuple of 2-tuples in the format (permission_code, human_readable_permission_name). Would it be possible to define permissions at run time by: permissions = (("can_access_%s" % self.pk, / "Has access to object %s of type %s" % (self.pk,self.__name__)),) ?

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  • Flex: Unexpected leakage with RemoteObject + IExternalizable?

    - by David Wolever
    I've been tinkering with IExternalizable, but I've noticed some unexpected behavior. I've got this class: public function readExternal(input:IDataInput):void { input.readObject(); input.readObject(); input.readObject(); } public function writeExternal(output:IDataOutput):void { output.writeObject("first string"); output.writeObject(424242); output.writeObject("second string"); } But when I try to serialize this class using AMF and send it to a remote server (via RemoteObject), Charles shows me that the request looks like this: But it seems wrong that my serialized object is leaking out into the rest of the request. So, what am I doing wrong? Is there some part of the documentation I've missed?

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  • Doxygen - <X>:1: warning: return type of member X is not documented

    - by Matt Clarkson
    /*! \var GLOBAL_VAR * \brief This is my global initialisation array for MY_STRUCT */ MY_STRUCT GLOBAL_VAR = { 1, 3, 2, 1, }; I get the following error: <GLOBAL_VAR>:1: warning: return type of member GLOBAL_VAR is not documented But this shouldn't have any return type?! If I do either of the following the warning goes away: /*! \var GLOBAL_VAR * \brief This is my global initialisation array for MY_STRUCT * \returns */ MY_STRUCT GLOBAL_VAR = { 1, 3, 2, 1, }; Or: /*! \var GLOBAL_VAR * \brief This is my global initialisation array for MY_STRUCT */ MY_STRUCT GLOBAL_VAR = 3; The isn't very useful as it puts a "Returns" into my HTML documentation and the second one breaks my code! How do I remove this warning? Thanks Matt

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  • iPhone: custom UITableViewCell with Interface Builder -> how to release cell objects?

    - by Stefan Klumpp
    The official documentation tells me I've to do these 3 things in order to manage the my memory for "nib objects" correctly. @property (nonatomic, retain) IBOutlet UIUserInterfaceElementClass *anOutlet; "You should then either synthesize the corresponding accessor methods, or implement them according to the declaration, and (in iPhone OS) release the corresponding variable in dealloc." - (void)viewDidUnload { self.anOutlet = nil; [super viewDidUnload]; } That makes sense for a normal view. However, how am I gonna do that for a UITableView with custom UITableViewCells loaded through a .nib-file? There the IBOutlets are in MyCustomCell.h (inherited from UITableViewCell), but that is not the place where I load the nib and apply it to the cell instances, because that happens in MyTableView.m So do I still release the IBOutlets in the dealloc of MyCustomCell.m or do I have to do something in MyTableView.m? Also MyCustomCell.m doesn't have a - (void)viewDidUnload {} where I can set my IBOutlets to nil, while my MyTableView.m does.

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  • iPhone SDK - CGBitmapContextCreate

    - by nax_
    Hi, I would like to create an image of my own. I already know its width (320*2 = 640) and height (427). So I have some raw data : unsigned char *rawImg = malloc(height * width * 4 *2 ); Then, I will fill it :) Then, I have to do something like that to get a bitmap and return a (UIImage *) : ctx = CGBitmapContextCreate(rawImg,width*2,height,8, ???, ???, kCGImageAlphaPremultipliedLast); UIImage * imgFinal = [UIImage imageWithCGImage:CGBitmapContextCreateImage(ctx)]; CGContextRelease(ctx); return imgFinal; But I don't know how to create my context ctx, as you can see with the "???", even tough I read the documentation... Please help ! Thanks :)

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  • Accomplishing boost::shared_from_this() in constructor via boost::shared_from_raw(this)

    - by Kyle
    Googling and poking around the boost code, it appears that it's now possible to construct a shared_ptr to this in a constructor, by inheriting from enable_shared_from_raw and calling shared_from_raw(this) Is there any documentation or examples of this? I'm finding nothing with google. Why am I not finding any useful buzz on this on google? I would have thought using shared_from_this in a constructor would be a hot/desirable item. Should I be inheriting from both enable_shared_from_raw and enable_shared_from_this, and restricting my usage of enable_shared_from_raw when I have to? If so, why? Is there a performance hit with shared_from_raw?

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  • macdeployqt and third party libraries

    - by user338170
    I've got an application project that depends on a couple of shared libraries that I have created myself. According to the Qt 4.6 documentation "Deploying an Application on Mac OSX": Note: If you want a 3rd party library to be included in your application bundle, then you must add an excplicit lib entry for that library to your application's .pro file. Otherwise, the macdeployqt tool will not copy the 3rd party .dylib into the bundle. I have added lib entries to my application's .pro file but the libraries that I have written do not get copied into the bundle when I execute macdeployqt. I have the following in my .pro file: LIBS += -L../Libraries -lMyLib Everything builds okay, its just when I try to run from the bundle that I run into problems i.e. "image not found" errors. Is there a bug in macdeployqt or do I have to something more to my .pro file?

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  • GeoDjango: is there an out-of-the-box way to generate clusters of points?

    - by vaughnkoch
    Hi, I'm trying to compute clusters on a set of points in Python, using GeoDjango. The problem: Given a set of points, output a set of clusters of those points. (i'm fine specifying # of clusters/cluster size/distance in advance to simplify) There are a few solutions on the web to do clustering, so it's a well known problem. I thought that GeoDjango would handle these types of problems out of the box, but it's not clear how - I've searched the GeoDjango documentation, Google, and a few other places, but couldn't find anything. Before I roll my own clustering solution, I thought I'd ask to see if there's a straightforward way to do this using GEOS or another package within GeoDjango.

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  • Using Delphi or FFMpeg to create a movie from image sequence

    - by Hein du Plessis
    Hi all My Delphi app has created a squence called frame_001.png to frame_100.png. I need that to be compiled into a movie clip. I think perhaps the easiest is to call ffmpeg from the command line, according to their documentation: For creating a video from many images: ffmpeg -f image2 -i foo-%03d.jpeg -r 12 -s WxH foo.avi The syntax foo-%03d.jpeg specifies to use a decimal number composed of three digits padded with zeroes to express the sequence number. It is the same syntax supported by the C printf function, but only formats accepting a normal integer are suitable. From: http://ffmpeg.org/ffmpeg-doc.html#SEC5 However my files are (lossless) png format, so I have to convert using imagemagick first. My command line is now: ffmpeg.exe -f image2 -i c:\temp\wentelreader\frame_%05d.jpg -r 12 foo.avi But then I get the error: [image2 @ 0x133a7d0]Could not find codec parameters (Video: mjpeg) c:\temp\wentelreader\Frame_C:\VID2EVA\Tools\Mencoder\wentel.bat5d.jpg: could not find codec parameters What am I doing wrong? Alternatively can this be done easily with Delphi?

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  • Spring 3 - Custom Security

    - by Eqbal
    I am in the process of converting a legacy application from proprietary technology to a Spring based web app, leaving the backend system as is. The login service is provided by the backend system through a function call that takes in some parameter (username, password plus some others) and provides an output that includes the authroizations for the user and other properties like firstname, lastname etc. What do I need to do to weave this into Spring 3.0 security module. Looks like I need to provide a custom AuthenticationProvider implementation (is this where I call the backend function?). Do I also need a custom User and UserDetailsService implementation which needs loadUserByName(String userName)? Any pointers on good documentation for this? The reference that came with the download is okay, but doesn't help too much in terms of implementing custom security.

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  • How can I set the minDate/maxDate for jQueryUI Datepicker using a string?

    - by leo
    jQueryUI Datepicker documentation states that the minDate option can be set using "a string in the current dateFormat". So I've tried the following to initialize datepickers: $("input.date").datepicker({ minDate: "01/01/2010", maxDate: "12/31/2010" }); However, this results in my datepicker having a selectable date range that goes from 11/06/2015 to 12/17/2015. I've checked the current dateformat and its mm/dd/yy, which is supposed to mean 2 digits for the month, 2 for the day, and 4 for the year, separated by slashes. I've also tried including dateFormat: "mm/dd/yy" in the inizialization statement. I've also checked the values for minDate and maxDate afterwards and they ARE being set to the values I want: 01/01/2010 and 12/31/2010. I want to be able to set min/maxDate with strings because I'm being passed these values as strings from somewhere else. Maybe someone knows why this happens and how to solve this, or a workaround to achieve this, perphaps changing the format of the date strings or something? Thanks EDIT: Using: jQuery v1.3.2 and jQuery UI v1.7.2

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  • jquery document ready with Google

    - by cf_PhillipSenn
    This is how I load jQuery: <script src="http://www.google.com/jsapi"></script> <script type="text/javascript"> function OnLoad() { insert jQuery goodness here }; google.load("jquery", "1"); google.setOnLoadCallback(OnLoad); </script> But instead of function OnLoad() {, I'd like to use $(document).ready(function() {} so that it's like every example in every book and documentation snippet. How can I define: $ = jQuery?

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  • OSMF - add an actionscript cuepoint to a video?

    - by redconservatory
    I'm trying to add a cuepoint to a video using OSMF. I built an OSMF video player, and I'd like to use this instead of the FLVPlayback component, which seems like the only way to add an actionscript cuepoint? Anyhow, I created a cuepoint by writing this: var cuePoint:CuePoint = new CuePoint(CuePointType.ACTIONSCRIPT, 1, "good point", null); videoElement.addEventListener(MediaElementEvent.METADATA_ADD, onMetadataAdd); trace(cuePoint.time); The cuepoint time traced out to "1" (successful). I then took this code from the documentation, thinking it would help trace the cuepoint when I published my movie (to test the video) private function onMetadataAdd(event:MediaElementEvent):void { if (event.namespaceURL == CuePoint.DYNAMIC_CUEPOINTS_NAMESPACE) { var timelineMetadata:TimelineMetadata = videoElement.getMetadata(CuePoint.DYNAMIC_CUEPOINTS_NAMESPACE) as TimelineMetadata; timelineMetadata.addEventListener(TimelineMetadataEvent.MARKER_TIME_REACHED, onCuePoint); } } private function onCuePoint(event:TimelineMetadataEvent):void { var cuePoint:CuePoint = event.marker as CuePoint; trace("Cue Point at " + cuePoint.time); } However, I don't get a trace message when the video hits 1 second. Can anyone help me?

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  • CakePHP 1.3 Plugin Shortcut Route

    - by Cake Baker
    Hi, I searched a lot around the web but I couldn't find any specific sollution to this. In CakePHP 1.3, different from 1.2, if you had a controller inside a plugin, and both had the same name, you could access through "<plugin>/<action>", and it would call the 'default' controller. But in 1.3, according to this: http://cakeqs.org/eng/questions/view/setting_up_magic_routes_for_plugins_in_cakephp_1_3 It was removed, and only the 'index' action in the default plugin controller can be accessed this way. I thought about adding extra code in my routes.php file, and loop through all the plugins in my app, making such routes for every action in the controllers named after the plugin, but it doesn't seem like it's the right thing to do... any other suggestions to make this work in 1.3? or at least some very specific code documentation of this particular change? I've already read something in the 1.3.0-RC4 annoucement, but it was not clear enough.. thanks

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  • Problems installing rdoc, irb, bluecloth, chronic on fedora 12

    - by Vineeth
    Hello, What do these errors mean? [root@localhost config]# gem install bluecloth Building native extensions. This could take a while... ERROR: Error installing bluecloth: ERROR: Failed to build gem native extension. /usr/bin/ruby extconf.rb can't find header files for ruby. Gem files will remain installed in /usr/lib64/ruby/gems/1.8/gems/bluecloth-2.0.7 for inspection. Results logged to /usr/lib64/ruby/gems/1.8/gems/bluecloth-2.0.7/ext/gem_make.out [root@localhost config]# And this [root@localhost config]# gem install chronic Successfully installed json_pure-1.4.3 Successfully installed rubyforge-2.0.4 Successfully installed hoe-2.6.0 Successfully installed chronic-0.2.3 4 gems installed /usr/lib64/ruby/gems/1.8/gems/rdoc-2.5.8/lib/rdoc/ruby_lex.rb:67: warning: parenthesize argument(s) for future version ERROR: While executing gem ... (Gem::DocumentError) ERROR: RDoc documentation generator not installed: no such file to load -- irb/slex [root@localhost config]# I have installed rdocs using "yum install ruby-rdocs". But I don't understand what this error means

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  • Query to return internal details about stored function in SQL Server database

    - by Anthony
    I have been given access to a SQL Server database that is currently used by 3rd party app. As such, I don't have any documentation on how that application stores the data or how it retrieves it. I can figure a few things out based on the names of various tables and the parameters that the user-defined functions takes and returns, but I'm still getting errors at every other turn. I was thinking that it would be really helpful if I could see what the stored functions were doing with the parameters given to return the output. Right now all I've been able to figure out is how to query for the input parameters and the output columns. Is there any built-in information_schema table that will expose what the function is doing between input and output?

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  • Domain-driven design with Zend

    - by mik
    This question is a continuation of my previous question here http://stackoverflow.com/questions/2122850/zend-models-architecture (big thanks to Bill Karwin). I've made some reading including this article http://weierophinney.net/matthew/archives/202-Model-Infrastructure.html and this question http://stackoverflow.com/questions/373054/how-to-properly-create-domain-using-zend-framework Now I understand, what domain driven design is. But examples are still very simple and poor. They are based on one table and one model. Now, my question is: do they use Domain Model Design in real-world PHP projects? I've been looking for some good documentation about this, but I haven't found anything good enough, that explains how to manage several tables and transfer them to Domain Objects. As long as I know, there is Hibernate library, that has this features in Java, but what should I use in PHP (Zend Framework)?

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  • How do I format positional argument help using Python's optparse?

    - by cdleary
    As mentioned in the docs the optparse.OptionParser uses an IndentedHelpFormatter to output the formatted option help, for which which I found some API documentation. I want to display a similarly formatted help text for the required, positional arguments in the usage text. Is there an adapter or a simple usage pattern that can be used for similar positional argument formatting? Clarification Preferably only using the stdlib. Optparse does great except for this one formatting nuance, which I feel like we should be able to fix without importing whole other packages. :-)

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  • I can create a cookie, but can't delete it from my iPhone app

    - by squeezemylime
    I am creating an iPhone app, and am using this method to create a cookie that will be accessed site-wide: NSMutableDictionary *cookieDictionary = [NSMutableDictionary dictionaryWithCapacity:4]; [cookieDictionary setObject:@"status" forKey:NSHTTPCookieName]; [cookieDictionary setObject:[self.usernameField text] forKey:NSHTTPCookieValue]; [cookieDictionary setObject:@"http://www.mydomain.com" forKey:NSHTTPCookieDomain]; [cookieDictionary setObject:@"/" forKey:NSHTTPCookiePath]; // Build the cookie. NSHTTPCookie *cookie = [NSHTTPCookie cookieWithProperties:cookieDictionary]; // Store the cookie. [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookie]; // Log the Cookie and display it for (cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) { NSLog(@"%@", cookie.value); } Now I am trying to delete it via the following method, but it isn't working, and the documentation isn't quite helping me: NSHTTPCookieStorage* cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage]; NSArray* theCookies = [cookieStorage cookiesForURL:[NSURL URLWithString:@"http://mydomain.com"]]; for (NSHTTPCookie *cookie in theCookies) { [cookieStorage deleteCookie:cookie]; }

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  • How to retrieve the GUID for Yahoo's Contacts API

    - by Jack Marchetti
    I'm attemping to use the Yahoo Contacts API to add an "invite your friends" feature on a site I'm building. I've found the correct web service to call (http://social.yahooapis.com/v1/user/{guid}/contacts) but it is asking for the user's GUID, not their username/password. I've searched, and am unable to find a "lookup" feature through the Yahoo API which lets me get the user's guid from their username/password. Does anyone have any experience with the Contacts API. I've reaad over the documentation, and looked at YQL as well, but I still haven't found how to get the user's guid. Thanks guys.

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  • (CKEditor) Looking for exhaustive list of commands and a way to set style...?

    - by humble_coder
    Hi All, I'm currently working with CKEditor (http://ckeditor.com/). I'm looking for: 1) an exhaustive list of commands available by default via 'execCommand'. 2) a mechanism by which to set styles (as in the same way the FONT and SIZE combo boxes do it). I saw the function called 'setStyle' in the documentation, however it seems to require an exact element. I can't for the life of me figure out how to do so based on the selection -- there is no way to use ID or CLASS, as the selected portions have none. I've posted to the forums but they don't seem to be terribly active as far as replies are concerned. Any assistance would be most appreciated. Best.

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  • Are there any differences between MSSQL and MySQL when it comes to preventing SQL injection?

    - by Derek Adair
    I am used to developing in PHP/MySQL and have no experience developing with MSSQL. I've skimmed over the PHP MSSQL documentation and it looks similar to MySQLi in some of the methods I read about. For example, with MySQL I utilize the function mysql_real_excape_string(). Is there a similar function with PHP/MSSQL? What steps do I need to take in order to protect against SQL injection with MSSQL? What are the differences between MSSQL and MySQL pertaining to SQL injection prevention?

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  • What is the best practise to create MSI with some other child MSI as prerequisite?

    - by sankar
    Currently we are using Innosetup as a bootstrapper to install the MSI prerequisites. It makes bit complex to maintain the setup. I found that burn tool which may help us to resolve this issue by having a single setup to install whatever we need. I could not find either documentation or sample for this tool. Is anyone have idea about this? or you can give me the alternate solution if you have. Looking for the alternate soltuion for the actions that we do with ISS bootstrapper now: Extract the files (Main setup, Prerequisite setup) Need to ensure prerequisites status and install on demand. Start main install.

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  • match at the beginning of any line, including the first

    - by JoelFan
    According the the Perl documentation on regexes: By default, the "^" character is guaranteed to match only the beginning of the string ... Embedded newlines will not be matched by "^" ... You may, however, wish to treat a string as a multi-line buffer, such that the "^" will match after any newline within the string ... you can do this by using the /m modifier on the pattern match operator. The "after any newline" part means that it will only match at the beginning of the 2nd and subsequent lines. What if I want to match at the beginning of any line (1st, 2nd, etc.)?

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  • How do you control the playback levels (decibles?) using the iPhone AVAudioPlayer? Or do I need to u

    - by Joshua
    My audio clips sound perfect when I upload them to the iPhone via iTunes. And I am pretty sure it is because the iPod has a maximum playback level, so the audio doesn't sound overdriven. In my app, I include the same audio files, and when I play them [myAudio play]; the levels are so high that the audio becomes indiscernible. I found in the library http://developer.apple.com/iphone/library/documentation/AVFoundation/Reference/AVAudioPlayerClassReference/Reference/Reference.html#//apple_ref/doc/uid/TP40008067-CH1-SW2 that it says that you can "Control relative playback level for each sound you are playing" but I've been searching this issue out for hours and I haven't gotten anywhere. Any help would be wonderful!

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