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  • Databound Accordian Control

    This sample shows how to bind data to an AJAX Accordian control, using the AJAX Control Toolkit. The first thing you will need to do, is to download it from the AJax.ASP.Net website. Then, once it's downloaded and installed, go to the Bin folder, where it's located, find the AjaxcontrolToolkit.dll and copy it to the Bin folder of your website. Once it's there, you're off to the races. Note the 'Register' statement at the top of the code here, and then, look at the different properties in the control itself. When databinding the Accordian control, you will use the HeaderTemplate and ContentTemplate tags, instead of the normal Header and Content pane tags. Add a little CSS for flavor (see the ContentCssClass property of the Accordian control, and the DIV class for the header), and we're good to go.

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  • HTG Explains: What Is Two-Factor Authentication and Should I Be Using It?

    - by Jason Fitzpatrick
    More and more banks, credit card companies, and even social media networks and gaming sites are starting to use two-factor authentication. If you’re a little unclear on what it is or on why you’d want to start using it, read on to learn how two-factor authentication can keep your data secure. HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux

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  • Conditional formatting of duplicate values in Excel

    - by jamiet
    One of the infrequent pleasures of being a data geek like me is that one does occasionally stumble across little-known yet incredibly useful features in a tool that you use day-in, day-out. Today this happened to me and the feature is Excel’s ability to highlight dupicate rows in a worksheet. Check this out: Notice that I have got some data in my worksheet that contains duplicated values and simply by selecting Conditional Formatting->Highlight Cells Rules->Duplicate Values… Excel will highlight (shown here in red) which rows are duplicated. It seem such a simple thing but when you’re working on a data integration project and the data that is being sent is of, well, let’s say dubious quality features like this are worth their weight in gold. I tweeted about this and it happened to catch a few people’s attention so I figured it might be worth blogging too. Note that I am using Excel 2013 but I happen to know that the feature exists in Excel 2010 and possibly in earlier versions too. Have a great weekend! @Jamiet

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  • Drawing a textured triangle with CPU instead of GPU

    - by Jenko
    I understand the benefits of GPU rendering and such, but for a certain limited application I need to render textured triangles purely using CPU. I've built a 3D engine capable of object handling, transform, projection, culling and the likes ... now all I need is a little code snippet that draws a single textured triangle onto a bitmap... any language accepted! Inputs: Texture bitmap, Triangle U/V/W coords, Triangle X/Y screen coords Output: The textured triangle drawn at the given screen coords I've currently been using a platform function to draw triangles to screen, but I'm looking to handle it myself to speeden up the process.

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  • C# XNA - Sky Sphere Question

    - by Wade
    I have been banging my head against the wall trying to get a sky sphere to work appropriately in XNA 4.0. I have the sphere loading correctly, and even textured, but i would like something a little more dynamic that can support a day/night cycle. My issue is that, while i know a good amount of C# and XNA, i know next to nothing about HLSL. (I could make an ambient light shader if my life depended on it...) I also have not been able to find a tutorial on how to build a sky sphere like this. Of course i don't expect to be able to make an amazing one right off the bat, i would like to start small, with a dynamic coloring sky i'll work out the clouds and sun later. My first question: Does anyone know of any good tutorial sites that could help me get a decent grasp around HLSL? Second: Does anyone have a good example of or know where to find one of a gradient sky using XNA and C#?

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  • Improve your Application Performance with .NET Framework 4.0

    Nice Article on CodeGuru. This processors we use today are quite different from those of just a few years ago, as most processors today provide multiple cores and/or multiple threads. With multiple cores and/or threads we need to change how we tackle problems in code. Yes we can still continue to write code to perform an action in a top down fashion to complete a task. This apprach will continue to work; however, you are not taking advantage of the extra processing power available. The best way to take advantage of the extra cores prior to .NET Framework 4.0 was to create threads and/or utilize the ThreadPool. For many developers utilizing Threads or the ThreadPool can be a little daunting. The .NET 4.0 Framework drastically simplified the process of utilizing the extra processing power through the Task Parallel Library (TPL). This article talks following topics “Data Parallelism”, “Parallel LINQ (PLINQ)” and “Task Parallelism”. span.fullpost {display:none;}

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  • How to deal with ad-hoc mindsets?

    - by Rotian
    I joined a dev team of six two month ago. People are nice, all is good. But more and more I observe an ad-hoc mindset. Stuff gets quick fixed, at the cost of future usability, there is little testing and two people happily admitted, that they like to carry the knowledge around in their head, rather than to write it down. How to deal with this? I'd like to lead by example, but time is limited - I like architecting and actually implementing the stuff. But I'm afraid the ad-hoc mindset infects me and rather than striving for clearness and simplicity in design and code - which isn't simple to establish - I get pulled down the drain of an endless spiral of hacks on hacks - which no outsider can uncouple - just for schedule's and management's sake.

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  • Microsoft TechEd 2010 - Day 2 @ Bangalore

    - by sathya
    Microsoft TechEd 2010 - Day 2 @ Bangalore Today is the day 2 @ Microsoft TechEd 2010. We had lot of technical sessions as usual there were many tracks going on side by side and I was attending the Web simplified track, Which comprised of the following sessions :   Developing a scalable Media Application using ASP.NET MVC - This was a kind of little advanced stuff. Anyways I couldn't understand much because this was not my piece of cake and I havent worked on this before ASP.Net MVC Unplugged - This was really great because this session covered from the basics of MVC showing what is Model,View and Controller and how it worked and the speaker went into the details of the same. Building RESTful Applications with the Open Data Protocol - There were some concepts explained about this from the basics on how to build RESTful Services and it went on till some advanced configurations of the same. Developing Scalable Web Applications with AppFabric Caching - This session showed about the integration of AppFabric with the .Net Web Applications. Instead of using Inproc Sessions, we can use this AppFabric as a substitute for Caching and outofProc Session Storage without writing code and doing a little bit of configurations which brings in High Scalability, performance to our applications. (But unfortunately there were no demos for this session ) Deep Dive : WCF RIA Services - This session was also an interactive one, in this the speaker presented from the basics of WCF and took a Book Store Application as a sample and explained all details concepts on linking with RIA Services   Apart from these sessions, in between there happened some small events in the breaks like Some discussions about Technology, Innovations Music Jokes Mimicry, etc. And on doing all these things, the developers were given some kool gifts / goodies like USBs, T-Shirts, etc. And today I got a chance to do the following certification : (70-562) Microsoft Certified Technology Specialist in .NET 3.5 Web Applications Since I already have an MCTS in .NET 2.0, I wanted to do an MCPD and for doing the same I was required to do an update to my MCTS with the .NET 3.5 framework and I did the same I cleared it and now am an MCTS in .NET 3.5 Web Apps And on doing this I got a T-Shirt and they gave something called Learning $ of worth 30$. And in various stalls for attending each quiz or some game or some referrals we got some Learning $ which we can redeem later based on our Total Learning $. I got 105 $ which i was able to redeem and got a Microsoft Learning BagPack, 1 free Microsoft certification offer, a laptop light and an e-learning content activated. And after all these sessions and small events, we had something called Demo Extravaganza like I mentioned yesterday. This was a great funfilled event with lot of goodies for the attendees. There were some lucky draw which enabled 2 attendees to get Netbooks (Sponsored by Intel) and 1 attendee to get X-box (Sponsored by Citrix). After Choosing the raffle in the lucky draw they kept it on a device called Microsoft Surface which is a kind of big touch screen device and on putting the raffle on that it detected the code of the attendee and said intelligently how many sessions that person has attended and if he has attended more than 5 he got a Netbook and this was coded by a guy called Imran. Apart from they showed demos on : Research by 2 Tamilnadu students from Krishna Arts and Science college, taken 1200 photographs of their college from different angles and put that up in Bing maps using silverlight and linked with Photosynth, which showed a 3d view of their college based on the photos they uploaded Reasearch by Microsoft on Panaramic HD views of the images. One young guy from Microsoft Research showed a demo of this on Srivilliputhur Andal Temple, in Tamil Nadu and its history with a panoramic view of the temple and the near by places with narration of the historical information on the same and with the videos embedded in it with high definition images which we can zoom to a very detailed level. Some Demo on a business app with Silverlight, Business Intelligence (BI) and maps integrated. It showed the sales of a particular product across locations. Some kool demos by 2 geeks who used Robots to show their development talents. 2 Robots fought with each other 2 Robots danced in sync for the A.R. Rehman song Humma Humma... A dream home project by Raman. He is currently using the same in his home too. Robots are controlling his home currently. They showed a video on this. Here are the list of activities that Robot does for him When he reads a book, robot automatically scans that and shows that image of that person in the screen (TV or comp) in front of him. It shows a wikipedia about that person. It says that person is not in linked in. do you want to add him If he sees an IPL Match news in the book and smiles it understands he is interested in that and opens a website related to that and shows the current game and the scorecard. It cooks for him It cleans the room for him whenever he leaves the house when he is doing something if some intruder comes inside his house his computer automatically switches his screen showing the video of the person coming inside. When he wakes up it automatically opens up the system, loads his mails and the news by the side, etc. Some Demos on Microsoft Pivot. This was there in livelabs but it is now available in getpivot.com its a pivoting of the pictorial data based on some categories and filters on the searches that we do. And finally on filling up some feedback forms we got T-Shirts and Microsoft Visual Studio 2010 Training Kit CDs. Whats more on TechEd??? Stay tuned!!! Will update you soon on the other happenings!! PS : I typed a lot of content for more than a hour but I pressed a backspace and it went to the previous page and all my content were lost and I was not able to retrieve the same and I typed everything again.

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  • Open XML SDK 2 Released

    - by Tim Murphy
    Note: Cross posted from Coding The Document. Permalink This post is a little late since the SDK was released about a week ago.  At PSC we have been using the Open XML SDK 2 since its earliest beta.  It is a very powerful tool for generating documents without using the Office DLLs.  It is also the main technology that I have been working with for the last six months.  I would suggest giving it a try.  Stay tuned here.  In the near future I will be presenting at different locations on this and other document generation technologies. Download the Open XML SDK here. del.icio.us Tags: Office Open XML,Open XML SDK 2

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  • Notebook MSI GT640 - noisy fan - Ubuntu 11.10 x64

    - by pablo
    I have all time this issue when using Ubuntus, the fan (fans?) runs most off the time and between 60%~100% even in idle which is weird. The GPU temperatures are mostly around 80 degrees and I don't think it's right :( I always use Jupiter with power saving preset and add the line in linux default like this: quiet splash pcie_aspm=force i915.i915_enable_rc6=1 So it helps a little (fan just doesn't run all the time 100%...) What else can I do? The notebook spec is: Core i7-720 (8 threads) NVIDIA GTS250M So it's rather one of the first, not so silent and cold notebooks;), with Core i7 family and without optimus technology (as nvidia GPU is the only graphic card built-in) but anyway I don't have theese strange hot times in Windows 7.

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  • Reusing WCF Proxy to reduce Memory Usage

    - by Sudheer Kumar
    I am working on a program that uploads BLOB from DB to a Document Management System. I have a WCF service to interact with the DMS. I have a multi-threaded client program that uploads the BLOBs to DMS and every thread used to create and dispose a proxy instance for every record to update. When I have a large no of records to convert, I found that the tool’s memory foot print keeps increasing. After a little debugging I found that the WCF proxies are the culprits for excessive memory usage. I changed the program to re-use the proxies to the service, having one proxy per thread. So in some scenarios, it might be beneficial to re-use WCF proxies.

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  • Articles on TFS Build Server / MSBuild

    - by MartinWatts
    I have decided to write some articles on using a TFS Build Server. During the past few years I have had the responsibility and challange of keeping one running, and I found out that on some subjects, there is very little to find on the internet. So hopefully my experiences can help others. That is, before VS 2010 build server makes everything we have learnt on MSBuild so far redundant. ;) The first article is about selectively getting the sources you need to get the build done. You can find the article here.

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  • Setting Meta tags for a website

    - by Pankaj Upadhyay
    I have made an Asp.net MVC website and am not well versed about SEO techniques, so I want a little guidance in setting the appropriate meta tags for the website. My website is dynamic and has two types of Pages: Category and Product There are two tables in the database for Category and Product. Looking into the future, I added these fields beforehand to both the tables : -- MetaTitle--MetaDescription--MetaKeywords On both the Category and Product pages, these values are retrieved and set as following <meta name="description" content="@ViewBag.MetaDescription" /> <meta name="title" content="@ViewBag.MetaTitle" /> <meta name="keywords" content="@ViewBag.MetaKeywords" /> For better SEO how will you set up these meta tags. Will you include the site name in all three fields ? Right now, the Product page's MetaTitle, MetaDescription and MetaKeywords don't include the website name. If possible, can you provide me sample values that should be set for better SEO performance keeping the business name in mind.

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  • Is it worth being computer languages polyglot?

    - by Anton Barkowski
    You can often hear that programmers should learn many different languages to improve themselves. I still go to school and don't have big programming experience (a little more than year). But what was noble intention to improve programming skills turned into some kind of OCD: I feel that I won't calm down until I learn all relatively known programming languages. And here is question itself: Will being programming languages polyglot actually help you (And I don't mean usual "Programmer should know at least all paradigms", I mean really all languages you usually hear about)? Does anybody have similar experience? Does it help with job/skills/career? How often are you able to apply those skills?

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  • Bad FPS for smaller size (OpenGL ES with SDL)

    - by ber4444
    If you saw my other question, well, there is still a little problem: Click here to watch on youtube Basically, the frame rate is very bad on the actual device, where for some reason the animation is scaled (it looks like the left side on the video). It is quite fast on the simulator where it is not scaled (right side). For a test, I submitted this new changeset that hard-codes the smaller size (plus increases the point size for HII regions to make the dust clouds more visible), and as you see in the video, now it is slow even in the simulator (left side shows the small size, right side shows the original size -- otherwise the code is the same). I'm clueless why it's soooo slow with a smaller galaxy, in fact it should be FASTER. As for general speed optimization (which is not strictly part of my question but is closely related to it, esp. if we need a workaround to speed things up), some initial ideas: reducing the number of items drawn may affect the appearance negatively but screen resolution could be reduced there are too many glBegin(GL_POINTS)/glEnd() blocks, we could draw more than just a single star at once

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  • How do freelancers know how much their work is worth?

    - by Qmal
    I want to start a bit of freelancing in web development using ASP.NET MVC3 and PHP and I already have some people who are interested in hiring me, but I still can't figure out how much to charge for projects since I have never done it. For example how much would this site cost? Would it cost more if the author built it from scratch instead of using WordPress as the CMS? Or what about a simpler site like this? How much time spent is considered good/normal for building sites like these? And maybe some freelancers with experience can tell me what the usual requests are that they get from clients. What sites are the most in demand? I'm asking because I'm a student and I really can't work every day in a full-time job but I need the money so I guess a little freelancing would help me out.

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  • How to make the working environment of a programmer less shiny?

    - by Roflcoptr
    Last year I had a sport accident and since then my left eye is a little bit sensitive. Especially if looking in bright and shiny colors, I get tired very fast and can't literally focus on anything. White is the worst color ever! Unfortunately most application that I use in my work environment (Firefox, Eclipse, Visual Studio, Tetris) have a very bright white background. This really hurts my eye. So is there an easy way to generally use color schemes on the laptop so that everything isn't that bright? Obviously I could everywhere change the default color scheme, but isn't there a simpler solution to do that? Or any recommendations what are good color schemes to be less bright but still clearly readable?

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  • Hosted CMS - Based On Drupal [closed]

    - by Eddy Freeman
    I just want a little clarification concerning hosted CMS like shopify.com, solidshops.com (i learnt shopify runs on ruby on rails) so let me be specific about hosted CMS based on Drupal :: www.buzzr.com, www.drupalgardens.com and www.pagebuild.net etc.. What i want to know is 1) Do they use the Multi-Site feature in Drupal to automatically creates all those 1000's of sites they host when a user sign up? 2) Do they create those 1000's of sites as sub-sites(if you like let me say subdomains)? 3) Do they use a different way other than the Multi-Site in Drupal?

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  • Host And Expose Application to local small network

    - by tartak
    I developed a little application (web application) using JavaEE+MySql. I try to keep some data and .. from time to time to get some reports using my data. My problem is I have to access this application from 4-5 computers in the office. They are connected through a switch. It's a typical small office network, nothing fancy. I need some advice on how to do this. I mean for a small application with no external communication is it mandatory to use an Apache machine? I'd use a simple Tomcat container on the "server machine" (which is my computer, a windows machine) and .. basically .. I would like to permit the access to my colleagues also. I don't have any knowledge about concurrency (I know mysql permits concurrent access) so I would like some configuration tips also.

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  • How to show context menu when right-click released?

    - by Kev
    I'm using Ubuntu 10.04. When I right-click, menu popup too quickly, and the first menu item is clicked. If I right-click in desktop, it create a new folder sometime. If I right-click in terminal, it open a new terminal sometime. ... Is there some way to delay context menu? Or how can I offset context menu a little bit pixels to the right-bottom direction? (like firefox) Or how can I config Gnome to popup menu when right-mouse released? (like windows xp)

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  • Backward compatibility with event-sourcing

    - by Tomas Jansson
    How do you stay backward compatible with event-sourcing? Let say you release a version that has one kind of event, let call it X. You know how to handle that event in all the systems that extracts the events from the event source. In a later release you make a change to event X or delete it, how do you stay backward compatible with that? To have a fully functional system you need to be able to handle the old event as the same time as you need to handle the updated version. Or if you delete that event type, then you will be stuck with code that is only there to handle legacy events which in my head can be a little bit messy in the long run.

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  • Linux Learning curve for a 'Lifetime' windows user [closed]

    - by gary
    I am using windows for almost 8-10 years and have never worked on linux. Mostly i used to work in VB, VC++ MFC and little bit of .NET(C# and VB) so i didn't bother about Linux. But now when i got an opportunity to work with linux i dont want to miss it, here are my questions : Where can i find useful resources for Linux newbies? Which books/Tutorials will you suggest to start? Which distro shall i use? What was your experience while moving from Windows to Linux?

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  • What are some good practices when trying to teach declarative programming to imperative programmers?

    - by ChaosPandion
    I offered to do a little bit training in F# at my company and they seemed to show some interest. They are generally VB6 and C# programmers who don't follow programming with too much passion. That being said I feel like it is easier to write correct code when you think in a functional matter so they should definitely get some benefit out of it. Can anyone offer up some advice on how I should approach this? Ideas Don't focus on the syntax, instead focus on how this language and the idioms it promotes can be used. Try and think of examples that are a pain to write in an imperative fashion but translates to elegant code when written in a declarative fashion.

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  • Embarking on a website redevelopment and all developers pushing to move to ASP.NET 4.0

    - by Sue
    Our company is going through a website redevelopment / retooling exercise and we are not quite sure which direction to take. We are told that the website was built in ASP classic and that we should be moving to ASP.NET 4.0. Some developers refuse to do any work in the ASP classic framework citing the advantages of ASP.NET 4.0-- stability, compilation, language support. We are generally happy with our website as is. There are some kinks in the backend involving forms and there is little integration between the CRM of the website and any content management system. Does the move from ASP classic to ASP.NET 4.0 give major advantages to the integration between how content is created, and delivered to our customers?

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  • Abstract Data Type and Data Structure

    - by mark075
    It's quite difficult for me to understand these terms. I searched on google and read a little on Wikipedia but I'm still not sure. I've determined so far that: Abstract Data Type is a definition of new type, describes its properties and operations. Data Structure is an implementation of ADT. Many ADT can be implemented as the same Data Structure. If I think right, array as ADT means a collection of elements and as Data Structure, how it's stored in a memory. Stack is ADT with push, pop operations, but can we say about stack data structure if I mean I used stack implemented as an array in my algorithm? And why heap isn't ADT? It can be implemented as tree or an array.

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