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  • Need help using UIImagePNGRepresentation

    - by mustanggal511
    I'm trying to save a UIImageView image to a png file, and then use that file as a GLTexture. I'm having trouble with this, when I try to run my code in the simulator, XCode says it succeeded, but the simulator crashes with no error messages. Can someone help me with this? Here is my code: NSString *dataFilePath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/Picture.png"]; NSData *imageData = UIImagePNGRepresentation(imageView.image); [imageData writeToFile:dataFilePath atomically:YES]; // Load image into texture loadTexture("Picture.png", &Input, &renderer);

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  • How to Embed Image in Outlook Signature?

    - by BlackMael
    Is it possible to create an HTML email signature for Outlook 2003 or above that doesn't reference external images? That is, using those special "cid" reference but embed the image itself in the signature and not on the file system or network. This is for an web application that generates a "standard" email signature based on various input from a user. It has worked fine so far with a single "embedded" image. But a new feature is going to require the possible addition of multiple tiny images. Getting to user to save one email signature template and one image to the user's machine is about the limit of what I'd like to require of the user. But forcing the user to save multiple images seem to be pushing things a little to far in my opinion. So my problem is trying to embed the images into without having to inconvenience the user with multiple downloads first.

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  • status update error (null field)

    - by ejah85
    hai guys... i .ve the problem that i cannot be recovered yet... i have one form where admin need to approve or reject the booking request... i've set the b_status field in table usage IN PROCESS default value... i want to update the b_status value BOOKING APPROVED when user click APPROVE button.. otherwise, the b_status will update the value as BOOKING REJECTED when user click on the REJECT button here's is the form code: <?php $db = mysql_connect('localhost','root') or die ("unable to connect"); mysql_select_db('fyp',$db) or die ("able to select"); $sql="SELECT * FROM vehicle WHERE v_status='READY'"; $result = mysql_query($sql) or die ("Query failed!"); ?> <tr><td>&nbsp;</td></tr> <tr> <tr> <td width="200"><font face="Arial" size="2" font color="#000000">Registration Number </font></td> <td><select name="regno"> <option value="" selected>--Registration No--</option> <?php while($row = mysql_fetch_array($result)){?> <option value="<?php echo $row['regno']; ?>"><?php echo $row['regno']; ?></option> <?php } ?> </select></td> <td><font face="Arial" size="2" font color="#000000">Reason</font></td> <td><textarea name="reason" rows="3" cols="50 "value = ""></textarea></td> </tr> <?php $db = mysql_connect('localhost','root') or die ("unable to connect"); mysql_select_db('fyp',$db) or die ("able to select"); $sql="SELECT * FROM driver WHERE d_status='READY'"; $result = mysql_query($sql) or die ("Query failed!"); ?> <tr> <td><font face="Arial" size="2" font color="#000000">Driver</font></td> <td><select id = "d_name" name="d_name"> <option value="" selected>--Driver Name--</option> <?php while($row = mysql_fetch_array($result)){?> <option value="<?php echo $row['d_name']; ?>"><?php echo $row['d_name']; ?></option> <?php } ?> </select></td> </tr> <tr> <?php mysql_close($db); ?> </table> <p></p> <center><input name="APPROVED" type="submit" id="APPROVED" value="APPROVED"> <input name="REJECT" type="submit" id="REJECT" value="REJECT"> </center> </div> </center> and this is the process page code: <?php $db = mysql_connect('localhost','root') or die ("unable to connect"); mysql_select_db('fyp',$db) or die ("able to select"); $bookingno=mysql_real_escape_string($_POST['bookingno']); $username=mysql_real_escape_string($_POST['username']); $name=mysql_real_escape_string($_POST['name']); $department=mysql_real_escape_string($_POST['department']); $g_date=mysql_real_escape_string($_POST['g_date']); $g_time=mysql_real_escape_string($_POST['g_time']); $r_date=mysql_real_escape_string($_POST['r_date']); $r_time=mysql_real_escape_string($_POST['r_time']); $destination=mysql_real_escape_string($_POST['destination']); $pass_num=mysql_real_escape_string($_POST['pass_num']); $trip_purpose=mysql_real_escape_string($_POST['trip_purpose']); $regno=mysql_real_escape_string($_POST['regno']); $d_name=mysql_real_escape_string($_POST['d_name']); $reason=mysql_real_escape_string($_POST['reason']); $b_status=mysql_real_escape_string($_POST['b_status']); $sql = "INSERT INTO `usage` VALUES('$bookingno','$username','$name','$department','$g_date','$g_time','$r_date','$r_time','$destination', '$pass_num','$trip_purpose','$regno','$d_name','$reason','$b_status')"; $query = "INSERT INTO `usage` VALUES b_status ='BOOKING APPROVED'"; $result = @mysql_query($query); $query1 = "UPDATE driver SET d_status ='OUT' WHERE '$d_name'=d_name"; $result1 = @mysql_query($query1); if(isset($_POST['APPROVED'])) { $query2 = "UPDATE `usage` SET b_status ='BOOKING APPROVED' WHERE '$b_status'='IN PROCESS'"; $result2 = @mysql_query($query2); } if (isset($_POST['REJECT'])) { $query3 = "UPDATE `usage` SET b_status ='BOOKING REJECTED' WHERE '$b_status'='IN PROCESS'"; $result3 = @mysql_query($query3); } //$result = mysql_query($sql) or die ("error!"); $result = mysql_query($sql) or trigger_error (mysql_error().' in '.$sql); i.ve the problem on the b_status field.. plz guys... help me ya :-)

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  • I want to use VI-like commands in Web Browser?

    - by Frank
    I love VI and I'm looking for a plugin of some sort that would allow me to input text in my browser (preferably Firefox or Chrome) using VI commands. It would save me an immense amount of time and at the same time when writing long emails. Can anyone think of any plugins that would allow me to do this? I was hopeful with Vimperator (https://addons.mozilla.org/en-US/firefox/addon/4891) but after installing it, I realized that it didn't do the one VI think I wanted to do: create or edit a text box with VI commands. It just allowed me to do Browser commands and scrolling in VI-style.

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  • ADC code in with atmega32

    - by Komal
    uint read_adc(uchar adc_input) { ADMUX=adc_input | (0x00 & 0xff); delay_us(10); ADCSRA|=0x40; //START THE CONVERSION while ((ADCSRA & 0x10)==0); // wait for the conversion to complete ADCSRA|=0x10; //clear the ADC flag return ADCW; } Q: Whats the meaning of "ADMUX=adc_input | (0x00 & 0xff)" ? which input channel we have selected here ?

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  • Station ID - more than IP

    - by bensiu
    Hello I am working on internal PHP application where users login only from our network (we are on dedicated IP and application is checking $_SERVER['REMOTE_ADDR'] and if is match our IP go thru if not - Bye However how I can identify from which station user is login ? Using cookie not gonna work - those are windows station working under control MS StedyState and all cookies are deleted every login I don't need nothing fancy like full MAC address just any unique ID (can not be application username - because users use different stations) Any ideas ? Maybe Javascript is able to grab some Unique detail from station's browser (IE 8) and pass this as hidden input? bensiu

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  • .NET & ASP vs PHP

    - by gargantaun
    Earlier today I asked wether it would be a good idea to develop websites using C#. Most of the answers pointed towards .NET and ASP. Currently I develop with PHP. I've dabbled with Python and RoR but I always come back to PHP. This is the first time I've looked at .NET and ASP. A bucket load of Google searches later I'm not really seeing much support for ASP online but then it all seems a bit Biased towards PHP/Apache/MySQL. It looks like there's a fair amount of .NET and ASP folk around here so I figured it's worth a shot asking for their input in attempt to try and address the balance in my own head. It can't all be bad. What advantages are there to .NET and ASP over PHP?

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  • Given a number of rectangles that can be rotated, find an enclosing rectangle of minimum area

    - by efficiencyIsBliss
    So, I'm trying to implement an algorithm that takes in a number of rectangles as input and tries to pack them into a rectangle of minimum area. The rectangles can all be rotated by 90 degrees. I realize that this is similar to the bin packing problem, but I am unable to find a good algorithm that accounts for the rotation. I found a paper that discusses this at length here and while I understand the article itself, I was hoping to find something simpler. Any suggestions? -Edit- I think I misstated the problem earlier. We are given a number of rectangles, such that each can be rotated by 90 degrees. We need to find a rectangle that fits all the given rectangles such that no two rectangles overlap, while minimizing the area of the enclosing rectangle. The problem I face here is that we are asked to find the minimum, as opposed to being given an enclosing rectangle and checking if the given rectangles fit or something of that sort.

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  • What's wrong with my logic (Java syntax)

    - by soda
    I'm trying to make a simple program that picks a random number and takes input from the user. The program should tell the user if the guess was hot (-/+ 5 units) or cold, but I never reach the else condition. Here's the section of code: public static void giveHint (int guess) { int min = guess - 5; int max = guess + 5; if ((guess > min) && (guess < max)) { System.out.println("Hot.."); } else { System.out.println("Cold.."); } }

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  • Validate zip and display error with onBlur event

    - by phil
    Check if zip is 5 digit number, if not then display 'zip is invalid'. I want to use onBlur event to trigger the display. But it's not working. <script> $(function(){ function valid_zip() { var pat=/^[0-9]{5}$/; if ( !pat.test( $('#zip').val() ) ) {$('#zip').after('<p>zip is invalid</p>');} } }) </script> zip (US only) <input type="text" name='zip' id='zip' maxlength="5" onBlur="valid_zip()">

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  • How do you validate a URL with a regular expression in Python?

    - by Zachary Spencer
    I'm building a Google App Engine app, and I have a class to represent an RSS Feed. I have a method called setUrl which is part of the feed class. It accepts a url as an input. I'm trying to use the re python module to validate off of the RFC 3986 Reg-ex (http://www.ietf.org/rfc/rfc3986.txt) Below is a snipped which should work, right? I'm incredibly new to Python and have been beating my head against this for the past 3 days. p = re.compile('^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?') m = p.match(url) if m: self.url = url return url

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  • Why won't the following Clojure code tail a file via ssh?

    - by Zubair
    The following code never manages to tail a file. It simply hangs waiting for reader input. Has anyone tried anything similar? (def output (ref [] )) (import 'ch.ethz.ssh2.Connection) (import 'ch.ethz.ssh2.Session) (import 'ch.ethz.ssh2.StreamGobbler) (import 'java.lang.StringBuilder) (import 'java.io.InputStream) (import 'java.io.BufferedReader) (import 'java.io.InputStreamReader) (let [connection (new Connection "hostname")] (. connection connect) (let [ok (. connection authenticateWithPassword "username" "password" ) session (. connection openSession )] (. session execCommand "tail -f filename.txt") (let [sb (StringBuilder.) stdout (StreamGobbler. (. session getStdout)) br (BufferedReader. (InputStreamReader. stdout)) ] (future (loop [line2 (. br readLine)] (if (= line2 nil) nil (do (dosync (ref-set output (conj @output line2))) (recur (. br readLine)))) ) ) ) ) )

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  • rails - Redirecting console output to a file

    - by egarcia
    On a bash console, if I do this: cd mydir ls -l > mydir.txt The operator captures the standard input and redirects it to a file; so I get the listing of files in mydir.txt instead of in the standard output. Is there any way to do something similar on the rails console? I've got a ruby statement that generates lots of prints (~8k lines) and I'd like to be able to see it completely, but the console only "remembers" the last 1024 lines or so. So I thought about redirecting to a file - If anyone knows a better option, I'm all ears.

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  • Compiled query using list of class objects in C#

    - by Sukan
    Hello , Can somebody help me out in creating compiled queries where input is to be a list of class objects? I have seen examples where Func<DataContext, somematchobject, IQueryable<T>> is created and compiled. But can I do something like Func<List<T>, matchObject, T>, and compile it? Basically I want an object(T) meeting certain conditions (as in matchObject) to be returned from a list of objects(List<T>). Will CompiledQuery.Compile help me in this? Please help me experts!!

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  • iphone refresh images UIImageView

    - by Rick
    I have a rather basic question. I have several(5) UIImageView images on my screen. When I click a button, I want to change each image to something else. I also want to play a sound as each image is changed. So I basically want a clicking sound as each image changes. The problem is, for some reason if I have say 5 images, the sound gets played 5 times first and then the images change. It's like the images only refresh when control goes back to the user for input. How can I "force" it to refresh the images as soon as i tell it what image to display? I'm new to the iphone/macworld, so go easy on me :-) Rick

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  • jquery to construct a string and pass it as a post argument for file

    - by user253530
    I have this js code: $("#startSearch").live("click", function(event){ $("input:checkbox[name='searchId']:checked").each(function(){ var searchId = $(this).val(); var host = ''; $.post("php/autosearch-get-host.php",{sId: searchId},function(data){ host = 'http://' + data + '/index.php'; }); //alert(host); $.getJSON(host,{searchId: $(this).val()},function(){ pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); }); }); }); The php file php/autosearch-get-host.php returns a string with the host name. What i want is to get the host from the database, create the URL using string concatenation and pass it as an argument to another $.post. $.post should use that URL like this: $.getJSON(host,{searchId: $(this).val()},function() { pagination("php/pagination.php", $('#currentPage').val(), $('#sortBy').val(), $("#sortMode").val(), "autosearch"); });

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  • Batch file search and replace using wildcards?

    - by user329358
    Batch file search and replace using wildcards I have a html (txt) file I am using as a template or sourcefile to create further html files.  Filename = pg_0001.htm and it contains a line of code thus: pg_0001.jpg I want to parse the pg_0001.htm sourcefile, increment and replace the jpeg string, like this:  "pg_0002.jpg", and then output the edited htm file to a new filename pg_0002.htm I then take each newly created file (pg_0002.htm, pg_0003.htm etc) as the sourcefile and repeat the processing until I have reached my target goal (let's say 100 newly created htm files containing code to display the corresponding jpeg. It must be done this way (fileX.htm containing fileX.jpg) because there is other javascript that uses these incremented filenames as function input. I used to know how to write incrementing batch files many years ago but I'm old & very rusty now.  Can anyone please help me do this?  Many thanks in advance. regards Harry

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  • jQuery inserting comment help

    - by StealthRT
    Hey all, i am trying to learn how to insert a comment within some html code without having to refresh the page. I know jQuery is capable of inserting a comment into a div area but i am having problems finding an example like that with fading in. Here is my comment code: <div id="CommentBox122" style="width:80%; padding:2px; margin-left:25px;"> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <div id="stylized" class="myform" align="center"> <form id="CommentForm122" name="CommentForm122"> <div align="center" style="text-align:center; color:#F00; font-family:Arial, Helvetica, sans-serif; font-weight:bold;">Would you like to leave a comment, Robert?</div> <textarea name="txtComment" class="box" id="txtComment"></textarea> <input name="txtpostid" type="text" id="txtpostid" style="visibility:hidden; display:none; height:0px; width:0px;" value="Demo43639" /> <div class="buttons" align="center"> <button type="button" id="Button122" name="Button122" class="positive" onclick="doStuff();"><img name="Submit" src="img\buttonimgComment.png" alt="" />Post Comment</button> </div> </form> </div> </div> The code i need to insert again would be: <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> But again, i am unable to find an example using jQuery to automatically insert that part of the code under the other "table /table" box.. So after its inserted by jQuery, the code should look like this: <div id="CommentBox122" style="width:80%; padding:2px; margin-left:25px;"> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <table width="650px" border="0" cellpadding="0" cellspacing="5" style="margin-left:20px; background-color: #F8F8F8; border-bottom:#CCC solid 1px;"><tr> <td width="10%" rowspan="2" align="center" class="Commentimage"><img src="img/avatar/gkrgimmkdhmggfh.jpg" height="60" /></td> <td width="90%" class="Commentposted">Posted by me on Saturday, May 01, 2010 @ 4:37: PM</td></tr> <tr><td class="Commentsaying">this is a test comment</td></tr> </table> <div id="stylized" class="myform" align="center"> <form id="CommentForm122" name="CommentForm122"> <div align="center" style="text-align:center; color:#F00; font-family:Arial, Helvetica, sans-serif; font-weight:bold;">Would you like to leave a comment, Robert?</div> <textarea name="txtComment" class="box" id="txtComment"></textarea> <input name="txtpostid" type="text" id="txtpostid" style="visibility:hidden; display:none; height:0px; width:0px;" value="Demo43639" /> <div class="buttons" align="center"> <button type="button" id="Button122" name="Button122" class="positive" onclick="doStuff();"><img name="Submit" src="img\buttonimgComment.png" alt="" />Post Comment</button> </div> </form> </div> </div> As always, any help would be great! :o) David

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  • Issue about Tomcat 5.5 "ROOT" directory.

    - by Captain Kidd
    Now I specify a directory name for "appBase" attribute on "{TomcatHome}/config/server.xml". <host appBase="d:/aaa"> <Context docBase="d:/aaa/bbb"> </Context> </host> When I navigate URL to "http://localhost:8080", TOMCAT think "d:/aaa/ROOT" as application directory. I want to know how can I modify this mechanism to make TOMCAT auto search my specified directory. For example: When I input "http://localhost:8080", TOMCAT would search "d:/aaa/{SpecifiedDirectoryName}/"

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  • How can I synchronize database access between a write-thread and a read-thread?

    - by Runcible
    My program has two threads: Main execution thread that handles user input and queues up database writes A utility thread that wakes up every second and flushes the writes to the database Inside the main thread, I occasionally need to make reads on the database. When this happens, performance is not important, but correctness is. (In a perfect world, I would be reading from a cache, not making a round-trip to the database - but let's put that aside for the sake of discussion.) How do I make sure that the main thread sees a correct / quiescent database? A standard mutex won't work, since I run the risk of having the main thread grab the mutex before the data gets flushed to the database. This would be a big race condition. What I really want is some sort of mutex that lets the main thread of execution proceed only AFTER the mutex has been grabbed and released once. Does such a thing exist? What's the best way to solve this problem?

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  • hasErrors with indexed property

    - by Micor
    I am having hard time getting hasErrors to work with indexed properties. For example class Order { String prop1 String prop2 static hasMany = [items: Item] } class Item { String name static constraints = { name(blank:false) } } Validation works properly and on item.name being blank I do get an error with <g:renderErrors bean="${orderInstance}"/> However, I am trying to have input box highlighted using hasErrors : <g:each in="${orderIntsance.items}" status="i" var="item"> <span class="field ${hasErrors(bean: orderInstance, field: ????????? , 'errors')}"> <g:textField name="items[${i}].name" value="${item?.name}"/> </span> </g:each> Not sure how to get to it with a field: property, any ideas? Thanks

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  • How to store and access ajax data in javascript without using global variables ?

    - by mike_t2e
    I may be missing something obvious here, but how could I rewrite this code so that it doesn't need the theVariable to be a global variable ? <script language="javascript"> theVariable = ""; function setValue() /* called on page load */ { /* make ajax call to the server here */ theVariable = "a string of json data waiting to be eval()'d"; } function getValue() { alert(theVariable); } </script> <input type="button" onClick="javascript:getValue()" value="Get the value"> In my actual situation, the setValue function makes an ajax call to the server, receives a json string and the data from that is accessed when you mouseover various parts of the page. I end up using several global variables which works fine, but is messy and I'd like to know if there's a better and more elegant way of doing it ?

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  • Offline mode app in a (HTML5) browser possible?

    - by Horace Ho
    Is it possible to build an application inside in browser? An application means: 1 Where there is connection (online mode) between the browser and an remote application server: the application runs in typical web-based mode the application stores necessary data in offline storage, to be used in offline mode (2) the application sync/push data (captured during offline mode) back to the server when it is resumed from offline mode back to online mode 2 Where there is no connection (offline mode) between the browser and an remote application server: the application will still run (javascript?) the application will present data (which is stored offline) to user the application can accept input from user (and store/append in offline storage) Is this possible? If the answer is a yes, is there any (Ruby/Python/PHP) framework being built? Thanks

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  • What would you do if you coded a C++/OO cross-platform framework and realize its laying on your disk

    - by Manuel
    This project started as a development platform because i wanted to be able to write games for mobile devices, but also being able to run and debug the code on my desktop machine too (ie, the EPOC device emulator was so bad): the platforms it currently supports are: Window-desktop WinCE Symbian iPhone The architecture it's quite complete with 16bit 565 video framebuffer, blitters, basic raster ops, software pixel shaders, audio mixer with shaders (dsp fx), basic input, a simple virtual file system... although this thing is at it's first write and so there are places where some refactoring would be needed. Everything has been abstracted away and the guiding principle are: mostly clean code, as if it was a book to just be read object-orientation, without sacrifying performances mobile centric The idea was to open source it, but without being able to manage it, i doubt the software itself would benefit from this move.. Nevertheless, i myself have learned a lot from unmaintained projects. So, thanking you in advance for reading all this... really, what would you do?

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  • php: problems with embedded apex in a string ?

    - by Patrick
    how can I write more embedded " and ' in php ? For example, I dunno how to write this html complete element with all apex: As you can see, I use '' for the php string. Then inside, I use "", but then I need another level of apix and I dunno how to write that one in my php document. (php thinks that the string is complete in the middle because it sees another ' before the end. $output .= '<img style="outline:none;" src="sites/default/unselect.png" alt="Unselect All" onclick='$(this).siblings('.form-item').each(function(index){ $('input:checkbox', this).attr('checked', ''); });'/>'; how can I solve this ? thanks

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