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  • Getting jQuery to return an ajax object

    - by japancheese
    Hello, The question title is a bit strange because I'm not exactly sure how to phrase the problem. The issue is that I have many links to which I want to bind a click event with an ajax call, and I'm just looking to refactor some duplicate code into a single area. The links I'm trying to bind an ajax call only have one thing that differentiates them, and that's an id from a previously declared object. So I have lots of code that looks like this: $("a.link").bind('click', function() { id = obj.id; $.ajax({ url: "/set/" + id, dataType: 'json', type: "POST" }) }); I was trying to refactor it into something like this: $("a.link").bind('click', ajax_link(obj.id)); function ajax_link(id) { $.ajax({ url: "/set/" + id, dataType: 'json', type: "POST" }) }); However, as you can imagine, this just actually makes the ajax call when the element is binded with the click event. Is there an easy way to refactor this code so I can extract out the common ajax code into its own function, and hopefully reduce the number of lines of jQuery in my current script?

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  • Text Hints with JQuery and JavaScript for loop

    - by lpdahito
    Hey guys! I'm developing a small app where i ask users to put some info. I want to show text hints in the input fields. I do this in a for loop... When the page is loaded, the hints are displayed correctly but nothing happens on 'focus' and 'blur' events... I'm wondering why since when I don't use a 'for loop' in my js code, everything works find... By the way the reason I use a for loop is because I don't want to repeat myself following 'DRY' principles... Thx for your help! LP Here's the code: <script src="/javascripts/jquery.js" type="text/javascript"></script> <script type="text/javascript"> var form_elements = ['#submission_url', '#submission_email', '#submission_twitter'] var text_hints = ['Website Address', 'Email Address', 'Twitter Username (optional)'] $(document).ready(function(){ for(i=0; i<3; i++) { $(form_elements[i]).val(text_hints[i]); $(form_elements[i]).focus(function(i){ if ($(this).val() == text_hints[i]) { $(this).val(''); } }); $(form_elements[i]).blur(function(i){ if ($(this).val() != text_hints[i]) { $(this).val(text_hints[i]); } }); } }); </script>

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  • plupload with webpy.

    - by markus
    Hi, i have a problem. I want to upload a file with plupload with the HML5 runtime. This is my html/js code : jQuery(function(){ jQuery("#uploader").pluploadQueue({ // General settings runtimes : 'html5', name : 'file', url : 'http://server.name/addContent', max_file_size : '${maxSize}$_("GB")', }); jQuery('#form_upload_file').submit(function(e) { var uploader = jQuery('#uploader').pluploadQueue(); // Validate number of uploaded files if (uploader.total.uploaded == 0) { // Files in queue upload them first if (uploader.files.length > 0) { // When all files are uploaded submit form uploader.bind('UploadProgress', function() { if (uploader.total.uploaded == uploader.files.length) jQuery('#form_upload_file').submit(); }); uploader.start(); } else alert('You must at least upload one file.'); e.preventDefault(); } }); }); <form id="form_upload_file" action="#" method="POST"> <div id="uploader"></div> <input type="hidden" name="token" value="token" /> <input type="hidden" name="idUser" value="$idUser" /> </form> So, when i click in the button to upload(the submit() method is not called), it does an OPTIONS HTTP request to my server so i don't know what i must do to save the file? this is my webpy code : def OPTIONS(self): web.header('Content-type', 'text/plain: charset=utf-8') web.header('Cache-Control', 'no-store, no-cache, must-revalidate') web.header('Cache-Control', 'post-check=0, pre-check=0', False) web.header('Pragma', 'no-cache') def POST(self): input = web.input(_unicode=False, file={})#on récupère les input self.copy(input.file.file) etc. any idea ? thanks.

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  • Populate a form from SQL

    - by xrum
    Hi, I am trying to populate a web from from a SQL table. This is what I have right now, though I am not sure if it's the best way to do things, please give me suggestions: Public Class userDetails Public address1 As String Public address2 As String Public city As String ... ... ... End Class Public Class clsPerson 'set SQL connection Dim objFormat As New clsFormat Dim objConn As New clsConn() Dim connStr As String = objConn.getConn() Dim myConnection As New Data.SqlClient.SqlConnection(connStr) Public Function GetPersonDetails() As userDetails 'connection and all other good stuff here Try ' Execute the command myConnection.Open() dr = myCommand.ExecuteReader() ' Make sure a record was returned If dr.Read() Then ' Create and Populate ApplicantDetails userDetails.address1 = dr("address1") userDetails.address2 = objFormat.CheckNull(dr("address2")) userDetails.city = objFormat.CheckNull(dr("city")) .... Else Err.Raise(4938, "clsUser", "Error in GetUserDetails - User Not Found") End If dr.Close() Finally myConnection.Close() End Try Return userDetails End Function i then use GetPersonDetails() function in my backend to populate the form. like so: Dim userDetails as new userDetails userdetails = getPersonDetails() txtAddress.text = userdetails.address1 etc.... however, there are like 50 fields in the User db, and it seems like a lot of retyping... please help me find a better way to do this. Thank you!

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  • Cakephp ACL authentication issue - I'm locked out

    - by Baseer
    I've followed the CakePHP Cookbook ACL tutorial And as of right now I'm just trying to add users using the scaffolding method. I'm trying to go to /users/add but it always redirects me to the login screen even though I have added $this->Auth->allow('*'); in beforeFilter() temporarily to allow access to all pages. I've done this in both the UsersController and GroupsController as the tutorial asked. Below is my code for UsersController which I think will be the most relevant of all the files. Let me know if any other piece of code is required. <?php class UsersController extends AppController { var $name = 'Users'; var $scaffold; function beforeFilter() { parent::beforeFilter(); $this->Auth->allow('*'); } function login() { //Auth Magic } function logout() { //Leave empty for now. } } ?> I think I've pretty much followed the tutorial, any ideas as to what I may be missing? Thanks. I've been stuck on this for a while. =(

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  • searching for a programming platform with hot code swap

    - by Andreas
    I'm currently brainstorming over the idea how to upgrade a program while it is running. (Not while debugging, a "production" system.) But one thing that is required for it, is to actually submit the changed source code or compiled byte code into the running process. Pseudo Code var method = typeof(MyClass).GetMethod("Method1"); var content = //get it from a database (bytecode or source code) SELECT content FROM methods WHERE id=? AND version=? method.SetContent(content); At first, I want to achieve the system to work without the complexity of object-orientation. That leads to the following requirements: change source code or byte code of function drop functions add new functions change the signature of a function With .NET (and others) I could inject a class via an IoC and could thus change the source code. But the loading would be cumbersome, because everything has to be in an Assembly or created via Emit. Maybe with Java this would be easier? The whole ClassLoader is replacable, I think. With JavaScript I could achieve many of the goals. Simply eval a new function (MyMethod_V25) and assign it to MyClass.prototype.MyMethod. I think one can also drop functions somehow with "del" Which general-purpose platform can handle such things?

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  • Django stupid mark_safe?

    - by Mark
    I wrote this little function for writing out HTML tags: def html_tag(tag, content=None, close=True, attrs={}): lst = ['<',tag] for key, val in attrs.iteritems(): lst.append(' %s="%s"' % (key, escape_html(val))) if close: if content is None: lst.append(' />') else: lst.extend(['>', content, '</', tag, '>']) else: lst.append('>') return mark_safe(''.join(lst)) Which worked great, but then I read this article on efficient string concatenation (I know it doesn't really matter for this, but I wanted consistency) and decided to update my script: def html_tag(tag, body=None, close=True, attrs={}): s = StringIO() s.write('<%s'%tag) for key, val in attrs.iteritems(): s.write(' %s="%s"' % (key, escape_html(val))) if close: if body is None: s.write(' />') else: s.write('>%s</%s>' % (body, tag)) else: s.write('>') return mark_safe(s.getvalue()) But now my HTML get escaped when I try to render it from my template. Everything else is exactly the same. It works properly if I replace the last line with return mark_safe(unicode(s.getvalue())). I checked the return type of s.getvalue(). It should be a str, just like the first function, so why is this failing?? Also fails with SafeString(s.getvalue()) but succeeds with SafeUnicode(s.getvalue()). I'd also like to point out that I used return mark_safe(s.getvalue()) in a different function with no odd behavior.

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  • Javascript onunload form submit isn't submitting data

    - by Kevin
    I currently have form that checks if a user has unsubmitted changes when they leave the page with a function called through the onunload event. Here's the function: function saveOnExit() { var answer = confirm("You are about to leave the page. All unsaved work will be lost. Would you like to save now?"); if (answer) { document.main_form.submit(); } } And here's the form: <body onunload="saveOnExit()"> <form name="main_form" id="main_form" method="post" action="submit.php" onsubmit="saveScroll()"> <textarea name="comments"></textarea> <input type="submit" name="submit2" value="Submit!"/> </form> I'm not sure what I'm doing wrong here. The data gets submitted and saved in my database if I just press the submit button for the form. However, trying to submit the form through the onunload event doesn't result in anything being stored, from what I can tell. I've tried adding onclick alerts to the submitt button and onsubmit alerts to the form elements and I can verify that the submit button is being triggered and that the form does get submitted. However, nothing gets passed stored in the database. Any ideas as to what I'm doing wrong? Thanks.

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  • jquery png fix on hidden div and jquerybrowser question

    - by Jared
    Hello, I have some code that if Javascript is available, it will remove a GIF image and replace it with a PNG image. The PNG is display:none and the GIF is visible. Since IE6- browsers can't load PNG, I have loaded the jquery PNG fix. But it only seems to work if the image is already visible. The other issue is I am trying to get the jquery.browser function to apply to less than version 6, and I am not having much luck. <script type="text/javascript"> $(document).ready(function(){ $("#gif").hide(); jQuery.each(jQuery.browser, function(i, val) { if($.browser.msie && jQuery.browser.version <="6"){ $("#png").show(); $('.png').pngFix() }else{ $("#png").fadeIn("slow"); } }); }); </script> HTML <img class="png" id="png" src="images/main_elements/one-2-flush-it-campus-challenge.png" style="display:none;" /> <img id="gif" src="images/main_elements/one-2-flush-it-campus-challenge.gif"/>

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  • SFINAE failing with enum template parameter

    - by zeroes00
    Can someone explain the following behaviour (I'm using Visual Studio 2010). header: #pragma once #include <boost\utility\enable_if.hpp> using boost::enable_if_c; enum WeekDay {MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY}; template<WeekDay DAY> typename enable_if_c< DAY==SUNDAY, bool >::type goToWork() {return false;} template<WeekDay DAY> typename enable_if_c< DAY!=SUNDAY, bool >::type goToWork() {return true;} source: bool b = goToWork<MONDAY>(); compiler this gives error C2770: invalid explicit template argument(s) for 'enable_if_c<DAY!=6,bool>::type goToWork(void)' and error C2770: invalid explicit template argument(s) for 'enable_if_c<DAY==6,bool>::type goToWork(void)' But if I change the function template parameter from the enum type WeekDay to int, it compiles fine: template<int DAY> typename enable_if_c< DAY==SUNDAY, bool >::type goToWork() {return false;} template<int DAY> typename enable_if_c< DAY!=SUNDAY, bool >::type goToWork() {return true;} Also the normal function template specialization works fine, no surprises there: template<WeekDay DAY> bool goToWork() {return true;} template<> bool goToWork<SUNDAY>() {return false;} To make things even weirder, if I change the source file to use any other WeekDay than MONDAY or TUESDAY, i.e. bool b = goToWork<THURSDAY>(); the error changes to this: error C2440: 'specialization' : cannot convert from 'int' to 'const WeekDay' Conversion to enumeration type requires an explicit cast (static_cast, C-style cast or function-style cast)

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  • Controlling the scope of a document.write call coming from a third party

    - by pingrey
    Dear all, I'm writing a webpage that relies on an external javascript file (that I have no control of), which returns data by using document.write's. Is there any way to dynamically call the function without it overwriting the whole document? The most concise code I can think of is below: <html> <head> <script type="text/javascript"> function horriblefunction () { document.write("new text"); } </script> </head> <body> Starting Text... <div id="pleasewriteinme"></div> Other text... <button onclick="horriblefunction();">Click</button> </body> </html> The idea beginning that without altering "horriblefunction()" (as it's external) the new text could be placed in the div instead of overwriting the page. Is this possible or does the function have to be called inside the div as the page is created? Thanks for you help

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  • How to run javascript on an ajax output?

    - by WAC0020
    I am using jquery-ui tabs and ajax to load the content of the tabs. Here is my javascript: $(document).ready(function() { $("#tabs").tabs({ fx: { opacity: 'toggle' } }); $('.hd_item').hover(function() { //Display the caption $(this).find('span.hd_caption').stop(false,true).fadeIn(600); }, function() { //Hide the caption $(this).find('span.hd_caption').stop(false,true).fadeOut(400); }); }); When the user clicks on the tab is will load the content.php via ajax. The output of the ajax is: <li class="hd_item"> <img title="Backyard Brawl" alt="Backyard Brawl" src="games/normal_icons/1844.png" id="hd_icon"> <span class="hd_caption"> <h1>Backyard Brawl</h1> <p id="hd_description">In this game you pick a player and beat each other up with ...</p> <p id="hd_stat">Added: <br>2009-12-14</p><a href="/dirtpilegames/index.php?ground=games&amp;action=play&amp;dig=backyard-brawl">PLAY</a> </span> </li> The problem that I am having is the javascript is not working on the ajax output. How to I get it to work on it?

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  • How to document an accessor/mutator method in phpDoc/javaDoc?

    - by nickf
    Given a function which behaves as either a mutator or accessor depending on the arguments passed to it, like this: // in PHP, you can pass any number of arguments to a function... function cache($cacheName) { $arguments = func_get_args(); if (count($arguments) >= 2) { // two arguments passed. MUTATOR. $value = $arguments[1]; // use the second as the value $this->cache[$cacheName] = $value; // *change* the stored value } else { // 1 argument passed, ACCESSOR return $this->cache[$cacheName]; // *get* the stored value } } cache('foo', 'bar'); // nothing returned cache('foo') // 'bar' returned How do you document this in PHPDoc or a similar automated documentation creator? I had originally just written it like this: /** * Blah blah blah, you can use this as both a mutator and an accessor: * As an accessor: * @param $cacheName name of the variable to GET * @return string the value... * * As a mutator: * @param $cacheName name of the variable to SET * @param $value the value to set * @return void */ However, when this is run through phpDoc, it complains because there are 2 return tags, and the first @param $cacheName description is overwritten by the second. Is there a way around this?

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  • Fullcalendar tieing into my database

    - by Ed
    I am trying to figure out this fullcalendar and how to get events from database. I am using asp .net I am using a webservice that has something like this. I am just trying to put a test record first then I will tie it to the database once i get it working. Any help would be greatly appreciated! Thanks alot! Just trying to figure out how to tie my webservice. So my webservice goes like so. _ _ _ _ Public Class WebService1 Inherits System.Web.Services.WebService <WebMethod()> _ <ScriptMethod(ResponseFormat:=ResponseFormat.Json, UseHttpGet:=True)> _ Public Function Getcalendar() As String Dim sb As New StringBuilder Dim sw As New IO.StringWriter(sb) Dim strOut As String = String.Empty Using writer As New JsonTextWriter(sw) writer.WriteStartObject() writer.WritePropertyName("id") writer.WriteValue("999") writer.WritePropertyName("title") writer.WriteValue("my test") writer.WritePropertyName("allday") writer.WriteValue("false") writer.WritePropertyName("start") writer.WriteValue("2010-04-14T11:00:00") writer.WritePropertyName("end") writer.WriteValue("2010-04-14T13:00:00") writer.WriteEndObject() strOut = sw.ToString End Using Return strOut End Function End Class And my html goes like this <script type="text/javascript"> $(document).ready(function() { $('#calendar').fullCalendar({ header: { left: 'prev,next today', center: 'title', right: 'month,agendaWeek,agendaDay' }, editable: true, events: RVCSC.WebService1.Getcalendar() }); });

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  • Help Needed With AJAX Script

    - by Brian
    Hello All I am working on an AJAX script but am having difficulties. First, here is the script: var xmlHttp; function GetXmlHttpObject(){ var objXMLHttp=null if (window.XMLHttpRequest){ objXMLHttp=new XMLHttpRequest() } else if (window.ActiveXObject){ objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP") } return objXMLHttp } function retrieveData(){ var jBossServer = new Array(); jBossServer[0] = "d01"; jBossServer[1] = "d02"; jBossServer[2] = "p01"; jBossServer[3] = "p02"; for(var i=0; i<jBossServer.length; i++){ xmlHttp = GetXmlHttpObject(); if (xmlHttp == null){ alert ("Something weird happened ..."); return; } var url="./retrieveData.php"; url = url + "?jBossID=" + jBossServer[i]; url = url + "&sid=" + Math.random(); xmlHttp.open("GET",url,true); xmlHttp.onreadystatechange = updateMemory; xmlHttp.send(null); } } function updateMemory(){ if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete"){ aggregateArray = new Array(); aggregateArray = xmlHttp.responseText.split(','); for(var i=0; i<aggregateArray.length; i++){ alert(aggregateArray[i]); } return; } } The "retrieveData.php" page will return data that looks like this: d01,1 MB,2 MB,3 MB They relate to my 4 servers d01, d02, p01, and p02 (dev and prod). What I am doing is scraping the memory information from http://127.0.0.1:8080/web-console/ServerInfo.jsp I want to save code so I attempted to put the AJAX xmlHttp call into a loop, but I don't think it is working. All I ever get back is the information for "p02" four times. Am I able to do what I want or do I need four different functions for each server (i.e., xmlHttpServer01, xmlHttpServer02, xmlHttpServer03, xmlHttpServer04)? Thank you all for reading, have a good day. :)

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  • Populate table with JQuery

    - by Talkar
    I need to populate some data into a table. The data i have is something i get in response from my ASP.NET MVC site, when i make a json post call there. Yet i can't seem to find a way to actually display the data i get back in response. Here is my code so far. Any help would be much appreciated: $(document).ready(function () { var uName = '<%= Session["UserName"].ToString()%>'; var pWord = '<%= Session["Password"].ToString()%>'; var data = { UserName:uName,Password:pWord}; $.ajax( { type: 'POST', url: "http://someurl.goes.here/", crossDomain: true, data: data, dataType: 'jsonp', success: function(myData) { $.each(myData, function (index, element) { $("#ClassTable").append('<tr><td> ' + element[0] + ' </td> <td> ' + element[1] + '</td></tr>'); }) } }); }); myData looks like this: [Object { IsActive = True, ObjectId=1, ObjectString="someString", etc... etc... } ]

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  • Login Page using ASP.Net & Ajax

    - by user1293474
    I'm trying to make a login page using html, ajax & ASP.NET.The data is truly passed to the ajax function, but when I debug the asp page the username and password are sent with NULL. The code is supposed to take username & password then returns the userid Html page: <div id="usernameid">Username:</div><input id="username" type="text"/> <span id="username_status"></span> <div id="passwordid">Password:</div><input id="password" type="password"/> <span id="password_status"></span> <div> <input id="loginbutton" onclick="UserLogin()" type="submit" value="Submit" /></div> Javascript: function UserLogin() { var postData = JSON.stringify({ "username": JSON.stringify($("#username").val()), "password": JSON.stringify($("#password").val()) }); alert(postData); $.ajax({ type: "GET", url: "http://localhost:49317/LoginPageForLearn.aspx", data: postData, contentType: "application/json; charset=utf-8", dataType: "jsonp", jsonp: 'jsoncallback', success: callbackfunction, error: function (msg) { alert(msg); } }); } Asp.net page: protected void Page_Load(object sender, EventArgs e) { string userName = ""; int userId = -1; string PassWord = ""; if (Request.QueryString.Count != 0 && Request.QueryString["username"] != string.Empty && Request.QueryString["password"] != string.Empty) { userName = Request.QueryString["username"]; PassWord = Request.QueryString["password"]; userId = GetUserID(userName, PassWord); } } Do you have any ideas why isn't the data passed correctly ? Or do you have any other ideas on how can I make a login page using html and access the data at SQL. Thanks a lot.

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  • jQuery validate plugin against custom jQueryUI datePickers

    - by Enrique
    I have some datePickers I've customized these so they show only month and year This is the code to create them jQuery("input[name*='fechauso']").each(function() { jQuery(this).datepicker({ changeMonth: true, changeYear: true, showButtonPanel: true, dateFormat: 'MM yy', constrainInput: true, showOn: 'button', buttonText: 'Seleccionar...', onClose: function(dateText, inst) { var month = jQuery("#ui-datepicker-div .ui-datepicker-month :selected").val(); var year = jQuery("#ui-datepicker-div .ui-datepicker-year :selected").val(); jQuery(this).datepicker('setDate', new Date(year, month, 1)); } }); }); Now I've added a custom validator method (using plugin) to check this: If user didn't select a date using the button, field is empty, so the custom validator method should fire. This doesn't happen. Here is the custom validate method jQuery.validator.addMethod("isEmpty", function(value, element) { return (value == ''); }, "Must select a date with the button besides control"); jQuery("#ct_2_fechauso").rules("add", { required: "#campotilde_psico:checked", isEmpty: true }); The problem is that even if I select a date, it always ask me to select a date again. datePicker fields should be readonly

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  • IE problem: keyboard interaction with checkbox

    - by Bobby Eickhoff
    I have an HTML table, and each row has a checkbox for selecting or deselecting its row. Whenever a checkbox changes value, I need to add or remove highlighting to the row and also ensure that the page's submit button is only enabled when at least one row is selected and disabled otherwise. The checkbox event handler is defined by the following function: function getCheckboxCallback() { return function () { var parentRow = getParentRow(this); if (!parentRow) { return; // No parent row found; abort } // Adjust the appearance of the row setSelected(parentRow, this.checked); // Count the number of selected table rows, and disable the submit // button whenever no rows are selected enforceInvariants(); return true; }; } Elsewhere in the same module, the checkboxes are given the event handlers: checkbox.onchange = getCheckboxCallback(); checkbox.onclick = getCheckboxCallback(); // alleged IE fix I'm working in Windows XP, and everything works fine in both Firefox 3 and Opera 9. However, IE 7 does not handle keyboard interaction well (mouse interaction works fine). The problem is that if a checkbox has the focus and I hit the spacebar, the checkbox doesn't get checked -- instead it gets half checked (it has the same shadowed appearance that it would get immediately after a mousedown). I have to press the spacebar a second time to actually check the box. Similarly, it requires two key presses to uncheck it. Oddly enough, if I hold down the spacebar for a few moments, then a single press works as expected. Can anyone explain what is going on here? Is there something I'm doing wrong in the JavaScript code that is causing this behavior? How can I fix this?

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  • Drawing half of a Bezier path in Raphael

    - by Fibericon
    Let's say I have a cubic Bezier path as follows (formatted for use with the Raphael path function): M55 246S55 247 55 248 Just an example. This was taken from my drawing application, where I use the cursor to draw a line when the user holds the mouse button down, kind of like a pencil or marker. I'm using jquery's mousemove event to draw the line between two points every time the user moves the mouse. There is another (the reference point) that is taken before the line is drawn, so that the Bezier curve can be created. Here's my question: is it possible to make Raphael only draw half of a given path? I'm aware of the getSubpath() function, but if my understanding of Bezier curves is correct, it would be rather difficult to calculate the second argument. The problem with the animate function is that it creates double lines (that is, it creates the curved line that I want, and the boxy line around it which should not be shown, possibly because the mouse is being moved faster than the animation can handle). Of course, if my approach itself is flawed in some way (or my understanding of the possible solutions), I'd like to hear it. Any help would be appreciated.

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  • Rijndael managed: plaintext length detction

    - by sheepsimulator
    I am spending some time learning how to use the RijndaelManaged library in .NET, and developed the following function to test encrypting text with slight modifications from the MSDN library: Function encryptBytesToBytes_AES(ByVal plainText As Byte(), ByVal Key() As Byte, ByVal IV() As Byte) As Byte() ' Check arguments. If plainText Is Nothing OrElse plainText.Length <= 0 Then Throw New ArgumentNullException("plainText") End If If Key Is Nothing OrElse Key.Length <= 0 Then Throw New ArgumentNullException("Key") End If If IV Is Nothing OrElse IV.Length <= 0 Then Throw New ArgumentNullException("IV") End If ' Declare the RijndaelManaged object ' used to encrypt the data. Dim aesAlg As RijndaelManaged = Nothing ' Declare the stream used to encrypt to an in memory ' array of bytes. Dim msEncrypt As MemoryStream = Nothing Try ' Create a RijndaelManaged object ' with the specified key and IV. aesAlg = New RijndaelManaged() aesAlg.BlockSize = 128 aesAlg.KeySize = 128 aesAlg.Mode = CipherMode.ECB aesAlg.Padding = PaddingMode.None aesAlg.Key = Key aesAlg.IV = IV ' Create a decrytor to perform the stream transform. Dim encryptor As ICryptoTransform = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV) ' Create the streams used for encryption. msEncrypt = New MemoryStream() Using csEncrypt As New CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write) Using swEncrypt As New StreamWriter(csEncrypt) 'Write all data to the stream. swEncrypt.Write(plainText) End Using End Using Finally ' Clear the RijndaelManaged object. If Not (aesAlg Is Nothing) Then aesAlg.Clear() End If End Try ' Return the encrypted bytes from the memory stream. Return msEncrypt.ToArray() End Function Here's the actual code I am calling encryptBytesToBytes_AES() with: Private Sub btnEncrypt_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEncrypt.Click Dim bZeroKey As Byte() = {&H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0, &H0} PrintBytesToRTF(encryptBytesToBytes_AES(bZeroKey, bZeroKey, bZeroKey)) End Sub However, I get an exception thrown on swEncrypt.Write(plainText) stating that the 'Length of the data to encrypt is invalid.' However, I know that the size of my key, iv, and plaintext are 16 bytes == 128 bits == aesAlg.BlockSize. Why is it throwing this exception? Is it because the StreamWriter is trying to make a String (ostensibly with some encoding) and it doesn't like &H0 as a value?

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  • Handling Errors in PHP

    - by Mike
    I have a custom class that, when called, will redirect to a page and send a 'message_type' and 'message' variable via GET. When the page opens it checks for these variables and displays a 'success', 'warning', or 'error' message depending on the 'message_type' variable. I made it so the user thinks they stay on the same page. It also allows for other variables to be passed along with the message. Is this good practice, or should I just start using exceptions? Example: //Call a static function that will redirect to a page, with an error message RedirectWithMessage::go('somepage.php', MessageType::ERROR, 'Error message here.'); The following checkMessage() function is an include file: function checkMessage() { if((isset($_GET['message_type']) && strlen($_GET['message_type'])) && (isset($_GET['message']) && strlen($_GET['message_type']))) { DisplayMessage::display($_GET['message_type'], $_GET['message']); return true; } return false; } On the page that is redirected to, call checkMessage(); //If a message is received, display it. If not, do nothing checkMessage(); I know this might be vague, and I can supply more code if necessary. I guess the issue is that I don't have much experience using exceptions, but I think they seem cumbersome (writing try-catch blocks everywhere). Please let me know if I am making this more difficult for myself or if there is a better solution. Thanks! Mike

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  • Rails ajax jquery problem

    - by user283179
    Ok I have this problem I'm trying to use Jquery to load a partial in replace of a listed object. loadshow: $(function() { $(".style_image_<%= style.id %> a").click(function() { $(".style_image_<%= style.id %>").html("loading... ") $(".style_image_<%= style.id %>").html("<%= escape_javascript(render("show")) %>") $.get(this.href, null, null, "html"); return false; }); }); _show.html.erb: <%=link_to image_tag(style.cover.pic.url(:normal)), style %> I'm getting this error: missing ) after argument list [Break on this error] $(".style_image_<%= style.id %>").htm...scape_javascript(render("show")) %>")\n There is two problems with my code here the first is the click function is not targeting the .style_image_<%= style.id % .... i.e (.style_image_42) if I replace the css target with 42 instead of _style.id the click target works; why is this? And with or without this change the _show partial is not render and the above error is given. Not really that good with Javascript any help would be great! P.s. The effect I really want is like one of those super cool cargo themes: http://cargocollective.com/publikspace Thanks Dan!

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  • jQueryUI: Sortable <thead> messes up ie ANY IE when css display property is set to RELATIVE

    - by Zlatev
    As the title describes most of the problem. Here is the example code that works as expected in Firefox. Could someone provide a workaround or fix? In action JavaScript $(function() { $('table thead').sortable({ items: 'th', containment: 'document', helper: 'clone', cursor: 'move', placeholder: 'placeHold', start: function(e, ui) { $overlay=$('<div>').css({ position: 'fixed', left: 0, top: 0, backgroundColor: 'black', opacity: 0.4, width: '100%', height: '100%', zIndex: 500 }).attr('id','sortOverlay').prependTo(document.body); $(this).parent().css({ position: 'relative', zIndex: 1000}); }, stop: function(e, ui){ $('#sortOverlay').remove(); $(this).parent().css({ position: 'static' }); } }); }); CSS <style type="text/css"> table { background-color: #f3f3f3; } table thead { background-color: #c1c1c1; } .placeHold { background-color: white; } </style> HTML <table> <thead><th>th1</th><th>th2</th><th>th3</th><th>th4</th></thead> <tbody> <tr> <td>content</td><td>content</td><td>content</td><td>content</td> </tr> </tbody> </table>

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  • Customize jQuery.aptags plugin - mouseclick submit from dropdown list

    - by atmorell
    Hello, I am using jquery.autocomplete.js and jquery.apitags to select a few elements from a dropdown list. This works great, and I can select multiple elements etc. However the jquery-aptags plugin does only fire when enter is pressed. This might confuse some users if they use the mouse to click instead of the arrows/enter on the keyboard. I think this is the code inside jquery.aptags that submits the tag. // // Hook to the keypress event. // $(this).bind('keypress', { __c: __c }, function (e) { var c = ''; var i = 0; var v = $(this).val(); if (e.keyCode == 13) { e.stopPropagation(); e.preventDefault(); __createSpans(this, v, e.data.__c, true); } }); I am wondering if it is possible to call the method directly from a new event. $('.ac_results > ul > li').livequery(function() { $(this).bind('click', function() { $('#address_city').aptags({__createSpans}); }); }); Any thoughts?

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