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• API numbers don't match on compiled PHP extension

  - by tixrus

  I'm trying to get GD into my PHP. I recently installed PHP5.3.0 on my system running Mac Leopard using mac ports. It did not come with the gd module. So I downloaded gd, compiled it as an extension module as per http://www.kenior.ch/macintosh/adding-gd-library-for-mac-os-x-leopard, made php.ini point to it, restarted apache etc. But no GD. So in apache error log it says PHP Warning: PHP Startup: gd: Unable to initialize module\nModule compiled with module API=20060613\nPHP compiled with module API=20090115\nThese options need to match\n in Unknown on line 0 So a bit of googling says I should not use the phpize I have before configuring and making these. I should use a new one called phpize5. I surely don't have any such thing. Unless its packed up inside something else in my php5.3. distro. Where do you get it. In Ubuntu I could just run sudo apt-get install php-dev, (apparently) and it would just appear by magic. At least that's what the webpage said. Unfortunately I am running MacOSX version Leopard. How can I build this GD module on Leopard so that it will match the API number in my PHP?

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• Problem building PHP extension module

  - by tixrus

  I'm trying to get GD into my PHP. So I compiled it, made php.ini point to it, restarted apache etc. But no GD. So in apache error log it says PHP Warning: PHP Startup: gd: Unable to initialize module\nModule compiled with module API=20060613\nPHP compiled with module API=20090115\nThese options need to match\n in Unknown on line 0 So a bit of googling says I should not use the phpize I have before configuring and making these. I should use a new one called phpize5. I surely don't have any such thing. Unless its packed up inside something else in my php5.3. distro. Where do you get it. In Ubuntu I could just run sudo apt-get install php-dev, (apparently) and it would just appear by magic. At least that's what the webpage said. Unfortunately I am running MacOSX version Leopard. How can I build this GD module so that it will match the API number in my PHP?

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• jQuery fn.extend ({bla: function(){}} vs. jQuery.fn.bla

  - by tixrus

  OK I think I get http://stackoverflow.com/questions/1991126/difference-jquery-extend-and-jquery-fn-extend in that the general extend can extend any object, and that fn.extend is for plugin functions that can be invoked straight off the jquery object with some internal jquery voodoo. So it appears one would invoke them differently. If you use general extend to extend object obj by adding function y, then the method would attach to that object, obj.y() but if you use fn.extend then they are attach straight to the jquery object $.y().... Have I got that correct yes or no and if no what do I have wrong in my understanding? Now MY question: The book I am reading advocates using jQuery.fn.extend ({a: function(){}, b: function(){}}); syntax but in the docs it says jQuery.fn.a (function(){}); and I guess if you wanted b as well it would be jQuery.fn.b (function(){}); Are these functionally and performance-wise equivalent and if not what is the difference? Thank you very much. I am digging jQuery!

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• How can I debug why this click handler never fires?

  - by tixrus

  I am going to be excrutiatingly detailed here. I am using Firefox 3.6.3 on Max OSX with Firebug 1.5.3. I have two versions of a project, one which works and one with a bug. One I downloaded and one I typed by hand. Take a guess which one doesn't work. They should be the same except that mine uses a newer version of jQuery and the files are named differently. jQuery version is not the issue. I made mine use the older jquery and I made the working one use the newer jquery. Either way, mine still broke and the downloaded one still works. I've busted my eyes trying to see how these projects are different. The only thing I don't want to do is copy the working code to the busted code because I need to be able to figure this stuff out when it is my own unique code causing similar issues. There are no errors that I can see in Firebug in my code, in fact, 2/3 of it works just fine. just the second button does nothing. So I wanted to step through. These are always eyeball errors and I really suck at seeing them. I put it on a public server. http://colleenweb.com/jqtests/ex71.html And I want to debug ex71.js If you firebug the working one and set a break point at line 13 in ex71.js the variable json has the expected values when you click on the second button. But If you firebug this one, it never gets there. I've been over the html and all the names of everything seem to match up. I also wonder why the buttons aren't right justified but that's a css thing. Please tell me what I'm missing, and more importantly, what tool/technique I could use to find these types of bugs.

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• trouble with utf-8 chars & apache2 rewrite rules

  - by tixrus

  I see the post http://stackoverflow.com/questions/2565864/validating-utf-8-in-htaccess-rewrite-rule and I think that is great, but a more fundamental problem I am having first: I needed to expand to handle utf-8 chars for query string parameters, names of directories, files, and used in displays to users etc. I configured my Apache with DefaultCharset utf-8 and also my php if that matters. My original rewrite rule filtered everything except regular A-Za-z and underscore and hyphen. and it worked. Anything else would give you a 404 (which is what I want!) Now, however it seems that everything matches, including stuff I don't want, however, although it seems to match it doesn't go in the query string unless it is a regular A-Za-z_- character string. I find this confusing, because the rule says put whatever you matched into the query string: Here is the original rule: RewriteRule ^/puzzle/([A-Za-z_-]+)$ /puzzle.php?g=$1 [NC] and here is the revised rule: RewriteRule ^/puzzle/(\w+)$ /puzzle.php?g=$1 [NC] I made the change because somewhere I read that \w matches ALL the alpha chars where as A-Zetc. only matches the ones without accents and stuff. It doesn't seem to matter which of those rules I use: Here is what happens: In the application I have this: echo $_GET['g']; If I feed it a url like http://mydomain.com/puzzle/USA it echoes out "USA" and works fine. If I feed it a url like http://mydomain.com/puzzle/México it echoes nothing for that and warns me that index g is not defined and of course doesn't get resources for Mexico. if I feed it a url like http://mydomain.com/puzzle/fuzzle/buzzle/j.qle it does the same thing. This last case should be a 404! And it does this no matter which of the above rules I use. I configured a rewrite log RewriteLogLevel 5 RewriteLog /opt/local/apache2/logs/puzzles.httpd.rewrite but it is empty. Here is from the regular access log (it gives a status of 200) [26/May/2010:11:21:42 -0700] "GET /puzzle/M%C3%A9xico HTTP/1.1" 200 342 [26/May/2010:11:21:54 -0700] "GET /puzzle/M/l.foo HTTP/1.1" 200 342 What can I do to get these $%#$@(*#@!!! characters but not slash, dot or other non-alpha into my program, and once there, will it decode them correctly??? Would posix char classes work any better? Is there anything else I need to configure?

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• Get the parent id..

  - by tixrus

  I have a bunch of elements like the following: <div class="droppableP" id="s-NSW" style="width:78px; height:63px; position: absolute; top: 223px; left: 532px;"> </div> They all have class droppableP but different id's obviously and I would like to factor the code in this script I am hacking on. The original script just has a specific selector for each of one of these divs, but the code is all alike except for the id it does things to, which is either the id of the parent or another div with a name that's related to it. Here is the original code specifically for this div: $("#s-NSW > .sensible").droppable( { accept : "#i-NSW", tolerance : 'intersect', activeClass : 'droppable-active', hoverClass : 'droppable-hover', drop : function() { $('#s-NSW').addClass('s-NSW'); $('#s-NSW').addClass('encastrada'); //can't move any more.. $('#i-NSW').remove(); $('#s-NSW').animate( { opacity: 0.25 },200, 'linear'); checkWin(); } }); Here is how I would like to factor so the same code can do all of them and I will eventually do chaining as well and maybe get rid of the inline styles but here is my first go: $(".droppableP > .sensible").droppable( { accept : "#i" + $(this).parent().attr('id').substring(2), tolerance : 'intersect', activeClass : 'droppable-active', hoverClass : 'droppable-hover', drop : function() { $(this).parent().addClass($(this).parent().attr('id')); $(this).parent().addClass('encastrada'); $("#i" + ($this).parent().attr('id').substring(2)).remove(); $(this).parent().animate( { opacity: 0.25 },200, 'linear'); checkWin(); } }); The error I get is $(this).parent().attr("id") is undefined Many thanks. I have browsed related questions the one I understand that's closest to mine, turns out they didn't need parent function at all. I'm kind of a noob so please don't yell at me too hard if this is a stupid question.

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• how to set the background image property of a div to a dynamically generated image

  - by tixrus

  I have some divs and each one has its own background image. The base images as stored is just a black silhouette. What I would like to do is use the PHP GD package to modify the color of those images somewhat randomly and have the modified randomly coloured images be the background images of the divs. One way to do it is just create GD images structures from the original files, modify them, save the results as a temp file, pass this filename into the client, and then use jquery to modify the css background image properties of the divs to be the new file. But this is going to leave a lot of files laying around to garbage collect. Is there some way to do it without creating a bunch of files?

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• retrieving background image from div when dynamically set

  - by tixrus

  I am having an issue with setting the background-image of a #x to the background image of #y. Correct me if I am wrong but I think you would do this in a simple case by saying $('#x').css('background-image',$('#y').css('background-image')); The problem is that when y was initially set up, it was set up like this: <div id='y' style='background-image: url(./randomcolor.php?ibase=<?php echo $entity->name; ?>) .... So when it does it, it is getting the URL of the generator, and javascript is just regarding that as a string. Do I have to do an ajax get here, or is there some kind of eval I could use.

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• Is there a way in PHP to check if a directory is a symlink?

  - by tixrus

  The title says it all. I have symlinks to certain directories because the directories' names have non English characters that I got fed up trying to get apache's rewrite rules to match. There's a bounty on that question http://stackoverflow.com/questions/2916194/trouble-with-utf-8-chars-apache2-rewrite-rulesif anyone wants to go for it, and from the looks of things a lot of people would like to see a general solution to this problem, but meanwhile I made a plain ascii symlink to each of these offending directories. Now the rewrite rules are back to just alpha and _ and - and my security concerns are less and it loads the resources I want. But I still need the actual target directory name for display purposes. I googled "PHP directory info, PHP symlink" but didn't find anything. I need to do something like this: if (is_symlink($myResDirName)) { $realDirName = follow_symlink($myResDirName); }

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