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  • How do you end up with event-sourcing if you use a xDD approach?

    - by Tomas Jansson
    When working in a TDD or BDD manner your unit tests are supposed to drive your design. But how do you end up with event-sourcing using a xDD techniques? As I see it event sourcing is something you need to adopt early on to take full advantage of it. Lets say that you start without event-sourcing and do a release. Later on when you are releasing version 2.0 you realize that it would be great to use event-sourcing, but at that point you alread have missed all the events from version 1.0 so it makes it much harder to implement. Or do you take some kind of backup of your db from before event-sourcing and use that as base line and then add event-sourcing on top of that?

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  • Replacing LF, NEL line endings in text file with CR+LF

    - by Tomas Lycken
    I have a text file with a strange character encoding that I'd like to convert to standard UTF-8. I have managed to get part of the way: $ file myfile.txt myfile.txt: Non-ISO extended-ASCII text, with LF, NEL line endings $ iconv -f ascii -t utf-8 myfile.txt > myfile.txt.utf8 $ file myfile.txt.utf8 myfile.txt.utf8: UTF-8 Unicode text, with LF, NEL line endings ## edit myfile.txt.utf8 using nano, to fix failed character conversions (mostly åäö) $ file myfile.txt.utf8 myfile.txt.utf8: UTF-8 Unicode text, with LF, NEL line endings However, I can't figure out how to convert the line endings. How do I do to replace LF+NEL with CR+LF (or whatever is the standard)? When I'm done, I'd like to see the following: $ file myfile.txt myfile.txt: UTF-8 Unicode text

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  • Keep getting messages about internal system errors

    - by Tomas Lycken
    I keep getting popups about internal system errors (see screenshot below) on irregular intervals (several times a day), that I don't know what to do about. If I continue through the dialog and try to report the error back to the Ubuntu project, I get a message stating that development on this version of Ubuntu has been completed, and that I should ask for help here if I don't know what to do about it. I don't. If I show the details of the error message, the "executable path" parameter shows /usr/share/apport/apport-gpu-error-intel.py. Is this a bug I should report to Launchpad, or just a configuration error somewhere? If it's a bug, how do I collect the data I (and the devs) need? Update in response to comment: I am running an ASUS N53SN, sporting an Intel Core i7 2630QM CPU and an NVidia GeForce 550M GPU.

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  • Good structure of IT / programmer CV

    - by tomas
    Hi, company where I applied for a job requires a very detailed CV mainly of programming languages, frameworks, technology. My CV have 3 pages but for this company is not enough detailed. ;) What structure have your CV in programming languages, frameworks, technology, third-party libraries? Any sample of good structured CV. (as pdf file) Of course I had used the google but I found a dozen same old things. I would like have someting orignal and fresh. Any inspiration? I do not know what to write for example C #. C# OOP, delagate, event, generic, LINQ other WPF control, data template, converter, style, triggers..? Prims, Caliburn, MEF ? Also which skills from OS, IDE, util is suitably to have in CV. I would’t have a 10 pages CV or have bad and immense structure of CV. Sory for my english

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  • Microphone crackling in Ubuntu 12.04

    - by Tomas
    I am not very experienced in linux and have this problem with microphone which works fine on Windows. Microphone is external one and when listening to recorded sound (both Sound Recorder and Skype Echo Test) you can hear crackling noise. I fixed output crackling by replacing load-module module-hal-detect with load-module module-hal-detect tsched=0 in /etc/pulse/default.pa but I have no idea how to fix input. Hardware info: Card: HDA ATI SB Chip: Realtek ALC272X Thanks for help!

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  • Grub2 with BURG: duplicate Windows entries, how do I remove one?

    - by Tomas Lycken
    I have a dual boot system with Ubuntu 12.04 and Windows 7, using GRUB2 (with Burg) as boot loader. For some reason, the Windows installation shows up twice in the boot menu: Ubuntu GNU/Linux, with Linux 3.2.0-24-generic Ubuntu GNU/Linux, with Linux 3.2.0-24-generic (recovery mode) Windows 7 (loader) (on /dev/sda1) Windows 7 (loader) (on /dev/sda2) If I look in my partition table, /dev/sda2 is C:\ of the Windows installation, and /dev/sda1 is the "System Reserved" partition (which, IIRC, is Windows' own bootloader). Furthermore, gparted shows /dev/sda2 - but no other partitions - with a boot flag: What is going on here? I'd like to have only the entries for Ubuntu and one entry for Windows in my boot menu - how do I remove one of them?

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  • Disabling monitor reconfiguration when closing lid

    - by Tomas
    I often need to move my laptop from one working place to another. When I do this, there are two events Ubuntu responds to by changing the monitor set up: Removing/attaching the VGA cable Closing/opening the lid of the laptop While removing the VGA cable gives me what I need (single screen, highest native resolution on the external screen if connected; otherwise highest resolution on the laptop), the laptop close/open lid response is not as good. Every time I close or open the lid, Ubuntu reconfigures the monitor set up. When I close the lid now... the screen goes black for a few seconds and it switches to clone, with my laptop screen disabled. Reopening results in... briefly a black screen, then the external monitor being used as desktop extension. Ubuntu thinks too much. My first and foremost question: Is there any way to let Ubuntu ignore lid close events? Ideally (or when there's no way to solve above question) I'd want to change how it deals with the screen reconfiguration. Why does Ubuntu toggle the screen configuration between external, clone and single display? Can't I just configure it to always use the external monitor, when present, in single screen mode? Note that similar questions have been asked before (most notably this one), but these have been closed perhaps wrongly. Any ideas are very welcome, I don't mind playing around a bit to see if something works.

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  • Run Tests in Folder

    - by Tomas Mysik
    Hi all, today we would like to show you another minor improvement we have prepared for NetBeans 7.2. Today, let's talk a little bit about testing. This minor improvement will be useful especially for users who have a lot of unit tests (it means all of us, right? ;) - just right click on any folder underneath Test Files node and you will notice: The result is as expected - all the tests from the given folder are run: That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans BugZilla (component php, subcomponent PHPUnit).

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  • Running external commands improved a bit

    - by Tomas Mysik
    Hi all, today we would like to show you one small improvement related to running external commands (e.g. generating documentation, running framework commands etc.) which will be available in NetBeans 7.3. First, have a look at the screenshot: As you can see, the first line represents the command that is being executed. In case of any error, this command can be easily copy & pasted to the console for deeper investigation (and proper bug reports ;). Also please notice that the Output window now supports background colors. That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans Bugzilla (component php, subcomponent Code).

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  • HTML5 development in PHP projects

    - by Tomas Mysik
    Today, we would like to show you how you can in NetBeans 7.4 develop your HTML5 applications directly in your PHP projects. And because everything has already been described on the NetBeans Web Client blog, we will just provide a link to this great blog post: HTML5 development in Java EE and PHP projects. Enjoy it! :) That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans Bugzilla. Also, please do not forget that all the comments here are moderated.

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  • Strategy to store/average logs of pings

    - by José Tomás Tocino
    I'm developing a site to monitor web services. The most basic type of check is sending a ping, storing the response time in a CheckLog object. By default, PingCheck objects are triggered every minute, so in one hour you get 60 CheckLogs and in one day you get 1440 CheckLogs. That's a lot of them, I don't need to store such level of detail, so I've set a up collapsing mechanism that periodically takes the uncollapsed CheckLogs older than 24h and collapses (averages) them in intervals of 30 minutes. So, if you have 360 CheckLogs that have been saved from 0:00 to 6:00, after collapsing you retain just 12 of them. The problem.. well, is this: After averaging the response times, the graph changes drastically. What can I do to improve this? Guess one option could be narrowing the interval duration to 15 min. I've seen the graphs at the GitHub status page and they do not seem to suffer from this problem. I'd appreciate any kind of information you could give me about this area.

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  • Joining and compressing all javascript files together - good idea?

    - by Tomáš Zato
    Curently, I avoid loading any unnecesary scripts on individual pages of my site. I have a class that remembers all javascript files that were requested during PHP processing and adds them to HTML. I was just thinking that I could merge the current set of files, save the result in special directory and let the browser download just one, big file. Since the number of possible combinations is not very high, I would end up with about 10 combined files for different pages. I've never seen that on any site. What are the reasons not to do it? I need very fast page load.

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  • Composer support

    - by Tomas Mysik
    Hi all, today we would like to introduce you our Composer support which will be present in NetBeans 7.3. If anyone of you does not know Composer yet, please be informed that: "Composer is a tool for dependency management in PHP. It allows you to declare the dependent libraries your project needs and it will install them in your project for you." So, what support do we have in NetBeans? The first step, as usually, is to open the Composer IDE Options panel: Once it is configured properly, it is time to create composer.json file where we can define dependencies (libraries) of our PHP project: The generated file is opened so we can review it and add any libraries:  Now, you are ready to install, update or validate library dependencies of your PHP project: We hope that you enjoy this initial support and that we will be able to improve it in the next version of NetBeans.    That's all for today, as always, please test it and report all the issues or enhancements you find in NetBeans Bugzilla (component php, subcomponent Composer).

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  • MySQL Connect Content Catalog Live

    - by Bertrand Matthelié
    The MySQL Connect Content Catalog is now live and you can check out the great program the content committee put together for you. We received a lot of very good submissions during the call for papers and we’d like to thank you all again for those, it was a very difficult job to choose. Overall MySQL Connect will in two days include: Keynotes, with speakers such as Oracle Chief Corporate Architect Edward Screven and Vice President of MySQL Engineering Tomas Ulin 66 conference sessions, enabling you to hear from: Oracle engineers on MySQL 5.6 new features, InnoDB, performance and scalability, security, NoSQL, MySQL Cluster…and more MySQL users and customers including Facebook, Twitter, PayPal, Yahoo, Ticketmaster, and CERN Internationally recognized MySQL community members and partners on topics such as performance, security or high availability 6 Birds-of-a-feather sessions, in which you’ll be able to engage into passionate discussions about replication, backup and other subjects, and help influence the MySQL roadmap 8 Hands-On Labs designed to give you hands-on experience about MySQL replication, MySQL Cluster, the MySQL Performance Schema…and more Demo pods about MySQL Workbench, MySQL Cluster, MySQL Enterprise Edition and other technologies and services We’ll also have networking receptions on both Saturday and Sunday evening, enabling you to discuss with the Oracle engineers developing and supporting the MySQL products, as well as with other users and customers. Additionally, you’ll have the opportunity to meet and learn from our partners in the exhibition hall. Some of the MySQL Connect speakers such as Henrik Ingo and Andrew Morgan have already blogged about their presence at MySQL Connect, and you can find more information about their sessions or their thoughts about the conference in their blogs. We also published an interview with Tomas Ulin a few weeks ago. In summary, don’t miss MySQL Connect! And you only have about 3 weeks left to register with the early bird discount and save US$500. Don’t wait, Register Now! Interested in sponsorship and exhibit opportunities? You will find more information here.

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  • TypeError: Cannot call method 'hasOwnProperty' of null, while creating a QMLscene window

    - by tomoqv
    I am trying to make a simple Ubuntu Touch web application with Qt Creator. I have set up a new project according to the tutorial and committed the files to Bazaar. I have set a url instead of the default index.htm in the qml file of the project. Using build-run loads a QML Scene window with the desired webpage, but Qt Creator yields the following output: Starting /usr/lib/i386-linux-gnu/qt5/bin/qmlscene -I /home/tomas/ubuntu-sdk/SL-planner -I /usr/bin -I /usr/lib/i386-linux-gnu/qt5/qml /home/tomas/ubuntu-sdk/SL-planner/SL-planner.qml unity::action::ActionManager::ActionManager(QObject*): Could not determine application identifier. HUD will not work properly. Provide your application identifier in $APP_ID environment variable. file:///usr/lib/i386-linux-gnu/qt5/qml/Ubuntu/Components/MainView.qml:257: TypeError: Cannot call method 'hasOwnProperty' of null My SL-planner.qml looks like this: import QtQuick 2.0 import Ubuntu.Components 0.1 import QtWebKit 3.0 /*! \brief MainView with a Flickable WebView. */ MainView { // objectName for functional testing purposes (autopilot-qt5) objectName: "mainView" // Note! applicationName needs to match the "name" field of the click manifest applicationName: "com.ubuntu.developer.tomoqv.SL-planner" /* This property enables the application to change orientation when the device is rotated. The default is false. */ automaticOrientation: true width: units.gu(100) height: units.gu(75) Flickable { id: webViewFlickable anchors.fill: parent WebView { id: webView anchors.fill: parent url: "http://mobil.sl.se" } } } What am I missing?

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  • Too many Tunnel Adapter Interfaces

    - by Tomas Lycken
    If I open a command prompt on my machine and type ipconfig /all, I see lots of Tunnel adapter Local Area Connection* 9: Media state . . . . . . . . . . . . . : Media disconnected Connection-specific DNS Sufficx . . . : Description . . . . . . . . . . . . . : Microsoft 6to4 Adapter #5 Physical address. . . . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . . . : No Autoconfiguration Enabled . . . . . . : Yes In fact, they're so many that my "real" adapters are pushed out of the stack, and can't be seen anymore. Is there any flag I can use on ipconfig to hide all virtual interfaces? Or is there some other way around this problem? Since they always say "Media disconnected" I suppose disabling could be an option, but if possible I'd rather not turn any functionality off. I just want to control what output I get from ipconfig. Also, I know these are related to IPv6 stuff. However, most of what I find on google merely states what these are, and that they're harmless - nothing about hiding/removing them.

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  • Security permissions for remote shared folders

    - by Tomas Lycken
    I have two servers running Windows Server 2003, and I want copy files from one server (A), programmatically with a windows service running under the Local System account, to a shared folder on the other (B). I keep getting "access denied" errors, and I can't figure out what security settings I need to set to open the shared folder for writing. This is what I've done on the recieving end: On A, right-click on the folder to share, choose the tab "Sharing" and select "Share this folder". Set a share name. Click "Permissions", add the group "Everyone" and give it full control. I tried choosing the "Security" tab to give some permissions there as well, but the "Add" dialog only finds local users, despite the fact that B shows up in the "Workgroup computers" dialog. After further inspection, this is the case also for the "Permissions" dialog under the "Sharing" tab (are they the same?).

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  • Updating a staging server (from a CI server) in a Vagrant box with Chef

    - by Tomas Brambora
    I'm using Vagrant + Chef (chef_client provisioner) to create & provision a staging environment for my server. And I have a Jenkins job set up that is run every time I push to my 'develop' branch. In the Jenkins job, I would like to update & rebuild the source code of the server in the staging box and restart it. I have already written the cookbooks that install the dependencies, configure the db etc. But I'm not sure how to run only the update & rebuild & restart stuff from the cookbooks. I understand I could always tear down the whole box and rebuild it, but provisioning the box is a lengthy process so I would like to do that as little as possible. I split my server cookbook into 3 recipes: dependencies, db_setup and server. What I want to run in the my Jenkins job is the "server" recipe only. But I dont' understand how can I do that... If I specify the run_list on my Chef server, then I lose the ability to provision the whole box from scratch. Basically, I would like to be able to tell Vagrant from the command line what recipes Chef should run. Is that possible somehow? Cheers!

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  • How do i have 4GB of video memory with a 1GB video card?

    - by Tomas Spc Yaczik
    I ran the direct X diagnostic tool to take a look at my graphics capabilities and its telling me that the approximate video memory is clocked in at 4096MB. That doesn't make any sense, how is that possible? The only things that i can think of were that DirectX was inaccurate so i looked at the graphics statistics of my computer on CPU-Z which was included with the motherboard and that's telling me i have "negative" 1988MB. Not only is that not 4096MB, but its giving me a negative number and i know for a fact that you can't have a negative amount of memory???!!! The only things i can think of that would be amplifying my video memory output is the PCIe 3.0 bus, or that the motherboard is somehow including the on board video chip set with the video card which only then is only 2GB of video memory, which still has to be being amplified by something. Any suggestions?

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  • How do I see a history of what I've POST-ed in Google Chrome?

    - by Tomas Lycken
    I just submitted a form that included a text box, in which I had written a quite long text. In another textbox, I filled in a date in the wrong format - and instead of getting an error message, the web site just acted as if my form submission was valid, except nothing was saved. Is there any way to see the history of what has been POST-ed (in the current session, at least), from where I can recover my lost text?

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  • Hide Spotify from Windows 7 Task Bar

    - by Tomas Lycken
    When Spotify is running, it shows a little icon in the activity field. On most operative systems, closing the Spotify window minimizes the player to the activity window, freeing up space in the task bar - but not in Windows 7, it seems. I think it's a little uneccessary to have two icons in almost the same place that does almost the same thing. Is there anyway to hide a program icon from the task bar, in this case specifically Spotify?

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  • Boot time virus scan from USB drive

    - by Tomas Sedovic
    I want to check for viruses on a computer that I suspect may be infected with malware. Its users are running an antivirus, but there's always the risk that something slips past and the way I see it, once the system is infected the antivirus is useless because the malware can hide itself from the AV. I think the best way to go (besides clean reinstall of the OS) would be to have an antivirus running at a boot time from a CD or a USB key. That way, the malware is just lying on the disk and cannot do any of its hide-and-seek stuff (provided the AV comes from an uninfected PC and all that). So, I'm looking for something that: Runs at boot time (off USB key or CD-ROM) Does not touch or require the local OS Discovers malware fairly well (like, Avast, AVG, Norton, whatever -- I think the're all the same anyway) Can handle Windows filesystems (FAT 32, NTFS, WinFS ;-) ) Comes from some sort of trusted source (no Windows Antivirus 2009) I know that this is no silver bullet (nothing is, really*), but I do have a feeling it's more likely to help than doing the scan* within the infected system.

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  • kinit gives me a Kerberos ticket, but no AFS token

    - by Tomas Lycken
    I'm trying to setup access to my university's IT environment from my laptop running Ubuntu 12.04, by (mostly) following the IT-department's guides on AFS and Kerberos. I can get AFS working well enough so that I can navigate to my home folder (located in the nada.kth.se cell of AFS), and I can get Kerberos working well enough to forward tickets and authenticate me when I connect with ssh. However, I don't seem to get any AFS tokens locally, on my machine, so I can't just go to /afs/nada.kth.se/.../folder/file.txt on my machine and edit it. I can't even stand in /afs/nada.kth.se/.../folder and run ls without getting Permission denied errors. Why doesn't kinit -f [email protected] give me an AFS token? What do I need to do to get one?

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