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  • How do I refer to a view controller in a subclass?

    - by thekevinscott
    Hey all, I'm currently teaching myself Objective C and I'm kind of stuck. I'm building a backgammon game and I have a subclass, "Piece", which is being initialized, repeatedly, in BackGammonViewController. In BackGammonViewController, if I do this: UIImage *myImage = [ UIImage imageNamed: @"white-piece.png" ]; UIImageView *myImageView = [ [ UIImageView alloc ] initWithImage: myImage ]; [self.view addSubview:myImageView]; [myImageView release]; The image appears. However, I want to do this within my "piece" class. How do I refer to the "self.view" from within the piece class? Do I need to pass a reference to the view, into the "piece class" ? Or is there a global reference I can call from within the "piece class" ? Thanks for your help.

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  • Import text file crunching library for Java/Groovy ?

    - by devdude
    In a lot of real life implementations of applications we face the requirement to import some kind of (text) files. Usually we would implement some (hardcoded?) logic to validate the file (eg. proper header, proper number of delimiters, proper date/time value,etc.). Eventually also need to check for the existence of related data in a table (eg. value of field 1 in text file must have an entry in some basic data table). While XML solves this (to some extend) with XSD and DTD, we end up hacking this again and again for proprietary text file formats. Is there any library or framework that allows the creation of templates similar to the xsd approach ? This would make it way more flexible to react on file format changes or implement new formats. Thanks for any hints Sven

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  • OpenGL: small black pixel on top right corner of texture

    - by user308226
    I wrote an uncompressed TGA texture loader and it works nearly perfect, except for the fact that there's just one TINY little black patch on the upper right and it's driving me mad. I can get rid of it by using a texture border, but somehow I think that's not the practical solution. Has anyone encountered this kind of problem before and knows -generally- what's going wrong when something like this happens, or should I post the image-loading function code? Here's a picture, the little black dot is REALLY small. http://img651.imageshack.us/img651/2230/dasdwx.png

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  • jQuery - iGoogle style interface

    - by samhamilton
    Hi all, I'm currently working on developing a customizable website layout using jQuery, so I can drag, drop, add and remove blocks of content... much like the iGoogle interface. I have my blocks dragging and dropping working with 3 columns of content My question is to do with adding and removing blocks If I use hide(), I can simply hide and show the blocks. If I use remove, I would have to append the list of blocks to load in a new block into a column. I'm not sure which is the best approach to take. I'd be grateful for any advice on best practise, i.e. to hide() or remove() and any other advice on building this kind of interface. Thank, Sam.

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  • Is there a way to tell Drupal not to cache a specific page?

    - by TechplexEngineer
    I have a custom php page that processes a feed of images and makes albums out of it. However whenever i add pictures to my feed, the Drupal page doesn't change until I clear the caches. Is there a way to tell Drupal not to cache that specific page? Thanks, Blake Edit: Drupal v6.15 Not exactly sure what you mean oswald, team2648.com/media is hte page. I used the php interpreter module. Here is the php code: <?php //////// CODE by Pikori Web Designs - pikori.org /////////// //////// Please do not remove this title, /////////// //////// feel free to modify or copy this software /////////// $feedURL = 'http://picasaweb.google.com/data/feed/base/user/Techplex.Engineer?alt=rss&kind=album&hl=en_US'; $photoNodeNum = 4; $galleryTitle = 'Breakaway Pictures'; $year = '2011'; ?> <?php /////////////// DO NOT EDIT ANYTHING BELOW THIS LINE ////////////////// $album = $_GET['album']; if($album != ""){ //GENERATE PICTURES $feedURL= "http://".$album."&kind=photo&hl=en_US"; $feedURL = str_replace("entry","feed",$feedURL); $sxml = simplexml_load_file($feedURL); $column = 0; $pix_count = count($sxml->channel->item); //print '<h2>'.$sxml->channel->title.'</h2>'; print '<table cellspacing="0" cellpadding="0" style="font-size:10pt" width="100%"><tr>'; for($i = 0; $i < $pix_count; $i++) { print '<td align="center">'; $entry = $sxml->channel->item[$i]; $picture_url = $entry->enclosure['url']; $time = $entry->pubDate; $time_ln = strlen($time)-14; $time = substr($time,0,$time_ln); $description = $entry->description; $tn_beg = strpos($description, "src="); $tn_end = strpos($description, "alt="); $tn_length = $tn_end - $tn_beg; $tn = substr($description, $tn_beg, $tn_length); $tn_small = str_replace("s288","s128",$tn); $picture_url = $tn; $picture_beg = strpos($picture_url,"http:"); $picture_len = strlen($picture_url)-7; $picture_url = substr($tn, $picture_beg, $picture_len); $picture_url = str_replace("s288","s640",$picture_url); print '<a rel="lightbox[group]" href="'.$picture_url.'">'; print '<img '.$tn_small.' style="border:1px solid #02293a"><br>'; print '</a></td> '; if($column == 4){ print '</tr><tr>'; $column = 0;} else $column++; } print '</table>'; print '<br><center><a href="media">Return to album</a></center>'; } else { //GENERATE ALBUMS $sxml = simplexml_load_file($feedURL); $column = 0; $album_count = count($sxml->channel->item); //print '<h2>'.$galleryTitle.'</h2>'; print '<table cellspacing="0" cellpadding="0" style="font-size:10pt" width="100%"><tr>'; for($i = 0; $i < $album_count; $i++) { $entry = $sxml->channel->item[$i]; $time = $entry->pubDate; $time_ln = strlen($time)-14; $time = substr($time,0,$time_ln); $description = $entry->description; $tn_beg = strpos($description, "src="); $tn_end = strpos($description, "alt="); $tn_length = $tn_end - $tn_beg; $tn = substr($description, $tn_beg, $tn_length); $albumrss = $entry->guid; $albumrsscount = strlen($albumrss) - 7; $albumrss = substr($albumrss, 7, $albumrsscount); $search = strstr($time, $year); if($search != FALSE || $year == ''){ print '<td valign="top">'; print '<a href="/node/'.$photoNodeNum.'?album='.$albumrss.'">'; print '<center><img '.$tn.' style="border:3px double #cccccc"><br>'; print $entry->title.'<br>'.$time.'</center>'; print '</a><br></td> '; if($column == 3){ print '</tr><tr>'; $column = 0; } else { $column++; } } } print '</table>'; } ?>

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  • Where I can find an engine like OFPS Open Feedback Publishing

    - by microspino
    I'd like to write a little book on personal topics together with two friends of mine, remotely located. Do you know of any FOSS content publishing system like the one from O'Reilly (OPFS)? I saw the one that powers the django book but It seems that the code It's not released yet. I accept any kind of backend technology for this project. I'd like to: edit the book on the web and let my friend do the same after authentication. anyone of us could comment other's entries.

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  • goo.gl Api: How to know if URL was added to user's history?

    - by Manuel
    I'm using the goo.gl API as described here. It's easy to use and it works with or without authantication (I'm using OAuth). So, if I provide the OAuth token / secret, the shortened URL is added to the users history. My problem is, that I would like to show to the user that the shortened URL was added to his goo.gl history. The respone you get from the shortening request, however, is always the same, whether you use authorization or not: { "kind": "urlshortener#url", "id": "http://goo.gl/fbsS", "longUrl": "http://www.google.com/" } So, does anyone know a way to find out, if the shortened URL was successfully added to the user's history? Is there a parameter you can add to the request URL that leads to a more detailed result string?

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  • MySQL Dynamicly determine the tabel to use with inner join

    - by user366990
    He guys, I'm stuck with a problem and I hope someone can help me out. I have a date. For example 2009-10-1. This date is used to check in which season I am working. This could be summer or winter. If whe are in the summer the table to use for my inner join whould be 'summer09_rooms'. If winter 'winter09_rooms'. So I basicly whant to do a CASE WHEN in my INNER JOIN. How to accomplish this. The query would look like this: SELECT name, arrival_date, departure_date FROM holliday a INNER JOIN ( CASE when arrival_date BETWEEN 2009-10-1 AND 2009-4-1 THEN summer09_rooms b ELSE winter09_rooms b END ) ON a.dossier=b.dossier Of course this query isn't working but now I hope you'l see what I want to accomplish. Kind regards, Digital Human

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  • Socket programming and telnet with VB.net

    - by Mike
    I'm writing a GUI-based app in VB.net that talks to a LambdaMOO server via telnet, sends commands to display the object hierarchy, then parses the output and creates a visual representation of the object hierarchy. So my question is: is there some kind of "telnet client" class for .NET to simplify the sending and receiving of data, or do I have to write my own using the socket API? Does Mono have something like this? Barring an easy solution, does anyone have a good tutorial they can point to for telnet client programming in VB.net?

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  • How to read line by line a CR-only file with Perl?

    - by Subb
    Hi, I'm trying to read a file which has only CR as line delimiter. I'm using Mac OS X and Perl v.5.8.8. This script should run on every platform, for every kind of line delimiter (CR, LF, CRLF). My current code is the following : open(FILE, "test.txt"); while($record = <FILE>){ print $record; } close(TEST); This currently print only the last line (or worst). What is going on? Obvisously, I would like to not convert the file. Is it possible?

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  • Stream classes ... design, pattern for creating views over streams

    - by ToxicAvenger
    A question regarding the design of stream classes - I need a pattern to create independent views over a single stream instance (in my case for reading). A view would be a consecutive part of the stream. The problem I have with the stream classes is that the state (reading or writing) is coupled with the underlying data/storage. So if I need to partition a stream into different segments (whether segments overlap or not doesn't matter), I cannot easily create views over the stream, the views would store start and end position. Because reading from a view - which would translate to reading from the underlying stream adjusted based on the start/end positions - would change the state of the underlying stream instance. So what I could do is take a read on a view instance, adjust the Position of the stream, read the chunks I need. But I cannot do that concurrently. Why is it designed in such a way, and what kind of pattern could I implement to create independet views over a single stream instance which would allow to read/write independently (and concurrently)?

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  • Data Mining open source tools

    - by Andriyev
    Hi I'm due to take up a project which is into data mining. Before I jump in I wanted to probe around for different data mining tools (preferably open source) which allows web based reporting. In my scenario the all the data would be provided to me, so I'm not supposed to crawl for it. In n nutshell, am looking for a tool which does - Data Analysis, Web based Reporting, provides some kind of a dashboard and mining features. I have worked on the Microsoft Analysis Services and BOXI and off late I have been looking at Pentaho, which seems to be a good option. Please share your experiences on any such tool which you know of. cheers

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  • My site was recently attacked. What do I do?

    - by ChrisH
    This is a first for me. One of the sites I run was recently attacked. Not at all an intelligent attack - pure brute force - hit every page and every non-page with every extension possible. Posted with garbage data to every form and tried to post to some random urls too. All tod, 16000 requests in one hour. What should I do to prevent/alert this kind of behavior? Is there a way to limit the request/hr for a given ip/client? Is there a place I should be reporting the user to? They appear to be from China and did leave what seems like a valid e-mail.

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  • DailyRollingFileHandler ---- Files should be rotated on a daily basis

    - by nag
    We have a requirment which requires to have an Handler that is extended from Java logging and allows to have the files rotated on daily basis. Currently Java util logging do have the support of rotation based on file size by using File Handler. It doesnt support rotation on daily basis. http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6350749 Mentioned handler seems is not promising .http://www.x4juli.org/api/org/x4juli/handlers/RollingFileHandler.html So , what we are looking is for such an appender that allows daily rotation . We would like to write such handler and which is the appropriate handler to extend for ... StreamHandler or FileHandler ? And other questions are , is there way we can configure 2 different files for a single handler say FileHandler say for eg , we would like some kind of messages need to be captured in one file and other messages in other file. Would appreciate for any comments.

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  • Dealing with Anti-Microsoft Trolls on The Internet

    - by FlySwat
    I'm an active member on Programming Reddit, but I'm one of the few C# advocates there. I could write up a 3 paragraph explanation of how to do something there, just to have it voted into the negatives because I used C# as an example. As a developer using the "Microsoft Stack", how do you handle the trolls and bigots in the online world? These are the kind of people who say things like "M$", or that Vista sucks without ever booting up. Do you just ignore the trolls?

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  • Better exception for non-exhaustive patterns in case

    - by toofarsideways
    Is there a way to get GHCi to produce better exception messages when it finds at runtime that a call has produced value that does not match the function's pattern matching? It currently gives the line numbers of the function which produced the non-exhaustive pattern match which though helpful at times does require a round of debugging which at times I feel is doing the same set of things over and over. So before I tried to put together a solution I wanted to see if something else exists. An exception message that in addition to giving the line numbers shows what kind of call it attempted to make? Is this even possible?

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  • python iterators and thread-safety

    - by Igor
    I have a class which is being operated on by two functions. One function creates a list of widgets and writes it into the class: def updateWidgets(self): widgets = self.generateWidgetList() self.widgets = widgets the other function deals with the widgets in some way: def workOnWidgets(self): for widget in self.widgets: self.workOnWidget(widget) each of these functions runs in it's own thread. the question is, what happens if the updateWidgets() thread executes while the workOnWidgets() thread is running? I am assuming that the iterator created as part of the for...in loop will keep some kind of reference to the old self.widgets object? So I will finish iterating over the old list... but I'd love to know for sure.

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  • MinGW and "delcaration does not declare anything"

    - by Bob Somers
    I'm working on converting a Linux project of mine to compile on Windows using MinGW. It compiles and runs just fine on Linux, but when I attempt to compile it with MinGW it bombs out with the following error message: camera.h:11: error: declaration does not declare anything camera.h:12: error: declaration does not declare anything I'm kind of baffled why this is happening, because I'm using the same version of g++ (4.4) on both Linux and Windows (via MinGW). The contents of camera.h is absurdly simple. Here's the code. It's choking on lines 11 and 12 where float near; and float far; are defined. #include "Vector.h" #ifndef _CAMERA_H_ #define _CAMERA_H_ class Camera{ public: Vector eye; Vector lookAt; float fov; float near; float far; }; #endif Thanks for your help.

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  • Why doesn't a LinkButton work with a table as it's content?

    - by Telos
    Using ASP.NET 3.5, you can create a LinkButton then define content inside of it. It works fine if I have div tags or any kind of text or anything, but if I use a table the click doesn't actually post back for some reason. This should take you to google (you'll get an error there but it should still go) for instance: <asp:LinkButton ID="lbTest" PostBackUrl="http://www.google.com" runat="server"> <table> <tr> <td>Test</td> <td>col2</td> <td>col3</td> </tr> </table> </asp:LinkButton> I could work around it by building a "table" with divs I guess, but I hate formatting with divs.

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  • Is using os.path.abspath to validate an untrusted filename's location secure?

    - by mcmt
    I don't think I'm missing anything. Then again I'm kind of a newbie. def GET(self, filename): name = urllib.unquote(filename) full = path.abspath(path.join(STATIC_PATH, filename)) #Make sure request is not tricksy and tries to get out of #the directory, e.g. filename = "../.ssh/id_rsa". GET OUTTA HERE assert full[:len(STATIC_PATH)] == STATIC_PATH, "bad path" return open(full).read() Edit: I realize this will return the wrong HTTP error code if the file doesn't exist (at least under web.py). I will fix this.

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  • Is there a Cart/Catalog app out there that isnt a full site?

    - by prodigitalson
    Every solution i come across seems to be a complete store with far too many options and too much functionality. I can write my own cart to get the minimal functionality i need out of the frontend, im just trying to cut out the time writing a complex backend. What im really looking for is something that offers the backend functionality for a product catalog, order management, etc. while providing a smooth and consistent API to access the data for my completely custom frontend application. The frontend will be in PHP so the API would have to be native PHP or some kind of web service interface i can create my own php models around. It would need to run on a LAMP stack and would preferably be written in PHP, Python, or Ruby just in case i need to customize the backend (she curently has ZenCart and hates it - says its far too complicated and sophisticated for her needs). Does such a thing exist? Or what would be the next best thing?

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  • django 'urlize' strings form text just like twitter

    - by dana
    heyy there i want to parse a text,let's name it 'post', and 'urlize' some strings if they contain a particular character, in a particular position. my 'pseudocode' trial would look like that: def urlize(post) for string in post if string icontains ('#') url=(r'^searchn/$', searchn, name='news_searchn'), then apply url to the string return urlize(post) i want the function to return to me the post with the urlized strings, where necessary (just like twitter does). i don't understand: how can i parse a text, and search for certain strings? is there ok to make a function especially for 'urlizing' some strings? The function should return the entire post, no matter if it has such kind of strings. is there another way Django offers? Thank you

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  • Is it possible to have an out-of-process COM server where a separate O/S process is used for each ob

    - by Tom Williams
    I have a legacy C++ "solution engine" that I have already wrapped as an in-process COM object for use by client applications that only require a single "solution engine". However I now have a client application that requires multiple "solution engines". Unfortunately the underlying legacy code has enough global data, singletons and threading horrors that given available resources it isn't possible to have multiple instances of it in-process simultaneously. What I am hoping is that some kind soul can tell me of some COM magic where with the flip of a couple of registry settings it is possible to have a separate out-of-process COM server (separate operating system process) for each instance of the COM object requested. Am I in luck?

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  • In what language was MSDOS originally written?

    - by nebukadnezzar
    In what language was MSDOS originally written in? The Wikipedia Article implies either C, QBasic or Pascal, but: C was invented to write UNIX, so I don't believe it was used to write MSDOS Pascal seems popular to teach programming, but not really popular to write Operating systems in QBasic didn't seem to be very popular for Operating Systems at the time MSDOS was developed (or was *BASIC ever very popular to write Operating Systems in it?) Except these three languages there is also Assembly, but I assume that Microsoft already switched from Assembly to a "higher" level language? Since C was originally invented for UNIX, I still wouldn't think Microsoft is using C... although the Microsoft API is written in C (I find this kind-of oxymoronic, actually). Can anyone enlighten me on this topic?

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  • Selecting an item from a very large list

    - by Ben Fulton
    Suppose I have a list of a couple of thousand organizations and a user needs to be able to select one of them. The list is too large to populate in a dropdown at page load, and the user often knows what they want but it's not the first part of the organization name. That is, they know "Collections" but not that the precise name of the organization is "Department of Collections". So the user will need/want to type in some information. It's easy enough to use an autocompleting textbox of some kind, but I don't want to allow the user to type in random text - they have to choose one of the organizations explicitly. What's the best solution?

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