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• using jquery $.post() for returning multiple values

  - by Aninemity

  Hi all I am trying to use a $.post() in the following way: $.post("file.php", { file_id: $(this).val()}, function(data){...} The file.php then does a database query and returns an array with a title, description and image reference. What I want to do then is be able to update the .val() for form fields for each. I understand how to do this on a single variable, it would just be the following: $.post("file.php", { file_id: $(this).val()}, function(data){ $('#title').val(data); } But, how do I get the data returned to be recognizable in jquery as either separate variables or as an array? Thanks in advance

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• update in codeigniter works but displays an error message

  - by Charmie

  i was just wondering what could be the problem with a working code yet displays an error message such as this: A PHP Error was encountered Severity: Notice Message: Array to string conversion Filename: database/DB_active_rec.php Line Number: 1407 im trying to update fields in my database. I have this code and every tutorial are just the same for batch upload. It works anyway but the thing is it display such an error. this what i have in my model: function update2($data){ $this->db->update_batch('users',$data, "id"); } This what i have in my controller: public function updateValues(){ $this->load->model('get_db'); $newRow = array( array( 'id' => '3', 'firstname' => 'Rapphie' ), array( 'id' => '2', 'firstname' => 'Charmie' ) ); $this->get_db->update2($newRow); echo "it has been updated"; } please help.

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• Next/Previous click jQuery UI

  - by madjester

  I am trying to add next/previous buttons on a button click using the jQuery UI Slider. I found this code... $("#down").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val - step); }); $("#up").click(function() { var s = $("#slider"), val = s.slider("value"), step = s.slider("option", "step"); s.slider("value", val + step); }); Here: http://osdir.com/ml/jquery-ui/2009-03/msg00617.html However this only changes the value of the Slider, moving the slider handle, but it doesn't actually slide the element. Little help?

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• C++, is it possible to obtain the dimension of an array?

  - by aaa

  hi. Suppose I have some pointer, which I want to reinterpret as static dimension array reference: double *p; double (&r)[4] = ?(p); // some construct? // clarify template< size_t N> void function(double (&a)[N]); ... double *p; function(p); // this will not work. // I would like to cast p as to make it appear as double[N] Is it possible to do so? how do I do it?

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• how to Android audio OUT get work like mic in or line in?

  - by Eugene

  so the idea is produce some analog data into phone via audio jack OUTPUT, so please, let me know the API function calls please!

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• How to make javascript link target to my iframe?

  - by GanChinHock.com

  I have a iframe and there is a javascript function in it. Basically, I want to create an anchor tag to call the function and activate it in my iframe. Do you have any idea? <p><a href="javascript:document.body.contentEditable='true'; document.designMode='on'; void 0" target="test">Edit Google</a></p> <iframe name="test" src="http://www.google.com"></iframe> It is not working. Any idea?

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• Why does this basic class not work?

  - by kalaba2003

  I could not understand why my class does no t work. Returns nothing. Is there any mistake? class User { public $first_name; public $last_name; public function full_name() { if(isset($this->first_name) && isset($this->last_name)) { return $this->first_name . " " . $this->last_name; } else { return "No name!"; } } public function assign () { $this->first_name = "Name"; $this->last_name = "Surname"; } } $user = new User(); $user->assign(); $user->full_name(); ?>

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• Toggling doesn't work in IE 7

  - by praveen

  I have two divs i need to perform toggling between two divs while doing this some of the divs in my main div are displaying even if i use hide() function this happens only in ie7 function initMakeAPost() { $('questionheaderid').hide(); //hiding the questions section $('MP_questionofday_txtboxid').hide();//hiding the questions answer"textbox and button" section $('recaspotheaderid').hide();//hiding the search by txtspotname and city-spots //$('footer_userpost').hide();//hiding the footer $('makeapostid').show();//show the make a post content $('btnQAPost').hide(); $('footer_userpost').hide(); $('sreetCredContainer').hide(); $('postbtnid_dead').hide(); $('askNextQuestion').hide(); //$('UploadImgContainer').show();// for upload }

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• What's the outcome if I use free with new or delete with malloc?

  - by skydoor

  It is a compiler error or runtime error? The code below can be compiled! class Base{ void g(); void h(); }; int main() { Base* p = new Base(); free(p); return 0; } However it can't be compiled with a virtual function if I declare the class Base like this class Base{ virtual void g(); void h(); }; The code below can be compiled all the time, no matter the function is virtual or not. class Base{ void g(); void h(); }; int main() { Base* p = (Base*)malloc(sizeof(Base)); delete p; return 0; }

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• jquery - turning "autocomplete" to off for all forms (even ones not loaded yet)

  - by matthewsteiner

  So, I've got this code: $(document).ready(function(){ $('form').attr('autocomplete', 'off'); }); It works great for all forms already existing. The problem is, some forms of mine are in pop ups loaded throught ajax. This won't apply to them since they're "loaded" later. I know there's a live() function - but that's only for attaching events. What's a good way to apply this to all forms? Thanks.

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• Unable to return/process JSON in JQuery $.get()

  - by shyam

  I have a problem returning/processing JSON data while calling $.get() function. Here's the code: JQuery: $.get("script.php?", function(data) { if (data.status) { alert('ok'); } else { alert(data.error); } },'json'); PHP if ($r) { $ret = array("status"=>true); } else { $ret = array("status"=>false,"error"=>$error); } echo json_encode( $ret ); So this is the code. But the response is always taken as string in the jquery. data.status and data.error is undefined.

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• scrollTop issue on constant moving div

  - by joe

  I have a FLASH object that I mouse over which in turn calls the following function to scroll a div. It works but due to the constant high speed scrolling it would throw up NULLS. This in turn caused IE to open a new page through my FLASH ActionScript 2.0 I found that by creating the SC variable and throwing in the condition "if it exists" keeps FLASH from causing IE to open a new page. However, it still creates an error behind the scenes of "Object Required". Although my application works I do not want load up memory with errors. Any thoughts? var SC; function pP(PT){ SC=document.getElementById('P'+PT).offsetTop; if(SC){document.getElementById('CBOX').scrollTop=SC;} }

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• why does it use the movl instead of push ?!

  - by user554403

  hi all. pay attention to this code : #include <stdio.h> void a(int a, int b, int c) { char buffer1[5]; char buffer2[10]; } int main() { a(1,2,3); } after that : gcc -S a.c that command shows our source code in assembly. now we can see in the main function, we never use "push" command to push the arguments of the a function into the stack. and it used "movel" instead of that main: pushl %ebp movl %esp, %ebp andl $-16, %esp subl $16, %esp movl $3, 8(%esp) movl $2, 4(%esp) movl $1, (%esp) call a leave why does it happen? what's difference between them?

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• ie8 fadein with transparent png not working

  - by user1102152

  i have this site: http://thecodefixer.com/tatmuda/blog/ i am using transperent png as my background where needed and internet explorer loves to mess things up. i have an effect where you press on a link and then you see the background forst and after you see the "site".... in chrome and firefox it workes great but ie8 doesnt give me a chance... this is the code plus a code i added from here in stackoverflow: var i; for (i in document.images) { if (document.images[i].src) { var imgSrc = document.images[i].src; if (imgSrc.substr(imgSrc.length-4) === '.png' || imgSrc.substr(imgSrc.length-4) === '.PNG') { document.images[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true',sizingMethod='crop',src='" + imgSrc + "')"; } } } setTimeout(function () { $("div#main").fadeIn("slow"); }, 4000); setTimeout(function () { $("div#footer").fadeIn("slow"); }, 4000); someone has a fix for this?

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• speeding up parsing of files

  - by user248237

  the following function parses a CSV file into a list of dictionaries, where each element in the list is a dictionary where the values are indexed by the header of the file (assumed to be the first line.) this function is very very slow, taking ~6 seconds for a file that's relatively small (less than 30,000 lines.) how can I speed it up? def csv2dictlist_raw(filename, delimiter='\t'): f = open(filename) header_line = f.readline().strip() header_fields = header_line.split(delimiter) dictlist = [] # convert data to list of dictionaries for line in f: values = map(tryEval, line.strip().split(delimiter)) dictline = dict(zip(header_fields, values)) dictlist.append(dictline) return (dictlist, header_fields) thanks.

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• What should I use instread of g_strncasecmp?

  - by jules

  It looks like g_strncasecmp is deprecated, so I am looking for another function to do the same thing.

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• jQuery .noconflict with prototype not working in (you guessed it) IE.

  - by Kyle Sevenoaks

  On my new customer page, I have successfully implemented a jQuery show/hide toggle alongside a Prototype script using jQuery's .noconflict. (Thanks to all for answers!) But as the world of the net is, IE's not playing ball. {literal} <script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"> </script> <script type="text/javascript"> var $j = jQuery.noConflict(); $j(function() { $j("#button1").click(function() { $j("#show-hide").toggle("slow"); }); });? </script> {/literal} As you all must know by now, I'm just newly coming to all this jQuery stuff, so I have no idea what could cause it. Thanks for any help.

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• Can a link have both an onclick jquery and javascript event?

  - by odpogn

  I have a link that jQuery listens to, and if clicked it will toggle another div. The link also has an onclick javascript action. When I click the link, the div I want to toggle shows, but the javascript doesn't execute. Is it possible to get the javascript to execute AND have jQuery toggle the div? If so what would I put in the jQuery code to allow the link to execute the onclick javascript action? jQuery script $(function() { $('#links a').live('click', function() { $("#showall").toggle('slow'); }); }); my link <div id ="links"> <a href="some javascript" onclick="javascript">Play</a> </div>

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• how divide herader from binary data

  - by fixo2020

  Hi, I have this code: ofstream dest("test.txt",ios::binary); while (true){ size_t retval = recv (sd, buffer, sizeof(buffer), 0); dest.write(buffer,retval); if(retval <= 0) { delete[] buffer; break;} } Now, the recv() function return 4 bytes each loop right? and buffer contain it, this return all data so, pseudo-header and binary data (image), but I want know how capture only binary data, I know that the end of header are "\n\r" right? but what's are the solution better for make this? I make a function that detect when are "\n\r"? and after how capture binary data? Or, I put all data in memory, and after parse it? but how? I'm desperate :(

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• Macros giving problems with dladdr()

  - by Veger

  I have implemented tracing behavior using the -finstrument-functions option of gcc and this (simplified) code: void __cyg_profile_func_enter(void *this_fn, void *call_site) { Dl_info di; if(dladdr(this_fn, &di)) printf("entered %s\n", (di.dli_sname?di_dli_sname:"<unknown>")); } This works great, except for one thing: macros are processed as well, but the function prints the information of the function which contains the macro. So functions containing macros have their information printed multiple times (which is of course undesired). Is there anything to detect that a macro is being processed? Or is is possible to turn off instrumenting macros at all? PS Same problems occur with sizeof()

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• jQuery cycle query

  - by Happy

  We have a script used for each .item: $(".item").each(function(){ item_link = "http://..."; block = $('.block', this); $.get(item_link, function(data) { var src = $('img.slide', data).attr('src'); block.html(src); }); }); item_link variable is uniquie for each query. There can be 100 .item or more. The problem is - server has limit on connections at the same time, that why some .item get var src, some not. The best solution is to use just one .get at the same time. I think there should be some counter, if .get is finished - it gives message "I'm finished, you can start" to the next .get and so on. How to do that? Thanks.

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• how to do collision detection for hollow(?) movieclips in flash AS3?

  - by Pieter888

  Hey everyone, I'm making small interactive games in flash to learn AS3, now I ran into a problem that I need some help with. I need to check the collision between the player and the wall which is normally simple using the hitTestObject function. But now I made a wall object totally surrounding the player with corridors and turn, a collision playground so to speak. Now when I use the hitTestObject function to check whether the player is in collision with the wall it tells me it always collides supposedly because the player object is within the bounds of the wall object. So assuming that I'm correct about the error: How can I prevent getting a collision when I'm inside the bounds of the wall object but not touching the actual walls in that object?

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• collapse row by row with (jQuery)

  - by Mini

  I want to hide/show a lot of contents by id Here is an example: <a href="#" class="click"> title here </a> <p class="content" id="1"> text here ... </p> <a href="#" class="click" id="2"> another title here </a> <p class="content"> another text here ... </p> I can add an ID into my HTML code. How Can I get it by jQuery? The jQuery lines: <script type="text/javascript"> $(document).ready(function(){ $('.content').hide(); $('.click').click(function() { $('.content').slideToggle(500); return false; });

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• jQuery ajax get

  - by Happy

  There are many class="item" blocks on the page. For each one there is different var item_link and ajax request. Ajax searches for src attribute of .message img and throws it to var src. $(".item").each(function(){ var item_link = "http://..."; $(this).prepend('<div class="src"></div>'); $.get(item_link, function(data) { var src = $('.message img', data).attr('src'); }); }); How to print var src to <div class="src"></div>? Thanks.

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• Append an onClick event to an anchor tag using jquery?

  - by M.Woodard

  I am trying to add an onClick event to an anchor tag ... Previously i had ... <a href="somlink.html" onClick="pageTracker._link(this.href); return false;"> But i am trying to avoid the inline onClick event because it interferes with another script.. So using jQuery i am trying the following code ... <script> $(document).ready(function() { $('a#tracked').attr('onClick').click(function() {window.onbeforeunload = null; pageTracker._link(this.href); return false; }); }); </script> with the html like so <a id="tracked" href="something.html"> So my question is should this be working, and if not what would be the best solution?

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