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  • Allowing threads from python after calling a blocking i/o code in a python extension generated using

    - by SS
    I have written a python extension wrapping an existing C++ library live555 (wrapping RTSP client interface to be specific) in SWIG. The extension works when it is operated in a single thread, but as soon as I call the event loop function of the library, python interpreter never gets the control back. So if I create a scheduled task using threading.Timer right before calling the event loop, that task never gets executed once event loop starts. To fix this issue, I added Py_BEGIN_ALLOW_THREADS and Py_END_ALLOW_THREADS macros manually in the SWIG auto generated wrapper cxx file around every doEventLoop() function call. But now, I want to do the same (i.e. allow threads) when SWIG generates the code itself and not to change any code manually. Has anyone done something similar in SWIG? P.S. - I would also consider switching to any other framework (like SIP) to get this working. I selected SWIG over any other technology is because writing SWIG interface was really very easy and I just had to include the existing header files.

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  • Calling javascript without any action

    - by ayush
    i have the following lines of html code - <div class="twitters" id="cbd"> <p><a href="javascript:;" onClick="tweeet('<?php echo $c; ?>')">My Tweets!</a></p> </div> Now what i need to do is call the tweet() javascript function without any link being clicked or any button being clicked . i.e this function is called on its own whenever the page is loaded.

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  • Jaxer and HTTP proxy requests...

    - by rakhavan
    Thanks to everyone in advance. I'm using Jaxer.sandbox and making requests just fine. I'd like these requests to go through my http proxy (like squid for example). Here is the code I that is currently working for me. window.onload = function() { //the url to scrape var url = "http://www.cnn.com/"; //our sandboxed browser var sandbox = new Jaxer.Sandbox(); //open optons var openOptions = new Jaxer.Sandbox.OpenOptions(); openOptions.allowJavaScript = false; openOptions.allowMetaRedirects = false; openOptions.allowSubFrames = false; openOptions.allowSubFrames = false; openOptions.onload = function() { //do something onload }; //make the call sandbox.open(url, null, openOptions); //write the response Jaxer.response.setContents(sandbox.toHTML()); }; How can I send this request through a proxy server? Thanks, Reza.

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  • Where are my $_FILES? Ajax Uploading

    - by Richard Testani
    I've built a form to upload images, and processed with Prototype/PHP. $('image_upload').observe('submit', function() { var params = $H(); params.set('name', $('image_title').value); params.set('from', $('from_who').value); params.set('upload_file', $('upload_file').value); new Ajax.Request('/files/upload_process.php', { method:'post', parameters: params, onSuccess: function(r) { $('uploadbox').update('<img src="/images/interface/thankyou.png" />'); } }) }); The form itself sends the data to the server, but when I try to output print_r($_FILES['upload_file']); nothing appears, not even an empty array. If I output print_r($_POST), the parameters are sent properly, but only the file name of the image. So it seems the files themselves are not being sent along. How do I handle this? Thanks Rich

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  • Binding Dropdownlist using jquery

    - by Geetha
    Hi All, I am try to bind the dropdowmlist using jquery. But is showing some error. Code: $.ajax({ type: "POST", contentType: "application/json; charset=utf-8", data: "{product: '" + product + "'}", url: "Search.aspx/FetchCategory", dataType: "json", success: function(data) { $.each(data.d, function() { $("#ddlCategory").append($("<option></option>").val(this['ID']).html(this['Category'])); }); } }); values in the data: [{"Category":"All","ID":"%"},"Category":"Action,"ID":"4"},"Category":"Race,"ID":"5"},"Category":"Sports,"ID":"6"}] Error: $("#ddlCategory").append($("").val(this['ID']).html(this['Category'])); Microsoft JScript runtime error: Object doesn't support this property or method Geetha

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  • Displaying Error Page based on the error exception?

    - by Ramesh
    I am using the exception catching procedure which is the module to track the errors and it write the error description in a log file in the server.I want to display the error details in a common Error page which is having a multi-line textbox from the common function in the module.Is it possible to do that.If possible,How can I do that.... Try ;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;; Catch ex as exception CreateLogFile(Ex) End Try The above description is the error catching portion from the code In the module I have written the CreateLogFile function which write the log file. I want to display the Error Page after writing the log file which should contain the error details.... Please Help...?.

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  • Rails with JQuery DIV manipulation

    - by MrThomas
    Say I have a loop of objects (style.cover.pic) in a DIV .style_image <% @styles.each do |style| % <div class="style_image"> <%=link_to (image_tag style.cover.pic.url(:small)), style %></div> With the use of JQuery On a click event I want to load (this.href) in to the div .style_image which was click not all of the .style_image DIV's. this is what I have done so fare: $(function() { $(".style_image a").live('click', function(event) { $(".style_image a").load(this.href + " #show_style"); $.get(this.href, null, null, "script"); return false; }); }); Can this be done? and yes how??? Regards Dan

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  • jQuery and CodeIgniter AJAX with JSON not working

    - by thedp
    Hello, I trying to make my first AJAX with JSON call using jQuery and CodeIgniter. But for some weird reason it's not working. The jQuery code: var item = "COOL!"; $.post("http://192.168.8.138/index.php/main/test", { "item" : item }, function(data){ alert(data.result); }, "json"); The CodeIgniter code: <?php class main extends Controller { function test() { $item = trim($this->input->post('item')); $array = array('result' => $item); echo json_encode($array); } } ?> I tried to access the http://192.168.8.138/index.php/main/test page manually and it seems to be working, I got: {"result":""} I also tried to use Firebug to see XMLHttpRequest but saw nothing. I have no idea what am I doing wrong... Need help really badly. Thank you.

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  • Using the Module Pattern for larger projects

    - by Rob
    I'm interested in using the Module Pattern to better organize my future projects. Unfortunately, there are only a few brief tutorials and proof-of-concept examples of the Module Pattern. Using the module pattern, I would like to organize projects into this sort of structure: project.arm.object.method(); Where "project" is my global project name, "arm" is a sub-section or branch of the project, "object" is an individual object, and so on to the methods and properties. However, I'm not sure how I should be declaring and organizing multiple "arms" and "objects" under "project". var project = window.project || {}; project.arm = project.arm || {}; project.arm.object = (function() { var privateVar = "Private contents."; function privateMethod() { alert(privateVar); } return { method: privateMethod }; }()); Are there any best practices or conventions when defining a complex module structure? Should I just declare a new arm/object underneath the last?

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  • Respect regular onsubmit handlers from jQuery.submit

    - by orip
    I want a jQuery form submit handler to respect any previous submit handlers, including ones added with onsubmit. I'm trying to detect the previous handler's return value but can't seem to do it: <form><input type="submit" /></form> <script type="text/javascript"> $('form')[0].onsubmit = function() { return false; }; // called first $('form').submit(function(e) { console.log(e.result); // undefined console.log(e.isDefaultPrevented()); // false console.log(e.isPropagationStopped()); // false console.log(e.isImmediatePropagationStopped()); // false }); </script> Is there a way to do this?

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  • Google Maps within a dynamically loaded jquery Accordion

    - by marr75
    I'm trying to load a google map within a jquery ui accordion with contents loaded by ajax. $("h2", "#accordion").click(function(e) { var contentDiv = $(this).next("div"); if (contentDiv.children().length == 1) { contentDiv.load($(this).find("a").attr("href")); contentDiv.ready(function(){ var latlng = new google.maps.LatLng(-34.397, 150.644); var myOptions = { zoom: 8, center: latlng, mapTypeId: google.maps.MapTypeId.ROADMAP }; var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); }) } }); That's my current code (Google Maps API V3), but it redirects to the url of the href when I click currently, obviously with no google map because there's no javascript in this response. If I comment out the map line everything works fine (except the map itself).

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  • It's possible to don't pass in GET some fields of a form?

    - by avastreg
    I have a form with some input texts passed in GET, and i don't want to have in GET all the fields; i want to avoid empty fields. So, a concrete example for: <form method="GET" action="an_url"> <input type="text" name="field1"/> <input type="text" name="field2"/> <input type="text" name="field3"/> <input type="submit" value="submit"/> </form> I supposed that fields disabled by html attribute "disabled" shouldn't be passed to GET. So i have done a js (based on jquery) to disable empty fields on submit, something like this: $("form").submit(function() { $(this).find("input[type=text]").each( function () { if (!$.trim($(this).val())) { $(this).attr("disabled", "true"); } }); }); However, this doesn't work. Any ideas?

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  • jQuery validation plugin , add custom method

    - by Eatdoku
    Hi, I am trying to add a method that validate a field to see if it contains a number value. so this is what i did, however it is not doing the check for me. anyone has any idea? thanks $(document).ready(function() { $.validator.addMethod('positiveNumber', function(value) { return Number(value) > 0; }, 'Enter a positive number.'); }); and jQuery('form').validate(); jQuery('.validateFieldToCheck').rules('add', { positiveNumber:, messages: { required: 'Field must contain a number.' } });

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  • Flex: Why is line obscured by canvas' background

    - by mauvo
    I want MyCanvas to draw lines on itself, but they seem to be drawn behind the background. What's going on and how should I do this? Main.mxml <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:my="*"> <my:MyCanvas width="300" height="300" id="myCanvas"></my:MyCanvas> <mx:Button label="Draw" click="myCanvas.Draw();"></mx:Button> </mx:Application> MyCanvas.as package { import mx.containers.Canvas; public class MyCanvas extends Canvas { public function MyCanvas() { this.setStyle("backgroundColor", "white"); } public function Draw():void { graphics.lineStyle(1); graphics.moveTo( -10, -10); graphics.lineTo(width + 10, height + 10); } } } Thanks.

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  • Blinking an item. (Jquery FadeIn FadeOut ?)

    - by 0plus1
    I have two divs that I want to make blink at the same time until the user hovers the mouse on one of them. var shouldiblink = '1'; function mrBlinko(divid){ while (shouldiblink =='1') { $("#"+divid).fadeIn(100).fadeOut(300); } $(document).ready(function(){ mrBlinko("mydiv1"); mrBlinko("mydiv2"); } The I'll have an hover event that sets shouldiblink to '0'. Problem is that the loops starts as soon as the page is ready and the browser crashes. I'm stuck with this solution and I can't think of an alternative right now. Can you help me? Thank you very much.

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  • Animating gradient displays line artifacts in ActionScript

    - by TheDarkIn1978
    i've programatically created a simple gradient (blue to red) sprite rect using my own basic class called GradientRect, but moving or animation the sprite exhibits line artifacts. when the sprite is rotating, it kind of resembles bad reception of an old television set. i'm almost certain the cause is because each line slice of the gradient is vector so there are gaps between the lines - this is visible when the sprite is zoomed in. var colorPickerRect:GradientRect = new GradientRect(200, 200, 0x0000FF, 0xFF0000); addChild(colorPickerRect); colorPickerRect.cacheAsBitmap = true; colorPickerRect.x = colorPickerRect.y = 100; colorPickerRect.addEventListener(Event.ENTER_FRAME, rotate); function rotate(evt:Event):void { evt.target.rotation += 1; } ________________________ //CLASS PACKAGE package { import flash.display.CapsStyle; import flash.display.GradientType; import flash.display.LineScaleMode; import flash.display.Sprite; import flash.geom.Matrix; public class GradientRect extends Sprite { public function GradientRect(gradientRectWidth:Number, gradientRectHeight:Number, ...leftToRightColors) { init(gradientRectWidth, gradientRectHeight, leftToRightColors); } private function init(gradientRectWidth:Number, gradientRectHeight:Number, leftToRightColors:Array):void { var leftToRightAlphas:Array = new Array(); var leftToRightRatios:Array = new Array(); var leftToRightPartition:Number = 255 / (leftToRightColors.length - 1); var pixelColor:Number; var i:int; //Push arrays for (i = 0; i < leftToRightColors.length; i++) { leftToRightAlphas.push(1); leftToRightRatios.push(i * leftToRightPartition); } //Graphics matrix and lineStyle var leftToRightColorsMatrix:Matrix = new Matrix(); leftToRightColorsMatrix.createGradientBox(gradientRectWidth, 1); graphics.lineStyle(1, 0, 1, false, LineScaleMode.NONE, CapsStyle.NONE); for (i = 0; i < gradientRectWidth; i++) { graphics.lineGradientStyle(GradientType.LINEAR, leftToRightColors, leftToRightAlphas, leftToRightRatios, leftToRightColorsMatrix); graphics.moveTo(i, 0); graphics.lineTo(i, gradientRectHeight); } } } } how can i solve this problem?

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  • using the data-custom="" to bind to events

    - by Dean Peterson
    I'm pretty sure I'm gonna get slammed on this. I love using the data-whatever attribute to bind events to. It feels very clean to me and helps reserve my class attribute for just styling. I know this selector is among the slowest, so I don't use it when there are a lot of elements. Would love to hear compelling arguments against this. $("body").delegate("[data-action]", "click", function(){ var action = $(this).attr("data-action"); //route action to appropriate function });

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  • css transition initial value

    - by nizzle
    I would like to animate a div from right to left. I cannot use a stylesheet because I don't know the amount of px. If I set the initial value (where the animation starts from) and the end-value in the same function, it doesn't work. //DOES NOT WORK $("#hi").css({"width" : "200px", "transform" : "translateX(500px)"}); $("#hi").css({"transition" : "all 5s ease-out", "transform" : "translateX(0px)"}); //WORKS $("#alsohi").css({"width" : "200px", "transform" : "translateX(500px)"}); setTimeout(function(){ $("#alsohi").css({"transition" : "all 5s ease-out", "transform" : "translateX(0px)"}); }, 50); as you can see in this fiddle: http://jsfiddle.net/c66Fb/ what is a better solution to this than using a timeout?

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  • Help using Horner's rule and Hash Functions in JAVA?

    - by Matt
    I am trying to use Horner's rule to convert words to integers. I understand how it works and how if the word is long, it may cause an overflow. My ultimate goal is to use the converted integer in a hash function h(x)=x mod tableSize. My book suggests, because of the overflow, you could "apply the mod operator after computing each parenthesized expression in Horner's rule." I don't exactly understand what they mean by this. Say the expression looks like this: ((14*32+15)*32+20)*32+5 Do I take the mod tableSize after each parenthesized expression and add them together? What would it look like with this hash function and this example of Horner's rule?

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  • ERRNO: 2 Division by zero error

    - by chupinette
    I am getting this error : ERRNO: 2 TEXT: Division by zero I have the following function in my class Customer public static function GetQuotationDetails($string) { $sql = 'SELECT I.name, I.discounted_price, I.other_name FROM item I WHERE ( I.name LIKE CONCAT( '%', :string, '%' )) AND T.item_name=:string'; $parameters = array(':string' => $string); DB::GetAll($sql,$parameters); } Then, $this->results = Customer::GetQuotationDetails('grinder'); and i echo the results by echo $obj_quotations->results; Can anyone help me?

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  • jquery value of textarea

    - by Elliott
    Hi, I have the code below, which sends the value of the textarea and either gets a fail or Successful response, for now I just check if it says "hello". function postdata() { $.ajax({ type: "POST", dataType: "text", url: "makepost.php", data: "post_text=" + $("#post_text").val(), cache: false, success: function(reply_text) { if (reply_text.indexOf("Successful") >= 0) { alert("Post Made"); } else { alert(reply_text); } } }); } <textarea rows="3" cols="25" id="post_text" ></textarea><br /> <input type="submit" id="post_bttn" value="Post" onclick="postdata(); return false;"> I have also tested just echo'ing out the value of the textarea, and all the time it is jus blank. Although in firebug it shows that I have sent that text. Any ideas? Thanks :)

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  • Stop scrolling to top in UIWebView - iPhone

    - by sagar
    I have placed following javascript in my html file. <script TYPE="text/javascript"> function srk(){ document.ontouchmove = function(e){ e.preventDefault(); } } </script> I am scrolling my webview by following code with some animation. [myWebView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat: @"window.scrollTo(0,%i);",414*self.initialScrollPosition]]; Everything going right, but on problem that I am facing is as follows. Whenever User/I tap on the status bar of iPhone, WebView Bydefault scrolls to top. This should not be done. Is it possible to prevent inbuilt functionality ? I know one of the option is as follows. ((UIScrollView *)[[myWebView valueForKey:@"_internal"] valueForKey:@"scroller"]).scrollsToTop = NO; But is it valid to do ?

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  • How to use the context variable in ajaxSetup with jquery

    - by user1730491
    I have multiple forms on one page and i am submitting them via Ajaxform plugin like this <td> <form> form1 </form> </td> <td> <form> form2 </form> </td> var options = { target: '.ajaxMessage', dataType: 'json', // pre-submit callback success: function(data, statusText, xhr, form){ myResponse(data,form)}, context: { element: this}, cache: false, delegation: true, type: 'POST' }; $(".rform").ajaxForm(options); In mY AjaxSetup , i have this beforeSend:function(xhr, settings){ $this = settings.context.element; alert($this); But its not working , alert says window object

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  • Multiplying field value with retreived value jQuery

    - by Efe
    I pull product price from another page. Then I multiply it with quantity entered in the quantity input field. The problem is, if I forget to enter quantity value before I pull product price data or if I change the quantity field later, the final total price is not updated. I hope I clearly explained it. javascript: $('#AddProduct').click(function() { var i = 0; var adding = $(+(i++)+'<div class="row'+(i)+'"><div class="column width50"><input type="text" id="PRODUCTNAME" name="PRODUCTNAME'+(i)+'" value="" class="width98" /><input type="hidden" class="PRODUCTID" name="PRODUCTID" /><input type="hidden" class="UNITPRICE" name="UNITPRICE'+(i)+'" /><small>Search Products</small></div><div class="column width20"><input type="text" class="UNITQUANTITY" name="UNITQUANTITY'+(i)+'" value="" class="width98" /><small>Quantity</small></div><div class="column width30"><span class="prices">Unit Price:<span class="UNITPRICE"></span><br />Total Price:<span class="TOTALPRICE"></span><br /><a href="#" id="RemoveProduct(".row'+(i)+'");">Remove</a></span></div>'); $('#OrderProducts').append(adding); adding.find("#PRODUCTNAME").autocomplete("orders.cs.asp?Process=ListProducts", { selectFirst: false }).result(function(event, data, formatted) { if (data) { adding.find(".UNITPRICE").html(data[1]); adding.find(".PRODUCTID").val(data[2]); adding.find(".TOTALPRICE").html(data[1] * $('.UNITQUANTITY').val()); } }); return false; }); $('#RemoveProduct').click(function() { $().remove(); return false; }); my html: <fieldset> <h2>Order Items</h2> <div id="OrderProducts"> <a href="#" id="AddProduct"><img src="icons/add.png" alt="Add" /></a> </div> </fieldset> edit Now I totaly messed it up. Removing a row is not working anymore as well... Test link: http://refinethetaste.com/html/cp/?Section=orders&Process=AddOrder#

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  • GetDC() DllImport for x64 apps

    - by devdept
    If you make a little research on the internet you'll see many DLLImport styles for this user32.dll function: HDC GetDC(HWND hWnd); The question is: what type is more appropriate for .NET x64 apps (either compiled with the Platform target as AnyCPU on a x64 machine or specifically as x64)? IntPtr for example grows to a size of 8 on a x64 process, can this be a problem? Is uint more appropriate than Uint64? What is the size of the pointers this function uses when used in a x64 process? The DLL is called user32.dll does it work as 32bit or 64bit on a x64 operating system? [DllImport("user32.dll",EntryPoint="GetDC")] public static extern IntPtr GetDC(IntPtr hWnd); public static extern uint GetDC(uint hWnd); public static extern int GetDC(int hWnd); Thanks!

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