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  • cartesian product

    - by John Retallack
    I've been trying to do a function that returns the Cartesian Product of n sets,in Dr Scheme,the sets are given as a list of lists,I've been stuck at this all day,I would like a few guidelines as where to start,I've wrote a pice of code but it dosen't work. (define cart-n(?(l) (if (null? l) '(()) (map (?(lst) (cons (car ( car(l))) lst)) (cart-n (cdr l) )))))

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  • .htaccess Subfolder Redirect

    - by John K
    Hey Guys & Gals, I recently moved my WordPress website to a subfolder. I want to add a redirect in the .htaccess file so that the links to images I've uploaded originally to ~/wp-content/uploads/ will pass to ~/blog/wp-content/uploads. The .htaccess file must remain in the root folder for WordPress to read it properly. This is what I tried Redirect /wp-content/uploads/ /blog/wp-content/uploads That worked great, except I host other domains on this account, and all of the other domain's upload folders were being redirected in a similar manner. Is there a way to restrict this redirect to just one domain? So that example.com/wp-content/uploads redirects to example.com/blog/wp-content/uploads, but another.com/wp-content/uploads does not? Thanks everyone!

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  • How do I convert a TimeSpan to a formatted string?

    - by Michael Wheeler
    Exact Duplicate Timespan formatting First question here: I have two DateTime vars, beginTime and endTime. I have gotten the difference of them by doing the following: TimeSpan dateDifference = endTime.Subtract(beginTime); How can I now return a string of this in hh hrs, mm mins, ss secs format using C#. If the difference was 00:06:32.4458750 It should return this 00 hrs, 06 mins, 32 secs Thanks for the help

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  • Problems with show hid jquery

    - by Michael
    I am someone can help... This should be easy but I am lost. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Show Hide Sample</title> <script src="js/jquery.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function(){ $('#content1').hide(); $('a').click(function(){ $('#content1').show('slow'); }); $('a#close').click(function(){ $('#content1').hide('slow'); }) }); </script> <style> body{font-size:12px; font-family:"Trebuchet MS"; background: #CCF} #content1{ border:1px solid #DDDDDD; padding:10px; margin-top:5px; width:300px; } </style> </head> <body> <a href="#" id="click">Test 1</a> <div class="box"> <div id="content1"> <h1 align="center">Hide 1</h1> <P> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Nullam pulvinar, enim ac hendrerit mattis, lorem mauris vestibulum tellus, nec porttitor diam nunc tempor dui. Aenean orci. Sed tempor diam eget tortor. Maecenas quis lorem. Nullam semper. Fusce adipiscing tellus non enim volutpat malesuada. Cras urna. Vivamus massa metus, tempus et, fermentum et, aliquet accumsan, lectus. Maecenas iaculis elit eget ipsum cursus lacinia. Mauris pulvinar.</p> <p><a href="#" id="close">Close</a></p> </div> </div> <a href="#" id="click">Test 2</a> <div class="box"> <div id="content1"> <h1 align="center">Hide 2</h1> <p> Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Nullam pulvinar, enim ac hendrerit mattis, lorem mauris vestibulum tellus, nec porttitor diam nunc tempor dui. Aenean orci. Sed tempor diam eget tortor. Maecenas quis lorem. Nullam semper. Fusce adipiscing tellus non enim volutpat malesuada. Cras urna. Vivamus massa metus, tempus et, fermentum et, aliquet accumsan, lectus. Maecenas iaculis elit eget ipsum cursus lacinia. Mauris pulvinar.</p> <p><a href="#" id="close">Close</a></p> </div> </div> </body> </html>

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  • How do I start IRB console from a rake task?

    - by Michael Lang
    I'm trying to write a rake task that will set up an environment mirroring my project. task :environment do require 'rubygems' require 'sequel' # require 'my_projects_special_files' end task :foo => [:environment] do require 'irb' IRB.start end Leads to irb complaining that "foo" doesn't exist (the name of the task) 10:28:01:irb_test rake foo --trace (in /Users/mwlang/projects/personal/rake/irb_test) ** Invoke foo (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute foo rake aborted! No such file or directory - foo /opt/local/lib/ruby/1.8/irb/input-method.rb:68:in `initialize' /opt/local/lib/ruby/1.8/irb/input-method.rb:68:in `open' /opt/local/lib/ruby/1.8/irb/input-method.rb:68:in `initialize' /opt/local/lib/ruby/1.8/irb/context.rb:80:in `new' /opt/local/lib/ruby/1.8/irb/context.rb:80:in `initialize' /opt/local/lib/ruby/1.8/irb.rb:92:in `new' /opt/local/lib/ruby/1.8/irb.rb:92:in `initialize' /opt/local/lib/ruby/1.8/irb.rb:57:in `new' /opt/local/lib/ruby/1.8/irb.rb:57:in `start' /Users/mwlang/projects/personal/rake/irb_test/Rakefile:9

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  • "Work stealing" vs. "Work shrugging (tm)"?

    - by John
    Why is it that I can find lots of information on "work stealing" and nothing on a "work shrugging(tm)" as a load-balancing strategy? I am surprised because work-stealing seems to me to have an inherent weakness when implementating efficient fine-grained load-balancing. Vis:- Relying on consumer processors to implement distribution (by actively stealing) begs the question of what these processors do when they find no work? None of the work-stealing references and implementations I have come across so far address this issue satisfactorarily for me. They either:- 1) Manage not to disclose what they do with idle processors! [Cilk] (?anyone know?) 2) Have all idle processors sleep and wake periodically and scatter messages to the four winds to see if any work has arrived [e.g. JAWS] (= way too latent & inefficient for me). 3) Assume that it is acceptable to have processors "spinning" looking for work ( = non-starter for me!) Unless anyone thinks there is a solution for this I will move on to consider a "Work Shrugging(tm)" strategy. Having the task-producing processor distribute excess load seems to me inherently capable of a much more efficient implementation. However a quick google didn't show up anything under the heading of "Work Shrugging" so any pointers to prior-art would be welcome. tx Tags I would have added if I was allowed to [work-stealing]

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  • NSMutableString leaks on append or replaceOccurrencesOfString

    - by John
    Hello Folks, I know similar questions have been asked time and time again but I ask that you please bear with me as I cannot seem to find an answer that helps. My application has leaks that are driving me out of my mind. Actually, they are not reported as leaks using Leaks, but my net bytes in ObjectAlloc goes up and up and up and never stops, eventually leading to a crash if it goes on long enough (not very long). The problem occurs with NSMutableStrings. I think there is either something fundamental I don't understand about them, or I am facing another problem that I am having difficulty tracking down but keeps hiding behind the NSMutableStrings. Specifically, I am noticing that whenever I append to or perform a replace on a NSMutableString, ObjectAlloc reports what appear to be mismatches in malloc/frees behind the scene when resizing the NSMutableString. I'm sorry to say this is the second time I'm facing this problem - the first time I messed around for hours and hours and finally the problem went away (magic!) but I don't really know why. When I look at the code below (and believe me, I've stared at it for hours) I cannot see the problem. I look at the code and think to myself that I should be fine because I'm releasing the only object for which I am responsible (aString) and that NSMutableString should be taking care of cleaning up after any resizing it does. In the second example, just so you know in case it helps, the string being passed in comes from an ASIHTTPRequest object (it's the responseString) and I don't do anything at all with it. It's being called simply like so ([self DoStuff2:[request responseString]]) and I don't free the request myself either (I'm using a ASINetworkQueue and I assume that the requests are destroyed for me (I tried and caused errors because the request was already being release somewhere else). Also, I know it shouldn't do anything, but I even tried wrapping the code in autorelease pools, which of course did nothing. I should mention that this code is being run inside of an NSOperation. I thought that perhaps I am experiencing problems because NSOperations should create an autorelease pool for themselves, but I've tried that to no avail. Not related to NSMutableString, but I find I also have similar problems using the NSString componentsSeparatedByString method. Sometimes the memory used by the array that gets the separated components is never released. Hmmm...strings in general seem to be somewhat problematic for me it seems. I would appreciate ANY help anyone can provide. If you require more info, I'll be glad to add it. I do promise you that I've struggled with this (and other problems) for weeks and every problem I encounter I research hard and long until I find a solution - this is not an idle request, but a true cry for help! I've written so much code and now I'm trying to seal some small leaks etc and I notice this problem. Honestly, I cannot believe how memory management in Objective C can stump me so at times...I've read Apple's memory mgmt docs many times and I thought I thoroughly understood it and I try to be diligent about releasing objects I own, but sometimes I find myself wondering if I truly understand...I would like to put this to bed once and make sure I understand all this fully - to have this sort of question/problem after writing thousands of lines of code is more than a little scary/embarrassing/annoying. So again, if anybody has any insight, I'd be grateful. Thanks for your time and efforts. -(void)DoStuff { NSString *aString [ [[NSString alloc] initWithFormat:@"text %@ more text", self.strVariable]; [self.someMutableStringVar replaceOccurrencesOfString:@"replace" withString:aString options:NSCaseInsensitiveSearch range:NSMakeRange(0, [self.someMutableStringVar length])]; [aString release]; } -(void)DoStuff2:(NSString *)aString { [self.someMutableStringVar appendString:aString]; }

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  • perl escaping \n or \t

    - by Michael
    I need to escape \n so on output I really get newline or tab $ perl -p -e 's/e/a/ge' now I want each e to be substituted with \n $ perl -p -e 's/e/\n/ge' but even \n gives me an error. this was a simplified example. In real script(makefile) I have substitute := perl -p -e 's/@([^@]+)@/defined $$ENV{$$1} ? $$ENV{$$1} : $$1/ge' and in target I have such a nice command $(substitute) $< > $@ and if the input file for perl contains \n at output I will see it literally... I want to have real newline.

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  • automated email downloading and treading similar messages

    - by Michael
    Okay here it is : I have built an c# console app that downloads email, save attachments , and stores the subject, from, to, body to a MS SQL Database. I use aspNetPOP3 Component to do this. I have build a front end ASP.NET application to search and view the messages. Works great. Next Steps (this is where I need help ): Now I want my users (of the asp.net app) to reply to this message send the email to the originator, and tread any additional replies back and forth on from that original message(like basecamp). This would allow my end user not to have to log-in to a system, they just continue using email (our users can as well). The question is what should I use to determine if messages are related? Subject line I think is a bad approach. I believe the best method i've seen so far is way basecamp does it, but I'm not sure how that is done, here is a real example of the reply to address from a basecamp email (I've changed the host name): [email protected] Basecamp obviously are prefixing the pre-pending a tracking id to the email address, however , when I try this with my mail service, it's rejected. Is this the best approach, is there a way I can accomplish this, is there a better approach, or even a better email component tool? Thanks, Mike

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  • C# WCF/WebService: Interoperable exception handling.

    - by michael paul
    I understand that WCF will convert an exception into a fault and send it back as a SOAP message, but I was wondering if this is truly interoperable. I guess I'm having a tough time trying to figure out this possible scenario: Client (Java) calls a WCF Service (LoginService). Server checks for proper authorization, user authorization fails. Server throws an UnauthorizedAccessException. WCF converts this into a Fault somehow. (* - See Below As Well) Client has to be able to know how to read this Fault. I guess I'm just having a tough time understanding how this could still be interoperable because it is expecting Java to know how to translate a SOAP Fault that .NET encodes from an UnauthorizedAccessException. Also, how does .NET actually convert the exception to a fault, what goes in as the fault code, name, etc. Some of the things seem to be "duh"s like perhaps the Fault Name is "UnauthorizedAccessException", but I'd rather know for sure than guess.

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  • Why are primes important in cryptography?

    - by Michael Stum
    One thing that always strikes me as a non-cryptographer: Why is it so important to use Prime numbers? What makes them so special in cryptography? Does anyone have a simple short explanation? (I am aware that there are many primers and that Applied Cryptography is the Bible, but as said: I am not looking to implement my own cryptographic algorithm, and the stuff that I found just made my brain explode - no 10 pages of math formulas please :)) Thanks for all the answers. I've accepted the one that made the actual concept most clear to me.

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  • Finding duplicate values in a SQL table

    - by Alex
    It's easy to find duplicates with one field SELECT name, COUNT(email) FROM users GROUP BY email HAVING ( COUNT(email) > 1 ) So if we have a table ID NAME EMAIL 1 John [email protected] 2 Sam [email protected] 3 Tom [email protected] 4 Bob [email protected] 5 Tom [email protected] This query will give us John, Sam, Tom, Tom because they all have the same e-mails. But what I want, is to get duplicates with the same e-mails and names. I want to get Tom, Tom. I made a mistake, and allowed to insert duplicate name and e-mail values. Now I need to remove/change the duplicates. But I need to find them first.

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  • Connecting to SQL Server in Php - Extension Err

    - by John Doe
    <html> <head> <title>Connecting </title> </head> <body> <?php $host = "*.*.*.*"; $username = "xxx"; $password = "xxx"; $db_name = "xxx"; $db = mssql_connect($host, $username,$password) or die("Couldnt Connect"); $selected = mssql_select_db($db_name, $db) or die("Couldnt open database"); ?> </body> </html> My error message is: Fatal error: Call to undefined function mssql_connect() in C:\wamp\www\php\dbase.php on line 12 I am using WampServer 2.0 on Php 5.3.0 When I check the extensions, php_mssql is Checked. I also checked the php.ini file to make sure it is not commented out. I have my file dbase.php saved in C:\wamp\www\php. I have tried stopping the service, closing everything, and running it again. I know the problem is that the extension file is not being included somehow. The below is copied from my php.ini file. Note I made all http = /http to avoid posting Links. ;;;;;;;;;;;;;;;;;;;;;;;;; ; Paths and Directories ; ;;;;;;;;;;;;;;;;;;;;;;;;; ; UNIX: "/path1:/path2" ;include_path = ".:/php/includes" ; Windows: "\path1;\path2" include_path = "C:\wamp\bin\php\php5.3.0\ext" ; ; PHP's default setting for include_path is ".;/path/to/php/pear" ; /http://php.net/include-path ; The root of the PHP pages, used only if nonempty. ; if PHP was not compiled with FORCE_REDIRECT, you SHOULD set doc_root ; if you are running php as a CGI under any web server (other than IIS) ; see documentation for security issues. The alternate is to use the ; cgi.force_redirect configuration below ; /http://php.net/doc-root doc_root = ; The directory under which PHP opens the script using /~username used only ; if nonempty. ; /http://php.net/user-dir user_dir = ; Directory in which the loadable extensions (modules) reside. ; /http://php.net/extension-dir ; extension_dir = "./" ; On windows: ; extension_dir = "ext" extension_dir = "c:/wamp/bin/php/php5.3.0/ext/" ; Whether or not to enable the dl() function. The dl() function does NOT work ; properly in multithreaded servers, such as IIS or Zeus, and is automatically ; disabled on them. ; /http://php.net/enable-dl enable_dl = Off ; cgi.force_redirect is necessary to provide security running PHP as a CGI under ; most web servers. Left undefined, PHP turns this on by default. You can ; turn it off here AT YOUR OWN RISK ; You CAN safely turn this off for IIS, in fact, you MUST. ; /http://php.net/cgi.force-redirect ;cgi.force_redirect = 1 ; if cgi.nph is enabled it will force cgi to always sent Status: 200 with ; every request. PHP's default behavior is to disable this feature. ;cgi.nph = 1 ; if cgi.force_redirect is turned on, and you are not running under Apache or Netscape ; (iPlanet) web servers, you MAY need to set an environment variable name that PHP ; will look for to know it is OK to continue execution. Setting this variable MAY ; cause security issues, KNOW WHAT YOU ARE DOING FIRST. ; /http://php.net/cgi.redirect-status-env ;cgi.redirect_status_env = ; ; cgi.fix_pathinfo provides real PATH_INFO/PATH_TRANSLATED support for CGI. PHP's ; previous behaviour was to set PATH_TRANSLATED to SCRIPT_FILENAME, and to not grok ; what PATH_INFO is. For more information on PATH_INFO, see the cgi specs. Setting ; this to 1 will cause PHP CGI to fix its paths to conform to the spec. A setting ; of zero causes PHP to behave as before. Default is 1. You should fix your scripts ; to use SCRIPT_FILENAME rather than PATH_TRANSLATED. ; /http://php.net/cgi.fix-pathinfo ;cgi.fix_pathinfo=1 ; FastCGI under IIS (on WINNT based OS) supports the ability to impersonate ; security tokens of the calling client. This allows IIS to define the ; security context that the request runs under. mod_fastcgi under Apache ; does not currently support this feature (03/17/2002) ; Set to 1 if running under IIS. Default is zero. ; /http://php.net/fastcgi.impersonate ;fastcgi.impersonate = 1; ; Disable logging through FastCGI connection. PHP's default behavior is to enable ; this feature. ;fastcgi.logging = 0 ; cgi.rfc2616_headers configuration option tells PHP what type of headers to ; use when sending HTTP response code. If it's set 0 PHP sends Status: header that ; is supported by Apache. When this option is set to 1 PHP will send ; RFC2616 compliant header. ; Default is zero. ; /http://php.net/cgi.rfc2616-headers ;cgi.rfc2616_headers = 0 ;;;;;;;;;;;;;;;; ; File Uploads ; ;;;;;;;;;;;;;;;; ; Whether to allow HTTP file uploads. ; /http://php.net/file-uploads file_uploads = On ; Temporary directory for HTTP uploaded files (will use system default if not ; specified). ; /http://php.net/upload-tmp-dir upload_tmp_dir = "c:/wamp/tmp" ; Maximum allowed size for uploaded files. ; /http://php.net/upload-max-filesize upload_max_filesize = 2M Also, my php.ini file is saved in: C:\wamp\bin\apache\Apache2.2.11\bin

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  • How to use XPath to filter elements by TextContent? get parent by axis?

    - by Michael Mao
    Hi all: I've found a similar question on SO, however, that seems not exactly what I wanna achieve: Say, this is a sample XML file: <root> <item> <id isInStock="true">10001</id> <category>Loose Balloon</category> </item> <item> <id isInStock="true">10001</id> <category>Bouquet Balloon</category> </item> <item> <id isInStock="true">10001</id> <category>Loose Balloon</category> </item> </root> If I wanna get a "filtered" subset of the item elements from this XML, how could I use an XPath expression to directly address that? XPathExpression expr = xpath.compile("/root/item/category/text()"); I now know this would evaluate to be the collection of all the TextContent from the categories, however, that means I have to use a collection to store the values, then iterate, then go back to grab other related info such as the item id again. Another question is : how could I refer to the parent node properly? Say, this xpath expression would get me the collection of all the id nodes, right? But what I want is the collection of item nodes: XPathExpression expr = xpath.compile("/root/item/id[@isInStock='true']"); I know I should use the "parent" axis to refer to that, but I just cannot make it right... Is there a better way of doing this sort of thing? Learning the w3cschools tutorials now... Sorry I am new to XPath in Java, and thanks a lot in advance.

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  • CodeGolf: Brothers

    - by John McClane
    Hi guys, I just finished participating in the 2009 ACM ICPC Programming Conest in the Latinamerican Finals. These questions were for Brazil, Bolivia, Chile, etc. My team and I could only finish two questions out of the eleven (not bad I think for the first try). Here's one we could finish. I'm curious to seeing any variations to the code. The question in full: ps: These questions can also be found on the official ICPC website available to everyone. In the land of ACM ruled a greeat king who became obsessed with order. The kingdom had a rectangular form, and the king divided the territory into a grid of small rectangular counties. Before dying the king distributed the counties among his sons. The king was unaware of the rivalries between his sons: The first heir hated the second but not the rest, the second hated the third but not the rest, and so on...Finally, the last heir hated the first heir, but not the other heirs. As soon as the king died, the strange rivaly among the King's sons sparked off a generalized war in the kingdom. Attacks only took place between pairs of adjacent counties (adjacent counties are those that share one vertical or horizontal border). A county X attacked an adjacent county Y whenever X hated Y. The attacked county was always conquered. All attacks where carried out simultanously and a set of simultanous attacks was called a battle. After a certain number of battles, the surviving sons made a truce and never battled again. For example if the king had three sons, named 0, 1 and 2, the figure below shows what happens in the first battle for a given initial land distribution: INPUT The input contains several test cases. The first line of a test case contains four integers, N, R, C and K. N - The number of heirs (2 <= N <= 100) R and C - The dimensions of the land. (2 <= R,C <= 100) K - Number of battles that are going to take place. (1 <= K <= 100) Heirs are identified by sequential integers starting from zero. Each of the next R lines contains C integers HeirIdentificationNumber (saying what heir owns this land) separated by single spaces. This is to layout the initial land. The last test case is a line separated by four zeroes separated by single spaces. (To exit the program so to speak) Output For each test case your program must print R lines with C integers each, separated by single spaces in the same format as the input, representing the land distribution after all battles. Sample Input: Sample Output: 3 4 4 3 2 2 2 0 0 1 2 0 2 1 0 1 1 0 2 0 2 2 2 0 0 1 2 0 0 2 0 0 0 1 2 2 Another example: Sample Input: Sample Output: 4 2 3 4 1 0 3 1 0 3 2 1 2 2 1 2

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  • .NET photo processing component

    - by John Williams
    Hi folks! I'm looking for a .NET image processing component or an open source alternative to automate the following tasks: Photo capture (webcams and photo cameras) Photo printing (grid/strip modes) Applying photo effects Saving photos AtalaSoft DotImage is quite expensive, any other suggestions are welcome. Thanks J

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  • Django Forms - change the render multiple select widget

    - by John
    Hi, In my model I have a manytomany field mentors = models.ManyToManyField(MentorArea, verbose_name='Areas', blank=True) In my form I want to render this as: drop down box with list of all MentorArea objects which has not been associated with the object. Next to that an add button which will call a javascript function which will add it to the object. Then under that a ul list which has each selected MentorArea object with a x next to it which again calls a javascript function which will remove the MentorArea from the object. I know that to change how an field element is rendered you create a custom widget and override the render function and I have done that to create the add button. class AreaWidget(widgets.Select): def render(self, name, value, attrs=None, choices=()): jquery = u''' <input class="button def" type="button" value="Add" id="Add Area" />''' output = super(AreaWidget, self).render(name, value, attrs, choices) return output + mark_safe(jquery) However I don't know how to list the currently selected ones underneath as a list. Can anyone help me? Also what is the best way to filter down the list so that it only shows MentorArea objects which have not been added? I currently have the field as mentors = forms.ModelMultipleChoiceField(queryset=MentorArea.objects.all(), widget = AreaWidget, required=False) but this shows all mentors no matter if they have been added or not. Thanks

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  • jQuery Validation - Highlight Radio Labels Only

    - by Michael
    I'm trying to use jQuery validation to highlight the labels for my radio buttons only, and not the labels for my other inputs. I have a label for my radio button set called 'type'. I can't seem to get it to work! $(document).ready(function(){ $("#healthForm").validate({ highlight: function(element, errorClass) { $(element).addClass(errorClass) $(element.form).find("label[for='type']") .addClass("radioerror"); }, unhighlight: function(element, errorClass) { $(element).removeClass(errorClass) $(element.form).find("label[for='type']") .removeClass("radioerror"); }, errorPlacement: function(error, element) { } }); });

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  • How can I scale an image in a CSS sprite

    - by michael
    Hi, In this article, http://css-tricks.com/css-sprites/, it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out? Here is an example from that article: A { background-image: url(http://www.jaredhirsch.com/coolrunnings/public_images/3deb155981/spriteme1.png); background-position: -10px -56px; } I would like to know how can I scale that image after I crop it from from spriteme1.png Here is the URL of the example: http://css-tricks.com/examples/CSS-Sprites/Example1After/ So I would like to know if I can make the icons next to Item1,2,3,4 smaller?

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  • Implementing Custom Membership Provider Membership User Issues

    - by john doe
    I am trying to implement a custom membership provider and want to change the GetUser method. The problem is that GetUser returns MembershipUser and I want to return MyMembershipUser which has two additional properties FirstName and LastName. I can create a new method in my membership provider which returns MyMembershipUser but then I think it won't make any sense. How would I go about doing this?

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  • Why is my app running

    - by John Smith
    I have compiled my iPhone app with setting (Device, Release). I install it on the test machine and it runs with no problem. Here's the problem. The app is linked to a C++ library. The compilation on the simulator has no errors. However the device compilation produces 568 errors, mostly about different visibilities w.r.t AppDelegate.o. They all look like: QL::Error::~Error()has different visibility (default) in /QL/build/Release-iphoneos/libQLLibrary.a(abcd.o) and (hidden) in /Programming/ObjC/Second/build/Second.build/Release-iphoneos/FG.build/Objects-normal/armv6/AppDelegate.o Why is this, and how can I stop the errors anyway?

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  • PHP/MySQL Printing Duplicate Labels

    - by Michael
    Using an addon of FPDF, I am printing labels using PHP/MySQL (http://www.fpdf.de/downloads/addons/29/). I'd like to be able to have the user select how many labels to print. For example, if the query puts out 10 records and the user wants to print 3 labels for each record, it prints them all in one set. 1,1,1,2,2,2,3,3,3...etc. Any ideas? <?php require_once('auth.php'); require_once('../config.php'); require_once('../connect.php'); require('pdf/PDF_Label.php'); $sql="SELECT $tbl_members.lastname, $tbl_members.firstname, $tbl_members.username, $tbl_items.username, $tbl_items.itemname FROM $tbl_members, $tbl_items WHERE $tbl_members.username = $tbl_items.username"; $result=mysql_query($sql); if(mysql_num_rows($result) == 0){ echo "Your search criteria does not return any results, please try again."; exit(); } $pdf = new PDF_Label("5160"); $pdf->AddPage(); // Print labels while($rows=mysql_fetch_array($result)){ $name = $rows['lastname'].', '.$rows['firstname'; $item= $rows['itemname']; $text = sprintf(" * %s *\n %s\n", $name, $item); $pdf->Add_Label($text); } $pdf->Output('labels.pdf', 'D'); ?>

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