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• How to move ubuntu 12.04 on another drive

  - by Maksim

  How I can move my ubuntu on another drive? I know about clonezilla but problem is that destination drive is smaller the source one. Gparted can't copy-paste partition if destination not the end last partition. I tried dpkg --selected-packages and apt-clone. First one just not install all my packages and removed existed that now I have no full unity and not my all packages. Second one just fail on configuration package. But before I did that way I copy-paste my /etc to new system. My partition table destination : gpt 1 1049kB 106MB 105MB fat32 EFI System ??????????? 2 106MB 12,1GB 12,0GB ext4 3 12,1GB 66,3GB 54,2GB ext4 source: msdos 1 1049kB 12,0GB 12,0GB primary ext4 ??????????? 2 12,0GB 492GB 480GB primary ext4 3 492GB 500GB 8107MB primary linux-swap(v1) Gpt not working with ubuntu that use grub 1.99. I don't know why but my laptop can't boot any device with uefi just black screen and ubuntu detect it on fresh install.

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• Error when installing ubuntu-zfs

  - by ubiquibacon

  I'm switching from FreeNAS to Ubuntu 12.04 LTS. After a vanilla install of Ubuntu has been completed I run the following commands in the order shown to install ZFS: apt-get install python-software-properties add-apt-repository ppa:zfs-native/stable apt-get -y -q update && apt-get -y -q upgrade apt-get install ubuntu-zfs When the last command is run ZFS is installed and seems to be working correctly... mostly (more on that later). However, when the last command is run I get this error (full log here): configure: error: *** Please make sure the kmod spl devel <kernel> package for your *** distribution is installed then try again. If that fails you *** can specify the location of the spl objects with the *** '--with-spl-obj=PATH' option. What is this error and how do I fix it? Now I said mostly earlier because my pool's don't auto mount when the server restarts the way they should. All my reading (mostly from this page) indicates that mountall should just take care of the mounting. I have followed the instructions on that page and I cannot get mountall to work correctly. My pools will only auto mount on restart if I edit /etc/fstab or change the ZFS_MOUNT and ZFS_UNMOUNT options in /etc/default/zfs.

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• How do I fix a terrible system error on ubuntu 12.04

  - by Anonymous

  I don't know what happened, but one day my computer had some sort of a system error and could no longer update itself. The software center will not open, it will begin to initialize and then a message pops up saying theres a system error and needs to shut down the software center. Then another box pops up after I go to report it saying it was unable to identify source or package name. I also can't extract a zipped folder to anything, or reinstall Ubuntu from a USB boot drive anymore, it keeps telling me my my computer isn't compatible when I know for a fact it is, because thats how I got Ubuntu on here in the first place. the only thing I know about this error is that a message popped up after I went to check for updates saying to report the problem and include this message in the report: 'E:malformed line 56 in source list /etc/apt/sources.list (dist parse)' it also called it a bug. I just want to know how to either get rid of the bug completely or find some way to be able to reinstall Ubuntu again. I know it's not a lot of information, but It's all I can give. Sorry.

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• What to do when 'dpkg --configure -a' fails with too many errors?

  - by rudivonstaden

  During an upgrade from lucid (10.04) to precise (12.04), the X session froze, and I have been trying to recover the upgrade to get a stable system. I have performed the following steps: Used ssh to log in to the stalled system over the network. Checked the contents of the /var/log/dist-upgrade directory. There was no activity on main.log, apt.log or term.log. top showed that process 'precise' was using about 3% CPU, but I could find no evidence that the upgrade process was still doing anything. 'dpkg' did not show up in top, but it came up with pgrep dpkg | xargs ps Killed the 'dpkg' and 'precise' processes Tried to recover the upgrade by running sudo fuser -vki /var/lib/dpkg/lock;sudo dpkg --configure -a. This was partially successful (some packages were configured), but failed with the message Processing was halted because there were too many errors. I ran the same command a few times, and each time some packages were configured but others failed. Tried running sudo apt-get -f install. It fails with similar errors to dpkg. The current situation is that dpkg --configure -a and sudo apt-get -f install fails with two kinds of error: Dependency issues, e.g.: dpkg: dependency problems prevent configuration of cifs-utils: cifs-utils depends on samba-common; however: Package samba-common is not configured yet. dpkg: error processing cifs-utils (--configure): dependency problems - leaving unconfigured Resource conflict, e.g.: debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable Additionally, it seems there's reference to potential boot problems, so I'm not keen to reboot without fixing the install first: dpkg: too many errors, stopping Processing triggers for initramfs-tools ... update-initramfs: Generating /boot/initrd.img-3.2.0-25-generic cryptsetup: WARNING: failed to detect canonical device of /dev/sda1 cryptsetup: WARNING: could not determine root device from /etc/fstab So my question is, how to get a working install when dpkg --configure -a fails?

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• PhysX Capsule Character Controller floating above ground

  - by Jannie

  I am using PhysX Version 3.0.2 in the simulation package I'm working on, and I've encountered some bizarre behavior with the capsule character controller. When I set the controller's height and radius to the appropriate values (r = 0.25, h = 1.86)it behaves correctly (moving along the ground, colliding with other objects, and so on) except that the capsule itself is floating above the ground. The actor will then bump his head when trying to get through a door, since the capsule is the correct height but also floating above the ground. This image should illustrate what I'm going on about: One can clearly see that the rest of the scene has their collision bodies wrapped correctly, it's just the capsule that's going wrong! The stop-gap I've implemented is creating a smaller capsule and giving it an offset, but I need to implement ray-picking for the controller next so the capsule has to surround the character model properly. Here's my character creation code (with height = 1.86f and radius = 0.25f): NxController* D3DPhysXManager::CreateCharacterController( std::string l_stdsControllerName, float l_fHeight, float l_fRadius, D3DXVECTOR3 l_v3Position ) { NxCapsuleControllerDesc l_CapsuleControllerDescription; l_CapsuleControllerDescription.height = l_fHeight; l_CapsuleControllerDescription.radius = l_fRadius; l_CapsuleControllerDescription.position.set( l_v3Position.x, l_v3Position.y, l_v3Position.z ); l_CapsuleControllerDescription.callback = &this->m_ControllerHitReport; NxController* l_pController = this->m_pControllerManager->createController( this->m_pScene, l_CapsuleControllerDescription ); this->m_pControllerMap.insert( l_ControllerValuePair( l_stdsControllerName, l_pController ) ); return l_pController; } Any help at all would be appreciated, I just can't figure this one out! P.S. I've found a couple of (rather old) threads describing the same issue, but it seems they couldn't find a solution either. Here are the links: http://forum-archive.developer.nvidia.com/index.php?showtopic=6409 http://forum-archive.developer.nvidia.com/index.php?showtopic=3272 http://www.ogre3d.org/addonforums/viewtopic.php?f=8&t=23003

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• What should be the path for storing Maildir e-mails?

  - by Thufir

  Am I storing e-mails to the correct path? Working from the dovecot-postfix package I'm able to deliver e-mails to myself as so: thufir@dur:~$ thufir@dur:~$ telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 dur.bounceme.net ESMTP Postfix (Ubuntu) HELO me 250 dur.bounceme.net mail from:<[email protected]> 250 2.1.0 Ok rcpt to:<thufir@localhost> 250 2.1.5 Ok data 354 End data with <CR><LF>.<CR><LF> subject: to evolution mail we'll see if this goes through. . 250 2.0.0 Ok: queued as 43D6F2A07C1 quit 221 2.0.0 Bye Connection closed by foreign host. thufir@dur:~$ and then here's the message: thufir@dur:~$ ll Maildir/new/ total 20 drwx------ 2 thufir thufir 4096 Nov 16 18:56 ./ drwx------ 5 thufir thufir 4096 Nov 16 18:56 ../ -rw------- 1 thufir thufir 410 Nov 16 11:57 1353095866.M305477P3932.dur,S=410,W=422 -rw------- 1 thufir thufir 424 Nov 16 17:20 1353115248.M841336P2990.dur,S=424,W=436 -rw------- 1 thufir thufir 445 Nov 16 18:56 1353121003.M187706P3838.dur,S=445,W=457 thufir@dur:~$ thufir@dur:~$ nl Maildir/new/1353121003.M187706P3838.dur\,S\=445\,W\=457 1 Return-Path: <[email protected]> 2 X-Original-To: thufir@localhost 3 Delivered-To: thufir@localhost 4 Received: from me (localhost [127.0.0.1]) 5 by dur.bounceme.net (Postfix) with SMTP id 43D6F2A07C1 6 for <thufir@localhost>; Fri, 16 Nov 2012 18:55:55 -0800 (PST) 7 subject: to evolution mail 8 Message-Id: <[email protected]> 9 Date: Fri, 16 Nov 2012 18:55:55 -0800 (PST) 10 From: [email protected] 11 we'll see if this goes through. thufir@dur:~$ Do I perhaps have postfix misconfigured? I ask because evolution seems to use a different path for mail.

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• Messaging with KnockoutJs

  - by Aligned

  MVVM Light has Messaging that helps keep View Models decoupled, isolated, and keep the separation of concerns, while allowing them to communicate with each other. This is a very helpful feature. One View Model can send off a message and if anyone is listening for it, they will react, otherwise nothing will happen. I now want to do the same with KnockoutJs View Models. Here are some links on how to do this: http://stackoverflow.com/questions/9892124/whats-the-best-way-of-linking-synchronising-view-models-in-knockout http://www.knockmeout.net/2012/05/using-ko-native-pubsub.html ~ this is a great article describing the ko.subscribable type. http://jsfiddle.net/rniemeyer/z7KgM/ ~ shows how to do the subscription https://github.com/rniemeyer/knockout-postbox will be used to help with the PubSub (described in the blog post above) through the Nuget package. http://jsfiddle.net/rniemeyer/mg3hj/ of knockout-postbox   Implementation: Use syncWith for two-way synchronization. MainVM: self.selectedElement= ko.observable().syncWith (“selectedElement”); ElementListComponentVM example: self.selectedElement= ko.observable().syncWith(“selectedElement”); ko.selectedElement.subscribe(function(){ // do something with the seletion change }); ElementVMTwo: self.selectedElement= ko.observable().syncWith (“selectedElement”); // subscribe example ko.postbox.subscribe(“changeMessage”, function(newValue){ }); // or use subscribeTo this.visible = ko.observable().subscribeTo("section", function(newValue) { // do something here }); · Use ko.toJS to avoid both sides having the same reference (see the blog post). · unsubscribeFrom should be called when the dialog is hidden or closed · Use publishOn to automatically send out messages when an observable changes o ko.observable().publishOn(“section”);

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• Broadcom Wireless Issues in Lubuntu 14.04

  - by ratxinxaxcage67

  I recently installed Lubuntu 14.04 on my parents' old laptop, and I've been having a super difficult time getting the Broadcom card up and running. I've been following this thread: Installing Broadcom Wireless Drivers ...but I'm still stuck. lspci -vnn | grep Network showed: 06:05.0 Network controller [0280]: Broadcom Corporation BCM4306 802.11b/g Wireless LAN Controller [14e4:4320] (rev 02) iwconfig showed: lo no wireless extensions. eth0 no wireless extensions. I've installed b43-firmware-installer and b43-fwcutter and also the linux-firmware-nonfree package. At boot, I keep getting a b43-phy0 error, so I tried sudo rmmod b43, and I got: rmmod: ERROR: Module b43 is not currently loaded I also tried: dmesg | grep b43 [ 17.318405] b43legacy-phy0: Broadcom 4306 WLAN found (core revision 4) [ 17.384870] b43legacy-phy0: Loading firmware b43legacy/ucode4.fw [ 18.046777] b43legacy ssb0:0: Direct firmware load failed with error -2 [ 18.046785] b43legacy ssb0:0: Falling back to user helper [ 18.047858] b43legacy-phy0 ERROR: Firmware file "b43legacy/ucode4.fw" not found or load failed. [ 18.047965] b43legacy-phy0 ERROR: You must go to http://wireless.kernel.org/en/users/Drivers/b43#devicefirmware and download the correct firmware (version 3). I went to url it told me to, but it didn't tell me to do anything I haven't already tried. Any help and/or suggestions would be greatly appreciated!

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• Brightness going up to 100% on loading certain websites in Chrome

  - by picheto

  I'm using Google Chrome version 21.0.1180.89 on Ubuntu 12.04 and my laptop is a Sony VAIO VPCCW15FL (spec sheet). My video driver is the propietary "NVIDIA accelerated graphics driver (post-release updates)(version-current updates)". After installing Ubuntu, I discovered that neither the brightness control buttons (hardware) or the brightness slider (software) worked, and found out I could get the hardware buttons to work by installing the nvidiabl.deb package and oBacklight script. I'm using nvidiabl-dkms 0.77 and oBacklight 0.3.8. Still, the slider on the Ubuntu "Settings" does not work, but I don't care. There is an annoying thing happening when loading certain pages in Google Chrome: the brightness goes up to 100% when loading the webpage or when leaving it (closing the tab or typing a different URL on the omnibox). However, the "brightness tooltip" (that default brightness notification) remembers the position it was set to, so if I adjust the brightness with the HW buttons, the level gets adjusted relative to the value it was set to before "going 100%". I disabled the flash PPAPI plugin, but left the NPAPI plugin enabled, and the problem went away for pages with flash content. Still, the same thing happens when viewing HTML5 video, or when loading, for example, the Chrome Web Store or using the Scratchpad extension. I suppose it has to do with the rendering of certain elements using the GPU, but this is just a guess. This brightness thing does not happen when using Firefox 15.0 or any other application I have used yet. Does anybody know why this may be happening and what could I do to fix this without changing browser? Thanks a lot.

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• xubuntu 12.04 screen regularly stops refreshing, refreshing resumes after un-/re-maximizing a window

  - by user68477

  My screen frequently stops completely refreshing. I can make it resume refreshing by un-maximizing/re-maximize a window or by switching workspace (the un-/re-maximizing works every time. Switching workspace sometimes has to be done a couple of times). The immediate impression is that the system is frozen: there is apparently no reaction to anything I do but interestingly window title bar will change, if I switch application with (i.e alt+tab or browse through folders) I saw an identical issue in ubuntu 10.04, though a lot less frequent, I never saw this in ubuntu 12.04 (which I have been using the last 4-5 months). After switching to Xubuntu I'm seeing this again and more frequently. The specific reason I'm not sure this is a bug: I installed gnome-control-center which dragged in tons of packages. This was while trying to fix dual-screen setup. I believe the issue surfaced after this. I later meticulously removed every package from this batch (purge) in the hope that every setting would also be removed. But the issue has persisted. Another issue happened at the same time, it may be totally unrelated but it feels as if it is the same basic issue: the screen resolution of the greeter became less than the expected 1680x1050 and often after login there's just a blank and totally unresponsive wallpaper without panel so I have to force reboot. When the login is successful it's very clear that it works hard to determine the correct resolution which is achieved after a few blink to black screens. My questions: 1) Is this a settings issue or a bug? 2) How do I begin to research the issue - could I perhaps some way reset xubuntu/xfce to default. 3) If this is a bug where would be the most appropriate place report this? System: Thinkpad T500 ati radeon HD 3650 $ fglrxinfo display: :0.0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: ATI Mobility Radeon HD 3650 OpenGL version string: 3.3.11627 Compatibility Profile Context $ uname -a Linux srvname 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux xfce 4.10 Compiz 0.9.7.8

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• Trouble Installing Codecs libx264 AND libmp3lame

  - by user10762

  I am trying to use OpenShot for movie making. My ideal situation is to encode for the web HD, 30 Frames Per Second, to YouTube. This works out great as OpenShot has a setting for this. The problem is when i go to use it I get: "The following formats/codecs are missing from your system: libx264 libmp3lame You will not be able to use the selected export profile. You will need to install the missing formats/codecs or choose a different export profile." I have tried using Synaptic Package Manager and I think I am installing the right "plugins/codecs" yet to no avail or success. I used the instructions found here to remedy: https://answers.launchpad.net/openshot/+faq/1040 I know this impacts OTHER video editing software (in other words it is not specific just to OpenShot). They give the same type of error message when i try to use their presets as well. So in a word "Help!"... Any info is much appreciated!!! PS - If you know of a BETTER way to do this (another software) that is appreciated too! :-D

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• SteamCMD can't add files to my home directory

  - by Angle O'Saxon

  I'm trying to clean up the administration of some game servers I run on a Ubuntu box, part of which has been finally setting permissions properly so I can run the Steam console tool that controls updates and such. I had been running it as root using sudo, but I changed the permissions so that I can start it as a regular user rather than root. That bit seems to work fine, but now when SteamCMD actually starts, it errors with the following output ./steam.sh: line 24: /home/angleosaxon/.steampid: Permission denied Installing breakpad exception handler for appid(steam)/version(1334262703) SteamUpdater: Error: Couldn't create directory /home/angleosaxon/Steam/package, got error 13 [ 0%] Download complete. [----] Verifying installation... unlinked 0 orphaned pipes [----] !!! Fatal Error: Steam failed to load: *SteamStartEngine(0xbfa7cfa0) failed with error 1: Failed to open logfile /home/angleosaxon/Steam/steam.log Leaving aside the question of why it wants to add this information to my home directory, why is it getting access denied errors? As I understand it, since it's being run by my account, it operates with my permissions, so it should be able to read/write from my home directory, shouldn't it? This is the command I'm using to run it: /opt/steamcmd/steam.sh "+login UserAccount \"This is not my actual password.\"" +force_install_dir $ServerDir "+app_update 215360 validate" +quit

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• libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

  - by Brandon

  libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop version, the image takes up most all the screen. On the Android phone it only takes up a bit of the screen. Here's the code (not my actual project but I isolated the problem): package com.me.mygdxgame2; import com.badlogic.gdx.*; import com.badlogic.gdx.graphics.*; import com.badlogic.gdx.graphics.Texture.TextureFilter; import com.badlogic.gdx.graphics.g2d.*; import com.badlogic.gdx.scenes.scene2d.*; public class MyGdxGame2 implements ApplicationListener { private Stage stage; public void create() { stage = new Stage(); stage.addActor(new ActorHi()); } public void render() { Gdx.gl.glClearColor(0, 1, 0, 1); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); stage.draw(); } public void dispose() {} public void resize(int width, int height) {} public void pause() {} public void resume() {} public class ActorHi extends Actor { private Sprite sprite; public ActorHi() { Texture texture = new Texture(Gdx.files.internal("data/hi.png")); texture.setFilter(TextureFilter.Linear, TextureFilter.Linear); sprite = new Sprite(new TextureRegion(texture, 0, 0, 128, 128)); sprite.setBounds(0, 0, 300.0f, 300.0f); } public void draw(SpriteBatch batch, float parentAlpha) { sprite.draw(batch); } } } hi.png is included in the above link Thank you very much for answering my question. I've spent 3 days trying to figure it out.

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• Microsoft is Top Pick for ALM

  - by Arkham

  Investigating the market for a new software product can be a daunting task. Sometimes it’s difficult to even uncover all of the players. There’s no shortage of rhetoric on each vendor’s web site, but how can today’s CTO get objective information about how a software package ranks against it’s peers in a given space? Every year, Gartner releases what they call a Magic Quadrant report evaluating various products in a given space. This past week, Gartner released their analysis of products in the Application Lifecycle Management (ALM) arena. It is very exciting to see us in the top spot as a thought leader and for our ability to execute. If you are interested in ALM, you can read through an entire reprint of the report here. There’s plenty of new competitors listed and some of the existing competitors have shifted quite a bit. And this comes prior to the release of Team Foundation Server 2012! I suppose with all of the new features in 2012, they could just add another square to the upper-right. It’s beyond awesome! It’s be-awesome!

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• Login takes very long, annoying repaints once a minute when logged in: How to troubleshoot?

  - by user946850

  I am suffering from a strange problem with my Gnome Shell in Ubuntu 12.10. The login takes very long ( 30 sec), with a blank screen. In Google Chrome and Thunderbird (and perhaps in other applications), the main window freezes and is repainted in periodic intervals of less than one minute. The freeze takes several seconds, and it seems that font and appearance of, e.g., tabs and buttons briefly changes. Attempting to enable the second monitor show an error message related to XRANDR. Everything seems to have started three days ago, after I had to force-shutdown the machine while it was hibernating due to low power. (It was hibernating for quite a while and didn't want to stop.) Silly me. I have tried the following measures, with no avail: Checked all package file md5 hashes using debsums Reinstalled all packages using a variant of dpkg --get-selection \* | xargs apt-get install -reinstall Temporarily moved configuration directories such as .gconf, .config and .gnome2 to another location Created a new user account When I choose "Ubuntu" during login, the problems disappear. I am sort of frustrated that reinstalling all packages didn't fix the issue. How to troubleshoot this Gnome Shell (?) problem, short of reinstalling the system? (Or did anyone see this kind of behavior on their machine?)

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• Kubuntu apt-get -f install error

  - by ShaggyInjun

  I am seeing an error while running apt-get -f install. Can somebody help me out .. venkat@ubuntu:~/Downloads$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libjack-jackd2-0 Suggested packages: jackd2 The following packages will be upgraded: libjack-jackd2-0 1 upgraded, 0 newly installed, 0 to remove and 256 not upgraded. 109 not fully installed or removed. Need to get 0 B/197 kB of archives. After this operation, 3,072 B of additional disk space will be used. Do you want to continue [Y/n]? Y (Reading database ... 274641 files and directories currently installed.) Preparing to replace libjack-jackd2-0 1.9.8~dfsg.1-1ubuntu1 (using .../libjack-jackd2- 0_1.9.8~dfsg.2-1precise1_amd64.deb) ... Unpacking replacement libjack-jackd2-0 ... dpkg: error processing /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2- 1precise1_amd64.deb (--unpack): './usr/share/doc/libjack-jackd2-0/buildinfo.gz' is different from the same file on the system dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1)

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• How to unit test models in MVC / MVR app?

  - by BBnyc

  I'm building a node.js web app and am trying to do so for the first time in a test driven fashion. I'm using nodeunit for testing, which I find allows me to write tests quickly and painlessly. In this particular app, the heavy lifting primarily involves translating SQL data into complex Javascript object and serving them to the front-end via json. Likewise, the app also spends a great deal of code validating and translating complex, multidimensional Javascript objects it receives from the front-end into SQL rows. Hence I have used a fat model design for the app -- most of the real code resides in the models, where the data translation happens. What's the best approach to test such models with unit tests? I mean in particular the methods that have create javascript objects from the SQL rows and serve them to the front-end. Right now what I'm doing is making particular requests of my models with the unit tests and checking the returned data for all of the fields that should be there. However I have a suspicion that this is not the most robust kind of testing I could be doing. My current testing design also means I have to package my app code with some dummy data so that my tests can anticipate the kind of data that the app should be returning when tests run.

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• JAVA Gui on Hello World [closed]

  - by user58892

  I am designing, implementing, testing, and debuging a GUI-based version of a “Hello, World!” program in a JFrame that includes a JLabel that reads “Hello, World!” and I am trying to use a layout manager, and an Exit button to close the program. Here's what I have so far, I would really apreciate if you could help on it syntax. I am 90% done but tried hard and it couldn't run. import java.awt.*; // Needed for flow layout manager import javax.swing.*; //All swing components live in the javax.swing package import javax.swing.JButton; //to recognize buttons import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class HelloWorld { public static void main(String[] args) { //creates the label. The JLabel constructor //takes an optional argument which set the text of the label /* The text will be aligned with the center of the frame * otherwise it will align on the left. */ JLabel label= new JLabel("Hello World!"); new FlowWindow(); label.setHorizontalAlignment (SwingConstants.CENTER); JFrame frame = new JFrame("Hello"); //create exit button JButton button1 = new JButton("Exit"); //Add exit button to the content pane. add(button1); frame.add(label); frame.setSize(300, 300); frame.setVisible(true); frame.setLocationRelativeTo(null); frame.toFront(); } public static void FlowWindow() { //Add a new FlowLayout()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }

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• Unable to free space in /boot

  - by wadesworld

  Running: Linux ips-svf-1 3.0.0-22-server #36-Ubuntu SMP Tue Jun 12 17:56:20 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux I'm trying to free space in /boot with apt-get -y purge, but every time I run the command I get an error about unmet dependencies: sudo apt-get -y purge linux-headers-3.0.0-12 Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: linux-headers-3.0.0-12-server : Depends: linux-headers-3.0.0-12 but it is not going to be installed linux-image-server : Depends: linux-image-3.0.0-26-server but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). However, I can't run apt-get -f install since /boot is full. I also tried running dpkg --purge and dpkg --remove manually, but both give the same unmet dependency error. Any suggestions on how I can successfully free space in /boot? Is there anything I can delete with rm?

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• Best practices in versioning

  - by Gerenuk

  I develop some scripts for data analysis in a small team. For the moment we use SVN, but not in a very structured way. We haven't even looked how to use branches even though we need this functionality. What do you suggest as the best practice to setup the following system: two code bases (core and plugins) versions can be incompatible to previous scripts sometimes individual features are being developed and not yet finished, while other fixes have to be done urgently to the code In the end we don't deliver the code as a package, but rather place the Python scripts in some directory (with version names?). Some other python script which serves as a configuration choses the desired version, sets the path to these libraries and then starts to import the modules. I saw stable releases to be named "trunk" so I did the same. However, no version numbers yet. Core and plugins are different repositories, however we have to match versions for compatibility. Can you suggest some best practices or reference to ease development and reduce chaos? :) Some suggested GIT. I haven't heard about it, but I'm free to change.

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• Is version history really sacred or is it better to rebase?

  - by dukeofgaming

  I've always agreed with Mercurial's mantra, however, now that Mercurial comes bundled with the rebase extension and it is a popular practice in git, I'm wondering if it could really be regarded as a "bad practice", or at least bad enough to avoid using. In any case, I'm aware of rebasing being dangerous after pushing. OTOH, I see the point of trying to package 5 commits in a single one to make it look niftier (specially at in a production branch), however, personally I think would be better to be able to see partial commits to a feature where some experimentation is done, even if it is not as nifty, but seeing something like "Tried to do it way X but it is not as optimal as Y after all, doing it Z taking Y as base" would IMHO have good value to those studying the codebase and follow the developers train of thought. My very opinionated (as in dumb, visceral, biased) point of view is that programmers like rebase to hide mistakes... and I don't think this is good for the project at all. So my question is: have you really found valuable to have such "organic commits" (i.e. untampered history) in practice?, or conversely, do you prefer to run into nifty well-packed commits and disregard the programmers' experimentation process?; whichever one you chose, why does that work for you? (having other team members to keep history, or alternatively, rebasing it).

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• Is it appropriate to run a complex enterprise-system configuration and migration project in a similar way to a Scrum development project?

  - by AndyM

  I'm just starting out on the implementation of a large enterprise-wide system, which has complex requirements and many stakeholders. The company has been through high-level evaluation and tender process and determined to purchase a highly configurable "off-the-shelf" product rather than building an entirely bespoke system. The system will replace several existing systems and will require a significant amount of data migration. I'm thinking that the implementation of this system (which is expected to take over 2 years) could be run in a similar way to a Scrum software development project. With the first sprints targeted at building the minimal possible functionality needed (across all functional areas), and then iteratively deepening the level of functionality according the stakeholder feedback. I think this will de-risk the project and help ensure a balance of stakeholder needs within the available time. The user stories are still the same, it's just that to implement them we have work within the constraints of the pre-purchased system. When it comes to 'building stuff', instead of writing custom code the team will be configuring the off-the-shelf package, writing data conversion scripts and the like (and it should be a lot quicker!). Does this sound like a sensible approach? Does the Agile approach makes sense here?

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• Weird bug in Visual Studio 11 Beta when running on Windows 8

  - by raccoon_tim

  With the Windows 8 Consumer Preview version out in the open and the Visual Studio 11 Beta also available, I’ve been putting some more effort into trying them both out. The first impression of the new Visual Studio 11 build was: Why doesn’t it work at all on Windows 8?! The issues I encountered were odd to say the least. Visual Studio did install correctly, which was a good sign, but when I started it, I was greeted with a multitude of popups each telling me that some package could not be loaded. So I clicked away for quite some time to finally be greeted by the new default visual style of Visual Studio. The next thing I wanted to do was start a new project so I pressed “New Project” and got the “Microsoft.VisualStudio.Dialogs.DialogInitializationException” exception. After some pondering and even submitting a bug report I found another already reported bug “http://connect.microsoft.com/VisualStudio/feedback/details/727578/vs-do-not-work-with-finnish-number-format-on-w8-64-bit”. It turns out that the dialog initialization failure has something to do with the packages no being loaded and following the presented workaround helped. The trick is to change the negative number sign to “-“ (U+002D) from the additional settings of your regional settings. This issue appears to have a wider reach than just Visual Studio as I heard at TechDays Finland 2012 that the same fix has to be made when using Hyper-V.

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• How do I install the Firestorm viewer for Second Life?

  - by Cordenne

  I am new to Ubuntu and trying to set everything up. I am VERY bad at doing that at the moment. In fact, I asked another question here only a few hours ago. Anyways, I am trying to get the Firestorm Viewer for Second Life. I followed instruction given here: http://michaelferrie.blogspot.com/2012_04_01_archive.html and came up with these end results: cordenne@ubuntu:~$ sudo apt-get install ia32-libs [sudo] password for cordenne: Reading package lists... Done Building dependency tree Reading state information... Done ia32-libs is already the newest version. The following packages were automatically installed and are no longer required: libnspr4-0d:i386 libgconf2-4:i386 libnss3-1d:i386 Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 7 not upgraded. cordenne@ubuntu:~$ '/home/cordenne/install.sh' You are not running as a privileged user, so you will only be able to install the Firestorm Viewer in your home directory. If you would like to install the Firestorm Viewer system-wide, please run this script as the root user, or with the 'sudo' command. Proceed with the installation? [Y/N]: Y - Installing to /home/cordenne/firestorm cp: cannot copy a directory, `/home/cordenne/firestorm', into itself, `/home/cordenne/firestorm/firestorm' Failed cordenne@ubuntu:~$ cordenne@ubuntu:~$ So, still no Firestorm. Can anyone help. PS: When it said - Installing to /home/cordenne/firestorm I felt it was talking to long to... I guess do anything so I pressed 'Enter'. I don't know if that made a difference but if it does, now you know!

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• Oracle University Partner Enablement Update (27th June)

  - by swalker

  Normal 0 false false false EN-GB X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:none; mso-hyphenate:none; text-autospace:ideograph-other; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} How do you best underline your SQL skills? Are you an experienced SQL programmer eager to achieve certification? Oracle University just made it easier for you to pass your Oracle Database SQL Expert exam. Take a look at the new Training On Demand SQL Exam Preparation Seminar Value Package. For more information, assistance and bookings contact your local Oracle University Service Desk

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