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• MySQL COUNT() total posts within a specific criteria?

  - by newbtophp

  Hey, I've been losing my hair trying to figure out what I'm doing wrong, let me explain abit about my MySQL structure (so you get a better understanding) before I go straight to the question. I have a simple PHP forum and I have a column in both tables (for posts and topics) named 'deleted' if it equals 0 that means its displayed (considered not deleted/exists) or if it equals 1 it hidden (considered deleted/doesn't exist) - bool/lean. Now, the 'specific criteria' I'm on about...I'm wanting to get a total post count within a specific forum using its id (forum_id), ensuring it only counts posts which are not deleted (deleted = 0) and their parent topics are not deleted either (deleted = 0). The column/table names are self explanatory (see my efforts below for them - if needed). I've tried the following (using a 'simple' JOIN): SELECT COUNT(t1.post_id) FROM forum_posts AS t1, forum_topics AS t2 WHERE t1.forum_id = '{$forum_id}' AND t1.deleted = 0 AND t1.topic_id = t2.topic_id AND t2.deleted = 0 LIMIT 1 I've also tried this (using a Subquery): SELECT COUNT(t1.post_id) FROM forum_posts AS t1 WHERE t1.forum_id = '{$forum_id}' AND t1.deleted = 0 AND (SELECT deleted FROM forum_topics WHERE topic_id = t1.topic_id) = 0 LIMIT 1 But both don't comply with the specific criteria. Appreciate all help! :)

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• Passing XML data and user from coldfusion page to .NET page

  - by Mark Rullo

  I'd appreciate some input on this situation, I can't figure out the best way to do this. I have some data that's being prepared for me in a ColdFusion app and in an IFrame within the CF app we want to display some graphs (not strictly an image, it's an entire page) being generated on the .NET side of things. I'd like to pass XML data from the CF side to .NET as well as the user. On the .NET side I'm putting the data in a session so the user can sift through it without the need to have it re-queried and re-passed from CF. What I've tried: Generating XML with CF, putting it in a hidden form field, auto-submitting (with JS) a the form to the .NET side. The issue I'm having with this approach is the encoding being done on the form post. The data has entries like <entry data="hello &amp; goodbye">. It's an issue because it's being URL encdeded, Posted, and when I get it on the .NET side I get <entry data="hello & goodbye"> which isn't properly formed XML. What I'd like to avoid: An intermediary DB approach (dropping the data in a DB on CF, picking it up with .NET) I'd like to only display what is passed to the page. I have security concerns with the data, it's very sensitive. Passing the data to a webservice, returning a GUID, forwarding the user with a URL Parameter to access the passed in data. I think that'd be risky if someone happened on a link to that data. I can't take that risk. I was thinking of passing the data with JSON, but I'm very unfamiliar with it. Thoughts? Thanks for your time folks.

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• Getting the error "Missing $ inserted" in LaTeX

  - by Espenhh

  Hey, I try to write the following in latex: \begin{itemize} \item \textbf{insert(element|text)} inserts the element or text passed at the start of the selection. \item \textbf{insert_after(element|text)} inserts the element or text passed at the end of the selection. \item \textbf{replace(element|text)} replaces the selection with the passed text/element. \item \textbf{delete()} deletes the selected text. \item \textbf{annotate(name,value)} annotates the selected text with the passed name and value-pair. This can either be a hidden meta-data about the selection, or can alter the visible appearance. \item \textbf{clear_annotation()} removes any annotation for this specific selection. \item \textbf{update_element(value)} performs an update of the element at the selection with the passed value. \end{itemize} For some reason, I get a bunch of errors. I think there is something with the use of the word "insert". I get errors like "Missing $ inserted", so it seems like the parses tries to fix some "errors" on my parts. Do I need to escape words like "insert", how do I do that?

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• Frame sizing of tableview within nested child controllers/subviews

  - by jwoww

  I'm a bit confused by the proper frame sizing of a table view to fit within my screen. Here's my setup of view controllers within view controllers: UITabBarController UINavigationController as one of the tab bar viewcontrollers; title bar hidden ViewController - a container view controller because I need the option to place some controls beneath the UITableView, sometimes (but not in the current scenario) UITableViewController Now, my question is what the proper frame dimensions of the UITableview should be. Here's what I've got in the ViewController viewDidLoad method. I used subtracted 49.0 (the size of the tab bar) from 480.0. However, this leaves a black bar at the bottom. 20.0 appears to do it (coincidentally?) the size of the status bar, but I don't understand why that would be. Wouldn't the true pixel dimensions of the tableview be 480-49? // MessageTableViewController is my subclass of UITableViewController MessagesTableViewController *vcMessagesTable = [[MessagesTableViewController alloc] init]; CGRect tableViewFrame = CGRectMake(0, 0, 320.0, 480.0 - 49.0); [[vcMessagesTable view] setFrame:tableViewFrame]; self.tableViewController = vcMessagesTable; [self addChildViewController:vcMessagesTable]; [[self view] addSubview:vcMessagesTable.view]; Here's how it looks:

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• Letting user carry on after three attempts

  - by sMilbz

  In my spelling game there is a grid that is populated with words. The words are hidden and the aim of the game is to spell the word that is highlighted with the aid of a sound and a picture. To highlight a word you press the "next" button. At the moment if you spell the word correctly it says "well done" and you can advance to the next word, but if you spell it incorrectly you have to keep attempting the word until it is complete. As the game is designed for children I do not think this is the best approach, so I would like to make it so you can advance after 3 incorrect attempts. I have played around with the script so much trying to put counters on incorrect attempts and then making the button active but cannot seem to get it to work. Can someone please help me? Here is the script for the button var noExist = $('td[data-word=' + listOfWords[rndWord].name + ']').hasClass('wordglow2'); if (noExist) { $('.minibutton').click(); } else { $('.minibutton').click('disable'); $("#mysoundclip").attr('src', listOfWords[rndWord].audio); audio.play(); $("#mypic").attr('src', listOfWords[rndWord].pic); pic.show(); } }); "wordglow2" is the style applied if the word is spelt correctly. Here is a fiddle to help understand... http://jsfiddle.net/smilburn/ZAfVZ/4/

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• Jquery conditionals, window locations, and viewdata. Oh my!

  - by John Stuart

  I have one last thing left on a project and its a doozy. Not only is this my first web application, but its the first app i used Jquery, CSS and MVC. I have no idea on how to proceed with this. What i am trying to do is: In my controller, a waste item is validated, and based on the results one of these things can happen. The validation is completed, nothing bad happens, which sets ViewData["FailedWasteId"] to -9999. Its a new waste item and the validation did not pass, which sets ViewData["FailedWasteId"] to 0. Its an existing waste item and the validation did not pass, which sets ViewData["FailedWasteId"] to the id of the waste item. This ViewData["FailedWasteId"] is set on page load using <%=Html.Hidden("wFailId", int.Parse(ViewData["WasteFailID"].ToString()))%> When the validations do not pass, then the page zooms (by window.location) to an invisible div, opens the invisible div etc. Hopefully my intentions are clear with this poor attempt at jquery. The new waste div is and the existing item divs are dynamically generated (this i know works) " So my question here is... Help? I cant even get the data to parse correctly, nor can i even get the conditionals to work. And since this happens after post, i cant get firebug to help my step through the debugger, as the script isnt loaded yet. $(document).ready(function () { var wasteId = parseInt($('#wFailId').text()); if (wasteId == -9999) { //No Issue } else if (wasteId < 0) { //Waste not saved to database } else if (wasteId == 0) { //New Waste window.location = '#0'; $('.editPanel').hide(); $('#GeneratedWasteGrid:first').before(newRow); $('.editPanel').appendTo('#edit-panel-row').slideDown('slow'); } else if (wasteId > 0) { //Waste saved to database } });

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• How can I order my entries by sum from a separate table?

  - by bgadoci

  I am wondering how I can order posts in my PostController#index to display by a column total in a separate table. Here is how I have it set up. class Post < ActiveRecord::Base :has_many :votes end and Class Vote < ActiveRecord::Base :belongs_to :post end I user can either vote up or down a particular post. I know there are likely better ways to do what I am currently doing but looking for a fix given my current situation. When a user votes up a post, a value of 1 is passed to the Vote Table via a hidden field. When a user votes down a post a value of -1 is passed to the same column (names vote). I am wondering how I can display my posts in order of the sum of the vote column (in the vote table) for a particular post. Another way to say that is, if a particular post has a net vote sum of 5, I want that to appear above a post with a net vote sum of 4. I am assuming that I need to affect the PostController#index action in some fashion. But not sure how to do that.

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• datagridviewcomboboxcolumn with datasource issue?

  - by Sarrrva

  i have some propblem in datagridviewcombobocolumn with custom datasource property in vb.net. when i add datasource it does not populate in datagridview combobox column it giving nothing.. any one please help me out from this problem... code comboboxcell: Public Overrides Sub InitializeEditingControl(ByVal rowIndex As Integer, ByVal initialFormattedValue As Object, ByVal dataGridViewCellStyle As DataGridViewCellStyle) ' Set the value of the editing control to the current cell value. MyBase.InitializeEditingControl(rowIndex, initialFormattedValue, dataGridViewCellStyle) Dim ctl As ComboEditingControl = CType(DataGridView.EditingControl, ComboEditingControl) ctl.DropDownStyle = ComboBoxStyle.DropDown ctl.AutoCompleteSource = AutoCompleteSource.ListItems ctl.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.Suggest If (Me.DataGridView.Rows(rowIndex).Cells(0).Value <> Nothing) Then Dim GetValueFromRowToUseForBuildingCombo As String = Me.DataGridView.Rows(rowIndex).Cells(0).Value.ToString() ctl.Items.Clear() Dim dt As New DataTable() Try dt = TryCast(DirectCast(Me.DataGridView.Columns(ColumnIndex), ComboColumn).DataSource, DataTable) Catch ex As Exception MsgBox("error") End Try If (dt Is Nothing) Then ctl.Items.Add("") Else Dim thing As DataRow For Each thing In dt.Rows ctl.Items.Add(thing(0).ToString) Next End If If Me.Value Is Nothing Then ctl.SelectedIndex = -1 Else ctl.SelectedItem = Me.Value End If ctl.EditingControlDataGridView = Me.DataGridView End If End Sub from code: Dim widgets As New WidgetDataHandler Dim obj = widgets.GetAllWigetTypes() Dim dt As New DataTable Dim ListofmyObjects As New List(Of widget_types)(obj) Dim objList As New cObjectToTable(Of widget_types)(ListofmyObjects) dt = objList.GetTable() Dim obj1 For Each obj1 In obj blPersons.Add(obj1) Next Dim col1 As New DataGridViewTextBoxColumn col1.DisplayIndex = 0 col1.DataPropertyName = "Id" col1.HeaderText = "Id" dgvi00.Columns.Add(col1) Dim col2 As New ComboColumn col2.DisplayIndex = 1 col2.SortMode = DataGridViewColumnSortMode.Automatic col2.HeaderText = "Name" col2.DataPropertyName = "Name" col2.ToolTipText = "Select something from my combo" Dim dst As New DataSet 'Dim dt1 As New DataTable 'dt1.Columns.Add(col2.HeaderText) 'For Each thing In dt.Rows ' MsgBox(thing(1).ToString) ' dt1.Rows.Add(thing(1).ToString) 'Next dst.Tables.Add(dt) col2.DataSource = dst.Tables(0) col2.DisplayMember = "Name" Me.dgvi00.Columns.AddRange(col2) dgvi00.DataSource = blPersons.BindingSource 'setup the bindings for the binding navigator Dim bn As New _365_Media_Library.BindingNavigatorWithFilter bn.Dock = DockStyle.Bottom bn.GripStyle = ToolStripGripStyle.Hidden Me.Controls.Add(bn) bn.BindingSource = blPersons.BindingSource note : its working good in standalone application regards and thanks sarva

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• How can I make this jQuery plugin chainable after all image load events have completed?

  - by BumbleB2na

  [UPDATE] Solution I decided on: Decided that passing in a callback to the plugin will take care of firing an event once all images have completed loading. Chaining is also still possible. Updated Fiddle I am building a chainable jQuery plugin that can load images dynamically. (View the following code as a JSFiddle) Html: <img data-img-src="http://www.lubasf.com/blog/wp-content/uploads/2009/03/gnome.jpg" style="display: none" /> <img data-img-src="http://buffered.io/uploads/2008/10/gnome.jpg" style="display: none" /> Instead of adding in a src attribute, I give these images a data-img-src attribute. My plugin uses the value of that to fill the src. Also, these images are hidden to begin with. jQuery plugin: (function(jQuery) { jQuery.fn.loadImages = function() { var numToLoad = jQuery(this).length; var numLoaded = 0; jQuery(this).each(function() { if(jQuery(this).attr('src') == undefined) { return jQuery(this).load(function() { numLoaded++; if(numToLoad == numLoaded) return this; // attempt at making this plugin // chainable, after all .load() // events have completed. }).attr('src', jQuery(this).attr('data-img-src')); } else { numLoaded++; if(numToLoad == numLoaded) return this; // attempt at making this plugin // chainable, after all .load() // events have completed. } }); // this works if uncommented, but returns before all .load() events have completed //return this; }; })(jQuery); // I want to chain a .fadeIn() after all images have completed loading $('img[data-img-src]').loadImages().fadeIn(); Is there a way to make this plugin chainable, and have my fadeIn() happen after all images have loaded?

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• height autoflow autofill into out div

  - by Brian Putt

  I have a fiddle(http://jsfiddle.net/pwnagecss/LnNYv/) and need help in making it so the classes sideBar, and rightContentWrapper autofill to the height. <div class="wrapper"> <div class="sideBar"> </div> <div class="rightContentWrapper"> <div class="rightContent"> </div> </div> </div> .wrapper { width: 960px; height: 100%; margin: 0 auto 20px auto; padding: 0; background-color:black; } .wrapper:after{ clear: both; display: block; height: 0; visibility: hidden; content: "0020"; } .sideBar { float: left; width: 200px; background-color:blue; min-height: inherit; height: 100%; } .rightContentWrapper { float: left; width: 760px; height: 100%; min-height: inherit; } .rightContent { margin: 0 auto; background-color: red; min-height: inherit; } Any help is appreciated

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• Form:has selector does not work on IE

  - by Joel

  Hey, I am trying to use "form:has" selector which works on Chrome but not on IE. http://jsbin.com/uvumu/2 Does anyone have any idea why it is not working on IE? (when pushing the Post button there should be an alert box) Edited: Here is the code: JS: $(document).ready(function() { $(".comment-link").live('click',function() { return false; }); $("#morefeeds-link").click(function () { return false; }); // Form submittion - doesnt work $("form:has(.commentBtn)").live('submit',function () { alert("a"); return false; }); return false; });? HTML <form> <a href="#" class="comment-link" style="font-size:12px;">Comment</a> <table border="0" cellpadding="0" cellspacing="0"> <tr> <td valign="middle"> <input type="hidden" name="commentkey" value="1"> <input type="text" name="commenttext" class="commentfocus" value="Express your opinion"> </td> <td valign="middle"><input type="submit" class="commentBtn" value="Post"></td> </tr> </table> </form>

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• Is there an alias for 'this' in TypeScript?

  - by Todd

  I've attempted to write a class in TypeScript that has a method defined which acts as an event handler callback to a jQuery event. class Editor { textarea: JQuery; constructor(public id: string) { this.textarea = $(id); this.textarea.focusin(onFocusIn); } onFocusIn(e: JQueryEventObject) { var height = this.textarea.css('height'); // <-- This is not good. } } Within the onFocusIn event handler, TypeScript sees 'this' as being the 'this' of the class. However, jQuery overrides the this reference and sets it to the DOM object associated with the event. One alternative is to define a lambda within the constructor as the event handler, in which case TypeScript creates a sort of closure with a hidden _this alias. class Editor { textarea: JQuery; constructor(public id: string) { this.textarea = $(id); this.textarea.focusin((e) => { var height = this.textarea.css('height'); // <-- This is good. }); } } My question is, is there another way to access the this reference within the method-based event handler using TypeScript, to overcome this jQuery behavior?

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• GDI+ not clearing my window on repaint for vista

  - by Michael

  on WM_PAINT i do the following: //RectF mNameRect; //WCHAR* mName; //HWND mWin; // this is the window handle { PAINTSTRUCT ps; HDC hdc = BeginPaint(mWin, &ps); Graphics g(hdc); g.Clear(Color::White); StringFormat stringForm; stringForm.SetLineAlignment(StringAlignmentCenter); stringForm.SetAlignment(StringAlignmentCenter); // set the rectangle to the size of the whole window mNameRect.Width = static_cast<float>(size.cx); mNameRect.Height = static_cast<float>(size.cy); g.DrawString(mName, -1, &mNameFont, mNameRect, &stringForm, &mNameBrush); EndPaint(mWin, &ps); } In XP this works fine, the mName is displayed in the middle of the window. However on Vista the text doesn't move, it stays in its location no matter how I resize the window. the g.Clear(Color::White) doesn't seem to do any difference. The text doesn't even change position when the window is hidden behind another window and on focus needs to be repainted again. How do I make mName change position in Vista?

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• How do I simplify my code?

  - by Mitchell Skurnik

  I just finished creating my first major application in C#/Silverlight. In the end the total line count came out to over 12,000 lines of code. Considering this was a rewrite of a php/javascript application I created 2 years that was over 28,000 lines I am actually quite proud of my accomplishment. After reading many questions and answers here on stackoverflow and other sites online, I followed many posters advice: I created classes, procedures, and such for things that I would have a year ago copied and pasted; I created logic charts to figure out complex functions; making sure there are no crazy hidden characters (used tabs instead of spaces); and a few others things; place comments where necessary (I have lots of comments). My application consists of 4 tiles laid out horizontally that have user controls loaded into each slice. You can have between one and four slices loaded at anytime. If you have once slice loaded, the slice takes up the entire artboard...if you have 2 loaded, each take up half, 3 a third, 4 a quarter. Each one of these slices represent (for the sake of this example) a light control. Each slice has 3 slider controls in it. Now when I coded the functionality of the sliders, I used a switch/case statement inside of a public function that would run the command on the specified slice/slider. The made for some duplicate code but I saw no way around it as each slice was named differently. So I would do slice1.my.commands(); slice2.my.commands(); etc. My question to you is how do I clean up my code even futher? (Sadly I cannot post any of my code). Is there any way to take this repetion out of my code?

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• Selecting rows with references across tables in SQLite 3

  - by ChristianK

  Hey there, I have a problem with a SQLite photo/album database. The database contains 3 tables: Albums id name hide -------------------------- 1 Holiday 2010 1 2 Day Trip 0 Photos id file ----------------- 1 photo1.jpg 2 photo2.jpg 3 photo3.jpg 4 photo4.jpg Relation (connects photos with albums) album photo ----------------- 1 1 1 2 2 3 2 1 A photo can be assigned to zero, one or several albums. Each album has a column 'hide' that indicates, whether the photos of this album should be ignored. I'm trying to find a SELECT query that returns all photos that are not assigned to an album + all the photos that are in albums which are not hidden (i.e. that have their 'hide' value set to 0). I came up with a query that selects photos in visible albums, but I don't know how to include the photos that are not assigned to an album. SELECT file FROM photos, albums, relation WHERE photos.id = relation.photo AND albums.id = relation.album AND albums.hide = 0 This query returns photo3.jpg and the required result would be photo3.jpg photo4.jpg because photo4.jpg is not assigned to album in the Relation table. Do you know how to solve this? Thank you very much for your help!

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• Spring MVC - Set an actionURL parameter with Javascript

  - by jeffl8n

  Is it possible to dynamically set a Spring MVC portlet:actionURL portlet:param using javascript? I have tried with the following code, but the id value always comes across as null to the controller. I have verified that setting the portlet:param manually passes the value correctly: <portlet:param name="id" value="2" /> I have also verified the value in the javascript is being set correctly and is not null. (Note: I've changed the variable names, etc. from the original code to simplify it and obfuscate it since it is my employer's code.) JSP: <portlet:actionURL var="modifyURL"> <portlet:param name="do" value="modify" /> <portlet:param name="id" value="${model.id}" /> </portlet:actionURL> ... <form:form action="${modifyURL}" id="modifyForm" modelAttribute="model"> <form:hidden path="id" id="id" /> </form:form> Javascript called when the update URL is clicked: function update() { document.forms[0]["id"].value = selectedId; document.forms[0].submit(); } Controller: @RequestMapping(params = {"do=modify"}) public void modify(@ModelAttribute("model") Model model, @RequestParam(value = "id", required=true) Long id, ActionRequest request, ActionResponse response, SessionStatus sessionStatus, ModelMap modelMap) { ....

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• Cant get JavaScipt to check for null objects

  - by CountMurphy

  I really don't know what the issue is here. Far as I can see, the code is simple and should work fine. var Prices=""; for (var PriceCount = 1; PriceCount <= 120; PriceCount++) { var CurrentPrice = "Price" + PriceCount; if (prevDoc.getElementById(CurrentPrice).value != null) { if (Prices == "") { Prices = prevDoc.getElementById(CurrentPrice).value; } else { Prices += "," + prevDoc.getElementById(CurrentPrice).value; } } else { break; } } There could be up to 120 hidden inputs on the form. The moment we check for an input that doesn't exist the loop should break. My test page has two input elements that get pulled. On the third (the null) I get this error in firebug: prevDoc.getElementById(CurrentPrice) is null if (prevDoc.getElementById(CurrentPrice).value != null) { Yes it is null...that's what the check is for ?_? Does any one know what I'm doing wrong? This seems like it should be really straight forward. EDIT: for clarity's sake, prevDoc=window.opener.document

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• How to use iPhone OS 3.2 functionality in an iPhone OS 3.0 app?

  - by mystify

  Problem: My app must run on iPhone OS 3.0. However, there are some features of iPhone OS 3.2 which I really want to use. Just as a little add-on for free. But I don't want to cut off my user base by doing this. Imagine you're an iPhone OS 3.0 thing, and someone gives you a book to read. It has iPhone OS 3.2 instructions. You never learned those. So what do you do? Crash? They would have to be hidden, so you're not bothered. Someone wrote recently on SO: keep in mind that you have to check the version at places in the source code where you like to use the new features and provide alternatives for older os versions So how could I do that? Wouldn't Xcode throw warnings when it finds stuff that isn't linkable from anything anywhere? Would I just check for the OS version and dynamically link - somehow - to whatever stuff I think is cool?

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• Problem with overlapping divs - CSS

  - by Chaitanya

  html, body {margin: 0px; padding: 0px;} #pageContainer{ margin: auto; padding: auto;} #contentContainer{ margin:150px; width:1100px; height: 100%; overflow: hidden; } #leftContainer{ width: 80%; min-height: 800px; background: #009900; float:left;} #left1{ margin:80px 0 0 80px; height: 550px; top:0px; z-index:1; background: #000000;} #left2{ margin:80px 0 0 80px; height: 500px; top:110px; z-index:2000; background:#99FFFF; } #rightContainer{ width: 20%; height: inherit; background: black; float:right;} / CSS Document */ I require 2 overlapping divs, which look like the one below. ---------------------- | | | ------------------ | | ' '| | ' '| | ' '| | ' '| | ' '| | ' '| | ' '| ---------------------- ' ' ' ' ------------------- <div id="pageContainer"> <div id="contentContainer"> <div id="leftContainer"> Am the left container <div id="left1"> <div id="left2"> </div> </div> </div> <div id="rightContainer"> </div> </div> </div> The problem is am failing to get the overlap. Where am I going wrong? Edit 1: topx was a typo, corrected it.

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• jQuery: How can I get the HTML from one div to display in another.

  - by rockinthesixstring

  I've got a small script that detects if the user is using Google Chrome var is_chrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1; if(is_chrome){ $('.ifChrome').attr('style', 'display:block;'); $('.ifChrome').html($('noscript > div').html()); }; If they are using chrome, we want to display a div tag and show the HTML from a different div tag inside. <noscript> <div class="note"> Your browser does not properly support the WMD Markdown Editor.<br /> Please use <a href="/about/markdown" target="_blank">Markdown<.a> to style your input. </div> </noscript> <div class="hidden ifChrome note"></div> What I'm trying to do is show the "not supported" text from inside my <noscript> tag to users who are using google Chrome (because WMD Markdown doesn't work properly with Chrome). My existing Javascript is not working. Any help would be greatly appreciated.

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• C# XNA: What can cause SpriteBatch.End() to throw a NPE?

  - by Rosarch

  I don't understand what I'm doing wrong here: public void Draw(GameTime gameTime) // in ScreenManager { SpriteBatch.Begin(SpriteBlendMode.AlphaBlend); for (int i = 0; i < Screens.Count; i++) { if (Screens[i].State == Screen.ScreenState.HIDDEN) continue; Screens[i].Draw(gameTime); } SpriteBatch.End(); // null ref exception } SpriteBatch itself is not null. Some more context: public class MasterEngine : Microsoft.Xna.Framework.Game { public MasterEngine() { graphicsDeviceManager = new GraphicsDeviceManager(this); Components.Add(new GamerServicesComponent(this)); // ... spriteBatch = new SpriteBatch(graphicsDeviceManager.GraphicsDevice); screenManager = new ScreenManager(assets, gameEngine, graphicsDeviceManager.GraphicsDevice, spriteBatch); } //... protected override void Draw(GameTime gameTime) { screenManager.Draw(gameTime); // calls the problematic method base.Draw(gameTime); } } Am I failing to initialize something properly? UPDATE: As an experiment, I tried this to the constructor of MasterEngine: spriteBatch = new SpriteBatch(graphicsDeviceManager.GraphicsDevice); spriteBatch.Begin(); spriteBatch.DrawString(assets.GetAsset<SpriteFont>("calibri"), "ftw", new Vector2(), Color.White); spriteBatch.End(); This does not cause a NRE. hmm....

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• Is it possible to get multiple forms to work with one ajax post function

  - by Scarface

  Hey guys I have a system where there is one form for each friend you have and I used to have an ajax post function for each form, but I want to save code and was wondering if it was possible to get multiple forms to work with just one post function. If anyone has any advice on how to achieve this I would appreciate it. For example <div id="message"> <form id='submit' class='message-form' method='POST' > <input type='hidden' id='to' value='friend1' maxlength='255' > Subject<br><input type='text' id='subject' maxlength='50'><br> Message<br><textarea id='message2' cols='50' rows='15'></textarea> <input type='submit' id='submitmessage' class='responsebutton' value='Send'> </form> </div> $(document).ready(function(){ $(".message-form").submit(function() { $("#submitmessage").attr({ disabled:true, value:\"Sending...\" }); var to = $('#to').attr('value'); var subject = $('#subject').attr('value'); var message = $('#message2').attr('value'); $.ajax({ type: "POST", url: "messageprocess.php", data: 'to='+ to + '&subject=' + subject + '&message=' + message, success: function(response) { if(response == "OK") { $('.message-form').html("<div id='message'></div>"); $('#message').html("<h2>Email has been sent!</h2>") .append("<p>Please wait...</p>") .hide() .fadeIn(1500, function() { $('#message').append(\"<img id='checkmark' src='images/check.png' />\"); });

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• Bug on submitted app binary but not in the simulator - CALayer position contains NaN

  - by Jonathan Thurft

  I submitted my app to the App Store where is ready to download. I've since then received some interesting crash reports when people select an image from the ImagePicker in one of my views. This bug (see below) makes the app crash. I was wondering 2 things. Can anyone spot the problem in the code below? How do you deal with bugs that are only in the App Binary but do not show up when trying to recreate them on the dev environment? - I can make the app crash with the Binary that is on the app store but when I do the same on the simulator or on my test phone the app works perfectly.. The Crash report in BugSense CALayer position contains NaN: [798 nan] Class: CALayerInvalidGeometry 0x00120e99 -[imageCroppingViewController imagePickerController:didFinishPickingMediaWithInfo:] (imageCroppingViewController.m:126) + 163481 The Code - (void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage]; imageView.image = image; CGRect rect; rect.size.width = image.size.width; rect.size.height = image.size.height; imageView.center = scrollView.center; [imageView setFrame:rect]; scrollView.contentSize = imageView.frame.size; self.navigationController.navigationBar.hidden = NO; [myPicker.view removeFromSuperview]; }

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• Can you target Google Chrome? (Yes, you can)

  - by Kyle Sevenoaks

  Hi, I need to position this update button on www.euroworker.no/order (you'll have to add an item to the cart, use the Kjøp button to add and Handlevogn to view the cart). Works in FF and IE. (Although there is another alignment problems with IE) but not in Chrome or Safari. I had it working before, but the only thing I can think of to do is target safari and Chrome. Is this possible? Here's the CSS and HTML(Smarty) for you. HTML(Smarty): {capture assign="cartUpdate"} <div id="cartUpdate"><!--<input type="submit" class="submit" value="{tn _update}" />--> <button type="submit" class="submit" id="oppdatersubmit" name="saveFields" title="Oppdater" value="">&nbsp;</button> </div> {/capture} {assign var="cartUpdate" value=$cartUpdate|@str_split:10000} {php}$GLOBALS['cartUpdate'] = $this->get_template_vars('cartUpdate'); $this->assign_by_ref('GLOBALS', $GLOBALS);{/php} {form action="controller=order action=update" method="POST" enctype="multipart/form-data" handle=$form id="cartItems"} CONTENT {/form} And the CSS: #oppdatersubmit { background-image:url(../../upload/oppdater.png); background-repeat:no-repeat; background-position:left; background-color:none; border:none; overflow:hidden; outline:none; white-space: nowrap; width:77px; height:25px; cursor:pointer; position:absolute; } #cartUpdate { position:absolute; width:160px; height:30px; left:580px; bottom:130px; } Need to change these for Chrome and Safari. Thanks.

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• split a string into a key => value array in php

  - by andy-score

  +2-1+18*+7-21+3*-4-5+6x29 The above string is an example of the kind of string I'm trying to split into either a key = value array or something similar. The numbers represent the id of a class and -,+ and x represent the state of the class (minimised, expanded or hidden), the * represents a column break. I can split this into the columns easily using explode which gives and array with 3 $key = $value associations. eg. $column_layout = array( [0] => '+2-1+18' , [1] => '+7-21+3' , [2] => '-4-5+6x29' ) I then need to split this into the various classes from there, keeping the status and id together. eg. $column1 = array( '+' => 2 , '-' => 1 , '+' => 18 ) ... or $column1 = array( array( '+' , 2 ) , array( '-' , 1 ) , array( '+' , 18 ) ) ... I can't quite get my head round this and what the best way to do it is, so any help would be much appreciated.

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