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  • ajax request rely on the previous one

    - by Lynn
    I want to do something like this: $.ajax({ url: SOMEWHERE, ... success: function(data){ // do sth... var new_url = data.url; $.ajax({ url: new_url, success: function(data){ var another_url = data.url; // ajax call rely on the result of previous one $.ajax({ // do sth }) } }) }, fail: function(){ // do sth... // ajax call too $.ajax({ // config }) } }) the code looks like shit. I wonder how to make it looks pretty. Some best practice?

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  • Facebook connect | Django exception

    - by MMRUser
    Continue from this question. I'm getting this error when running the application Caught an exception while rendering: Tried xd_receiver in module myfirstapp.fbapp.views. Error was: 'module' object has no attribute 'xd_receiver' <script src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US" type="text/javascript"></script> <script type="text/javascript"> FB_RequireFeatures(["XFBML"], function() { FB.Facebook.init("{{ facebook_api_key }}", " {% url facebook_xd_receiver %} ") } ); function facebookConnect(form){ FB.Connect.requireSession(); FB.Facebook.get_sessionState().waitUntilReady( function(){ form.submit(); } ); } PS: Can somebody please tell me a good tutorial on django socialregistration (which covers all the basic steps) I'm a newbe, I tried facebook dev tutorial but that also didn't work..

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  • passing a variable to a ajax request Jquery

    - by user304735
    Hello, I am trying to pass a variable to an ajax request via jquery. I have a triggered event that defines the variable. I want to do this so that I can have one ajax request handle multiple urls. I have alerted the url and it come back fine, but when I plug it into the URL slot of a $.ajax request my targeted content does not load. Here is my code. $(document).ready(function(){ $('a').live('click', function(){ var link = $(this).attr("href"); $.ajax({ url: link, success: function(html){ $('#load').html(html) } }); }); }); this has been a real headache and I feel I am just misusing something. Please help.

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  • Trouble with javascript subtraction

    - by rockinthesixstring
    I'm working on a simple subtraction problem, but unfortunately it keeps returning NaN Here is the function function subtraction(a, b) { var regexp = /[$][,]/g; a = a.replace(regexp, ""); b - b.replace(regexp, ""); var _a = parseFloat(a); var _b = parseFloat(b); return _a - _b; } And here is how I'm calling it. txtGoodWill.value = subtraction(txtSellingPrice.value, txtBalanceSheet.value); The numbers that get submitted to the function are ONLY Currency (IE: $2,000 or $20, etc) Now I know that I cannot subtract numbers with a $ or a ,, but I can't for the life of me figure out why they are getting evaluated in the equasion.

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  • how to check if there is a division by zero in c

    - by user244775
    #include<stdio.h> void function(int); int main() { int x; printf("Enter x:"); scanf("%d", &x); function(x); return 0; } void function(int x) { float fx; fx=10/x; if(10 is divided by zero)// I dont know what to put here please help printf("division by zero is not allowed"); else printf("f(x) is: %.5f",fx); }

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  • typeid , dynamic casting (upcast) and templates

    - by David
    Hello, I have few questions regarding dynamic casting , typeid() and templates 1) How come typeid does not require RTTI ? 2) dynamic_cast on polymorphic type: When I do downcast (Base to Derive) with RTTI - compilation passes When RTTI is off - I get a warning (warning C4541: 'dynamic_cast' used on polymorphic type 'CBase' with /GR-; unpredictable behavior may result) When I do upcast (Derive to Base), with or without RTTI - compilation passes smoothly What I don't understand is why when I do upcast and RTTI is off - I don't get any warning/error! 3) dynamic_cast on NON polymorphic type: When I do downcast with or without RTTI - compilation fails (error C2683: 'dynamic_cast' : 'CBase' is not a polymorphic type) BUT When I do upcast with or without RTTI - compilation passes smoothly. How come on upcast on NON polymorphic type passes w/o RTTI ? 4) Does 'inline' in front of a template function has any effect, i.e. when the compiler compiles the function and see it is 'inline' it will actually treat the function as inline or it is ignored? Thank you very much for the assistance David

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  • JavaScript Intellisene Problem?

    - by James Wiseman
    I've got an issue with JavaScript intellisense in Visual Web Developer 2008, which I'm starting to believe is "just one of those things", but thought I'd ask here just to check. I have a file MyOtherFile.js with a function GetRandomNumber() defined like so: function GetRandomNumber() { /// <summary> /// Summary description for GetRandomNumber /// </summary> return Math.random(); } When I reference this from another file, screen.js (/// <reference path="MyOtherFile.js" />) I get the intellisense as expected with the summary text as above. If, however, I call the function GetRandomNumber from within its own file (MyOtherFile.js) then I don't get the sumamry description. Any thoughts? Thanks.

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  • How to add animation on open of a Jquery SimpleModal?

    - by Obay
    The animation-enabled example in the SimpleModal site has this animation: 1. Fade in the overlay 2. Slide down the modal div This is the code: $("#the-div").modal({ onOpen: function (dialog) { dialog.overlay.fadeIn('fast', function () { dialog.data.hide(); dialog.container.show('fast', function () { dialog.data.slideDown('fast'); }); }); }}); I want this animation instead: 1. Just display the modal 2. Fade in the overlay Alas, simply removing the 2nd parameter of dialog.overlay.fadeIn() from the code above doesn't work. I also tried removing the parameters of dialog.container.show(), also changing it to dialog.container.open(). I've tried other combinations of the code, to no avail. How do I achieve the animation that I wish?

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  • jquery nodename returning undefined

    - by matthewsteiner
    This code isn't for anything in particular. I'm just trying to successfully get the tagName or nodeName of an element. However, when I run the following code, I always get an alert saying "undefined". I'm wondering if it's because this function executes when the document is ready? Is there a different place I should be doing this? Or is it probably my other javascript code conflicting somehow (I would doubt). $(document).ready(function(){ $('#first').hover(function() { alert($('#last').nodeName); }); });

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  • OpenCV, Python (ctypes), and OS X 10.5: dylib errors/confusion

    - by Jeff
    I have tried two brands of ctypes (ctypes-opencv and another) wrappers for OpenCV (2.0 from svn head), can use Python and OpenCV in the Python console, but whenever I try to import the packages (from ctypes_opencv import *) from another Python file, I get the following error message: OSError: dlopen(/usr/local/lib/libcv.dylib, 6): Symbol not found: __ZN2cv10fastMallocEm Referenced from: /usr/local/lib/libcv.dylib Expected in: flat namespace And some more Python errors: module body in __init__.py at line 18 from ctypes_opencv.cxcore import * module body in cxcore.py at line 80 _cxDLL, _cvDLL, _hgDLL = detect_opencv() function detect_opencv in cxcore.py at line 59 cvDLL = cdll.LoadLibrary(find_lib('cv')) function LoadLibrary in __init__.py at line 431 return self._dlltype(name) function __init__ in __init__.py at line 353 self._handle = _dlopen(self._name, mode) I most recently built OpenCV using flags the ctypes_opencv wiki recommended: ENABLE_SSE(2) OFF and BUILD_NEW_PYTHON_SUPPORT OFF. I've tried a number of flag combinations though. I also tried using the MacPorts install of OpenCV, got the same messages, uninstalled it, and now it errors out as well. :P And if that wasn't enough, I tried using the latest ctypes wrapper, but get boost-jam errors. Any help would be very much appreciated.

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  • how to get the sql connection

    - by sweetsecret
    FS_Setting is a VB class which has all the details of the connections ie: Public Class FS_Setting Public Function Get_RS_Connection() As SqlConnection Try Get_RS_Connection = New SqlConnection("Data Source=***********;User ID=sa;Password=*****;database=*********") Catch ex As System.Exception Throw New System.Exception("Get_RS_Connection Error:" + ex.Message) End Try End Function I need to call the function Get_RS_Connection() in a different class instead of getting the connection all the way again and hard coding.... I want to call the above class where the SQL connection is declared Namespace FS_Library Public Class FS_Errorlog Inherits FS_BaseClass Try **cn = New SqlConnection("Data Source=***********;UserID=sa;Password=*****;database=*********")** cmd = New SqlCommand("dbo.FS_ErrorLog_ADD", cn) cmd.CommandType = CommandType.StoredProcedure cmd.CommandTimeout = Convert.ToInt32(ConfigurationSettings.AppSettings("Command_Timeout")) Me.AddParameter(cmd, "@p_tableKey", SqlDbType.Int, tableKey) Me.AddParameter(cmd, "@p_FunctionCode", SqlDbType.Int, FunctionCode) Me.AddParameter(cmd, "@p_TableAlias", SqlDbType.VarChar, TableAlias) Me.AddParameter(cmd, "@p_ValidationCode", SqlDbType.Int, ValidationCode) If Filename = "" Then Filename = "N/A" End If Me.AddParameter(cmd, "@p_FileName", SqlDbType.VarChar, Filename) Me.AddParameter(cmd, "@p_Message", SqlDbType.VarChar, Message) Me.AddParameter(cmd, "@p_CreateUser", SqlDbType.VarChar, userID) Me.AddParameter(cmd, "@p_UserActionID", SqlDbType.UniqueIdentifier, UserActionID) cn.Open()

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  • ado.net managing connections

    - by madlan
    Hi, I'm populating a listview with a list of databases on a selected SQL instance, then retrieving a value from each database (It's internal product version, column doesn't always exist) I'm calling the below function to populate the second column of the listview: item.SubItems.Add(DBVersionCheck(serverName, database.Name)) Function DBVersionCheck(ByVal SelectedInstance As String, ByVal SelectedDatabase As String) Dim m_Connection As New SqlConnection("Server=" + SelectedInstance + ";User Id=sa;Password=password;Database=" + SelectedDatabase) Dim db_command As New SqlCommand("select Setting from SystemSettings where [Setting] = 'version'", m_Connection) Try m_Connection.Open() Return db_command.ExecuteScalar().trim m_Connection.Dispose() Catch ex As Exception 'MessageBox.Show(ex.Message) Return "NA" Finally m_Connection.Dispose() End Try End Function This works fine except it's creating a connection to each database and leaving it open. My understanding is the close()\dispose() releases only the connection from the pool in ado rather than the actual connection to sql. How would I close the actual connections after I've retrieved the value? Leaving these open will create hundreds of connections to databases that will probably not be used for that session.

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  • pl/sql object types "ORA-06530: Reference to uninitialized composite" error

    - by mutoss
    hi, i have a type as follows: CREATE OR REPLACE TYPE tbusiness_inter_item_bag AS OBJECT ( item_id NUMBER, system_event_cd VARCHAR2 (20), CONSTRUCTOR FUNCTION tbusiness_inter_item_bag RETURN SELF AS RESULT ); CREATE OR REPLACE TYPE BODY tbusiness_inter_item_bag AS CONSTRUCTOR FUNCTION tbusiness_inter_item_bag RETURN SELF AS RESULT AS BEGIN RETURN; END; END; when i execute the following script, i got a "Reference to uninitialized composite" error, which is imho quite suitable. DECLARE item tbusiness_inter_item_bag; BEGIN item.system_event_cd := 'ABC'; END; This also raises the same error: item.item_id := 3; But if i change my object type into: CREATE OR REPLACE TYPE tbusiness_inter_item_bag AS OBJECT ( item_id NUMBER(1), system_event_cd VARCHAR2 (20), CONSTRUCTOR FUNCTION tbusiness_inter_item_bag RETURN SELF AS RESULT ); then the last statement raises no more error (where my "item" is still uninitialized): item.item_id := 3; Shouldn't i get the same ORA-06530 error? ps: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi

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  • jQuery show div click to hide then do not show again

    - by Jonny Wood
    I am using jQuery to hide a div on my page: $(document).ready(function(){ $('#message').hide(); When a certain part of the page scrolls into view the div shows using $(window).scroll(function() { var top = 0; top = $(window).scrollTop(); if((top >= 1000) && (top < 2000)){ $('#message').fadeIn('slow'); } } I want to add a close button to this as follows $('a#message-hide').click(function() { $('#message').hide('fast'); return false; All good so far but the part I cannot figure out is how to then STOP the div re-appearing when the user scrolls back to the trigger position on the page...?

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  • ActionScript 3 class over several files - how?

    - by Poni
    So, how do we write a class over several files in action script 3? In C# there's the "partial" keyword. In C++ it's natural (you just "#include ..." all files). In Flex 3, in a component, you add this tag: <mx:Script source="myfile.as"/>. How do I split the following class into several files; package package_path { public class cSplitMeClass { public function cSplitMeClass() { } public function doX():void { // .... } public function doY():void { // .... } } } For example I want to have the doX() and doY() functions implemented in another ".as" file. Can I do this? And please, don't tell me something like "a good practice is to have them in one file" :)

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  • can't load/read yahoo geocode as xml and read it in jquery

    - by mastah
    Hi, I tried saving the result as an xml, when I read from there it works, but if I read it from yahoo's api, doesn't load anything. You can check it here here's my script $(document).ready(function(){ $.ajax({ type: "GET", url: "http://local.yahooapis.com/MapsService/V1/geocode?appid=YD-9G7bey8_JXxQP6rxl.fBFGgCdNjoDMACQA--&zip=10035", dataType: "xml", success: function(xml) { $(xml).find('Result').each(function(){ var city = $(this).find('City').text(); var state = $(this).find('State').text(); $('<div />').html('<p>'+city+'</p><p>'+state+'</p>').insertAfter('h2'); }); } }); });

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  • django 'urlize' strings form tect just like twitter

    - by dana
    heyy there i want to parse a text,let's name it 'post', and 'urlize' some strings if they contain a particular character, in a particular position. my 'pseudocode' trial would look like that: def urlize(post) for string in post if string icontains ('#') url=(r'^searchn/$', searchn, name='news_searchn'), then apply url to the string return urlize(post) i want the function to return to me the post with the urlized strings, where necessary (just like twitter does). i don't understand: how can i parse a text, and search for certain strings? is there ok to make a function especially for 'urlizing' some strings? The function should return the entire post, no matter if it has such kind of strings. is there another way Django offers? Thank you

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  • Using "class/object" MooTools-style events in jQuery

    - by Infinity
    One of the nice things about MooTools, is that it lets you easily assign/fire events to objects, for example: var playerSingleton = new (new Class({ Implements: [Events], initialize: function() {}, setVolume: function() { // do some stuff.. this.fireEvent('volumeChanged') } })); // Somewhere else... playerSingleton.addEvent('volumeChanged', function() { // do something when volume changes }); playerSingleton.setVolume(75); // bam our event fires. How would something like this be done with jQuery? I know there's .bind and .trigger, but it seems like the only way to do this is to bind/fire events to the window object: $(window).bind('volumeChanged', fn); Is there anything better than this, more like the MooTools approach? Thanks!

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  • Ambiguous reference when getter/setter have different visibilities

    - by Warren Seine
    The following code raises an ambiguous reference to value at compile time: import flash.display.Sprite; public class Main extends Sprite { private var _value : Number = 0.; public function get value() : Number { return _value; } private function set value(v : Number) : void { _value = v; } public function Main() : void { value = 42.; } } I suspect some kind of bug in the compiler, though I didn't actually read the ECMA standard. Before someone asks those questions: Private setters do make sense. The ambiguity also exists with custom namespaces (which is the problem I'm facing).

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  • Getting the PC value in ARM assembly

    - by PaulH
    I have a Windows Mobile 6 ARMV4I project where I would like to get the value of the program counter. The function is declared like this: extern "C" unsigned __int32 GetPC(); My assembly code looks like this: GetPC FUNCTION EXPORT GetPC ldr r0, [r15] ; load the PC value in to r0 mov pc, lr ; return the value of r0 ENDFUNC But, when I call the GetPC() function, I get the same number every time. So, I'm assuming my assembly isn't doing what I think it's doing. Can anybody point out what I may be doing wrong? Thanks, PaulH

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  • Prototype hide/show

    - by Kyle Sevenoaks
    Hi, I am a Javascript/jQuery/Prototype newcomer and I have a page that has a Prototype function to get info from a database and put it into some input fields. This was made before I came to work on this site and now I've been asked to add a hide/show div function. I tried it in jQuery and there were clashes with the two frameworks, (as found in my previous question). My question now is, how would I go about building a show/hide function in Prototype? I think it will be easier to do it this way than to re-build the info grabber. The page I want to add this to is here. (the green "ny kunde" button should show the div directly below it newCustomer. Thanks. :)

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  • Identifying dynamically generated elements

    - by Hulk
    In the following code, <script> function val() { //get alltextarea to validate } $(document).ready(function() { var html= '<form>' html += '<textarea name="test" id="test"'; html += '<textarea name="test1" id="test1"'; html += 'form'; $('#get_div').append(); }); </script> <div id= "get_div"></div> <input type="button" onclick="val();" The two textareas are dynamically generated.Now how to validate it in function val.When i do $('#test').val() or document.getElementbyId(test).value I could not find the values of the textareas Thanks..

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  • Looking for popUpMenuPositioningItem:atLocation:inView: equivalent for 10.5

    - by Daniel Jette
    I'm working on an application that needs to display a context menu on screen in various scenarios. In the function I'm writing, I don't have access to any NSWindows or NSViews. I'd like to use popUpMenuPositioningItem:atLocation:inView as this function works perfectly for me in 10.6. However, we have a requirement to support 10.5, so this function isn't available to me. The feature I'm most interested in, as stated in the documentation is: If view is nil, the location is interpreted in the screen coordinate system. This allows you to pop up a menu disconnected from any window. Basically, I need to display the context menu given a location on screen, but without any associated view. Is there any way to achieve this on 10.5?

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  • jQuery in Opera User JS Doesn't Work

    - by Axonn
    Hello ::- ). I'm playing with some Opera User JS. I included "1jquery.min.js" in my User JS folder (1 in front because Opera loads them alphabetically). Unfortunately, it doesn't appear to be working. window.onload = OnWindowLoad; $(document).ready(function() { alert ($('#area_19')); }); function OnWindowLoad () { alert ($('#area_19')); alert(document.getElementById("area_19")); } What's interesting about this code is that the first two alerts come back in NULL, but the last one does find the object! So the element definitely exists in the page, but my jQuery seems unable to get it. What's even stranger is that the jQuery "ready" function works, indicating that I do have jQuery capability. I'm quite puzzled about all this ::- /. Hopefully somebody can give me a clue ::- ).

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