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  • career advice for PhD scientist seeking to program?

    - by C SD
    I'm largely a self-taught programmer. In fact, I first started programming about half way through biophysics grad school, and even though I think I've done some pretty nice work, I've never worked as part of a 'serious' development team that had more than one or two other developers (and I wouldn't hesitate to call them equally inexperienced in software development as a profession). After finishing my PhD I applied to Google, on a lark, since I had some confidence in my abilities, if not necessarily my experience, and I was hoping to maybe slip in and absorb all the experience and talent I'd be surrounded with and become productive enough, quickly enough, that they wouldn't immediately regret their decision. I was excited to actually get invited to interview up at Mountain View (this was ~ mid 2008). Overall, my memory of the interview was very positive, but after close to a three month wait (is that normal?) they ended up turning me down. I wasn't too surprised or disappointed (aside from the uncomfortably long wait) given my unusual background and admitted lack of experience. I decided to continue as a postdoc, but focus on improving my skills rather than doing research. I've done about three years of that, and my honest assessment is that I've learned a ton more, but I really need more of a peer group to maintain or accelerate my growth. Google invited me to interview again about eight months ago, and the interview process went even better than the first time around (I thought), though they again declined to give me an offer. I have to admit this second rejection was much more discouraging. They had insisted I interview even after I mentioned to them that a move on my part was unlikely given that I had bought a house, gotten married, etc. since the first interview. I guess I was hoping they'd at least give me an offer that I could parlay into a more conventional, but still interesting, programming position close to home. So here I am, going on my third year out of grad school, a glorified postdoc and I'm starting to get pretty discouraged. Even though I could technically get 'back-on-track' for a career in science, I have been focusing the vast majority of this time on gaining programming experience rather than on research and publications. The problem is, whenever I look, most job listings have requirements that seem impossibly grandiose and I hesitate to apply. That, or the job/project seems incredibly dull. Ironically, applying to Google struck me as less intimidating. I suspect that either most people are just a lot less realistic than I am when it comes to assessing how long it will take for them to get up to speed, or they don't care; my fear is that I'm just woefully unqualified for any interesting, well paying work. IE: I'm confident I could switch fully back into C++ mode with a couple weeks work (I mostly use C,Python,C# daily) but I don't list myself as being 'proficient' in C++ on my CV, or applying for jobs that 'require' such knowledge. The few applications for which I did feel I was a legitimately good match have not elicited a response. I suspect the following things are potential problems with my application/CV and I would like feedback on: I don't have a CS degree. My BS was in biochemistry and molecular biology, my PhD in biophysics. I took a undergrad and grad level CS course at UCSD and completely killed them, but I don't know how to translate that to my CV effectively. I have a PhD, but it's not in CS... I've been debating if I should remove it from my CV, and wether or not it would then be misleading to list at least some of those years as some kind of 'programming' job (in many respects it was). I think there are sometimes strong stigmas associated with 'self-taught' programmers. I am certainly one of those. I even recognize that some of those stigmas hold a hint of truth, but I really do want to be an asset to a team. How do I communicate that even though I have been largely self-directing for ~8 years I can still take marching orders when needed? Do I just say so outright? Should I just become a lot less scrupulous about the whole process? anecdote: I have a friend who applied for positions where he completely fudged his qualifications to get past the first culling. He was much more honest and forthcoming about his actual qualifications when contacted and he still managed to get invited to a couple of interviews and even got some offers. His balls are larger than mine though.

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  • Naming a predicate: "precondition" or "precondition_is_met"?

    - by RexE
    In my web app framework, each page can have a precondition that needs to be satisfied before it can be displayed to the user. For example, if user 1 and user 2 are playing a back-and-forth role-playing game, user 2 needs to wait for user 1 to finish his turn before he can take his turn. Otherwise, the user is displayed a waiting page. This is implemented with a predicate: def precondition(self): return user_1.completed_turn The simplest name for this API is precondition, but this leads to code like if precondition(): ..., which is not really obvious. Seems to me like it is more accurate to call it precondition_is_met(), but not sure about that either. Is there a best practice for naming methods like this?

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  • What is the benefit of triple buffering?

    - by user782220
    I read everything written in a previous question. From what I understand in double buffering the program must wait until the finished drawing is copied or swapped before starting the next drawing. In triple buffering the program has two back buffers and can immediately start drawing in the one that is not involved in such copying. But with triple buffering if you're in a situation where you can take advantage of the third buffer doesn't that suggest that you are drawing frames faster than the monitor can refresh. So then you don't actually get a higher frame rate. So what is the benefit of triple buffering then?

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  • weblogs.asp.net! I am here now!

    - by kaushalparik27
    Hello all webloggers!! Finally after much wait I got my blog space approved here. I really want to thank moderators (specially Terry for mail follow up) helping me out creating my weblog here. I; usually; blog about things and situation that I come across while development or something on which I succeeded to have some study/reading. Till now, I was maintaining my blog here (which I am still going to maintain in future as well!). Wishing for the best and thanks all future readers!

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  • Session Mania: Content Catalog & Suggest-a-Session

    - by Justin Kestelyn
    As ably reported in the Oracle Technology Network blog, the Oracle Develop Conference's content catalog is now public (as are the catalogs for JavaOne and Oracle OpenWorld), meaning you can now explore technical sessions scheduled for the conf to your heart's content."But something's missing", you may tell yourself. "Where is my favorite subject, the one I happen to also be an expert on?" Well, there's good news for you, too: The Suggest-A-Session project has returned. It works thus: Submit a session idea via Oracle Mix and ask your colleagues, Oracle Mix community, friends and anyone else you know to vote for your session. (You must be an Oracle Mix member to vote.) Voting is open through June 20. For the most part, the top voted sessions will be selected for the Oracle Develop Conf (or Oracle OpenWorld) official agenda. See the FAQ for fine print.Apparently some people have already jumped into this loophole, including Oracle ACE Director Marco Gralike, who has "gone video" on us: Why wait? Suggest-a-session!

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  • Don&rsquo;t Miss &ldquo;Transform Field Service Delivery with Oracle Real-Time Scheduler&rdquo;

    - by ruth.donohue
    Field resources are an expensive element in the service equation. Maximizing the scheduling and routing of these resources is critical in reducing costs, increasing profitability, and improving the customer experience. Oracle Real-Time Scheduler creates cost-optimized plans and schedules for service technicians that increase operational efficiencies and improve margins. It enhances Oracle’s Siebel Field Service with real-time scheduling and dispatch capabilities that ensure service requests are allocated efficiently and service levels are honored. Join our live Webcast to learn how your organization can leverage Oracle Real-Time Scheduler to: Increase operational efficiency with real-time scheduling that enables field service technicians to handle more calls per day and reduce travel mileage Resolve issues faster with dynamic work flows that ensure you have the right technician with the right skill set for the right job Improve the customer experience with real-time planning that optimizes field technician routing, reduces customer wait times, and minimizes missed SLAs Date: Thursday, March 10, 2011 Time: 8:30 am PT / 11:30 am ET / 4:30 pm UK / 5:30 pm CET Click here to register now.   Technorati Tags: Siebel Field Service,Oracle Real-Time Scheduler

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  • How long can a user remember what they were working on? [migrated]

    - by GlenPeterson
    A web application lets the user browse its screens for future or past months. The time period the user is currently viewing follows the user through every screen of the system. But users can be logged in for a month or more. After a certain period of inactivity, we will prompt the user: You were viewing November 2008 when you last clicked. Want to view the current (default) time period instead? How long between user clicks should we wait to show this message? I'm guessing somewhere between 30 minutes and 3 hours most people will forget what they were doing, but I'd love to have some data, or someone's experience to base it on. Other suggestions related to this issue?

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  • What is 'work' in the Pomodoro Technique?

    - by Sachin Kainth
    I have just started to use Pomodoro today and I am trying to work out what I should and should not do during my 25 minute work time. For my 25 minute work stint I started to write some code and realised that I had done something similar in a related project so I opened that solution to copy and paste that existing code. Question is, is this allowed? Also, if during my 25 minutes I realise that there is an important work-related email that I need to send can I do that or should that wait for the next 25 minutes or the break. I am writing this question during my, now extended, 5 minute break. Is this work or is it a break? I really would appreciate some guidance as I really want to use Pomodoro to focus better on my work. Another thing that happened to me was that a Adobe AIR update alert came up on my desktop during the 25 minutes. Should I ignore such things until the break? Sachin

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  • Expression Studio 4 Launch on June 7th

    I cant wait til next week when Expression Studio 4 (Expression Blend, SketchFlow, Expression Web, Expression Design) will launch at the Internet Week conference in New York City on June 7th! I wish I could go, I grew up in NY and still call it home, but there will be a lot of great people there including Blenders: Adam Kinney Arturo Toledo Bill Buxton Christian Schormann Pete Blois Weve shown some of the new features off on Silverlight TV but we have even more to share! Here are...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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  • The future is looking brighter &ndash; debugging Windows Azure in the cloud with IntelliTrace

    - by Eric Nelson
    One of the “warts” on Windows Azure development has been that once your application was deployed to the cloud, if things went wrong it was pretty tough to figure out the root problem. I knew for sometime we had a solution coming for Visual Studio 2010 users and I couldn’t wait to tell folks about it once it became public. I planned to do a detailed post subsequent to briefly mentioning it when I talked about the 1.2 SDK release. However … other stuff just keeps on getting in the way. Hence I have decided to point at Somas blog post on just that. Enjoy. Check out Peering into the cloud with IntelliTrace  NB: You will need the Ultimate Edition of Visual Studio 2010 to use this feature. Sorry.

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  • New Enhanced Visual WebGui WINWEB and .NETHTML5 Versions

    - by Webgui
    After a long wait and huge anticipation from the Visual WebGui community, I am happy to announce the release of new versions for the WINWEB and .NETHTML5 branches. The new 6.4.0 Release d and 6.4.0 beta3 versions are available after an extensive work on core capabilities of Visual WebGui including extension of existing controls and adding new controls such as Strip Controls, RibbonBar, DataGridView, ComboBox, PropertyGrid and RadioButton, DataGridView, ComboBox, PropertyGrid and RadioButton, as well as some major enhancements to both versions in terms of cross-browser support and performance.We apologize for the delay in the release of those most expected versions, but we believe that the extra time lead to a more mature and complete product. As you can see the changelog is pretty long and includes a list of enhancements, new features and bug fixes: http://visualwebgui.com/Developers/KB/tabid/654/article/w_changelogs/Default.aspx The new versions are available for all versions with open source and for The new versions are available for all versions with open sources for Visual Studio 2005, 2008 and 2010. You are welcome to download the WINWEB Free Trial and the Free .NETHTML5 beta on the downloads page.

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  • Motorola India meets Mayan calender dead line – earlier than predicted

    - by Boonei
    My favorite cell phone maker Moto is closing it doors in India. Plan is to  have their service shops open. If you still want to grab the last living decendent of the phone in India there is good news “would continue to sell its phones till stocks are exhausted while service centers would continue to function”. Ya !  lock up in your safe, wait 20 years, then sell this antique for a fortune. There is will be staff cut and Moto promised to help employees at these difficult times. India is one of the most sort out market for mobile makers, what is running in Googles mind ? May be world is falling apart like Mayans predicted ?    

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  • Why does this static field always get initialized over-eagerly?

    - by TheSilverBullet
    I am looking at this excellent article from Jon Skeet. While executing the demo code, Jon Skeet says that we can expect three different kinds of behaviours. To quote that article: The runtime could decide to run the type initializer on loading the assembly to start with... Or perhaps it will run it when the static method is first run... Or even wait until the field is first accessed... When I try this out (on framework 4), I always get the first result. That is, the static method is initialized before the assembly is loaded. I have tried running this multiple times and get the same result. (I tried both the debug and release versions) Why is this so? Am I missing something?

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  • XBMC freezes pc after viewing movies

    - by Eric
    Tough to replicate, but basically after watching any movie in my library on XBMC, it'll randomly start freezing my pc. All I can do is either force shutdown by holding down the power button or wait for it to shut itself down. It's not any particular movie, it's not any particular amount of time watching one. It only happens while using XBMC. PC is older, I know the hardware is outdated, but it's not overheating nor is a simple movie too much for it to play, at least I don't think it is. Specs: Intel Core 2 6400. nVidia Quardro FX 560 4GB RAM So any suggestions? I don't have any bug/error reports because it doesn't print out any. I'm trying to find a program like XBMC, as I like having my movies organized and not have to hunt through folders to find them, so any suggestions there?

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  • Asynchronous update design/interaction patterns

    - by Andy Waite
    These days many apps support asynchronous updates. For example, if you're looking at a list of widgets and you delete one of them then rather than wait for the roundtrip to the server, the app can hide the one you deleted, giving immediate feedback. The actual deletion on the server will happen in the background. This can be seen in web apps, desktop apps, iOS apps, etc. But what about when the background operation fails. How should you feed back to the user? Should you restore the UI to the pre-deletion state? What about when multiple background operations fail together? Does this behaviour/pattern have a name? Perhaps something based on the Command pattern?

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  • WP7&ndash;Samsung Owners Should Hold Off on the Update

    - by D'Arcy Lussier
    Microsoft released an update for WP7 that’s meant to improve updating the devices going forward. They’ve identified a glitch though, specifically with Samsung phones. From Winrumors: A number of Windows Phone 7 users applied the patch on Monday and some Samsung Omnia owners devices have been left in a “bricked” state. Devices simply instruct users to connect them to a PC, hard resetting the device or connecting it to a PC does not appear to solve the issue. Microsoft has also been advising users with broken devices to return them to stores for exchange. The scary thing about this is the resolution: return the “broken” devices to stores for exchange. Many Samsung Focus owners in Canada purchased unlocked phones from the US, and supposedly that act alone voided the warranty. So applying the update has very dire implications for those who might be left with a very pretty brick. I’m going to wait until there are successful installs of the patched update before going ahead with it on my device.

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  • How can I install the latest version of libmtp?

    - by coversnail
    In the latest version of the libmtp library there are fixes for my Android device so I would like to install the latest version I'm just not sure how! I would assume that this would pushed into the official repositories at some point, so the smart advice would probably be just to wait, but I would like to know how to do this myself if anyone could tell me. I'm currently using Ubuntu 12.04 and am running libmtp-1.1.2, the latest version (libmtp-1.1.3) has recently been released and the tar.gz file is downloadable from this direct link: http://downloads.sourceforge.net/project/libmtp/libmtp/1.1.3/libmtp-1.1.3.tar.gz How do I install this? Thanks for any help.

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  • T-SQL Tuesday #007 and T-SQL Tuesday Has a Logo

    - by Adam Machanic
    This month’s T-SQL Tuesday is hosted by Jorge Segarra, the “SQL Chicken.” The topic is rather open ended: What is your favorite new(ish) SQL Server feature? Love the DACPAC? Can’t wait for PDW? Post about it and tell us why! In other T-SQL Tuesday news, we now have a logo. Those of you who are participating in the event, take notice; the rules have changed. Now that we have a logo we’re simplifying the linkback and subject guidelines a bit. Henceforth you can title your post however you want. It...(read more)

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  • Thread.Interrupt Is Evil

    - by Alois Kraus
    Recently I have found an interesting issue with Thread.Interrupt during application shutdown. Some application was crashing once a week and we had not really a clue what was the issue. Since it happened not very often it was left as is until we have got some memory dumps during the crash. A memory dump usually means WindDbg which I really like to use (I know I am one of the very few fans of it).  After a quick analysis I did find that the main thread already had exited and the thread with the crash was stuck in a Monitor.Wait. Strange Indeed. Running the application a few thousand times under the debugger would potentially not have shown me what the reason was so I decided to what I call constructive debugging. I did create a simple Console application project and try to simulate the exact circumstances when the crash did happen from the information I have via memory dump and source code reading. The thread that was  crashing was actually MS code from an old version of the Microsoft Caching Application Block. From reading the code I could conclude that the main thread did call the Dispose method on the CacheManger class which did call Thread.Interrupt on the cache scavenger thread which was just waiting for work to do. My first version of the repro looked like this   static void Main(string[] args) { Thread t = new Thread(ThreadFunc) { IsBackground = true, Name = "Test Thread" }; t.Start(); Console.WriteLine("Interrupt Thread"); t.Interrupt(); } static void ThreadFunc() { while (true) { object value = Dequeue(); // block until unblocked or awaken via ThreadInterruptedException } } static object WaitObject = new object(); static object Dequeue() { object lret = "got value"; try { lock (WaitObject) { } } catch (ThreadInterruptedException) { Console.WriteLine("Got ThreadInterruptException"); lret = null; } return lret; } I do start a background thread and call Thread.Interrupt on it and then directly let the application terminate. The thread in the meantime does plenty of Monitor.Enter/Leave calls to simulate work on it. This first version did not crash. So I need to dig deeper. From the memory dump I did know that the finalizer thread was doing just some critical finalizers which were closing file handles. Ok lets add some long running finalizers to the sample. class FinalizableObject : CriticalFinalizerObject { ~FinalizableObject() { Console.WriteLine("Hi we are waiting to finalize now and block the finalizer thread for 5s."); Thread.Sleep(5000); } } class Program { static void Main(string[] args) { FinalizableObject fin = new FinalizableObject(); Thread t = new Thread(ThreadFunc) { IsBackground = true, Name = "Test Thread" }; t.Start(); Console.WriteLine("Interrupt Thread"); t.Interrupt(); GC.KeepAlive(fin); // prevent finalizing it too early // After leaving main the other thread is woken up via Thread.Abort // while we are finalizing. This causes a stackoverflow in the CLR ThreadAbortException handling at this time. } With this changed Main method and a blocking critical finalizer I did get my crash just like the real application. The funny thing is that this is actually a CLR bug. When the main method is left the CLR does suspend all threads except the finalizer thread and declares all objects as garbage. After the normal finalizers were called the critical finalizers are executed to e.g. free OS handles (usually). Remember that I did call Thread.Interrupt as one of the last methods in the Main method. The Interrupt method is actually asynchronous and does wake a thread up and throws a ThreadInterruptedException only once unlike Thread.Abort which does rethrow the exception when an exception handling clause is left. It seems that the CLR does not expect that a frozen thread does wake up again while the critical finalizers are executed. While trying to raise a ThreadInterrupedException the CLR goes down with an stack overflow. Ups not so nice. Why has this nobody noticed for years is my next question. As it turned out this error does only happen on the CLR for .NET 4.0 (x86 and x64). It does not show up in earlier or later versions of the CLR. I have reported this issue on connect here but so far it was not confirmed as a CLR bug. But I would be surprised if my console application was to blame for a stack overflow in my test thread in a Monitor.Wait call. What is the moral of this story? Thread.Abort is evil but Thread.Interrupt is too. It is so evil that even the CLR of .NET 4.0 contains a race condition during the CLR shutdown. When the CLR gurus can get it wrong the chances are high that you get it wrong too when you use this constructs. If you do not believe me see what Patrick Smacchia does blog about Thread.Abort and List.Sort. Not only the CLR creators can get it wrong. The BCL writers do sometimes have a hard time with correct exception handling as well. If you do tell me that you use Thread.Abort frequently and never had problems with it I do suspect that you do not have looked deep enough into your application to find such sporadic errors.

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  • Ubuntu 12.10 over Ubuntu 11.10 seems to hang

    - by Angela Trapp
    My installation of Ubuntu 12.10 over Ubuntu 11.10 seems to hang on "saving installed packages". How long should I wait before knowing for sure that something is wrong? I stopped it once and tried re-installing but am getting the same results. I'm installing from a USB stick. I'm connected to the internet using a wired connection but I'm reading here to connect to a wi-fi network while installing. Could this possibly be the issue? I can't install using wi-fi at the moment as my router was fried in a brownout yesterday. I've ordered another router online so as soon as it gets in, I'll try again. Any suggestions are appreciated! Please let me know if you need more information. It's a 32-bit installation and I have 1 GB of memory. Thanks!

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  • Moving from one DNS provider to another

    - by Senthil Kumaran
    I had registered with a particular DNS provider X and I have been unhappy with their services and now when the time for renewal came, I did not renew and I let it expire. I am hoping that once it is expired from this provider, I would be able to sign up for the same domain name from an alternative provider which I have tested and I am satisfied. What kind of precautions should I take? The domain name is not a critical one, it is of a NGO and we prefer to own it again without any change in the name. The information given by the expiry notice says Domains can be renewed between 90 days before and 14 days after the expiry date. If domains are not renewed they will be removed from the account and set for deletion. Should I wait for time till gets deleted at their end so that I can sign up for the same from another provider?

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  • C#4: Why does this static field always get initialized over-eagerly?

    - by TheSilverBullet
    I am looking at this excellent article from Jon Skeet at this location: http://csharpindepth.com/Articles/General/Beforefieldinit.aspx While executing the demo code, Jon Skeet says that we can expect three different kinds of behaviours. To quote that article: The runtime could decide to run the type initializer on loading the assembly to start with... Or perhaps it will run it when the static method is first run... Or even wait until the field is first accessed... When I try this out (on framework 4), I always get the first result. That is, the static method is initialized before the assembly is loaded. I have tried running this multiple times and get the same result. (I tried both the debug and release versions) Why is this so? Am I missing something?

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  • When Googlebot sees a link, will it click it or navigate to it?

    - by FakeRainBrigand
    My site uses pushState and JSON data to display content. So, for example, this might appear on my page: <a href="/some/page">some page</a> The JavaScript then prevents the default action (following the link), and instead renders a view (using a different api, such as /getjson?some_page). $('[href]').click(function(){ history.pushState(...); handleURL(...); }); Assume my server will respond to requests at /some/page with a pre-rendered version. My questions are: will Googlebot receive the prerendered version, or allow JavaScript to instead invoke pushState, etc. if it doesn't make the direct request, will it wait for AJAX content to be loaded? does Googlebot implement pushState, so it will show the proper URL in search results?

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  • An alternative way to request read reciepts

    - by lavanyadeepak
    An alternative way to request read reciepts Sometime or other we use messaging namespaces like System.Net.Mail or System.Web.Mail to send emails from our applications. When we would need to include headers to request delivery or return reciepts (often called as Message Disposition Notifications) we lock ourselves to the limitation that not all email servers/email clients can satisfy this. We can enhance this border a little now, thanks to a new innovation I discovered from Gawab. It embeds a small invisible image of 1x1 dimension and the image source reads as recieptimg.php?id=2323425324. When this image is requested by the web browser or email client, the serverside handler does a smart mapping based on the ID to indicate that the message was read. We call them as 'Web Bugs'. But wait it is not a fool proof solution since spammers misuse this technique to confirm activeness of an email address and most of the email clients suppress inline images for security reasons. I just thought anyway would share this observation for the benefit of others.

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  • SAP acquires Sybase

    - by ashutossh.pewekar
    The news of the Sybase acquisition broke yesterday. The questions that immediately come to mind is " Why?" and "Isnt this too expensive ?" One out-of-the-box explanation for this marriage is simply " History repeats itself" It is more than a decade now that another German company acquired an American industry laggard. I am speaking of the Daimler-Chysler merger. It took a decade for the results of that partnership to unfold. Do things move faster in the IT industry? We will wait and watch.

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