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• What real life bad habits has programming given you?

  - by Jacob T. Nielsen

  Programming has given me a lot of bad habits and it continues to give me more everyday. But I have also gotten some bad habits from the mindset that I have put myself in. There simply are some things that are deeply rooted in my nature, though some of them I wish I could get rid of. A few: Looking for polymorphism, inheritance and patterns in all of God's creations. Explaining the size of something in pixels and colors in hex code. Using code related abstract terms in everyday conversations. How have you been damaged?

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• PASS Call for Speakers

  - by Paul Nielsen

  It's that time again - the PASS Summit 2010 (Seattle Nov 8-11) Call for Speakers is now open and accepting abstracts until June 5 th . personally, I'm on a pattern that on odd years I present what I'm excited about, and on even years I try try to proesent what I expect other are jazzed about, which takes a bit more work. Last year I offered to Coach any Pass Speakers for free and some success. I’m offering that service again startign with your abstracts. If you’d like me to review your abstracts...(read more)

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• The Primary Cause of Failed IT Projects

  - by Paul Nielsen

  During my career I’ve been a part of dozens of projects. Some I was on from the start, most I came in to help bail out. Some went smooth and were a pleasure to build and maintain and some projects failed (failed being broadly defined as projects that were not completed, or were completed but were a horrid mess – very complex, impossible to maintain, refactor, and a royal pain to keep running.) While there are a number of factors that can contribute to a failed project, in my career it seems the primary...(read more)

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• Remote reboot over ssh does not restart

  - by Finn Årup Nielsen

  I would like to remotely reboot my Ubuntu 12.04 LTS server via ssh. I do sudo reboot and I loose connection and the server connection does not reappear. It does not ping. When I go the the physical computer with a screen attached I see a black screen and hear that the server is still on. I do a hard power off (press power on button for a few seconds) and the server halts. After I press power on the server boots with no problem. As far as I remember the remote reboot has previously worked on that server. I wonder if sudo reboot & will help? I suppose I could also try sudo shutdown -r and see if that does any difference. I have listed an excerpt of /etc/log/syslog below. The last thing it records is the stopping of the logging. Oct 24 10:14:49 servername kernel: [1354427.594709] init: cron main process (1060) killed by TERM signal Oct 24 10:14:49 servername kernel: [1354427.594908] init: irqbalance main process (1080) killed by TERM signal Oct 24 10:14:49 servername kernel: [1354427.595299] init: tty1 main process (1424) killed by TERM signal Oct 24 10:14:49 servername kernel: [1354427.637747] init: plymouth-upstart-bridge main process (20873) terminated with status 1 Oct 24 10:14:49 servername kernel: Kernel logging (proc) stopped. Oct 24 10:14:49 servername rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="876" x-info="http://www.rsyslog.com"] exiting on signal 15. Oct 24 10:25:34 servername kernel: imklog 5.8.6, log source = /proc/kmsg started. Oct 24 10:25:34 servername rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="862" x-info="http://www.rsyslog.com"] start

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• The Primary Cause of Failed IT Projects

  - by Paul Nielsen

  During my career I’ve been a part of dozens of projects. Some I was on from the start, most I came in to help bail out. Some went smooth and were a pleasure to build and maintain and some projects failed (failed being broadly defined as projects that were not completed, or were completed but were a horrid mess – very complex, impossible to maintain, refactor, and a royal pain to keep running.) While there are a number of factors that can contribute to a failed project, in my career it seems the primary...(read more)

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• TypeScript first impressions

  - by Bertrand Le Roy

  Anders published a video of his new project today, which aims at creating a superset of JavaScript, that compiles down to regular current JavaScript. Anders is a tremendously clever guy, and it always shows in his work. There is much to like in the enterprise (good code completion, refactoring and adoption of the module pattern instead of namespaces to name three), but a few things made me rise an eyebrow. First, there is no mention of CoffeeScript or Dart, but he does talk briefly about Script# and GWT. This is probably because the target audience seems to be the same as the audience for the latter two, i.e. developers who are more comfortable with statically-typed languages such as C# and Java than dynamic languages such as JavaScript. I don’t think he’s aiming at JavaScript developers. Classes and interfaces, although well executed, are not especially appealing. Second, as any code generation tool (and this is true of CoffeeScript as well), you’d better like the generated code. I didn’t, unfortunately. The code that I saw is not the code I would have written. What’s more, I didn’t always find the TypeScript code especially more expressive than what it gets compiled to. I also have a few questions. Is it possible to duck-type interfaces? For example, if I have an IPoint2D interface with x and y coordinates, can I pass any object that has x and y into a function that expects IPoint2D or do I need to necessarily create a class that implements that interface, and new up an instance that explicitly declares its contract? The appeal of dynamic languages is the ability to make objects as you go. This needs to be kept intact. More technical: why are generated variables and functions prefixed with _ rather than the $ that the EcmaScript spec recommends for machine-generated variables? In conclusion, while this is a good contribution to the set of ideas around JavaScript evolution, I don’t expect a lot of adoption outside of the devoted Microsoft developers, but maybe some influence on the language itself. But I’m often wrong. I would certainly not use it because I disagree with the central motivation for doing this: Anders explicitly says he built this because “writing application-scale JavaScript is hard”. I would restate that “writing application-scale JavaScript is hard for people who are used to statically-typed languages”. The community has built a set of good practices over the last few years that do scale quite well, and many people are successfully developing and maintaining impressive applications directly in JavaScript. You can play with TypeScript here: http://www.typescriptlang.org

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• rails use counts in diferent views

  - by Oluf Nielsen

  Hello i guess this is going to be pretty noob question.. But.. I have an scaffold called list, which has_many :wishes. And with that information in my model, I can in my list view use this code <%=h @list.wishes.count % well now I have made an controller called statusboard.. And in that' I have 3 functions.. Or how to say it.. but it is Index, loggedin, loggedout.. And .. In loggedin and in the file #app/views/statusboard/loggedin.html.erb i want to display this.. Howdy {Username}, you have made {count lists} lists, and {count wishes} wishes here is that i figured i should write in my file.. Howdy {Username}, you have made <%=h @user.list.count % lists, and <%=h @user.wishes.count % wishes my list model is like this = class List < ActiveRecord::Base   attr_accessible :user_id, :name, :description   belongs_to :users   has_many :wishes end and my wish model is like this = class Wish < ActiveRecord::Base   attr_accessible :list_id, :name, :price, :link, :rating, :comment   belongs_to :list end and last my user model is like this = class User < ActiveRecord::Base   # Include default devise modules. Others available are:   # :token_authenticatable, :lockable and :timeoutable   devise :database_authenticatable, :registerable,# :confirmable,              :recoverable, :rememberable, :trackable, :validatable   # Setup accessible (or protected) attributes for your model   attr_accessible :email, :password, :password_confirmation   has_many :lists end i hope someone can help me :-)! / Oluf Nielsen

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• Microsoft.Office.Interop.MSProject - why are my files always locked (by me!) when I try to open them

  - by Anders Juul

  Hi all, I'm trying to use Interop to manipulate MS Project 2003 (MPP) files. My problem is that MS Project reports that the files is already opened by another user (me!) and that I can open it only as read-only. Obviously, I've tried to restart studio, then windows (xp) but with no effect. The file attribute for Readonly is cleared on the file. Any suggestions for what I might try?! Thanks, Anders Imports Microsoft.Office.Interop.MSProject ... Dim app As ApplicationClass = New ApplicationClass() app.Visible = False Dim success As Boolean = app.FileOpen(fullPath, False)

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• Modify headers in Pylons using Middleware

  - by Anders

  Hi all, I'm trying to modify a header using Middleware in Pylons to make my application RESTful, basically, if the user request "application/json" via GET that is what he get back. The question I have is, the variable headers is basically a long list. Looking something like this: [('Content-Type', 'text/html; charset=utf-8'), ('Pragma', 'no-cache'), ('Cache-Control', 'no-cache'), ('Content-Length','20'), ('Content-Encoding', 'gzip')] Now, I'm looking to just modify the value based on the request - but are these positions fixed? Will 'Content-Type' always be position headers[0][0]? Best Regards, Anders

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• MVC routing - why does my request not match the route?

  - by Anders Juul

  Hi all, I'm making a request that I thought would be caught by my route, but there is no match. What am I doing wrong? Any comments appreciated, Anders, Denmark -- Url : EventReponse/ComingAdmin/386/01e71c45-cb67-4711-a51f-df5fcb54bb8b Expected match: routes.MapRoute( "Editing event responses for other user", // Route name "EventResponse/{action}/{eventId}/userId", // URL with parameters new {controller = "EventResponse", action = "ComingAdmin"} // Parameter defaults ); Desired controller (but I guess this does not come into play): public class EventResponseController : ControllerBase { (...) public ActionResult ComingAdmin(int eventId, Guid userId) { return RegisterEventResponse(eventId, AttendanceStatus.Coming, userId); } }

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• How should I handle pages that move to a new url with regards to search engines?

  - by Anders Juul

  Hi all, I have done some refactoring on a asp.net mvc application already deployed to a live web site. Among the refactoring was moving functionality to a new controller, causing some urls to change. Shortly after the various search engine robots start hammering the old urls. What is the right way to handle this in general? Ignore it? In time the SEs should find out that they get nothing but 400 from the old urls. Block old urls with robots.txt? Continue to catch the old urls, then redirect to new ones? Users navigating the site would never get the redirection as the urls are updated through-out the new version of the site. I see it as garbage code - unless it could be handled by some fancy routing? Other? As always, all comments welcome... Thanks, Anders, Denmark

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• Discussion: Working TDD in a Scrum context

  - by Anders Juul

  Hi all, When I work TDD I tend to start out with the big picture and create the tests that should succeed in order for the overall assignment to be completed - it then kicks off a number of supporting classes/methods/tests as I 'dig in'. If my assignment has been planned out in detail, I would then open one task, and in order to solve it, open another and then another. Only when the overall tests are succeeding can I close the original task, which means that at any given time, I would have a number of open tasks. I find that this approach conflict somewhat with the scrum approach where, ideally, I should be able to take and close a task within a day's work - and never have more than one task open at a time. I'm looking for input about how you manage this in your project - references to articles are also very welcome, I'm sure this has been debated thoroughly somewhere... The 'answer tick' will be awarded to best comment/reference. Thanks for any input, Anders, Denmark

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• What will be important in Training in 2011?

  - by anders.northeved

    Now that we have started a new year I would like to give you a list of topics I think we will be discussing in training and learning in 2011. Some of the areas we have discussed earlier will still be just as important in 2011: Time-to-knowledge Still one of the most important issues for the training department. Internal content production Related to time-to-knowledge. How do we convert internal knowledge to a format that can be used for teaching others? LMS integration How do we get our existing LMS fully integrated with our other ERP modules like HCM, Order Management, Finance, Payroll etc. Some areas have been discussed before, but we’ll focus more on these in 2011: Combining internal and external training A majority of training departments use a combination of external and internal training. Having the right mix is vital for the quality and efficiency for most training organizations. Certification More rules and regulations means managing all employee certifications is more important than ever. Evolving trends in 2011: Social Learning We have been talking about this for a long time, but 2011 will be the year where we will start using it for real (OK, I also said so last year – but this year I’m right…). Real-life use of SCORM 2004 Again a topic we have talked about for a long time, but we are now actually starting to use it to give learners a better e-learning experience. How do we engage and delight the learner? e-learning makes economical sense, it can be easy to understand, it is convenient – but how do we make it more engaging and delight our learners? How to include more types of training in LMS One of the main focus area of 2011 will be how to manage and measure mobile learning , on-the-job-training and other forms of training in the LMS. Mobile Learning With the ever growing use of smart phones mobile learning will be THE hot topic of 2011 in the training world. New topics we will begin discussing in 2011: What is beyond web 2.0 and social learning? - could it be content verification and personal accreditation? Why gaming will not be the silver bullet for all types of e-learning Many people believe gaming can be used for any kind of training, but the creation is too expensive and time consuming for most applications. Do you agree with these predictions? What are your own predictions? Let me see your comments! (photo: © Marti, photoxpress.com)

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• How to switch sound-drivers, and to which? [AMD] Hudson Azalia Controller

  - by Anders Martini

  System settings/sound does not open, freezes and I have to force close. Speaker symbol with volume control does not open scroll-down menu, and there is no sounds. Many people have problems with Hudson Azalia in Ubuntu, but I found no working solution. I don't really understand much of this, but here are some more details: aplay -l : **** List of PLAYBACK Hardware Devices **** (after running this one, it starts some kind of process that doesn't get any results, and doesn't stop, terminal has to be shut down) lspci -vnn | grep -iA5 audio: 00:01.1 Audio device [0403]: Advanced Micro Devices [AMD] nee ATI Device [1002:9902] Subsystem: Hewlett-Packard Company Device [103c:184c] Flags: bus master, fast devsel, latency 0, IRQ 53 Memory at f0444000 (32-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel -- 00:14.2 Audio device [0403]: Advanced Micro Devices [AMD] Hudson Azalia Controller [1022:780d] (rev 01) Subsystem: Hewlett-Packard Company Device [103c:184c] Flags: bus master, slow devsel, latency 32, IRQ 54 Memory at f0440000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel It seems to me that I'm currently running hda Intel drivers on my AMD Hudson Azalia soundcard. I can't see what drivers this soundcard uses. Do I need any additional drivers for my soundcard, and where would I find them?

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• What is the best solution for document archiving?

  - by Anders Wallenquist

  I'm looking for a utility that helps me (and my colleagues) to archive documents in a systematic manner (Like Zeitgeist but permanent). The utility have to clean-out old document from desktops and store them on a server (as automatic as possible and consistent) maybe from just a few locations (Document directory) Documents shall be stored on cheap large media for many years to come - hard disk and file system maybe? Easy to maintain and manage for a small organization. Documents have to be easy to find and restore One systematic manner could be a directory-structure by year, month, user or user, year, month. Its a plus if documents could be linked to a project, if documents could be search-able and if document could also be mail, IM-discussions not only OpenOffice traditional documents. Any ideas?

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• Sub routing in a SPA site

  - by Anders

  I have a SPA site that I'm working on, I have a requirement that you can have subroutes for a page view model. Im currently using this 'pattern' for the site MyApp.FooViewModel = MyApp.define({ meta: { query: MyApp.Core.Contracts.Queries.FooQuery, title: "Foo" }, init: function (queryResult) { }, prototype: { } }); In the master view model I have a route table this.navigation(new MyApp.RoutesViewModel({ Home: { model: MyApp.HomeViewModel, route: String.empty }, Foo: { model: MyApp.FooViewModel } })); The meta object defines which query should populate the top level view model when its invoked through sammyjs, this is all fine but it does not support sub routing My plan is to change the meta object so that it can (optional offcourse) look like this meta: { query: MyApp.Core.Contracts.Queries.FooQuery, title: "Foo", route: { barId: MyApp.BarViewModel } } When sammyjs detects a barId in the query string the Barmodel will be executed and populated through its own meta object. Is this a good design?

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• Problems with icons and shutting down Ubuntu 12.04

  - by Anders

  I recently upgraded from 11-10 to 12.04 as a dual boot (Windows 7) and am having problems with shutting down. I installed from a CD that I burned from the iso file, and to get it to boot from the CD, I needed to install the special help program from Windows that would then recognize the CD as the system booted.The installation gave me my own user account as well as a guest account. For the User account there is no "gear" icon (in the upper RH side) from which to access the shut down menu. Interestingly the icons for the Home folder, the Ubuntu One folder, and the System Settings folder are missing, although there are blank places shows these names if the mouse cursor is positioned over these areas. They will even launch with the press of a key - but no icons are visible. For the Guest account, all of these icons are visible and usable. The problem that occurs in shutting down is that I need to leave the User account, move to the Guest account (so that I can access the top right "gear" icon that has the shut down menu item) and press the shut down button. The problem here is that when the shut own menu appears and I press the confirmation that I wish to shut down the computer, the page blanks (as one might hope in the process of closing down), and then pops up with the log in menu, giving the option of logging in as a User or as a Guest. So the questions are: 1) how do you reinstate the far right top icon from which you can access the shut down drop down menu in the User account page. 2) how do you get the icons to display properly on the Left hand side (Home, Ubuntu One, System Settings, and Workspace Switcher) 3) how do you get the system to turn of when you press the shut down button! Boy oh boy! Thanks a bunch for any help!

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• Can't see Windows partition in Nautilus

  - by Anders Feder

  I am on Ubuntu 11.10. I used to be able to access my Windows partion from the list of devices in Nautilus, but I no longer see it. What might be wrong? Running sudo blkid gives the following: /dev/loop0: UUID="ef34b449-1330-4ac5-bb69-e1475c0b91da" TYPE="ext4" /dev/sda1: LABEL="PQSERVICE" UUID="D04C76D04C76B138" TYPE="ntfs" /dev/sda2: LABEL="SYSTEM RESERVED" UUID="EC4878594878248C" TYPE="ntfs" /dev/sda3: LABEL="Acer" UUID="54947A5A947A3E94" TYPE="ntfs" Thanks.

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• How can I force a USB modem to only connect via EDGE and not 3G?

  - by Anders Wallenquist

  How do I get Network-admin to restrict connection to GSM (Edge) instead of flipping between 3G and Edge and lose connection. Usually it works out-of-the box, but at my current location there are a lot of radio shadows, so the recommendation from my ISP is that I should lock to Edge - which can be done using their own driver in Windows. How can I do this in Ubuntu Ubuntu 11.04 Modem: Huawei E220 ISP: Telia mobilt bredband kontant

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• Any mates have same plan as me. Focust on tech whole life, no wife, no kids [closed]

  - by Anders Lind

  I am about 30 years old, c++ programmer. Kernel hacker. Living in east coast US. Day by day, night by night. I am in front of my monitor, typing code on my hhkb, scratching idea on my notebook. In my spare time, I play piano sometimes. Go to some classical concert once a month. Basically having a happy life. One concern is I dont have gf. I dont have wife nor kids. My parents start to worry about this. Occasionally they will ask my status. they wont tell me to do anything. But I can see their worries. So, my question is, is my life normal? How many mates think same as me? (I only know rms is single, has no kids, and having a happy life. But I am way worse than him. compare to him, I am nothing. If I am as successful as him. I won;t ask this question here.)

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• Should you always pass the bare minimum data needed into a function

  - by Anders Holmström

  Let's say I have a function IsAdmin that checks whether a user is an admin. Let's also say that the admin checking is done by matching user id, name and password against some sort of rule (not important). In my head there are then two possible function signatures for this: public bool IsAdmin(User user); public bool IsAdmin(int id, string name, string password); I most often go for the second type of signature, thinking that: The function signature gives the reader a lot more info The logic contained inside the function doesn't have to know about the User class It usually results in slightly less code inside the function However I sometimes question this approach, and also realize that at some point it would become unwieldy. If for example a function would map between ten different object fields into a resulting bool I would obviously send in the entire object. But apart from a stark example like that I can't see a reason to pass in the actual object. I would appreciate any arguments for either style, as well as any general observations you might offer. I program in both object oriented and functional styles, so the question should be seen as regarding any and all idioms.

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• "Win32 exception occurred releasing IUnknown at..." error using Pylons and WMI

  - by Anders

  Hi all, Im using Pylons in combination with WMI module to do some basic system monitoring of a couple of machines, for POSIX based systems everything is simple - for Windows - not so much. Doing a request to the Pylons server to get current CPU, however it's not working well, or atleast with the WMI module. First i simply did (something) this: c = wmi.WMI() for cpu in c.Win32_Processor(): value = cpu.LoadPercentage However, that gave me an error when accessing this module via Pylons (GET http://ip:port/cpu): raise x_wmi_uninitialised_thread ("WMI returned a syntax error: you're probably running inside a thread without first calling pythoncom.CoInitialize[Ex]") x_wmi_uninitialised_thread: <x_wmi: WMI returned a syntax error: you're probably running inside a thread without first calling pythoncom.CoInitialize[Ex] (no underlying exception)> Looking at http://timgolden.me.uk/python/wmi/tutorial.html, i wrapped the code accordingly to the example under the topic "CoInitialize & CoUninitialize", which makes the code work, but it keeps throwing "Win32 exception occurred releasing IUnknown at..." And then looking at http://mail.python.org/pipermail/python-win32/2007-August/006237.html and the follow up post, trying to follow that - however pythoncom._GetInterfaceCount() is always 20. Im guessing this is someway related to Pylons spawning worker threads and crap like that, however im kinda lost here, advice would be nice. Thanks in advance, Anders

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• jQuery - .Ready fires on div tag not in the page

  - by Anders Juul

  Dear all, I have implemented below function in a separate .js script file which I load in my main page (Asp.net mvc). The call back to server is rather costly but ok if specifically requested on the sub-page / content page on which my div tag needs to be filled. My problem is that the code runs on every page, including pages where the div tag is not present. How can I remedy my code? Any comments welcome, Thanks, Anders, Denmark jQuery("divStatWrapper").ready(function() { jQuery.getJSON("/Statistics/GetPointsDevelopment", function(json) { jQuery("#divStatWrapper #divStatLoading").fadeOut(1000); var jsonPoints = new Array(); jQuery.each(json.Points, function(i, item) { jsonPoints.push(item.PlayerPoints ); }); jsonPoints.reverse(); var api = new jGCharts.Api(); jQuery('<img>') .attr('src', api.make({ data : jsonPoints, type : "lc", size : "600x250" })) .appendTo("#divStatContents"); jQuery("#divStatWrapper #divStatContents").fadeIn(1000); }); });

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• Sql Serve - Cascade delete has multiple paths

  - by Anders Juul

  Hi all, I have two tables, Results and ComparedResults. ComparedResults has two columns which reference the primary key of the Results table. My problem is that if a record in Results is deleted, I wish to delete all records in ComparedResults which reference the deleted record, regardless of whether it's one column or the other (and the columns may reference the same Results row). A row in Results may deleted directly or through cascade delete caused by deleting in a third table. Googling this could indicate that I need to disable cascade delete and rewrite all cascade deletes to use triggers instead. Is that REALLY nessesary? I'd be prepared to do much restructuring of the database to avoid this, as my main area is OO programming, and databases should 'just work'. It is hard to see, however, how a restructuring could help as I would just move the problem around... Or am I missing something? I am also a bit at a loss as to why my initial construct should even be a problem for the Sql Server?! Any comments welcome and much appreciated! Anders, Denmark

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• WPF/MVVM - keep ViewModels in application component or separate?

  - by Anders Juul

  Hi all, I have a WPF application where I'm using the MVVM pattern. I get the VM activated for actions that require user input and thus need to activate views from the VM. I've started out separating the VMs into a separate component/assembly, partly because I see them as the unit testable part, partly because views should rely on VM, not the other way round. But when I then need to bring up a window, the window is not known by the VM. All introductions I find place the VM in the WPF/App component, thus eliminating the problem. This article recommends keeping them in separate layers : http://waf.codeplex.com/wikipage?title=Architecture%20-%20Get%20The%20Big%20Picture&referringTitle=Home As I see it, I have the following choices Move VMs to the WPF/App assembly to allow VMs to access the windows directly. Place interfaces of views in VM-assembly, implement views in WPF/App assembly and register the connection through IOC or alternative ways. File a 'request' from the VM into some mechanism/bus that routes the request (but which mechanism!? E.g something in Prism?!) What's the recommendation? Thanks for any comments, Anders, Denmark

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