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• Custom GTK widget to bypass GTK layout engine?

  - by fret

  I have an application layer that I'd like to port to Gtk that has all it's own layout code and I don't really want to spend 'n' months re-writting it to work with the Gtk layout system, but rather just using the existing internal layout code and have Gtk render the resulting widgets. I've started by writting my own widget after trying several of the built in containers. Basically I'm looking for something like the GtkFixed container that doesn't have a minimum size, i.e. Gtk will fit the first widget to the entire window, and all the child widgets will lay themselves out so that they fill the area. If I use GtkFixed for that, the window is always limited to the size of the initial layout, as thats the "requested" space. I can't resize it smaller than that using the edges of the window decor. Maybe I need schooling in allocation vs requesting. My googling so far hasn't found the information I need to make this work. I did try. I'm using the C api at the moment, and I'm targetting Win32 and Linux. So far I have a shell app working in Win32 that puts up an empty window. But the first child widget is limiting the resizing to it's initial size.

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• Android layout issue - relative widths

  - by cdonner

  I am trying to assign relative widths to columns in a ListView that is in a TabHost, using layout_weight as suggested here: <?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:id="@android:id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent"> <LinearLayout android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TabWidget android:id="@android:id/tabs" android:layout_width="fill_parent" android:layout_height="wrap_content"/> <FrameLayout android:id="@android:id/tabcontent" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TableLayout android:id="@+id/triplist" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="4px"> <TableRow> <ListView android:id="@+id/triplistview" android:layout_width="fill_parent" android:layout_height="wrap_content"/> </TableRow> <TableRow> <Button android:id="@+id/newtripbutton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Add Trip"/> </TableRow> [other tabs ...] My row definition has 4 columns that I would like to size as follows: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="1.0" android:padding="4px"> <TextView android:id="@+id/rowtripdate" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content" android:inputType="date"/> <TextView android:id="@+id/rowodostart" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content"/> <TextView android:id="@+id/rowodoend" android:layout_weight=".2" android:layout_width="0dip" android:layout_height="wrap_content"/> <TextView android:id="@+id/rowcomment" android:layout_weight=".4" android:layout_width="0dip" android:layout_height="wrap_content"> Unfortunately, it seems to want to fit all the column into the space that the button occupies, as opposed to the width of the screen. Or maybe there is another constraint that I do not understand. I'd appreciate your help.

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• Debugging StoreKit functionality without a device

  - by Rolf Staflin

  Hi! I'm porting an app with in-app purchase functionality from the iPhone to the iPad, but the simulator doesn't handle any StoreKit calls (they fail immediately with a warning). Since there are no iPads available yet, I can't use a device for debugging. I have thought of a few alternatives: Use the iPhone code as is. This is the safe bet since everything already works on the iPhone, but it will not feel right on the iPad (there are several ViewControllers in a NavigationController involved on the iPhone, but everything could fit on one screen on the pad). Write a test framework for StoreKit. I actually started doing this, but I won't be able to finish it in time. Submit untested code and pray. Nah, just kidding -- that's not an option :) So, any thoughts? Has anyone else written a test framework for this kind of thing? I googled a bit but couldn't find anything. I'm grateful for any thoughts on this!

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• C++ smart pointers: sharing pointers vs. sharing data

  - by Eli Bendersky

  In this insightful article, one of the Qt programmers tries to explain the different kinds of smart pointers Qt implements. In the beginning, he makes a distinction between sharing data and sharing the pointers themselves: First, let’s get one thing straight: there’s a difference between sharing pointers and sharing data. When you share pointers, the value of the pointer and its lifetime is protected by the smart pointer class. In other words, the pointer is the invariant. However, the object that the pointer is pointing to is completely outside its control. We don’t know if the object is copiable or not, if it’s assignable or not. Now, sharing of data involves the smart pointer class knowing something about the data being shared. In fact, the whole point is that the data is being shared and we don’t care how. The fact that pointers are being used to share the data is irrelevant at this point. For example, you don’t really care how Qt tool classes are implicitly shared, do you? What matters to you is that they are shared (thus reducing memory consumption) and that they work as if they weren’t. Frankly, I just don't undersand this explanation. There was a clarification plea in the article comments, but I didn't find the author's explanation sufficient. If you do understand this, please explain. What is this distinction, and how are other shared pointer classes (i.e. from boost or the new C++ standards) fit into this taxonomy? Thanks in advance

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• Looking for a good world map generation algorithm

  - by FalconNL

  I'm working on a Civilization-like game and I'm looking for a good algorithm for generating Earth-like world maps. I've experimented with a few alternatives, but haven't hit on a real winner yet. One option is to generate a heightmap using perlin noise and add water at a level so that about 30% of the world is land. While perlin noise (or similar fractal-based techniques) are frequently used for terrain and is reasonably realistic, it doesn't offer much in the way of control over the number, size and position of the resulting continents, which I'd like to have from a gameplay perspective. See http://farm3.static.flickr.com/2792/4462870263_ff26c40365_o.jpg for an example (sorry, can't post pictures yet). A second option is to start with a randomly positioned one-tile seed (I'm working on a grid of tiles), determine the desired size for the continent and each turn add a tile that is horizontally or vertically adjacent to the existing continent until you've reached the desired size. Repeat for the other continents. This technique is part of the algorithm used in Civilization 4. The problem is that after placing the first few continents, it's possible to pick a starting location that's surrounded by other continents, and thus won't fit the new one. Also, it has a tendency to spawn continents too close together, resulting in something that looks more like a river than continents. See http://farm5.static.flickr.com/4069/4462870383_46e86b155c_o.jpg for an example. Does anyone happen to know a good algorithm for generating realistic continents on a grid-based map while keeping control over their number and relative sizes?

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• How can you replace the src of an image that points to mjpeg?

  - by user165623

  I have an application that displays images from network cameras. The application will show multiple images on a single page. Each image container has a button on it that causes jQuery to scale that image up to fill a 64x480 div vs much smaller when multiple images are present. I change the src in the image with jquery as you'd expect: $("#imageId").attr("src", "http://cameraUrl.com:6000?width=640&height=480&d="+date.getTime()); the date.getTime() is intended to override the caching in a browser. It works for retrieving still images. Sometimes the video changes to the larger resolution. Other times it just sticks with the original image scaled up to fit the larger div as if it is not loading the new URL. This is evident by the fact it's grainy and the text overlay from the camera is scaled up. Occasionally the image finally loads in the higher resolution version and it works evidenced by the image clarity and the text overlay scaling to what it should be. Is there a correct way to force the setting of an image src where the src points to a motion jpeg stream to reload?

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• Ext.data.JsonStore + Ext.DataView = not loading records

  - by Mulone

  Hi guys, I'm trying to make a DataView work (on Ext JS 2.3). Here is the jsonStore, which seems to be working (it calls the server and gets a valid response). Ext.onReady(function(){ var prefStore = new Ext.data.JsonStore({ autoLoad: true, //autoload the data url: 'getHighestUserPreferences', baseParams:{ userId: 'andreab', max: '50' }, root: 'preferences', fields: [ {name:'prefId', type: 'int'}, {name:'absInteractionScore', type:'float'} ] }); Then the xtemplate: var tpl = new Ext.XTemplate( '<tpl for=".">', '<div class="thumb-wrap" id="{name}">', '<div class="thumb"><img src="{url}" title="{name}"></div>', '<span class="x-editable">{shortName}</span></div>', '</tpl>', '<div class="x-clear"></div>' ); The panel: var panel = new Ext.Panel({ id:'geoPreferencesView', frame:true, width:600, autoHeight:true, collapsible:false, layout:'fit', title:'Geo Preferences', And the DataView items: new Ext.DataView({ store: prefStore, tpl: tpl, autoHeight:true, multiSelect: true, overClass:'x-view-over', itemSelector:'div.thumb-wrap', emptyText: 'No images to display' }) }); panel.render('extOutput'); }); What I get in the page is a blue frame with the title, but nothing in it. How can I debug this and see why it is not working? Cheers, Mulone

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• Scroll Position in a Table Body

  - by Craig Walker

  I want to implement infinite scrolling (with an AJAX-based loader) in an HTML table body. My HTML looks something like this: <table> <thead> <tr><th>Column</th></tr> </thead> <tbody> <tr><td>Row 1</td></tr> <tr><td>Row 2</td></tr> </tbody> </table> I get a scroll bar on the <tbody> like so: tbody { height:10em; /* Otherwise the tbody expands to fit all rows */ overflow:auto; } To be able to do anything when the user scrolls to the bottom, I need to be able to get the scroll position of the <tbody>. In all of the (jQuery) infinite scroll implementations I've seen (such as this one), they subtract the content height from the container height and compare it to the .scrollTop() value. Unfortunately this may not work with <tbody>, which is both the viewport and the container for the scrolled content. $("tbody").height() returns the viewable (ie: "shrunken") size, but I don't know how I can get the full (viewable + hidden) size of the table body. (FWIW, $("tbody").scrollTop() returns a "large" number when scrolled to the bottom, exactly as I would expect it to). Is there any way to accomplish this?

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• Crystal Reports Programmatic Image Resizing... Scale?

  - by C. Griffin

  I'm working with a Crystal Reports object in Visual Studio 2008 (C#). The report is building fine and the data is binding correctly. However, when I try to resize an IBlobFieldObject from within the source, the scale is getting skewed. Two notes about this scenario. Source image is 1024x768, my max width and height are 720x576. My math should be correct that my new image size will be 720x540 (to fit within the max width and height guidelines). The ratio is wrong when I do this though: img = Image.FromFile(path); newWidth = img.Size.Width; newHeight = img.Size.Height; if ((img.Size.Width > 720) || (img.Size.Height > 576)) { double ratio = Convert.ToDouble(img.Size.Width) / Convert.ToDouble(img.Size.Height); if (ratio > 1.25) // Adjust width to 720, height will fall within range { newWidth = 720; newHeight = Convert.ToInt32(Convert.ToDouble(img.Size.Height) * 720.0 / Convert.ToDouble(img.Size.Width)); } else // Adjust height to 576, width will fall within range { newHeight = 576; newWidth = Convert.ToInt32(Convert.ToDouble(img.Size.Width) * 576.0 / Convert.ToDouble(img.Size.Height)); } imgRpt.Section3.ReportObjects["image"].Height = newHeight; imgRpt.Section3.ReportObjects["image"].Width = newWidth; } I've stepped through the code to make sure that the values are correct from the math, and I've even saved the image file out to make sure that the aspect ratio is correct (it was). No matter what I try though, the image is squashed--almost as if the Scale values are off in the Crystal Reports designer (they're not). Thanks in advance for any help!

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• apache: cgi links lead to a "you have chosen to open foo.cgi", although scriptalias is set

  - by Xiong Chiamiov

  Following this guide on CentOS 5.2, just getting nagios set up for the first time. The main page shows up just fine, but when I try to view any of the pages that should be generated by a cgi process, firefox prompts me to save the .cgi instead, so apache's obviously not understanding that it needs to run the cgi and get back some html from it. The odd thing is, though, that, as far as I can tell, apache should be running these files as cgi. nagios.conf: # SAMPLE CONFIG SNIPPETS FOR APACHE WEB SERVER # Last Modified: 11-26-2005 # # This file contains examples of entries that need # to be incorporated into your Apache web server # configuration file. Customize the paths, etc. as # needed to fit your system. ScriptAlias /nagios/cgi-bin/ "/usr/lib/nagios/cgi/" # SSLRequireSSL Options +ExecCGI AddHandler cgi-script .cgi AllowOverride None Order allow,deny Allow from all # Order deny,allow # Deny from all # Allow from 127.0.0.1 AuthName "Nagios Access" AuthType Basic AuthUserFile /etc/nagios/htpasswd.users Require valid-user Alias /nagios "/usr/share/nagios/" # SSLRequireSSL DirectoryIndex index.php Options None AllowOverride None Order allow,deny Allow from all # Order deny,allow # Deny from all # Allow from 127.0.0.1 AuthName "Nagios Access" AuthType Basic AuthUserFile /etc/nagios/htpasswd.users Require valid-use Either the ScriptAlias directive or ExecCGI option should be triggering this, but neither of them seems to have any effect. This config file is being parsed by apache, because if I move it out of conf.d, /nagios gives a 404. The .cgi files are indeed in the /nagios/cgi-bin/ directory, so I didn't specify the incorrect directory. Searching seemed to only provide people who had difficulty with permissions, which is not the issue here. This seems to me to be a pretty basic thing, but even with the excellent apache documentation, I'm at a bit of a loss (been using cherokee too much lately :) ).

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• VS2008 EF and non crud SP usage.

  - by SteveO

  Using an edmx version of EF. My returned data is a join between tables that has a COMPOUND filter on the primary table. In essence this query is going to return a SEGMENT of Law codes and descriptions that a user can tie to a Sex Offender report. I have a complex SP because Linq2SQL cannot pass in a between statement, or at least that is how I understand the error. The Code itself is broken up by '-' marks. 39-13-504 "Aggravated Sexual Battery" User wants to have a query with 4 parmas 39, 13, 500, 599. Get all codes from Title 39 and Chapter 13 with parts between 500 and 599. I have the SP in place to do the work, is there are way to consume the SP within the EF? I find many blogs about SPs with CRUD operations as their use of an SP. That doesn't fit this need at all. I do not have a single table but a join to the "prior selections" table that maps the key for the code. Any pointers on how to get a READ with an SP? TIA

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• How to arrange models, views, controllers in a new Kohana 3 project

  - by Pekka

  I'm looking at how to set up a mid-sized web application with Kohana 3. I have implemented MVC patterns in the past but never worked against a "formalized" MVC framework so I'm still getting my head around the terminology - toying around with basic examples, building views and templates, and so on. I'm progressing fairly well but I want to set up a real-world web project (one of my own that I've been planning for quite some time now) as a learning object. Example-based documentation is a bit sparse for Kohana 3 right now - they say so themselves on the site. While I'm not worried about learning the framework soon enough, I'm a bit at a loss on how to arrange a healthy code base from the start - i.e. how to split up controllers, how to name them, and how to separate the functionality into the appropriate models. My application could, in its core, be described as a business directory with a main businesses table. Businesses can be listed by category and by street name. Each business has a detail page. Business owners can log in and edit their business's entry. Businesses can post offers into an offers table. I know this is pretty vague, I'll be more than happy to go into more detail on request. Supposing I have all the basic functionality worked out and in place already - list all businesses, edit business, list businesses by street name, create offer, and so on, and I'm just looking for how to fit the functionality into a Kohana application structure that can be easily extended: Do you know real-life, publicly accessible examples of applications built on Kohana 3 where I could take a peek how they do it? Are there conventions or best practices on how to structure an extendable login area for end users in a Kohana project that is not only able to handle a business directory page, but further products on separate pages as well? Do you know application structuring HOWTOs or best practices for Kohana 3 not mentioned in the user guide and the inofficial Wiki? Have you built something similar and could give me some recommendations?

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• What are best practices for collecting, maintaining and ensuring accuracy of a huge data set?

  - by Kyle West

  I am posing this question looking for practical advice on how to design a system. Sites like amazon.com and pandora have and maintain huge data sets to run their core business. For example, amazon (and every other major e-commerce site) has millions of products for sale, images of those products, pricing, specifications, etc. etc. etc. Ignoring the data coming in from 3rd party sellers and the user generated content all that "stuff" had to come from somewhere and is maintained by someone. It's also incredibly detailed and accurate. How? How do they do it? Is there just an army of data-entry clerks or have they devised systems to handle the grunt work? My company is in a similar situation. We maintain a huge (10-of-millions of records) catalog of automotive parts and the cars they fit. We've been at it for a while now and have come up with a number of programs and processes to keep our catalog growing and accurate; however, it seems like to grow the catalog to x items we need to grow the team to y. I need to figure some ways to increase the efficiency of the data team and hopefully I can learn from the work of others. Any suggestions are appreciated, more though would be links to content I could spend some serious time reading. THANKS! Kyle

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• Best practice for structuring a new large ASP.NET MVC2 plus EF4 VS2010 solution?

  - by Nick

  Hi, we are building a new web application using Microsoft ASP.NET MVC2 and Entity Framework 4. Although I am sure there is not one right answer to my question, we are struggling to agree a VS2010 solution structure. The application will use SQL Server 2008 with a possible future Azure cloud version. We are using EF4 with T4 POCOs (model-first) and accessing a number of third-party web-services. We will also be connecting to a number of external messaging systems. UI is based on standard ASP.NET (MVC) with jQuery. In future we may deliver a Silverlight/WPF version - as well as mobile. So put simply, we start with a VS2010 blank solution - then what? I have suggested 4 folders Data (the EF edmx file etc), Domain (entities, repositories), Services (web-services access), Presentation (web ui etc). However under Presentation, creating the ASP.NET MVC2 project obviously creates it's own Models folder etc and it just doesn't seem to fit too well in this proposed structure. I'm also missing a business layer (or does this sit in the domain?). Again I am sure there is no one right way to do it, but I'd really appreciate your views on this. Thanks

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• CGContext - PDF margin

  - by Manoj Khaylia

  Hi All I am showing PDF content on a view using this code using Quartz Sample // PDF page drawing expects a Lower-Left coordinate system, so we flip the coordinate system // before we start drawing. CGContextTranslateCTM(context, 0.0, self.bounds.size.height); CGContextScaleCTM(context, 1.0, -1.0); // Grab the first PDF page CGPDFPageRef page = CGPDFDocumentGetPage(pdf, pageNo); // We're about to modify the context CTM to draw the PDF page where we want it, so save the graphics state in case we want to do more drawing CGContextSaveGState(context); // CGPDFPageGetDrawingTransform provides an easy way to get the transform for a PDF page. It will scale down to fit, including any // base rotations necessary to display the PDF page correctly. CGAffineTransform pdfTransform = CGPDFPageGetDrawingTransform(page, kCGPDFCropBox, self.bounds, 0, true); // And apply the transform. CGContextConcatCTM(context, pdfTransform); // Finally, we draw the page and restore the graphics state for further manipulations! CGContextDrawPDFPage(context, page); CGContextRestoreGState(context); Using this all works fine I want to set the margin for the PDF context, bydefault it showing 50 px margin in every side.. I have tried CGContext methods but not got the appropriate one. Can any body help me regarding this Thanks Monaj

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• Auto-sizing and positioning in Flex

  - by Addsy

  I am working on a flex app that uses XML templates to dynamically create DisplayObjects. These templates define different layouts that can be used for each page of content in the app (ie , 2 columns, 3 columns etc etc). The administrator can select from one of these and populate each area with their content. The templates add one of 3 types of DisplayObject - HBox, VBox or a third component - LibraryContentContainer (an mxml component that is defined as part of the app) - which is effectively a canvas element with a TextArea inside. The problem that I am getting is that I need each of these areas to automatically resize to fit the length of the content but don't seem to be able to find an effective way to do so. In the LibraryContentContainer, when the value of the TextArea is set, I am calling .validateNow() on the LibraryContentContainer. I then set the height property on both the TextArea and LibraryContentContainer to match the textHeight property of the TextArea. In the following example, this is the LibraryContentContainer, viewer is the TextArea and the value property of the TextArea is bound to this.__Value. v is the variable containing the content for the textarea this.__Value = v; this.validateNow(); this.viewer.height = this.viewer.textHeight; this.height = this.viewer.height; This works to a degree in that the TextArea grows or shrinks depending on the length of content, but it's still not great - sometimes there are still vertical scrollbars even tho the size of the TextArea has grown. Anyone got any ideas? Thanks Adam

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• Using ASP .NET Membership and Profile with MVC, how can I create a user and set it to HttpContext.Cu

  - by Jeremy Gruenwald

  I've read the other questions on the topic of MVC membership and profiles, but I'm missing something. I implemented a custom Profile object in code as described by Joel here: http://stackoverflow.com/questions/426609/asp-net-membership-how-to-assign-profile-values I can't get it to work when I'm creating a new user, however. When I do this: Membership.CreateUser(userName, password); Roles.AddUserToRole(userName, "MyRole"); the user is created and added to a role in the database, but HttpContext.Current.User is still empty, and Membership.GetUser() returns null, so this (from Joel's code) doesn't work: static public AccountProfile CurrentUser { get { return (AccountProfile) (ProfileBase.Create(Membership.GetUser().UserName)); } } AccountProfile.CurrentUser.FullName = "Snoopy"; I've tried calling Membership.GetUser(userName) and setting Profile properties that way, but the set properties remain empty, and calling AccountProfile.CurrentUser(userName).Save() doesn't put anything in the database. I've also tried indicating that the user is valid & logged in, by calling Membership.ValidateUser, FormsAuthentication.SetAuthCookie, etc., but the current user is still null or anonymous (depending on the state of my browser cookies). I have the feeling I'm missing some essential piece of understanding about how Membership, Authentication, and Profiles fit together. Do I have to do a round trip before the current User will be populated? Any advice would be much appreciated.

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• Extract known pattern substring from NSString (without regex)

  - by d11wtq

  I'm really tempted to drop RegexKit (or my own libpcre wrapper) into my project in order to do this, but before I do that I want to know how Cocoa developers manage to do half of this basic stuff without really convoluted code or without linking with RegexKit or another regular expression library. I find it gobsmacking that Cocoa does not include any regular expression matching features. I've so accustomed to using regular expressions for all kinds of things that I'm lost without them. I can do what I need without them, but the code would be rather convoluted. So, Cocoa devs, I ask you, what's the "Cocoa way" to do this... The problem is an everyday problem in programming as far as I'm concerned. Cocoa must have ways of doing this with the built-in features. Note that the position of the elements I want to match changes, and sometimes "quotes" are present. Whitespace is variable. Take the following strings: Content-Type: application/xml; charset=utf-8 Content-Type: text/html; charset="iso-8859-1" Content-Type: text/plain; charset=us-ascii Content-Type: text/plain; name="example.txt"; charset=utf-8 From all of these strings, how would you go about determining the mime type (e.g. text/plain) and the charset (e.g. utf-8) using just the built-in Cocoa classes? I'd end up performing a series of -rangeOfString: and substring calls, with conditional checks to deal with the optional quotes etc. Is there a way to do this with NSScanner? The NSScanner class seems to have a pretty naive API to me. Something like C's sscanf() that works for NSString objects would be an ideal fit. Most of my string parsing needs are simple such as this example so maybe regular expressions, while I'm accustomed to them, are overkill?

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• CKEditor createFakeParserElement: writeHtml is not a function

  - by Phil Sturgeon

  I am trying to write a plugin for CKEditor that is basically just a iframe with PHP content. The user browses around, selects the video they want and then they click insert. The problem is that I need to create a "fake element" for this video, as inserting a video directly seems to show up as a Flash object, and we need to make it look a little different. I have copied together some code from the Flash plugin.js (remember this is all undocumented and uncommented) and so far come up with this: function insertFakeElement( html ) { editor = window.parent.instance; var realElement = CKEDITOR.dom.element.createFromHtml( html ); var fakeElement = editor.createFakeParserElement( realElement, 'cke_video', 'object', true ), fakeStyle = fakeElement.attributes.style || ''; var width = realElement.attributes.width, height = realElement.attributes.height; if ( typeof width != 'undefined' ) fakeStyle = fakeElement.attributes.style = fakeStyle + 'width:' + cssifyLength( width ) + ';'; if ( typeof height != 'undefined' ) fakeStyle = fakeElement.attributes.style = fakeStyle + 'height:' + cssifyLength( height ) + ';'; editor.insertHTML(fakeElement.getHtml()); } The line "giving me jip" is: var fakeElement = editor.createFakeParserElement( realElement, 'cke_video', 'object', true ), It errors here saying: l.writeHtml is not a function [Break on this error] if(o)o.addRules(l);}});})();a.editor.p..."',o,'_text" The .js file is minified and I have no idea how the source files all fit together so I can't track down the cause of this error. Does anybody know what I am doing wrong?

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• Ext-GWT / GXT (Not So) Simple Layout Issue?

  - by Xandel

  Hi all, I have posted this question on the Ext-GWT forums, I am just hoping that someone here might have an answer for me! I am struggling to do something I initially thought was simple but am beginning to believe is impossible... I have got a "layout template" of sorts - simply consisting of a few GWT DockLayoutPanel's within each other and finally ending in LayoutPanels. GWT's LayoutPanel is designed to size the widget (or Composite) that's added to it to its full size and does so perfectly with pure GWT widgets. The idea of my "layout template" is that I don't know the EXACT height and width of the very inner LayoutPanel's because I may set certain panels sizes (of the outer DockLayoutPanels) differently when instantiating this template. All I would like is to add a Grid component to one of the inner most LayoutPanels and have it size itself (height AND width) to fit as normal GWT widgets do (works perfectly with a GWT Label for instance). I am VERY new to GXT (as in I started using it earlier today) and I do realize that GXT builds its Components differently to the way GWT builds its Widgets on the DOM. Is there anyway to achieve the desired result? I have tried adding the grid to a ContentPanel with a Layout of FitLayout, I have tried AnchorLayout, I have tried adding the grid directly... Nothing seems to work... Any advice or even a push in the right direction would be greatly appreciated! Thanks in advance! Xandel

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• Nested table height in TCPDF

  - by Kuroki Kaze

  Is it possible to make nested table fit height of its parent cell in TCPDF? My code: <?php require_once('tcpdf/config/lang/eng.php'); require_once('tcpdf/tcpdf.php'); $pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false); $pdf->setPrintHeader(false); $pdf->setPrintFooter(false); $pdf->SetFont('times', 'BI', 8); $pdf->AddPage(); $pdf->writeHTML('<table> <tr><td bgcolor="gray"> Angoisse et vif espoir, sans humeur factieuse.<br/> Plus allait se vidant le fatal sablier,<br/> Plus ma torture était âpre et délicieuse;<br/> Tout mon coeur s’arrachait au monde familier</td> <td bgcolor="lightgray">Second</td> <td bgcolor="gray">Third</td> <td> <table style="height: 100%"> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">Ichi</td></tr> <tr bgcolor="white" style="height: 30%"><td bgcolor="cyan" style="height: 30%">Ni</td></tr> <tr bgcolor="blue" style="height: 30%"><td bgcolor="yellow" style="height: 30%">San</td></tr> </table> </td></tr> </table>'); $pdf->Output('example_002.pdf', 'I'); ?> I want table in last cell to fill it entirely. Is there any way to do this?

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• Internet Explorer 7 Bugs - incorrect display OR dead links

  - by ClarkeyBoy

  Hi, I recently launched a website I have been developing over the past year - http://Live.heritageartpapers.co.uk/. My dad, who owns the company, had a phone call today saying it doesnt display properly in IE7. Bug #1: The header and footer are both in a div, whereas the content is in a table between the two divs. Reportedly the content (table) sometimes (not always, according to IETester) displays below the footer, but the footer still displays where it is supposed to (ie there is a massive gap where the content should fit). Bug #2: When the content does display in the correct place, all the links on the page are dead - click on them and nothing happens. As you can see if you view it in Firefox (the version I am using is 3.6), the links in the left hand menu turn orange on mouseover. However they do not even do this in IE7. Note that they do turn orange and do work if the content is displayed below the footer. I cant see why its happening - according to IETester, the IE7 interpreted source code has all the tags capitalised and many quotes removed (for example for the id attribute on most, if not all, tags) but I doubt this could cause the above bugs, could it? My question is whether anyone has ever seen any of these problems before, and/or has a solution to any of these problems?? I currently do not have the application open, but will post any relevant code in a few minutes. Alternatively just use view source. Many thanks in advance. Regards, Richard Clarke

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• Setting WPF RichTextBox width and height according to the size of a monospace font

  - by oxeb

  I am trying to fit a WPF RichTextBox to exactly accommodate a grid of characters in a particular monospace font. I am currently using FormattedText to determine the width and height of my RichTextBox, but the measurements it is providing me with are too small--specifically two characters in width too small. Is there a better way to perform this task? This does not seem to be an appropriate way to determine the size of my control. RichTextBox rtb; rtb = new RichTextBox(); FontFamily fontFamily = new FontFamily("Consolas"); double fontSize = 16; char standardizationCharacter = 'X'; String standardizationLine = ""; for(long loop = 0; loop < columns; loop ++) { standardizationLine += standardizationCharacter; } standardizationLine += Environment.NewLine; String standardizationString = ""; for(long loop = 0; loop < rows; loop ++) { standardizationString += standardizationLine; } Typeface typeface = new Typeface(fontFamily, FontStyles.Normal, FontWeights.Normal, FontStretches.Normal); FormattedText formattedText = new FormattedText(standardizationString, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, fontSize, Brushes.Black); rtb.Width = formattedText.Width; rtb.Height = formattedText.Height;

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• Can't Change The Content of a Ajax Control After CallBack

  - by Kubi

  public void RaiseCallbackEvent(String eventArgument) { // Processes a callback event on the server using the event // argument from the client. //Response.Write(eventArgument); printAlternativesFromAirport(eventArgument); } public void printAlternativesFromAirport(string airport) { List<TravelPlan> alternatives = fit.Code.TextDataHelper.GetAllTravelPlansFromCity(airport); AlternativesAcc.Panes.Clear(); AjaxControlToolkit.AccordionPane p = new AjaxControlToolkit.AccordionPane(); Label header = new Label(); header.Text = airport; Label content = new Label(); content.Text = airport; p.HeaderContainer.Controls.Add(header); p.ContentContainer.Controls.Add(content); AlternativesAcc.Panes.Add(p); ... Hi, printAlternativesFromAirport method should change an accordion panel after the callback but it doesn't. Is there anything that i could set to fix this problem ? There should be stg with the page lifecycle but i can't figure it out ! Thanks

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• C# program that generates html pages - limit image dimensions on page

  - by Professor Mustard

  I have a C# program that generates a large number of html pages, based on various bits of data and images that I have stored on the file system. The html itself works just fine, but the images can vary greatly in their dimensions. I need a way to ensure that a given image won't exceed a certain size on the page. The simplest way to accomplish this would be through the html itself... if there was some kind of "maxwidth" or "maxheight" property I could set in the html, or maybe a way to force the image to fit inside a table cell (if I used something like this, I'd have to be sure that the non-offending dimension would automatically scale with the one that's being reduced). The problem is, I don't know much about this "fine tuning" kind of stuff in html, and it seems to be a tough thing to Google around for (most of the solutions involve some sort of html specialization; I'm just using plain html). Alternatively, I could determine the width and height of each image at runtime by examining the image in C#, and then setting width/height values in the html if the image's dimensions exceed a certain value. The problem here is that is seems incredibly inefficient to load an entire image into memory, just to get its dimensions. I would need a way to "peek" at an image and just get its size (it could be bmp, jpg, gif or png). Any recommendations for either approach would be greatly appreciated.

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