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  • My History with Agile

    - by Robert May
    I’m going to write my history with Agile here.  That way, in future posts, I can refer back to it, instead of typing it out in the post that contains information you may actually want to read.  Note that I’m actually a pretty senior developer, and do lots of technical interviews.  I’m an Agile fan because of the difference it makes in peoples lives and the improvement in quality it brings, and I’ll sacrifice my technological advance to help teams. Management History I started management pretty early in my career, starting with the first job that I ever had.  I actually do NOT have a CS or similar degree.  I have a Bachelor’s of Business Administration with an emphasis in Computer Information Systems. My first management gigs were around call center work and were very schedule oriented.  I didn’t understand the true value of teams, and I’m ashamed to admit, I actually installed a fingerprint scanner as a time clock in this job.  I shudder to think of the impact that I had on the team spirit.  I didn’t even trust them enough to fill out their time cards correctly.  How sad. I was managing nearly 100 people in this position, with the help of a great set of subordinates. I did try to come up with reward programs for the team, but again, didn’t understand the concept of team, so instead of letting the team determine how the rewards should work, I mandated from on high, which isn’t a good thing. I was told that I wasn’t the type that would be a good manager by people whom I respected a lot.  They said it because I was a computer geek, since they don’t understand good management either, but in retrospect, they were right about me then.  I was too green. After my first job, I went on to other jobs and with the exception of one job, I’ve managed people at them all.  The rest of the management story is important for understanding agile, so I’ll save it for my next post. Technical History I’ve been in software development for many, many years.  I technically started programming on a commodore 64 in basic.  I didn’t know that I was programming, but I was sure having fun.  That was followed by batch files, Gorilla hacking (I always had to win), WordPerfect Macro programming and other things that taught me the basics. My first “real” job was with a telephone company, and that’s where I made my first database application in DataEase, wrote my first VBA app and started using real programming tools, like turbo pascal, vb3-vb5, and semi-real tools like RPG and VisualRPG.  I wrote my first web page in 1994, and built my first data driven web page in 1995 using perlDB.  You really can do anything with Perl.  At this time, I also started a Linux based internet service provider that is still in operation today.  One of the people I worked with is now a Microsoft employee building and designing frameworks you probably know well.  Smart guy.  I also built my first ASP applications connecting to Sql Server 6.5, setup Exchange 5.5 for the company, and many other system administration stuff.  I’m a programmer by choice, mostly because I don’t really like PC support. From there, I went on to a large state agency.  I got to see and maintain true waterfall projects.  5 years of maintaining the 200 VB COM+ (MTS, actually) dlls that were used to calculate a single number is a long time.  That was all Microsoft DNS technologies.  SQL Server and VB6 were the tools of choice, although .net started to be a factor near the end of employment.  I did some heavy XML work at this job and even wrote an XSD parser and validator in VB6 that was a shim until MSXML 3.0 came out.  Prior to 3.0, XSD’s weren’t supported, and I didn’t want to write DTDs. Ironically, jobs after this were more generic.  I pretty much settled in on the .net framework and revisions of it.  Lots of WPF, some silverlight, lots of ASP.NET, some SQL Azure, lots of SQL Server, some Oracle, but I don’t think that I was as passionate about development and technologies.  I was more into the management of development.  I like people. Technorati Tags: Agile,history

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  • Would you go by WPF or WinForms? [on hold]

    - by Lorem Ipsum
    Consider the following project facts/requirements: Desktop app with try icon and notification system Forms over data Quick response needed Internal app in big corporation planned to be hosted on Windows Vista, later maybe Windows 8.x Operating system slowed down by many group policies (frequently changing GPO) No special graphic requirements So, would you go by WPF or WinForms? Edit: Please bear in mind the facts/requirements I mentioned above. The application will run on corporate machines which are very slow and without really good graphical acceleration. The crucial is to have really quick response and start time.

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  • Homebrew LEGO CD Duplicator Copies CDs On The Cheap

    - by Jason Fitzpatrick
    If you’d like to bulk copy CDs/DVDs without the sticker shock of a $500+ commercial duplicator, this DIY LEGO duplicator is a homebrew solution. Paul Rea wanted to rip and copy CDs and DVDs without shelling out for a commercial duplicator and without the hassle of being bound to that commercial duplicator’s propriety software. His homebrew solution–a combination of LEGO, a rotating base, an Arduino controller, and little ingenuity–handles his ripping and copying needs with ease. Watch the video above to see it in action then hit up the link below for the build log and Arduino code. CD Duplicator [PaulRea.net via Make] HTG Explains: Understanding Routers, Switches, and Network Hardware How to Use Offline Files in Windows to Cache Your Networked Files Offline How to See What Web Sites Your Computer is Secretly Connecting To

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  • Why should I consider using the Source Engine?

    - by dukeofgaming
    I've always been a Valve fan, but now that I have the opportuninty to choose a game engine for a project I'm not sure I want to choose the Source Engine after watching this wikipedia entry. My options essentially boiled down to an open source stack (Horde3D + Zoidcom + Spark + SFML + CEGUI, and well, not OSS but PhysX too), UDK and the Source Engine. My question is (because I really have no experience with it) what would be the technical reasons (not license or other) for any developer to choose the Source Engine over any other open source or commercial option ?, is the Source Engine really worth it as a game development tool or has it time already passed and it is obsolete against other solutions?. Thanks Edit: Precised my question a little more , I'm looking for technical reasons to choose the Source Engine.

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  • Can't connect to wifi after 13.10 update - Qualcomm Atheros AR93xx Wireless Network Adapter [168c:0030] (rev 01)

    - by user1952119
    I updated Ubuntu to 13.10 last night and wifi was working fine until I went to wake up my computer this morning and no WiFi connection. I am on a iMac with Qualcomm Atheros AR93xx Wireless Network Adapter [168c:0030] (rev 01). The only solutions I have seen so far are for broadcomm WiFi drivers. There is no wifi driver in addition drivers only graphics drivers. Not sure how to fix this, Any help would be greatly appreciated. UPDATE: WiFi works after reboot but doesn't after being put to sleep nor does Ethernet connect after sleep.

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  • Enable remote VNC from the commandline?

    - by Stefan Lasiewski
    I have one computer running Ubuntu 10.04, and is running Vino, the default VNC server. I have a second Windows box which is running a VNC client, but does not have any X11 capabilities. I am ssh'd into the Ubuntu host from the Windows host, but I forgot to enable VNC access on the Ubuntu host. On the Ubuntu host, is there a way for me to enable VNC connections from the Ubuntu commandline? Update: As @koanhead says below, there is no man page for vino (e.g. man -k vino and info vino return nothing), and vino --help doesn't show any help).

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  • Umbraco Bingo

    - by Vizioz Limited
    This year's Umbraco Code Garden Conference ( Festival ) was excellent, it was great to see so many familiar faces again, to see some inspiring talks and to enjoy the local beverages!It has become a bit of a tradition at Umbraco conference's to host a Bingo game where the prizes are various Umbraco branded accessories, only a true Umbracoholic would want ;-)This year, the luck gods were shinning down on me and I won the "grand prize" delivered by a "motorcycle courier" as it was such a large present... at least, that was the build up to finding out what it was! So everyone including myself were thinking, if this is that big, how on earth will I get it on the plane home!Luckily, it was actually easy to fit in the luggage, as you will see below :)

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  • Visual Studio 2012 - Express vs Professional

    - by Dan
    I'm having trouble finding a feature comparison between Visual Studio 2012 express edition and the professional edition. I'm using the trial Profession version at the moment, but it'll run out soon, so I need to make a decision whether to purchase the full version. Obviously I can just try both initially and see if the express edition is suitable, but the problem is that there are that many features in Visual Studio, there might be a really useful feature that was missing in the standard edition that I didn't even know existed! Or I didn't spot was missing until later down the line. I could really do with a feature comparison list like the one for all non-express editions here. It's a shame that page doesn't include the express edition. (as a side note, there doesn't seem to be a visual-studio-2012 tag, so I had to just use visual-studio. Could someone with enough rep to create tags add a visual-studio-2012 tag?)

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  • Specifying a file name for the FTP and File based transports in OSB

    - by [email protected]
    A common question I receive is how to incorporate a variable value into a file name when using the FTP, SFTP, or File transports in Oracle Service Bus.  For example, if one of the fields in a message being put down to a file by the File transport is an order number variable, then how can you make the order number become part of the file name?  Another example might be if you want to specify the date in the file name.  The transport configuration wizard in OSB does not have an option to allow for this, other than allowing you to specify a static prefix of suffix variable.

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  • Blue screen of death while installing any Adobe Air application

    - by Gaurav Sharma
    Whenever I try to install an Air application I get a Blue Screen and then my system restarts. I cannot even take a screenshot of it. This happens with every air application I try to install. I also searched for the same on Adobe forums and found the same problem being faced by someone else. His problem was resolved by uninstalling a software named "Folder Lock". I searched my hard disk for this software and found one, so I deleted that software (shift+delete) and removed all it's traces from registry too but that still doesn't solved the problem. I also tried disabling the antivirus software and then install the air application but this also didn't helped. Here is the screenshot of the BSOD. I was able to install air applications earlier, but now I can't. Anybody having same sort of problem. One colleague of mine is also having the same problem. Please help me out. My system's config is as follows: Windows XP Home sp3 Flash Builder 4, with SDK 4.1, 3.5 installed in it. Adobe Air v 2.5 1.5 GB RAM 1.66 MHz processor Thanks

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  • Could not continue scan with NOLOCK due to data movement during installation

    - by dbdev1
    Hi, I am running Windows Server 2008 Standard Edition R2 x64 and I installed SQL Server 2008 Developer Edition. All of the preliminary checks run fine (Apart from a warning about Windows Firewall and opening ports which is unrelated to this and shouldn't be an issue - I can open those ports). Half way through the actual installation, I get a popup with this error: Could not continue scan with NOLOCK due to data movement. The installation still runs to completion when I press ok. However, at the end, it states that the following services "failed": database engine services sql server replication full-text search reporting services How do I know if this actually means that anything from my installation (which is on a clean Windows Server setup - nothing else on there, no previous SQL Servers, no upgrades, etc) is missing? I know from my programming experience that locks are for concurrency control and the Microsoft help on this issue points to changing my query's lock/transactions in a certain way to fix the issue. But I am not touching any queries? Also, now that I have installed the app, when I login, I keep getting this message: TITLE: Connect to Server Cannot connect to MSSQLSERVER. ADDITIONAL INFORMATION: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 67) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=67&LinkId=20476 BUTTONS: OK I went into the Configuration Manager and enabled named pipes and restarted the service (this is something I have done before as this message is common and not serious). I have disabled Windows Firewall temporarily. I have checked the instance name against the error logs. Please advise on both of these errors. I think these two errors are related. Thanks

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  • Why should I consider using the Source Engine?

    - by dukeofgaming
    I've always been a Valve fan, but now that I have the opportuninty to choose a game engine for a project I'm not sure I want to choose the Source Engine after watching this wikipedia entry. My options essentially boiled down to an open source stack (Horde3D + Zoidcom + Spark + SFML + CEGUI, and well, not OSS but PhysX too), UDK and the Source Engine. My question is (because I really have no experience with it) why should any developer choose the Source Engine over any other open source or commercial option?, is the Source Engine really worth it as a game development tool or has it time already passed and it is obsolete against other solutions?. Thanks

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  • 24 DIY Softbox Designs for Cheap and Flexible Photography Lighting [DIY]

    - by Jason Fitzpatrick
    If you’re looking for just the right softbox for your budget and photography needs this collection of 24 great softbox designs is bound to have the perfect fit. At DIY Photography they hosted a DIY softbox contest. Out of the 70 entries they culled it down to the top 24 designs and rounded up the photo tours and build guides for you to browse. You can build the foamcore and CFL model seen in the photo above by following the build guide here. Hit up the link below to check out all the other designs that range from full body softboxes to on-camera softboxes. How To Build 24 DIY Softboxes [DIY Photography via Make] HTG Explains: Photography with Film-Based CamerasHow to Clean Your Dirty Smartphone (Without Breaking Something)What is a Histogram, and How Can I Use it to Improve My Photos?

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  • Maximize Your Quadcopter’s Range with a Wi-Fi Repeater

    - by Jason Fitzpatrick
    The majority of commercial quadcopters use Wi-Fi for remote control and suffer from a fairly limited range. This simple hack uses an Wi-Fi router as an extender to radically expand the range of your copter. There’s no heavy modification or code tweaking required, all you need is a power source for the router and the ability to set it up as a repeater. The extra signal boost provided by the repeater extends the range from an average of 50 meters to over 250 meters. Check out the video above to see it in action. If you’re looking for a more dependable but more labor intensive way to extend the range of your copter, you can also retrofit it with a traditional radio-controlled remote. [via Hack A Day] HTG Explains: Is UPnP a Security Risk? How to Monitor and Control Your Children’s Computer Usage on Windows 8 What Happened to Solitaire and Minesweeper in Windows 8?

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  • An Alphabet of Eponymous Aphorisms, Programming Paradigms, Software Sayings, Annoying Alliteration

    - by Brian Schroer
    Malcolm Anderson blogged about “Einstein’s Razor” yesterday, which reminded me of my favorite software development “law”, the name of which I can never remember. It took much Wikipedia-ing to find it (Hofstadter’s Law – see below), but along the way I compiled the following list: Amara’s Law: We tend to overestimate the effect of a technology in the short run and underestimate the effect in the long run. Brook’s Law: Adding manpower to a late software project makes it later. Clarke’s Third Law: Any sufficiently advanced technology is indistinguishable from magic. Law of Demeter: Each unit should only talk to its friends; don't talk to strangers. Einstein’s Razor: “Make things as simple as possible, but not simpler” is the popular paraphrase, but what he actually said was “It can scarcely be denied that the supreme goal of all theory is to make the irreducible basic elements as simple and as few as possible without having to surrender the adequate representation of a single datum of experience”, an overly complicated quote which is an obvious violation of Einstein’s Razor. (You can tell by looking at a picture of Einstein that the dude was hardly an expert on razors or other grooming apparati.) Finagle's Law of Dynamic Negatives: Anything that can go wrong, will—at the worst possible moment. - O'Toole's Corollary: The perversity of the Universe tends towards a maximum. Greenspun's Tenth Rule: Any sufficiently complicated C or Fortran program contains an ad hoc, informally-specified, bug-ridden, slow implementation of half of Common Lisp. (Morris’s Corollary: “…including Common Lisp”) Hofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law. Issawi’s Omelet Analogy: One cannot make an omelet without breaking eggs - but it is amazing how many eggs one can break without making a decent omelet. Jackson’s Rules of Optimization: Rule 1: Don't do it. Rule 2 (for experts only): Don't do it yet. Kaner’s Caveat: A program which perfectly meets a lousy specification is a lousy program. Liskov Substitution Principle (paraphrased): Functions that use pointers or references to base classes must be able to use objects of derived classes without knowing it Mason’s Maxim: Since human beings themselves are not fully debugged yet, there will be bugs in your code no matter what you do. Nils-Peter Nelson’s Nil I/O Rule: The fastest I/O is no I/O.    Occam's Razor: The simplest explanation is usually the correct one. Parkinson’s Law: Work expands so as to fill the time available for its completion. Quentin Tarantino’s Pie Principle: “…you want to go home have a drink and go and eat pie and talk about it.” (OK, he was talking about movies, not software, but I couldn’t find a “Q” quote about software. And wouldn’t it be cool to write a program so great that the users want to eat pie and talk about it?) Raymond’s Rule: Computer science education cannot make anybody an expert programmer any more than studying brushes and pigment can make somebody an expert painter.  Sowa's Law of Standards: Whenever a major organization develops a new system as an official standard for X, the primary result is the widespread adoption of some simpler system as a de facto standard for X. Turing’s Tenet: We shall do a much better programming job, provided we approach the task with a full appreciation of its tremendous difficulty, provided that we respect the intrinsic limitations of the human mind and approach the task as very humble programmers.  Udi Dahan’s Race Condition Rule: If you think you have a race condition, you don’t understand the domain well enough. These rules didn’t exist in the age of paper, there is no reason for them to exist in the age of computers. When you have race conditions, go back to the business and find out actual rules. Van Vleck’s Kvetching: We know about as much about software quality problems as they knew about the Black Plague in the 1600s. We've seen the victims' agonies and helped burn the corpses. We don't know what causes it; we don't really know if there is only one disease. We just suffer -- and keep pouring our sewage into our water supply. Wheeler’s Law: All problems in computer science can be solved by another level of indirection... Except for the problem of too many layers of indirection. Wheeler also said “Compatibility means deliberately repeating other people's mistakes.”. The Wrong Road Rule of Mr. X (anonymous): No matter how far down the wrong road you've gone, turn back. Yourdon’s Rule of Two Feet: If you think your management doesn't know what it's doing or that your organisation turns out low-quality software crap that embarrasses you, then leave. Zawinski's Law of Software Envelopment: Every program attempts to expand until it can read mail. Zawinski is also responsible for “Some people, when confronted with a problem, think 'I know, I'll use regular expressions.' Now they have two problems.” He once commented about X Windows widget toolkits: “Using these toolkits is like trying to make a bookshelf out of mashed potatoes.”

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  • Inside the JCP (Java Community Process)

    - by Tori Wieldt
    There has been lots of interest lately in the Java Community Process (JCP) and how it works. Here are two great chances to learn about the JCP, both are interviews with Patrick Curran, Chair of the JCP and director of the JCP's Program Management Office: Video InterviewGet an insider view of the Java Community Process (JCP) in this Oracle Technology Network (OTN) TechCast. (See below or click here.) Justin Kestelyn, Oracle Technical Network Senior Director, sits down to have a beer with Patrick Curran and discuss the JCP. They start with the basics of what is the JCP, then describe how its governance model has evolved, addressing common misperceptions, and explain how and why developers around the world can get involved.Written Interview Janice J. Heiss interviews Patrick Curran to get his perspective on recent developments at the JCP, ongoing concerns and controversies, its history -- and its future in this article titled "The Latest on the Java Community Process: A Conversation wiht Patrick Curran."The home of the JCP is jcp.org.

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  • Inspiring problems to show off the importance of regular expressions?

    - by ragu.pattabi
    I am planning to give a presentation/demonstration on regular expressions at work to encourage young developers to add this powerful and important tool in their toolbox. Just teaching syntax doesn't cut it. I often see people say nice. After the presentation, they get on with their programming lives without ever thinking of using it mostly. I am raking my grey matter to come up with some solid examples, not just problems that matches 'cat' and 'cut'. I missed to note down the occasions of my regex enlightenments to use here. :^( Do you have some inspiring problems to share that could be solved with regex?

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  • Jetty - 401 Unauthorized when using basic authentication

    - by JP.
    I am running SOLR on jetty in Ubuntu (a bitnami VM, if that helps) and am trying to lock down access to both the admin pages and the update/delete/etc. pages using basic authentication. When I attempt to connect to the admin console via a web browser I am prompted for a user name and password, but the username and password I use simply does not work. For test purposes I am using foo:bar as the credentials, but I receive a '401 Unauthorized' response. I see the following in my request log. 127.0.0.1 - - [10/Nov/2013:05:35:46 +0000] "GET /solr/ HTTP/1.1" 401 1376 Am I doing something wrong and/or is there anything obviously incorrect with the below configuration? Any help is greatly appreciated. Jetty.xml <Call name="addBean"> <Arg> <New class="org.eclipse.jetty.security.HashLoginService"> <Set name="name">solr</Set> <Set name="config"><SystemProperty name="jetty.home" default="."/>/etc/realm.properties</Set> <Set name="refreshInterval">5</Set> </New> </Arg> </Call> /etc/realm.properties foo: bar, solr_admin webdefault.xml <security-constraint> <web-resource-collection> <url-pattern>/</url-pattern> </web-resource-collection> <auth-constraint> <role-name>solr_admin</role-name> </auth-constraint> </security-constraint> <login-config> <auth-method>BASIC</auth-method> <realm-name>solr</realm-name> </login-config>

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  • How do I disable the touchpad using the upper left corner on an HP Pavilion dv6?

    - by William
    To disable the touchpad on an HP Pavilion dv6, you double tap on an area in the upper left hand corner of the touchpad. Then the blue indicator light around the border of the touchpad turns red, and the touchpad is disabled. Double tapping on this area again turns the touchpad turns back on. I do a lot of typing, and frequently bump the touchpad, messing up my work and annoying me. So, I would like to enable the ability to disable the touchpad by double-tapping on the area in the upper left hand corner. Unfortunately, there is no function key backup to disable the touchpad. This does not work in Ubuntu. I can turn it off using touchpad-indicator, but the program must be manually started and you have to disable using the key combination. Double-tapping the area is much easier. My computer is the HP Pavilion dv6-6135dx. Any help would be greatly appreciated.

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  • How do i find out which program is using internet and how much?

    - by Anwar Shah
    Sometimes there are unusual Internet activity in my Computer. Modem's lights are always blinking and When I open system monitor, I see there some unknown program is using my precious Internet with 64KB/S (I have 512kbps connection). Still I am in a firefox session with only one tab opened, and the page in already loaded and there is no indication of busy sign in the page (that rotating orange circle). In that situation I unplug my modem and reconnect it again. After several times doing this, that unusual activity stops. It annoys me very much. How can I find out the process which is using the Internet?. How much they are using? How can I kill it? A graphical solution will be better.

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  • Google Now is One Step Closer to Becoming Active in Google Chrome

    - by Akemi Iwaya
    Many people have been eager to have Google Now working in their Chrome browsers and this week that dream got one step closer to reality. The first teasers that the new feature is becoming active have started to appear, so now is a good time to activate the switch for it and be ready for its arrival. You will need to be running the Dev Channel on your computer and enable the Google Now switch via Chrome Flags (chrome://flags/) if you have not already done so. The switch will be towards the bottom of the list. Once that is done restart your browser. After the browser has restarted you will see a notification window pop up as seen in the first screenshot above. Click Yes and a second small pop up message window will appear letting you know more about the freshly enabled feature. Unfortunately we were not able to catch a screenshot of the second message window before it disappeared.    

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  • Visualising data a different way with Pivot collections

    - by Rob Farley
    Roger’s been doing a great job extending PivotViewer recently, and you can find the list of LobsterPot pivots at http://pivot.lobsterpot.com.au Many months back, the TED Talk that Gary Flake did about Pivot caught my imagination, and I did some research into it. At the time, most of what we did with Pivot was geared towards what we could do for clients, including making Pivot collections based on students at a school, and using it to browse PDF invoices by their various properties. We had actual commercial work based on Pivot collections back then, and it was all kinds of fun. Later, we made some collections for events that were happening, and even got featured in the TechEd Australia keynote. But I’m getting ahead of myself... let me explain the concept. A Pivot collection is an XML file (with .cxml extension) which lists Items, each linking to an image that’s stored in a Deep Zoom format (this means that it contains tiles like Bing Maps, so that the browser can request only the ones of interest according to the zoom level). This collection can be shown in a Silverlight application that uses the PivotViewer control, or in the Pivot Browser that’s available from getpivot.com. Filtering and sorting the items according to their facets (attributes, such as size, age, category, etc), the PivotViewer rearranges the way that these are shown in a very dynamic way. To quote Gary Flake, this lets us “see patterns which are otherwise hidden”. This browsing mechanism is very suited to a number of different methods, because it’s just that – browsing. It’s not searching, it’s more akin to window-shopping than doing an internet search. When we decided to put something together for the conferences such as TechEd Australia 2010 and the PASS Summit 2010, we did some screen-scraping to provide a different view of data that was already available online. Nick Hodge and Michael Kordahi from Microsoft liked the idea a lot, and after a bit of tweaking, we produced one that Michael used in the TechEd Australia keynote to show the variety of talks on offer. It’s interesting to see a pattern in this data: The Office track has the most sessions, but if the Interactive Sessions and Instructor-Led Labs are removed, it drops down to only the sixth most popular track, with Cloud Computing taking over. This is something which just isn’t obvious when you look an ordinary search tool. You get a much better feel for the data when moving around it like this. The more observant amongst you will have noticed some difference in the collection that Michael is demonstrating in the picture above with the screenshots I’ve shown. That’s because it’s been extended some more. At the SQLBits conference in the UK this year, I had some interesting discussions with the guys from Xpert360, particularly Phil Carter, who I’d met in 2009 at an earlier SQLBits conference. They had got around to producing a Pivot collection based on the SQLBits data, which we had been planning to do but ran out of time. We discussed some of ways that Pivot could be used, including the ways that my old friend Howard Dierking had extended it for the MSDN Magazine. I’m not suggesting I influenced Xpert360 at all, but they certainly inspired us with some of their posts on the matter So with LobsterPot guys David Gardiner and Roger Noble both having dabbled in Pivot collections (and Dave doing some for clients), I set Roger to work on extending it some more. He’s used various events and so on to be able to make an environment that allows us to do quick deployment of new collections, as well as showing the data in a grid view which behaves as if it were simply a third view of the data (the other two being the array of images and the ‘histogram’ view). I see PivotViewer as being a significant step in data visualisation – so much so that I feature it when I deliver talks on Spatial Data Visualisation methods. Any time when there is information that can be conveyed through an image, you have to ask yourself how best to show that image, and whether that image is the focal point. For Spatial data, the image is most often a map, and the map becomes the central mode for navigation. I show Pivot with postcode areas, since I can browse the postcodes based on their data, and many of the images are recognisable (to locals of South Australia). Naturally, the images could link through to the map itself, and so on, but generally people think of Spatial data in terms of navigating a map, which doesn’t always gel with the information you’re trying to extract. Roger’s even looking into ways to hook PivotViewer into the Bing Maps API, in a similar way to the Deep Earth project, displaying different levels of map detail according to how ‘zoomed in’ the images are. Some of the work that Dave did with one of the schools was generating the Deep Zoom tiles “on the fly”, based on images stored in a database, and Roger has produced a collection which uses images from flickr, that lets you move from one search term to another. Pulling the images down from flickr.com isn’t particularly ideal from a performance aspect, and flickr doesn’t store images in a small-enough format to really lend itself to this use, but you might agree that it’s an interesting concept which compares nicely to using Maps. I’m looking forward to future versions of the PivotViewer control, and hope they provide many more events that can be used, and even more hooks into it. Naturally, LobsterPot could help provide your business with a PivotViewer experience, but you can probably do a lot of it yourself too. There’s a thorough guide at getpivot.com, which is how we got into it. For some examples of what we’ve done, have a look at http://pivot.lobsterpot.com.au. I’d like to see PivotViewer really catch on a data visualisation tool.

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  • Why isn't software as reliable as a car?

    - by Alex Angas
    I had a user ask me this question. We know that cars break down, but that's because of something physical (unless software is involved!). I tried to answer that software is a much younger industry, but the user countered with "didn't the automobile industry become much more stable than and reliable with less people?". I also tried to answer that software is more complex, but the user countered that there are many thousands of parts that make up a car. People that design and build cars generally just know their component(s) very well, but they still all end up working together as an end result. So, why isn't software as reliable as a car?

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  • How to remove old Linux kernel modules »tp_smapi«?

    - by user43816
    ~$ locate tp_smapi /lib/modules/3.0.0-19-generic/updates/dkms/tp_smapi.ko /lib/modules/3.2.0-26-generic/updates/dkms/tp_smapi.ko /lib/modules/3.2.0-29-generic/updates/dkms/tp_smapi.ko /usr/src/tp-smapi-0.41/tp_smapi.c /var/lib/dkms/tp-smapi/0.41/3.0.0-19-generic/x86_64/module/tp_smapi.ko /var/lib/dkms/tp-smapi/0.41/3.2.0-26-generic/x86_64/module/tp_smapi.ko /var/lib/dkms/tp-smapi/0.41/3.2.0-29-generic/x86_64/module/tp_smapi.ko /var/lib/dkms/tp-smapi/0.41/build/tp_smapi.c' How to remove the 2 old Linux kernel modules from kernels 3.0.0-19 und 3.2.0-26? ~$ man dkms "'dkms remove [module/module-version]' removes a module/version combination from a tree.' What is a "[module/module-version]", please? Please notice: I do not want to remove old Linux kernel modules tp_smapi from a tree but I'd like to remove old Linux kernel modules from my Ubuntu 12.04.1 computer.

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  • Fastest way to document software architecture and design

    - by Karsten
    We are a small team of 5 developers and I'm looking for some great advices about how to document the software architecture and design. I'm going for the sweet spot, where the time invested pays off. I don't want to use more time documenting than necessary. I'll quickly give you my thoughts. What are the diagrams I should made? I'm thinking an overall diagram showing the various applications and services. And then some sequence diagrams showing the most important or complicated processes. About the code it self, I really don't see much value in describing or making diagrams for the code outside the .cs files them self. About text documents, I'm a bit uncertain about when to put down on paper. Most developers don't like to either write or read long documents.

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