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  • Unusual conversion error (string to integer) asp.net

    - by Phil
    I have my repeater item template: <ItemTemplate> <tr><td><%#Container.DataItem("Category")%></td></tr> </ItemTemplate> Hooked up to: s = "SQL that works ok on server" x = New SqlCommand(s, c) x.Parameters.Add("@contentid", SqlDbType.Int) x.Parameters("@contentid").Value = contentid c.Open() r = x.ExecuteReader If r.HasRows Then Linksrepeater.DataSource = r Linksrepeater.DataBind() End If c.Close() r.Close() When I run the code I get: Invalid Cast Exception was not handled by user code (Conversion from string "category" to type 'Integer' is not valid.) I'm not sure how / why it is trying to convert "Category" to integer as in the db it is a string. Can you please tell me how to avoid this error? thanks.

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  • Will my shared variables loose value? (asp.net vb)

    - by Phil
    I have a class includes.vb that holds some variables (sharing them with other pages) like: Public Shared pageid As Integer = 0 I then have a function that does some work with these variables returning them with values; Return pageid When I step through the code, the variables have values (while stepping through the function), but when they are returned to the page, they come back null. Do they loose value everytime a page is loaded? Can you suggest an alternative method? Thanks a lot.

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  • Show/Hide divs with same class - jquery

    - by phil
    Hello, I have 1 div that will contain 3-5 divs with the same class. Below the div is an anchor. I would like for when this anchor is clicked it will hide the first div and then show the second. Another click would show the next and so on. I have set display:none on all divs but the first so only one is currently showing. I just can't figure out how to hide the first and then show the second, then third, then next when clicking the anchor. <div class="container-div"> <div class="inner-div">...</div> <div class="inner-div" style="display:none;">...</div> <div class="inner-div" style="display:none;">...</div> <a href="#" class="more">More</a> </div> So when the more anchor is clicked it would show one inner-div one at a time. Any suggestions or ideas would be greatly appreciated. Also, I would like to use jquery to accomplish this.

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  • SQLite editor capable of handling BLOB type for Mac

    - by Phil
    Hi, I am looking for a free/cheap SQLite editor that can handle BLOB type for Mac OS X. Basically, I just need to create a database that contains images, then load it to an iPhone app bundle. No need for fancy queries. Could someone recommend the best editor available out there for this purpose? Thanks a lot

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  • fancybox - passing 'this' to onClosed function

    - by Phil Jackson
    Hi this is probly really simple but I juast cant seem to figure it out! if( is_logged_out( html ) ) { var throughClick = $(this); $.fancybox( html, { 'autoDimensions' : false, 'width' : 'auto', 'height' : 'auto', 'transitionIn' : 'none', 'transitionOut' : 'none', 'hideOnOverlayClick' : false, 'showCloseButton' : false, 'onClosed' : function( throughClick ) { alert(throughClick.attr('name')); throughClick.trigger('click'); } }); }else{ All i want to do is pass the object of whichever button or link that was clicked, so once the user has logged back in it will process again. Any help is much appreciated.

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  • Make these 2 sql statements into one with the same functionality

    - by Phil
    I have sql statement one; select linkscat.id, linkscat.category from linkscat, contentlinks, links where contentlinks.linksid = links.id and contentlinks.contentid = @contentid and links.linkscatid = linkscat.id order by linkscat.category and sql statement 2 takes a parameter called @linkscat which is 'id' from the statement above; select * from links where linkscatid= @linkscat I'm running into all types of trouble trying to use many sqldatareaders, nested repeaters etc, but it would be great if all the work could be done in the one statement? Is this possible and if so please can you help by posting the final statement? Thanks greatly, any help much appreciated!

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  • SQL Server, View using multiple select statements

    - by phil
    I've banging my head for hours, it seems simple enough, but here goes: I'd like to create a view using multiple select statements that outputs a Single record-set Example: CREATE VIEW dbo.TestDB AS SELECT X AS 'First' FROM The_Table WHERE The_Value = 'y' SELECT X AS 'Second' FROM The_Table WHERE The_Value = 'z' i wanted to output the following recordset: Column_1 | Column_2 'First' 'Second' any help would be greatly appreciated! -Thanks.

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  • A nuts and bolts reference to C# performance and memory use

    - by phil
    I wonder if anyone could point me in the direction where I can read about the nuts and bolts of C#. What I'm interested in learning are method call costs, what it costs to create objects and such. My aim of learning this is to get a better understanding of how increase the performance of an application and get a better understanding of how the C# language works. The reference should preferable be a book, a book that I can read cover to cover.

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  • Can Mac have more than one client using its desktop?

    - by Phil
    I have one Server Mac OSX and have 5 windows PC's in my team. So I have this program on the MAC but I want two users in my team to be able to use this program, is there any way more than one person can VNC or remote desktop or something to the MAC server? Then those two users could both use the program on the mac server. I would need two legal licenses, I guess.

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  • only return random number when it is unique

    - by phil
    My brain is melting today and i cannot think how to do this simple bit of code. numberList is a string of numbers seperated by commas like '2, 34, 10' etc.. when i request a random number i need to check if the string has the number, if it does i want to keep requesting a random number until the random number is definitely not in the string. i cant think what kind of loop i would do to get this to work: Random r = new Random(); public int RandomPos(int max) { int i; do { i = r.Next(max) + 1; } while (!numberList.Contains(i.ToString())); return i; }

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  • Sliding through divs at interval - jQuery

    - by phil
    Hey, I have a list of around 30 divs (see below.) and would like to hear any suggestions on the best way to rotate through them by sliding in one at the top and removing one from the bottom at a set time. Something like every 5-10 seconds. Also even though there are 30 on the page I would only like to show a list of 10 and have the rest show as mentioned. A great example would be www.foursquare.com and their recent activity section. I would like to do the same except with a predetermined amount of divs instead of real-time using ajax. Any suggestions or a bit of help pointing me in the right direction would be greatly appreciated. <div class="recent-questions"> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> <div class="recent-question"></div> </div> Thanks in advance for any help or thoughts!

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  • Changing careers to Software Engineering.... Wise?

    - by Phil
    Hello everyone, I notice this site has a wealth of software professionals and I am investigating a career change to Software Engineering: *Particularly, I would like to know how likely one would be able to work from home or another country over the internet. Is this something that can be done and what does it usually entail? (time?,experience?, specific companies?, etc) *Currently, I am a teacher but always had a passion for tech. I am interested in a MS - Software Engineering program designed for individuals based from another field. Is this a wise degree to obtain? Would I be just wasting my time and money obtaining this degree? (I'm suspicious about this program and the feasibility of obtaining employment without a healthy CS background) Thanks for any assistance you can provide!

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  • "Distance" between colours in PHP

    - by Phil
    I'm looking for a function that can accurately represent the distance between two colours as a number or something. For example I am looking to have an array of HEX values or RGB arrays and I want to find the most similar colour in the array for a given colour eg. I pass a function a RGB value and the 'closest' colour in the array is returned

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  • What does this java output mean?!

    - by Phil
    public class Arrys { private int[] nums; //Step 3 public Arrys (int arrySize) { nums = new int[arrySize]; } public int [] getNums (){ return nums; } } Test class: public class TestArrys { public static void main(String args[]) { //Step 4 Arrys arry = new Arrys(10); System.out.println("\nStep4 "); for(int index = 0; index < arry.getNums().length; index++) { System.out.print(arry.getNums()); } } } It's incredibly simple, that is why I think I'm doing something fundamentally wrong. All I want is to display the value of the array. This is what I get back. I am totally lost, there is nothing in my book that explains this nor does googling it help. Step4 [I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440[I@1ac88440

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  • Alternative for execCommand('underline');

    - by Phil
    The Underline-Tag are removed on HTML5… But the execCommand creates that Tag… Is there any alternative working like the execCommand? (An Alternative who prevents also things like nicetestString, things like that will happen if i use only the surroundContents Methode of the Range… it throws a BAD_BOUNDARYPOINTS_ERR)

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  • Is there a circular hash function?

    - by Phil H
    Thinking about this question on testing string rotation, I wondered: Is there was such thing as a circular/cyclic hash function? E.g. h(abcdef) = h(bcdefa) = h(cdefab) etc Uses for this include scalable algorithms which can check n strings against each other to see where some are rotations of others. I suppose the essence of the hash is to extract information which is order-specific but not position-specific. Maybe something that finds a deterministic 'first position', rotates to it and hashes the result? It all seems plausible, but slightly beyond my grasp at the moment; it must be out there already...

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  • Incorrect data when passing pointer a list of pointers to a function. (C++)

    - by Phil Elm
    I'm writing code for combining data received over multiple sources. When the objects received (I'll call them MyPacket for now), they are stored in a standard list. However, whenever I reference the payload size of a partial MyPacket, the value shows up as 1 instead of the intended size. Here's the function code: MyPacket* CombinePackets(std::list<MyPacket*>* packets, uint8* current_packet){ uint32 total_payload_size = 0; if(packets->size() <= 0) return NULL; //For now. std::list<MyPacket*>::iterator it = packets->begin(); //Some minor code here, not relevant to the problem. for(uint8 index = 0; index < packets->size(); index++){ //(*it)->GetPayloadSize() returns 1 when it should show 1024. I've tried directly accessing the variable and more, but I just can't get it to work. total_payload_size += (*it)->GetPayloadSize(); cout << "Adding to total payload size value: " << (*it)->GetPayloadSize() << endl; std::advance(it,1); } MyPacket* packet = new MyPacket(); //Byte is just a typedef'd unsigned char. packet->payload = (byte) calloc(total_payload_size, sizeof(byte)); packet->payload_size = total_payload_size; it = packets->begin(); //Go back to the beginning again. uint32 big_payload_index = 0; for(uint8 index = 0; index < packets->size(); index++){ if(current_packet != NULL) *current_packet = index; for(uint32 payload_index = 0; payload_index < (*it)->GetPayloadSize(); payload_index++){ packet->payload[big_payload_index] = (*it)->payload[payload_index]; big_payload_index++; } std::advance(it,1); } return packet; } //Calling code std::list<MyPacket*> received = std::list<MyPacket*>(); //The code that fills it is here. std::list<MyPacket*>::iterator it = received.begin(); cout << (*it)->GetPayloadSize() << endl; // Outputs 1024 correctly! MyPacket* final = CombinePackets(&received,NULL); cout << final->GetPayloadSize() << endl; //Outputs 181, which happens to be the number of elements in the received list. So, as you can see above, when I reference (*it)-GetPayloadSize(), it returns 1 instead of the intended 1024. Can anyone see the problem and if so, do you have an idea on how to fix this? I've spent 4 hours searching and trying new solutions, but they all keep returning 1... EDIT:

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  • Are there any javascript string formatting operations similar to the way %s is used in Python?

    - by Phil
    I've been writing a lot of javascript, and when I want to stick a variable in a string, I've been doing it like so: $("#more_info span#author").html("Created by: <a href='/user/" + author + "'>" + author + "</a>"); I feel like it's pretty ugly and a pain to write over and over. In python the %s operator makes this problem easy. Even in C, I can do sprintf (IIRC). Is there anything like that in javascript? (Lots of google'ing yielded nothing.)

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  • Silverlight Cream for March 24, 2010 -- #819

    - by Dave Campbell
    In this Issue: Nokola, Tim Heuer, Christian Schormann, Brad Abrams, David Kelley, Phil Middlemiss, Michael Klucher, Brandon Watson, Kunal Chowdhury, Jacek Ciereszko, and Unni. Shoutouts: Michael Klucher has a short post up For Love of the Game (Development)…, where he's looking for some input from the developer community. Shawn Hargreaves has a link post up of all the Windows Phone MIX10 presentations Chris Cavanagh has a Soft-Body Physics for Windows Phone 7 post up that goes along with one he did 1-1/2 years ago! Jeff Weber posted An Open Letter To Microsoft Regarding The Silverlight Game Development Community Pete Brown posted his MIX10 Recap ... lots of information, and discussion of what he was up to ... I liked the Trivia app Pete... glad to hear that was yours :) I've changed my mind and added a WP7 tag to SilverlightCream. I'll straighten out all the Mobile plus Silverlight links to point at the WP7 tab hopefully tonight. From SilverlightCream.com: EasyPainter Source Pack 3: Adorners, Mouse Cursors and Frames Nokola has been busy with EasyPainter adding in Custom, Extensible Mouse Cursors and Customizable Adorners with extensible adorner frames, and best of all... all with source code! Simulate Geo Location in Silverlight Windows Phone 7 emulator Among the things we don't have in our WP7 emulators is Geo Location... Tim Heuer comes to the rescue with a simulator for it... too cool, Tim! Blend 4: About Path Layout, Part II Christian Schormann is back with Part 2 of his tutorial sequence on the new Path Layout. Really good info and definitely cool presentations of the control. Silverlight 4 + RIA Services - Ready for Business: Exposing OData Services Brad Abrams continues his series with a post on exposing OData services. This looks like a great tutorial on the topic... will probably resolve some questions I've been having :) No Silverlight and Preloader Experience(ish) - in 10 seconds... David Kelley exposes the code he uses on his site, designed to be friendly to Silverlight and non-Silverlight users alike. Merged Dictionaries of Style Resources and Blend Phil Middlemiss has a nice article up on Merged Dictionaries and using multiple resource dictionaries that the app chooses, but also be compatible with Prism and Blend while not eating your system resources out of house and home. XNA Game Studio and Windows Phone Emulator Compatibility Michael Klucher has a definitive post up about getting your XNA and system up-to-speed for WP7... a must-read if you've been running any of the other XNA drops. Windows Phone 7 301 Redirect Bug Brandon Watson reports a 301 Redirect bug on WP7 ... see the code and how he got it, then follow along as he explains all the debug paths he took and what the resolution (?) really is :) Silverlight 4: How to use the new Printing API? Kunal Chowdhury has a tutorial up on printing with Silverlight 4 RC... from the project layout to printing and then printing a smaller section... all good Printing problem in Silverlight 4.0 RC - loading images in code behind Jacek Ciereszko also is writing about printing, and in his case he had problems with loading an image dynamically and printing it... plus he provides a solution to the 'blank page' problem. ToolboxExampleAttribute - a new extension point in Blend 4 (and a few other extensibility related changes) Unni has an article up about Expression Blend 4's new ToolboxExampleAttribute which allow you to have multiple examples of the same type resulting in different XAML produced. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone    MIX10

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  • Silverlight Cream for May 15, 2010 -- #862

    - by Dave Campbell
    In this Issue: Victor Gaudioso, Antoni Dol(-2-), Brian Genisio, Shawn Wildermuth, Mike Snow, Phil Middlemiss, Pete Brown, Kirupa, Dan Wahlin, Glenn Block, Jeff Prosise, Anoop Madhusudanan, and Adam Kinney. Shoutouts: Victor Gaudioso would like you to Checkout my Interview with Microsoft’s Murray Gordon at MIX 10 Pete Brown announced: Connected Show Podcast #29 With … Me! From SilverlightCream.com: New Silverlight Video Tutorial: How to Create Fast Forward for the MediaElement Victor Gaudioso's latest video tutorial is on creating the ability to fast-forward a MediaElement... check it out in the tutorial player itself! Overlapping TabItems with the Silverlight Toolkit TabControl Antoni Dol has a very cool tutorial up on the Toolkit TabItems control... not only is he overlapping them quite nicely but this is a very cool tutorial... QuoteFloat: Animating TextBlock PlaneProjections for a spiraling effect in Silverlight Antoni Dol also has a Blend tutorial up on animating TextBlock items... run the demo and you'll want to read the rest :) Adventures in MVVM – My ViewModel Base – Silverlight Support! Brian Genisio continues his MVVM tutorials with this update on his ViewModel base using some new C# 4.0 features, and fully supports Silverlight and WPF My Thoughts on the Windows Phone 7 Shawn Wildermuth gives his take on WP7. He included a port of his XBoxGames app to WP7 ... thanks Shawn! Silverlight Tip of the Day #20 – Using Tooltips in Silverlight I figured Mike Snow was going to overrun me with tips since I have missed a couple days, but there's only one! ... and it's on Tooltips. Animating the Silverlight opacity mask Phil Middlemiss has an article at SilverZine describing a Behavior he wrote (and is sharing) that turns a FrameworkElement into an opacity mask for it's parent container... cool demo on the page too. Breaking Apart the Margin Property in Xaml for better Binding Pete Brown dug in on a Twitter message and put some thoughts down about breaking a Margin apart to see about binding to the individual elements. Building a Simple Windows Phone App Kirupa has a 6-part tutorial up on building not-your-typical first WP7 application... all good stuff! Integrating HTML into Silverlight Applications Dan Wahlin has a post up discussing three ways to display HTML inside a Silverlight app. Hello MEF in Silverlight 4 and VB! (with an MVVM Light cameo) Glenn Block has a post up discussing MEF, MVVM, and it's in VB this time... and it's actually a great tutorial top to bottom... all source included of course :) Understanding Input Scope in Silverlight for Windows Phone Jeff Prosise has a good post up on the WP7 SIP and how to set the proper InputScope to get the SIP you want. Thinking about Silverlight ‘desktop’ apps – Creating a Standalone Installer for offline installation (no browser) Anoop Madhusudanan is discussing something that's been floating around for a while... installing Silverlight from, say, a CD or DVD when someone installs your app. He's got some good code, but be sure to read Tim Heuer and Scott Guthrie's comments, and consider digging deeper into that part. Using FluidMoveBehavior to animate grid coordinates in Silverlight Adam Kinney has a cool post up on animating an object using the FluidMotionBehavior of Blend 4... looks great moving across a checkerboard... check out the demo, then grab the code. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Silverlight Cream for June 08, 2010 -- #877

    - by Dave Campbell
    In this Issue: Miroslav Miroslavov, Chris Klug, Beau, Christian Schormann(-2-), Dan Wahlin, Pete Brown, Michael S. Scherotter, Philipp Sumi, Andy Wigley, and Phil Middlemiss. Shoutouts: Mark Tucker set about learning Caliburn, and in the process is writing a Caliburn Book: Chapters 1-3 Jesse Liberty has a great link-laden post up about why we should all be learning/using Blend: Why Developers Should, Must, Do Care About The New Expression Blend be sure to read what he says about WP7 development, however! Charlie Kindel announced an Install problem with the Developer Tools CTP Refresh and the WP7 tools... check this out if you're having problems. John Papa has a good post up on the happenings yesterday: Expression Studio 4 Launch of Blend, SketchFlow, Encoder and More! Erik Mork & Company's latest "This Week in Silverlight" is titled First Drop: Prism v4 – First Drop is Available From SilverlightCream.com: Animated navigation between Pages Miroslav Miroslavov has Part 8 of his "Silverlight in Action" series up, detailing cool things from the CompleteIT site... this one is on Animated navigation between pages. Subtitling videos Chris Klug got a gig adding subtitles to videos for Microsoft (sweet) ... and no, not *that* kind of subtitles... read how he approached the final solution. Silverlight Watermark TextBox I'm not sure we can have too many Watermark TextBoxes, and neither does Beau , who sent me a link to this one... give it a dance and decide. Blend 4: Collaborative SketchFlow Feedback with SharePoint With the new Blend release, Christian Schormann has a post up describing the lashup to Sharepoint for sharing Sketchflow and getting feedback. New Utility, Links, and Tutorials for Path-Based Layout Christian Schormann also has a collection of resources for Path-Based Layouts, including a utility "that lets you apply a whole bunch of position-specific effects without having to write any code"... lots of links to resources here. Tales from the Trenches – Building a Real-World Silverlight Line of Business Application Dan Wahlin draws on his recent experience and lays out some of the fun and pitfalls of building LOB apps in Silverlight... WCF, MVVM, slides, and code included WPF (and Silverlight): Choose your Fonts and Text Rendering Options Wisely Pete Brown has a great post up on using fonts wisely across multiple platforms... lots of info and good discussion in the comments as well. Ball Watch USA Remember the awesome watch Michael S. Scherotter did in Silverlight 1 and then converted to Updated Ball Trainmaster Cannonball Watch to Silverlight 2? Well... there's now a contest underfoot and 8 videos to help you get started... all good stuff, and good luck! ... Michael has a post up about the contest: Enter to Win a Ball Watch by Creating One in Silverlight Announcing Sketchables – Rapid Mockup Creation with SketchFlow By way of Jesse Libertyhttp://jesseliberty.com/2010/06/08/why-developers-should-must-do-care-about-the-new-expression-blend/, this is a cool production by Philipp Sumi about a simple mockup framework he's created. Perst - a database for Windows Phone 7 Silverlight I think one of my first comments to Michael Washington back at the MVP Summit 2010 was that we'd need a database engine, and too cool, but we've got one, Andy Wigley discusses Perst in this post... to save you some time, here's the Perst site A Chrome and Glass Theme - Part 7 Phil Middlemiss has part 7 of his great theme-building series up... this time he's giving the accordian control a once-over. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • MVC 2 jQuery Client-side Validation

    - by nmarun
    Well, I watched Phil Haack’s show What's New in Microsoft ASP.NET MVC 2 and was impressed about the client-side validation (starts at 17:45) that MVC 2 offers. I tried creating the same, but Phil does not show what .js files need to be included and also I was not able to find the source code for the application that he used. In order to find out the required JavaScript file references, I added all of the files in my application to the page and ran it. Of course it worked, but this is definitely not an optimum solution. By removing one at a time and testing the app, I’ve short-listed the following ones: 1: <script src="../../Scripts/jquery-1.4.1.min.js" type="text/javascript"></script 2: <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> 3: <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> Now, a little about the feature itself. Say, I’m working with a Book application so my model will look something like: 1: public class Book 2: { 3: [HiddenInput(DisplayValue = false)] 4: public int BookId { get; set; } 5:  6: [DisplayName("Book Title")] 7: [Required(ErrorMessage = "Book title is required")] 8: [StringLength(20, ErrorMessage = "Must be under 20 characters")] 9: public string Title { get; set; } 10:  11: [Required(ErrorMessage = "Author is required")] 12: [StringLength(40, ErrorMessage = "Must be under 40 characters")] 13: public string Author { get; set; } 14:  15: public decimal Price { get; set; } 16: 17: [DisplayName("ISBN")] 18: [StringLength(13, ErrorMessage = "Must be 13 characters")] 19: public string Isbn { get; set; } 20: } This ensures that the data passed will be validated upon post. But what would happen if you add the line (along with the above mentioned .js files): 1: <% Html.EnableClientValidation(); %> Now, this acts as ‘on-the-fly’ or ‘real-time’ validation. Now, when the user types 20 characters for the Title, the error shows up right on the 21st character. Beautiful… and you do not have to create the JavaScript function(s) for this. They’re auto-magically created for you. (Doing a ‘View Source’ on the browser page shows you the JavaScript logic that goes on behind the scenes). I bumped into another post that shows how .net 4 allows us to create custom validation attributes: Dynamic Range validation in MVC 2. This will help us attach virtually any business logic to the model itself. Please see the source code I’ve worked with.

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