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  • jQuery click event still firing on filtered element

    - by Phil.Wheeler
    I'm trying to filter button events based on whether they have a CSS class assigned to them or not. Assume I have a button like this: <button id="save-button" class="ui-state-default ui-corner-all">Save</button> I want to get jQuery to select all buttons that currently do not have a class of "ui-state-disabled". The selector I'm using looks like this: $('#save-button:not(.ui-state-disabled)').click(function() { ... }); When the button is clicked, I'll call a different function, do some stuff and then add the class 'ui-state-disabled' to the button. However the button still continues to accept click events. I'm guessing this is because of two possible causes: The event binder looks only at the initial state when binding the click event and doesn't recognise that a new class has been added later on My filter ['... :not(.ui-state-disabled)] is not correct Any observations?

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  • How Can I switch the session storage according to the client on Ruby on Rails 2.3.5

    - by mojalin
    Hi! I have a question about sessions on ruby-on-rails. We have a several options about session storage such as cookie, active_record_store, etc.. I primarily use the cookie storage, but, there are some client which doesn't support cookie function. In that case, I have to make that client to use the "active_record_store". My rails version is 2.3.5. I found out that even though I use the active_record_store, the cookie is still available. In my situation, both session storage might be available. So, I want to make the framework to primarily use the cookie, when the cookie is available. On the other hand, the client doesn't support the cookie, secondly to use the active_record_store. I think this function requires some override to the framework, but I don't know how to do it. Do you have any idea for that? Thank you very much in advance.

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  • Wordpress plugin: ajaxStart conflict in Post page (autosave)

    - by tsiger
    I am developing a small plugin which appears in the post page and it has a touch of Ajax. $("#some-div").ajaxStart(function(){ $(this).html('Loading...'); }); $.post( AjaxHandler.ajaxurl, { action : 'wt4-cats', }, function(response) { //do some stuff }); thing is that Wordpress triggers the autosave feature every few minutes or so and affects my ajaxStart call. I mean, on autosave the "some-div" html becomes "Loading...". Is possible to avoid that?

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  • Getting a value of td of a selected tr in jquery

    - by jaeyun
    Below is my table <table> <tr class=chargeTR> <td id=chargeTD> charge1 </td> </tr class=chargeTR> <td id=chargeTD> charge2 </td> </tr> <table> Below is my jquery call $(".chargeTR").each(function() { // this line works fine $.get("process.php", { value: $(this).find("#chargeTD").val(), // I must be doing something wrong here... }, function(theXML){ alert(theXML); }); }); I cannot get the value "charge1" and "charge2". Can somebody please correct me in this? Thank you,

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  • How do I use compiler intrinsic __fmul_?

    - by Eric Thoma
    I am writing a massively parallel GPU application. I have been optimizing it by hand. I received a 20% performance increase with _fdividef(x, y), and according to The Cuda C Programming Guide (section C.2.1), using similar functions for multiplication and adding is also beneficial. The function is stated as this: "_fmulrn,rz,ru,rd". __fdividef(x,y) was not stated with the arguments in brackets. I was wondering, what are those brackets? If I run the simple code: int t = __fmul_(5,4); I a compiler error about how _fmul is undefined. I have the CUDA runtime included, so I don't think it is a setup thing; rather it is something to do with those square brackets. How do I correctly use this function? Thank you.

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  • AJAX works fine in firefox, but malfunctions in Mozilla Prism 0.9

    - by Babiker
    I have the following ajax fucntion: function ajax(value, url, urlVarname, displayContainers_id){ if(value == ''){ document.getElementById(displayContainers_id).innerHTML=''; } /* THIS IS LINE 12*/ xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange=function() { if(xmlhttp.readyState == 4 && xmlhttp.status == 200){ document.getElementById(displayContainers_id).innerHTML=xmlhttp.responseText; } } xmlhttp.open('GET',url + '?varName=' + urlVarname + '&value=' + value, true); /* THIS IS LINE 25 */ xmlhttp.send(); } onmousedown="ajax(document.getElementById('searchParamater').value, 'http://192.168.0.7/controllers/search_controller.php', document.getElementById('searchBy').value, 'ajaxBucket')"> This whole thing works fine in firefox but when i use prism 0.9, it malfunctions and i get the following error in the errors console: Warning: assignment to undeclared variable xmlhttp Source File: http://192.168.0.7/javascript/main.js Line: 12 Error: uncaught exception: [Exception... "Not enough arguments [nsIXMLHttpRequest.send]" nsresult: "0x80570001 (NS_ERROR_XPC_NOT_ENOUGH_ARGS)" location: "JS frame :: http://192.168.0.7/javascript/main.js :: ajax :: line 25" data: no]

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  • What is the safest way to pass strings around in C?

    - by chucknelson
    I have a program in C using Solaris with VERY ancient compatibility it seems. Many examples, even here on SO, don't work, as well as lots of code I've written on Mac OS X. So when using very strict C, what is the safest way to pass strings? I'm currently using char pointers all over the place, due to what I thought was simplicity. So I have functions that return char*, I'm passing char* to them, etc. I'm already seeing strange behavior, like a char* I passed having its value right when I enter a function, and then the value being mysteriously gone OR corrupted/overwritten after something simple like one printf() or an malloc to some other pointer. I was thinking maybe declaring a local char[] inside each function, using strcpy() immediately, and then eventually returning a pointer where char *returnval = strdup(localchar[]); This seems...sloppy. Can anyone point me in the right direction on a simple requirement?

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  • Toggle 1 <div> at a time with Image Changing using JQuery

    - by dg
    Please see this site: http://www.sensationsskin.com/site10/treatments/skin-care.html I've got it working, but am wanting the "+" to change to the "-" (expandbutton-close.gif). I'm using CSS right now to pull up the image, but I think I need to incorporate it into the JQuery code? <script type="text/javascript"> $(document).ready(function(){ //hide the all of the element with class msg_body $(".msg_body").hide(); //toggle the componenet with class msg_body $(".msg_head").click(function(){ if ( $(this).next(".msg_body").is(':visible') ) { $(".msg_body").hide(); } else { $(".msg_body").hide(); $(this).next(".msg_body").slideToggle(450); } }); }); </script>

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  • JQuery Autocomplete CSS not working?

    - by gath
    I am trying to implement JQuery Autocomplete pluggi using Django. I've been able to wire the thing together and I can actually see the result back in the HTML template. My problem is that the JQuery Autocomplete CSS doesn't seem to work. The results I get are not well formatted/styled, and they have no background and you cannot even select them. What is it that am missing? I have these three files in my media folder same folder: autocomplete.js dimensions.js autocomplete.css In my html template I have the following function: $(function(){ setAutoComplete("tags", "tagResults", "/taglookup/?query="); }); My textfield looks like this; <input type="text" name="tags" value=""> Where do I put the tagResults in my HTML template document? Every time I try to introduce a DIV with id="tagResults", JQuery throws an error. Any ideas?

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  • PHP can be exclusively accessed by SWF

    - by brett
    I'm not sure how to describe this, but basically I have a PHP class file: class HelloHello { public function getSomeData($input_parameter){ // code to retrieve data from the database } public function deleteSomeData($input_parameter){ // code to delete data from the database } } This class is on the server and is part of the backend that connects with a database, and it's meant to be accessed by the frontend SWF only (not to be directly accessed). I've setup Flex to read this class and access it. But how do I make sure that someone doesn't develop a script that can call this php file directly and access its methods? For example using a script to add data in a fast automated way, or use the delete method directly, ouch. Is this a legitimate concern, or this can't be done?

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  • OpenCv QT CvNamedWindow IplImage not working

    - by Shahzaib
    I have problem with displaying Cam on QTLabel using openCV, Every thing is working fine . except one . I have to call function from open === cvNamedWindow() == in order for program to work properly . its displaying the webcam on the QLabel no problem but if i don't call the cvNamedWindow function then the program is just hanging its just keep displaying the camera which are working on the screen but i can't click on any thing else its getting freeze. doest any one has any idea why its happening and what i am doing wrong ?

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  • Offset time for DST in one specific timezone using JavaScript

    - by Shannon
    I need to offset the time by an hour if it's currently DST in the Pacific Time Zone. How can I determine the current daylight savings status of the Pacific Time Zone, regardless of the user's local timezone? Here's what I have so far. "dst" in line 4 is just a placeholder for a function that would tell me if daylight savings time is active in that zone. function checkTime() { var d = new Date(); var hour = d.getUTCHours(); var offset = dst ? 7 : 8; // is pacific time currently in daylight savings? // is it currently 6 AM, 2 PM, or 10 PM? if (hour === ((6 + offset) % 24) || hour === ((14 + offset) % 24) || hour === ((22 + offset) % 24)) { // do stuff } } checkTime();

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  • Backtracking infinite loop

    - by Greenhorn
    This is Exercise 28.1.2 from HtDP. I've successfully implemented the neighbors function and all test cases pass. (define Graph (list (list 'A (list 'B 'E)) (list 'B (list 'E 'F)) (list 'C (list 'D)) (list 'D empty) (list 'E (list 'C 'F)) (list 'F (list 'D 'G)) (list 'G empty))) (define (first-line n alist) (cond [(symbol=? (first alist) n) alist] [else empty])) ;; returns empty if node is not in graph (define (neighbors n g) (cond [(empty? g) empty] [(cons? (first g)) (cond [(symbol=? (first (first g)) n) (first-line n (first g))] [else (neighbors n (rest g))])])) ; test cases (equal? (neighbors 'A Graph) (list 'A (list 'B 'E))) (equal? (neighbors 'B Graph) (list 'B (list 'E 'F))) (equal? (neighbors 'C Graph) (list 'C (list 'D))) (equal? (neighbors 'D Graph) (list 'D empty)) (equal? (neighbors 'E Graph) (list 'E (list 'C 'F))) (equal? (neighbors 'F Graph) (list 'F (list 'D 'G))) (equal? (neighbors 'G Graph) (list 'G empty)) (equal? (neighbors 'H Graph) empty) The problem comes when I copy-paste the code from Figure 77 of the text. It is supposed to determine whether a destination node is reachable from an origin node. However it appears that the code goes into an infinite loop except for the most trivial case where the origin and destination nodes are the same. ;; find-route : node node graph -> (listof node) or false ;; to create a path from origination to destination in G ;; if there is no path, the function produces false (define (find-route origination destination G) (cond [(symbol=? origination destination) (list destination)] [else (local ((define possible-route (find-route/list (neighbors origination G) destination G))) (cond [(boolean? possible-route) false] [else (cons origination possible-route)]))])) ;; find-route/list : (listof node) node graph -> (listof node) or false ;; to create a path from some node on lo-Os to D ;; if there is no path, the function produces false (define (find-route/list lo-Os D G) (cond [(empty? lo-Os) false] [else (local ((define possible-route (find-route (first lo-Os) D G))) (cond [(boolean? possible-route) (find-route/list (rest lo-Os) D G)] [else possible-route]))])) Does the problem lie in my code? Thank you.

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  • jQuery: Self Executing Plugin?

    - by GnrlBzik
    I am working on expansion of my jQuery plug-in authoring knowledge, just playing around with my own ideas for learning benefits. So i was wondering how you guys tackle the need of plugin executing without any user specific input. So I have a need for plug-in that executes right away after document is ready, without any user's specific input just as long as doc is loaded, so the only way I see how to execute plug-in on it's own is to attach handler to ready listener that executes my function which I extended the jQuery with. And because this needs to be self enclosed, part of the code, I attach handler to event listener within the function. So how else could one tackle this? Any take at this is appreciated. Thank you in advance everyone.

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  • invalid conversion from 'char' to 'int* in C

    - by majdal
    Hi, I have the following arrays: int A[] = {0,1,1,1,1, 1,0,1,0,0, 0,1,1,1,1}; int B[] = {1,1,1,1,1, 1,0,1,0,1, 0,1,0,1,0}; int C[] = {0,1,1,1,0, 1,0,0,0,1, 1,0,0,0,1}; //etc... for all letters of the alphabet And a function that prints the letters on a 5x3 LED matrix: void printLetter(int letter[]) I have a string of letters: char word[] = "STACKOVERFLOW"; and I want to pass each character of the string to the printLetter function. I tried: int n = sizeof(word); for (int i = 0; i < n-1; i++) { printLetter(word[i]); } But I get the following error: invalid conversion from 'char' to 'int*' What should i be doing? Thanks!!

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  • PHP combobox can't save the selected value on Edit Page

    - by bEtTy Barnes
    hello I've got problem with my combobox. It's not saving the selected value in Edit page. Here what I'm working with: private function inputCAR(){ $html = ""; $selectedId = $this->CAR; //$html .= '<option value="Roadmap Accelerator - Core">Roadmap Accelerator - Core</option>'; //$html .= '<option value="Roadmap Accelerator - Optional Core">Roadmap Accelerator - Optional Core</option>'; //$html .= '<option value="Regulatory">Regulatory</option>'; //$html .= '<option value="Mission Critical">Mission Critical</option>'; //$html .= '<option value="Various CARs/Types">Various CARs/types</option>'; $selection = array( "Roadmap Accelerator - Core", "Roadmap Accelerator - Optional Core", "Regulatory", "Mission Critical", "Various CARs/types" ); $html .= '<label for="car">CAR Type</label>'; $html .= HTML::selectStart("car"); foreach($selection as $value){ $text = $value; $html .= HTML::option($value, $text, $selectedId == $value ? true : false); } $html .= HTML::selectEnd(); return $html; } My option function: public static function option($value, $text, $isSelected=false) { $html = '<option value="' . $value . '"'; if($isSelected) { $html .= ' selected="selected"'; } $html .= '>'; $html .= $text; $html .= '</option>'; return $html; } When I first created a record. The selected value from my combobox got saved into the DB then the page refreshed to display. When I went to edit page, to select another value, and clicked save button. On the display page, it's not saving. For example. on Create page I selected Regulatory. then I changed my mind and changed it to Mission Critical on Edit page. On display page it is not changed. I don't know what's wrong or what I'm missing here. Any help is welcome and truly appreciated. Thanks.

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  • How to get the first non-null value in Java?

    - by froadie
    Is there a Java equivalent of SQL's COALESCE function? That is, is there any way to return the first non-null value of several variables? e.g. Double a = null; Double b = 4.4; Double c = null; I want to somehow have a statement that will return the first non-null value of a, b, and c - in this case, it would return b, or 4.4. (Something like the sql method - return COALESCE(a,b,c)). I know that I can do it explicitly with something like: return a != null ? a : (b != null ? b : c) But I wondered if there was any built-in, accepted function to accomplish this.

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  • Explain a block of crazy JS code inside Sizzle(the CSS selector engine)

    - by Andy Li
    So, here is the function for pre-filtering "CHILD": function(match){ if ( match[1] === "nth" ) { // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6' var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" || !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]); // calculate the numbers (first)n+(last) including if they are negative match[2] = (test[1] + (test[2] || 1)) - 0; match[3] = test[3] - 0; } // TODO: Move to normal caching system match[0] = done++; return match; } The code is extracted from line 442-458 of sizzle.js. So, why is the line var test = ..., have the exec inputing a boolean? Or is that really a string? Can someone explain it by splitting it into a few more lines of code?

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  • JQuery How to Uncheck A radio button

    - by user281867
    Hi, I have a list of data with a radio button. Users must select a date to edit. Then I load external dynamic form into a [div] using the jquery load() function. var ID = $('input[name=BookItem]:checked').val(); $("#EditFormWrapper").load("callEditData.cfm? ID="+ID); 2 Hours AM 2 Hours PM 2 Hours AM 2 Hours PM I am having trouble uncheck the radio button when user click on cancel button (editBTNcancel). The “BookItem” radio button is on the already on the webpage before the load() call. Here s my script: $("#editBTNcancel").live("click", function(event){ event.preventDefault(); $("#EditFormWrapper").slideUp("fast").empty(); //$('.TOR2Hours').removeAttr('checked'); $('.TOR2Hours').attr('checked', false); }); I hope I clearly state my problem, any suggestion would be greatly appreciated!

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  • Insert A Line At The Beginning Of A File

    - by thebourneid
    I'm trying to insert/add a line 'COMMENT DUMMY' at the beginnig of a file as a first row if /PATTERN/ not found. I know how to do this with OPEN CLOSE function. Probably after reading the file it should look something like this: open F, ">", $fn or die "could not open file: $!"; ; print F "COMMENT DUMMY\n", @array; close F; But I have a need to implement this with the use of the Tie::File function and don't know how. use strict; use warnings; use Tie::File; my $fn = 'test.txt'; tie my @lines, 'Tie::File', $fn or die "could not tie file: $!"; untie @lines;

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  • How do I get the sums of the digits of a large number in Haskell?

    - by Tim
    I'm a C++ Programmer trying to teach myself Haskell and it's proving to be challenging grasping the basics of using functions as a type of loop. I have a large number, 50!, and I need to add the sum of its digits. It's a relatively easy loop in C++ but I want to learn how to do it in Haskell. I've read some introductory guides and am able to get 50! with sum50fac.hs:: fac 0 = 1 fac n = n * fac n - 1 x = fac 50 main = print x Unfortunately at this point I'm not entirely sure how to approach the problem. Is it possible to write a function that adds (mod) x 10 to a value and then calls the same function again on x / 10 until x / 10 is less than 10? If that's not possible how should I approach this problem? Thanks!

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  • llvm clang struct creating functions on the fly

    - by anon
    I'm using LLVM-clang on Linux. Suppose in foo.cpp I have: struct Foo { int x, y; }; How can I create a function "magic" such that: typedef (Foo) SomeFunc(Foo a, Foo b); SomeFunc func = magic("struct Foo { int x, y; };"); so that: func(SomeFunc a, SomeFunc b); // returns a.x + b.y; ? Note: So basically, "magic" needs to take a char*, have LLVM parse it to get how C++ lays out the struct, then create a function on the fly that returns a.x + b.y; Thanks!

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  • How do I get query string value from script path?

    - by TruMan1
    I am adding my Javsacript file in pages with different query strings in the script path like this: Page1: <script type="text/javascript" src="file.js?abc=123"></script> Page2: <script type="text/javascript" src="file.js?abc=456"></script> Page3: <script type="text/javascript" src="file.js?abc=789"></script> In my Javascript file, how can I get the value of the "abc" param? I tried using window.location for this, but that does not work. In case it helps, below is a function I use to find the value of a query string param: function getQuerystring(key, defaultValue) { if (defaultValue == null) defaultValue = ""; key = key.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]"); var regex = new RegExp("[\\?&]" + key + "=([^&#]*)"); var qs = regex.exec(window.location.href); if (qs == null) return defaultValue; else return qs[1]; }

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  • MySQL PHP incompatibility.

    - by Evernoob
    Ok maybe I've overlooked something really simple here, but I can't seem to figure this out. I'm running WAMP locally, but connecting to a remote MySQL database. The local version of PHP is the latest 5.3.0. One of the remote databases, being version 5.0.45 works fine. However, the other remote database I'm trying to connect to, which is version 5.0.22 throws the following error before dying: Warning: mysql_connect() [function.mysql-connect]: OK packet 6 bytes shorter than expected. PID=5880 in ... Warning: mysql_connect() [function.mysql-connect]: mysqlnd cannot connect to MySQL 4.1+ using old authentication in ... WTF? UPDATE: Reverting to PHP 5.2.* i.e. anything lower than 5.3.0 resolves the problem completely. As long as I am not running 5.3.0 I can connect to both databases. I'm not sure what the explanation is for this weirdness.

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