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• T4MVC Add-In to auto run template

  T4MVC is a fantastic solution to avoid 'Magic Strings' in ASP.NET MVC. Thanks to David Ebbo for this contribution which has made its way to MVCContrib. Must keep T4 template open and save it once.This has been the only negative thing about the template. I thought about writing an Add-In for VS to do this and even taked to David about doing it. Well, his latest post has inspired me to...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Spreadsheets in Game Design?

  - by Joey Green

  There have been two instances from the past two weeks that I've heard from well known successful game developers that they use spreadsheets when designing games. The first being David Whatley in this GDCVault video: http://gdcvault.com/play/1012372/From-Zero-to-Time-Magazine The second being the guys that do Walled Garden Weekly: http://walledgardenweekly.com/ David said he models everything out and uses excel models to see how everything plays out. What on earth is he talking about? Is it seeing how the game mechanics react to each other? Is there somewhere where I can learn more about how to do this? Thanks

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• SQL Overview VI - Monitoring Process Locks

  In the sixth part of his series on monitoring your SQL Server, David Bird looks at process locks.

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• Time Bomb Design - A Longer Fuse

  In a sequel to his first article on Time Bomb Design, David Poole examines the issues we find between development environments and production ones.

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• Comparison of Extreme Programming (XP) to Traditional Programming Methodologies

  The comparison of extreme programming (XP) to traditional programming methodologies can find similarities between the historic biblical battle between David and Goliath. Goliath of Gath is a Philistine warrior renowned for his size, strength and battle tested skills. Much like Goliath, traditional methodologies are known to be cumbersome due to large amounts of documentation, and time consuming do to the time needed to gather all the information. However, traditional methodologies have been widely accepted by the software development community for years because of its attention to detail regarding project development and maintenance. David is a male Israelite teenager, who was small, fearless, and untrained in any type of formal combat. In a similar fashion, extreme programming focuses more on code over documentation so that time is spent on developing the project and not on cumbersome documentation of a project. Typically, project managers and developers are fearless when they start this type of project because they usually start with little to no documentation, and they expect to be given changes to be implemented at the start of every new project iteration. Because of the lack of need or desire for documentation in extreme programming projects they appear to act as if there is no formal process involved in developing an extreme programming project.  This is a misnomer, because of the consistent development iterations and interaction with clients and users the quickly takes form because each iteration allows the project to be refined as the customer needs and desires change. Ravikant Agarwal and David Umphress documented a new approach to extreme programming called personal extreme programming (PXP) at the ACM Southeast Regional Conference in 2008. PXP is the application of extreme programming core concepts in a single developer team environment.  PXP focuses on how to adjust the main concepts and practices of extreme programming that is typically centered in a group environment and how they can be altered to be beneficial for a single developer environment. Suzanne Smith and Sara Stoecklin are both advocates of extreme programming according to the Journal of Computing Sciences in Colleges and in fact they feel that it should receive more attention in introductory programming classes to allow students to better understand the software development process. Reasons why extreme programming is a good thing: Developers get to do more of what they love, Develop. Traditional software development methodologies tend to  add additional demands on a project by requiring all requirements and project specifications to be fully defined prior to the start of the implementation phase of a project. A standard 40 hour work week. With limiting the work week to only 40 hours prevents developers from getting burned out on projects.

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• Routing PHP memcached calls to Oracle Coherence

  - by cj

  A new post Getting Started with the Coherence Memcached Adaptor from David Felcey shows how PHP memcached calls can automatically be routed to store data in Oracle Coherence 12c. This is possible now Coherence 12.1.3 supports Memcached clients using the Binary Memcached protocol. David's post shows how the Coherence Memcached adaptor can be configured as a proxy service that runs in the Coherence cluster. There's nothing particular to configure in the PHP application, except to enable memcached.use_sasl = 1 So what is Coherence? It is an "in-memory data grid solution", with a number of advanced features. You can read more in the Oracle Coherence 12C Data Sheet.

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• Managing the Transition to IFRS

  As countries around the world announce and begin their move to adopting IFRS what can companies learn from those that have already travelled this path? Nigel Youell, Product Marketing Director for Performance Management Applications at Oracle talks to David Jones, Director at PWC, who has worked with multi-national companies across Europe helping them to make this transition and to improve their financial reporting in the process. This podcast offers those who have not yet started, or are currently undertaking, the IFRS journey the chance to learn from David's considerable experience on how to make IFRS an opportunity for improvement rather than just an enforced change.

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• why does absolute paths of images gets converted to cid?

  - by David Verhulst

  I've got mailings that need to be sended using cron. When I load the script manualy all works fine. With cron i get broken images. to change the src of my img i used: $body = eregi_replace("managersrc_logo","images/managers/acertainlogo.jpg",$body); Because i thaught that it is importent to use absolute paths i also tried: $body = eregi_replace("managersrc_logo","http://www.site.com/images/managers/acertainlogo.jpg",$body); In that case i even do not see the images when i run the cronscript manualy. Nor the automated cron will display me the images. When i check the source of the mail that is received i always see "cid:encryptedstuff" even if i use absolute paths? Why is that? I just want my absolute paths being printed in the src attribute of the img tag. Who changes my absolute path to cid: ? is it php, phpmailer or outlook itself? Any help someone?.... David

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• Patterns for implementing field change tracking.

  - by David

  Hi all For one of my recent projects, I had to implement field change tracking. So anytime the user changed a value of a field, the change was recorded in order to allow full auditing of changes. In the database, I implemented this as a single table 'FieldChanges' with the following fields: TableName, FieldName, RecordId, DateOfChange, ChangedBy, IntValue, TextValue, DateTimeValue, BoolValue. The sproc saving changes to an object determines for each field whether it has been changed and inserts a record into FieldChanges if it has: if the type of the changed field is int, it records it in the IntValue field in the FieldChanges table, etc. This means that for any field in any table with any id value, I can query the FieldChanges table to get a list of changes. This works quite well but is a bit clumsy. Can anyone else who has implemented similar functionality suggest a better approach, and why they think it's better? I'd be really interested - thanks. David

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• Borland C++ builder 6 linker error

  - by david

  Hello, I am recompling a project using Borland C++ Builder 6. The recompile process failed due to linker error. The message was: "[Linker Fatal error] Fatal unable to open file ABCC.lib" I removed all references of ABCC.lib in the project option and environment options, but the same error still occurred. I even tried manually removed ABCC.lib from the .bpr file, but the error just did not go away. Also, what is the ABCC.lib? Any help is appreciated. Thanks in advance. David.

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• insert a BLOB via a sql script ?

  - by David Michel

  Hi, I have an H2 database (http://www.h2database.com) and I'd like to insert a file into a BLOB field via a plain simple sql script (to populate a test database for instance). I know how to do that via the code but I cannot find how to do the sql script itself. I tried to pass the path , i.e. INSERT INTO mytable (id,name,file) VALUES(1,'file.xml',/my/local/path/file.xml); but this fails. Within the code (java for instance), it's easy to create a File object and pass that in, but directly from a sql script, I'm stuck... Any idea ? David

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• Connecting Multiple Buttons to one action?

  - by David

  Hello, I have multiple UIButtons in my app. I also use interfacebuilder. In my .h i have something like this IBOutlet UIButton *button1; IBOutlet UIButton *button2; IBOutlet UIButton *button3; - (IBAction)buttonPressed; Then In my m i want to do something like this (IBAction)buttonPressed { if (theButtonIpressed == button1) { } } The problem is I don't have something called "theButtonIpressed" so I cant do this. What should my if statement look like? Thanks, -David

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• Flash under dhtml menu

  - by David

  I'm struggling with this probelm for few hours and it's drives me crazy. I want my drop down menu put over flash area and it works but only in FF. Unfotunelly IE and Opera shows my menu under flash. The DHTML menu system is the simplest as possible and it was wrote from scratch by me. I've been trying everything, and still it doesn't work like it should. I tried to put the flash element by jquery.flashEmbed script and by standard code with param transparent, but it never works. Plese help me, I'm loosing my head. Here is the xhtml: http://www.project.yamandi.com/toton/ Regards, David

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• Why would a CSV attachment appear as text in the body?

  - by David

  Hi all I've just implemented some code that emails a bunch of our clients with a CSV file attachment. Some (not many) have got back to us complaining that they don't get an attachment at all - just the CSV text inside the body of the email. Most however are fine. I suspect that it's different mail clients that are treating the attachment differently but I don't have enough info yet to be sure. I'm using .NET's MailMessage class with the Attachment.CreateAttachmentFromString() method. The MIME type I'm specifying for the attachment is text/csv. Anyone have any idea what the heck is going on? Ta muchly David

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• Basic OpenGL ES2 (iPhone Simulator) question...

  - by David

  Hi! I'm trying to modify the fragment shader which is part of the standard iPhone/XCode OpenGL ES template. I want to make it so that every other row of pixels is transparent. I have this code so far: varying lowp vec4 colorVarying; void main() { gl_FragColor = vec4(colorVarying.x, colorVarying.y, colorVarying.z, floor(mod(gl_FragCoord.y, 2.0))); } But when I compile and run I still get the same square moving up and down with no other effects. What am I doing wrong here? I'm a complete n00b at Glsl - I'm trying to teach myself the very basics. (starting with this tutorial - http://www.mobileorchard.com/getting-started-with-opengl-es-20-on-the-iphone-3gs/) Please help! Thanks! David :)

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• From iPhone OS to cocoa on OSX...

  - by David

  Hi - this is quite a basic OSX/cocoa question. I come from an iPhone OS development background. I'm now trying to write apps for OSX, but I don't understand where cocoa on OSX decides where the program gets control. I can see the main function, but where does program control go from there? Say for example I want to programatically create a window with an NSView in it once the app has finished launching - how would I do that? There is no app delegate created that I can see, in iPhone OS I would wait for the - (void) applicationDidFinishLaunching:(UIApplication *)application method to be called. I really don't want to use the Interface Builder or NIB files to setup my window/view. How would I go about this? Any help would be much appreciated - Cheers, David

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• Jquery Randomizing within Categories

  - by David Chase

  Hi, so here is my question in a situation if you will. i have 6 items in div classes which correspond to 3 categories something like this class ="boat" class ="car" class ="bike" class ="blueboat" class ="redcar" class ="greenbike" so is there a jquery/javascript approach with .addClass where when someone clicks on the button "Randomize" it addClass .mine to each one of the 3 categories ie blueboat.mine and redcar.mine and bike.mine but not boat or car or greenbike because they are in the same category? or another situation rather than .addClass use a jquery/javascript so when "Randomize" is clicked to randomly show 3 out of 6 items one in each category of boat,car,bike and hide the rest blueboat,redcar,greenbike. in this situation all 6 items are on the page when document is ready but with the randomize only 3 are left one from each category. please let me know if anyone has any ideas or needs further clarification any help is greatly appreciated. thank you -david

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• Intellisense in header files

  - by David

  I just right now "migrated" from C# to C++/CLR. First I was annoyed, that I had to write all class' declarations twice (into .h and .cpp). Then I figured out, that I could place the code also into the h-files - it compiles at least. Well, I deleted all cpp's of my classes and now I realized, VS won't give me any Intellisense when I work on my h-files. I guess I should not place my code in the hfiles (the code won't be reused in other projects for sure), but I find it terrible to adjust all method declarations at two places... Plus I have to switch back and forth to see what modifier my method etc. and it is not nicely all in one place like in C# (with it's pros and cons). I'm sorry this is a newbie question, but I just wanted to make sure that there isn't any possibility to enable intellisense for hfiles. Or at least to learn, that I am completely on the wrong path... Thanks, David

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• 2 questions about drag and drop with Javascript

  - by David

  Hello, I'm trying to be able to drag random highlighted text or images on a random page that is not written by me, thus I cannot simply wrap the text in a div and make it draggable. Is there any way to get highlighted text or images on a random page, like say Yahoo, and drop it into a container that can recognize what was being dropped into it (like content and content-type) without it even being an explicitly declared draggable? I've been playing with jQuery, but can't figure it out. Any help would be greatly appreciated. Regards, David

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• How to determine which dijit.layout.AccordionPane is currently selected

  - by David Zhao

  Hi there, I tried to use "dijit.layout.AccordionPane.selected" to determine if any given AccordionPane is in focus (selected). However, AccordionPane.selected property will be set to "True" once the AccordionPane is selected, and AccordionPane.selected stays as "True" even other dijit.layout.AccordionPane is selected. So in other words, if I have 3 AccordionPanes, after I clicked on all 3 of them, AccordionPane.selected property for all 3 of them are "True" now. Is this a bug, or there is other ways to determine which AccordionPane is currently being selected (in focus)? Thanks in advance! David

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• How do I free SQLServerCE's COM instance from the current running process?

  - by David Thornley

  It's been a while since I touched COM so be nice ;) This is under WindowsCE 5.0 with SQLServerCE 2.0. After calling this to load SQLServerCE 2.0 : - IDBInitialize *pIDBInitialize = NULL; CoCreateInstance(CLSID_SQLSERVERCE_2_0, NULL, CLSCTX_INPROC_SERVER, IID_IDBInitialize, (void**)&pIDBInitialize); Module load occurs for SSCE20.dll which obviously loads the SQLServerCE engine into the process space. What I don't understand is if I do this immediately after :- pIDBInitialize->Release(); I don't see a dll module unload, so that SSCE20.dll (and friends) are still loaded into my process. Now I tried CoFreeUnusedLibraries() which I figure forces COM to purge any unused libraries, but it doesn't seem to do the trick. At runtime I want to be able to completely unload the SQLServerCE 2.0 dll from the process to streamline an upgrade to 3.5SP1. I suspect this has something to do with the shared dll model that Microsoft use under WindowsCE... but, I might be wrong :) Thanks in advance, David.

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• Entitiy Framework: "Update Database from Model" instead of "Generate Database from Model"

  - by David

  Hey everyone, I have created a Entity Framework 4 model with Visual Studio 2010 and generated a database from it. Now I found myself adding new properties (with default values), changing documentation of columns, changing names of columns, changing types of columns several times. All tasks that do not require much "extra work" in order not to be possible to be achieved automatically (in my humble opinion). Everytime I did "Generate Database from Model" and lost of course the table data. Is there a way just to update the database's architecture so to say - leaving the table data untouched? Maybe with some user interaction especially when changing types etc.? Or would this functionality be simply too difficult to be realized to work in a reliable way? Thanks in advance! Cheers, David

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• So how I can control the page contents loading sequence in dojo

  - by David Zhao

  Hi there, I'm using dojo for our UI's, and would like to load certain part of page contents in sequence. For example, for a certain stock, I'd like to load stock general information, such as ticker, company name, key stats, etc. and a grid with the last 30 days open/close prices. Different contents will be fetched from the server separately. Now, I'd like first load the grid so the user can have something to look at, then, say, start loading of key stats which is a large data set takes longer time to load. How do I do this. I tried: dojo.addOnLoad(function() { startGrid(); //mock grid startup function which works fine getKeyStats(); //mock key stat getter function also works fine }); But dojo is loading getKeyStats(), then startGrid() here for some reason, and sequence doesn't seem be matter here. So how I can control the loading sequence at will? Thanks in advance! David

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• Non modal "status" form

  - by David Jenings

  At the beginning of a section of C# code that could take several seconds to complete, I'd like to display a non modal form with a label that just says, "Please wait..." WaitForm myWaitForm = null; try { // if conditions suggest process will take awhile myWaitForm = new WaitForm(); myWaitForm.Show(); // do stuff } finally { if (myWaitForm != null) { myWaitForm.Hide(); myWaitForm.Dispose(); myWaitForm = null; } } The problem: the WaitForm doesn't completely display before the rest of the code ties up the thread. So I only see the frame of the form. In Delphi (my old stomping ground) I would call Application.ProcessMessages after the Show() Is there an equivalent in C#? Is there a canned "status" form that I can use in situations like this? Is there a better way to approach this? Thanks in advance. David Jennings

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• Using SQL to calculate a date within a certain date range

  - by David Passmore

  Hi, I'm using access 2007 and i am trying to set up a database to act as a library system, i need a function that automatically calculates a date 14 days after a given date i.e. Loan Date vs. Due Date. But the library is open only on certain Days. So i need the 14 days not to include the dates that are out of hours, like weekends and school holidays etc. I think i need to use Select Case or IIF's? Help would be appreciated! Thanks David

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