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• How do I install the newest Flash beta for Minefield on 64-bit Ubuntu?

  - by Øsse

  Hi, I'm using a fully updated Ubuntu 10.10 64-bit which is pretty much bog standard except I'm using Minefield from the Mozilla daily PPA in addition to Firefox as provided by Ubuntu. I want to try the newest beta of Flash (10.3 as of writing). The installation instructions simply say "drop libflashplayer.so into the plugin folder of your browser". This the 32-bit version. Currently I'm using Flash as provided by the package flashplugin-installer (ver. 10.2.152.27ubuntu0.10.10.1). Going to about:plugins in Minefield/Firefox says the version of Flash I'm running is 10.2 r152 and the file responsible is npwrapper.libflashplayer.so. I have two files with that name on my system. One is /usr/share/ubufox/plugins/npwrapper.libflashplayer.so which is a broken link to /usr/lib/flashplugin-installer/npwrapper.libflashplayer.so. The other is /var/lib/flashplugin-installer/npwrapper.libflashplayer.so (note var instead of usr). I also have a file simply called libflashplayer.so in /usr/lib/flashplugin-installer/. So it seems Firefox/Minefield gets its Flash plugin from a file that doesn't exist, and replacing libflashplayer.so with the one in the archive from Adobe has no effect. Since I want to try the 32-bit version I have to use the wrapper. The only way I know how is through the flashplugin-installer package. How would I go about installing the newest 32-bit beta Flash if possible at all? And where is "the plugin folder of my browser"?

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• Bind the windows key to Lubuntu start menu

  - by abel

  I am running Lubuntu 11.10. By default the main menu is bound to Alt+F1 (A-F1) which works. Here is the relevant code from ~/.config/openbox/lubuntu-rc.xml <keybind key="A-F1"> <action name="Execute"> <command>lxpanelctl menu</command> </action> </keybind> This works. When I hit Alt+F1, I can see the start menu. If I change the keys to "Windows key + M" (W-m), I can pull up the start menu using Win+M <keybind key="W-m"> <action name="Execute"> <command>lxpanelctl menu</command> </action> </keybind> However, I cannot bind the start menu to the Windows key alone. If I try replacing "W-m" by "W", the "W" alphabet key gets bound to the start menu. If I try "W-" nothing happens, I have tried the "Super" option too but to no avail. How can I bind the Lubuntu main menu to the windows Key? I have been through some relevant lubuntu questions, like this one, which tries to do the opposite. How do I unbind Super key from menu in Lubuntu

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• LibreOffice - Can't drag and replace images [LibreOffice 3.5 and 3.6, Ubuntu 12.04]

  - by Anderxale

  My wife uses LibreOffice to create catalogues of a couple hundred items and then converts it to PDF. Man we love LibreOffice! Anyway I set up Windows-7 and Mint-14-Mate dual boot for her to ease into Linux. Today she was ready for Ubuntu and so I did a clean install on her machine. Everything was smooth but today when she tried to work she ran into an issue... She used to be able to download a folder full of images to use in her catalogues and then update her catalogues by replacing old images with new ones. It was so simple - Open an old catalogue, save with a new date, drag and drop replace images of items that no longer exist. The drag and drop process would scale the image and then crop it horizontally or vertically to fit. Now that I have installed Ubuntu 12.04 for her she can no longer replace images, it just does nothing... If she drags the image to the left or right of the original it appears next to the original so I know d&d works, unfortunately it does not resize or crop the image. I tried this on my laptop and my desktop... same thing! I then tried updating the LibreOffice to 3.6, no change. I then tried opening a virtual machine windows xp and Mint 14 on this computer and tried with 3.6 in those operating systems and it worked. Can anyone help? I have a lot of hope that there is an answer because Mint is based on Ubuntu/Debian and that distro can perform this task successfully! Sorry about writing a book....

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• Ubuntu 11.10 - How can i stop self-feedback-loop, coming directly from my microphone to speaker?

  - by YumYumYum

  I have microphone audio, which comes instantly to my speaker. I am using default pulseaudio and alsa from the package. I have tried to setup: 1) PA /etc/pulse/default.pa /etc/asound.conf $ ls analog-input-aux.conf analog-input-fm.conf analog-input-mic.conf analog-input-tvtuner.conf analog-output-desktop-speaker.conf analog-output-mono.conf analog-input.conf analog-input-front-mic.conf analog-input-mic.conf.common analog-input-video.conf analog-output-headphones-2.conf analog-output-speaker.conf analog-input.conf.common analog-input-internal-mic.conf analog-input-mic-line.conf analog-output.conf analog-output-headphones.conf iec958-stereo-output.conf analog-input-dock-mic.conf analog-input-linein.conf analog-input-rear-mic.conf analog-output.conf.common analog-output-lfe-on-mono.conf 2) ALSA in lsmod to make sure no loopback modules are loaded etc but none is resolving it. And there are many less information available on this. Has anyone similar problem solution in Ubuntu 11.10? (this problem i have resolved in Ubuntu 11.04 by replacing the default pulseaudio version to latest source from git, but while trying the same in Ubuntu 11.10 does not worked). Any tips please?

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• Announcing Unbreakable Enterprise Kernel Release 3 for Oracle Linux

  - by Lenz Grimmer

  We are excited to announce the general availability of the Unbreakable Enterprise Kernel Release 3 for Oracle Linux 6. The Unbreakable Enterprise Kernel Release 3 (UEK R3) is Oracle's third major supported release of its heavily tested and optimized Linux kernel for Oracle Linux 6 on the x86_64 architecture. UEK R3 is based on mainline Linux version 3.8.13. Some notable highlights of this release include: Inclusion of DTrace for Linux into the kernel (no longer a separate kernel image). DTrace for Linux now supports probes for user-space statically defined tracing (USDT) in programs that have been modified to include embedded static probe points Production support for Linux containers (LXC) which were previously released as a technology preview Btrfs file system improvements (subvolume-aware quota groups, cross-subvolume reflinks, btrfs send/receive to transfer file system snapshots or incremental differences, file hole punching, hot-replacing of failed disk devices, device statistics) Improved support for Control Groups (cgroups)  The ext4 file system can now store the content of a small file inside the inode (inline_data) TCP fast open (TFO) can speed up the opening of successive TCP connections between two endpoints FUSE file system performance improvements on NUMA systems Support for the Intel Ivy Bridge (IVB) processor family Integration of the OpenFabrics Enterprise Distribution (OFED) 2.0 stack, supporting a wide range of Infinband protocols including updates to Oracle's Reliable Datagram Sockets (RDS) Numerous driver updates in close coordination with our hardware partners UEK R3 uses the same versioning model as the mainline Linux kernel version. Unlike in UEK R2 (which identifies itself as version "2.6.39", even though it is based on mainline Linux 3.0.x), "uname" returns the actual version number (3.8.13). For further details on the new features, changes and any known issues, please consult the Release Notes. The Unbreakable Enterprise Kernel Release 3 and related packages can be installed using the yum package management tool on Oracle Linux 6 Update 4 or newer, both from the Unbreakable Linux Network (ULN) and our public yum server. Please follow the installation instructions in the Release Notes for a detailed description of the steps involved. The kernel source tree will also available via the git source code revision control system from https://oss.oracle.com/git/?p=linux-uek3-3.8.git If you would like to discuss your experiences with Oracle Linux and UEK R3, we look forward to your feedback on our public Oracle Linux Forum.

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• Regular-Expressions.info Thoroughly Updated

  - by Jan Goyvaerts

  RegexBuddy 4 was released earlier this month. This is a major upgrade that significantly improves RegexBuddy’s ability to emulate the features and deficiencies of the latest versions of all the popular regex flavors as well as many past versions of these flavors. Along with that, the Regular-Expressions.info website has been thoroughly updated with new content. Both the tutorial and reference sections have been significantly expanded to cover all the features of the latest regular expression flavors. There are also new tutorial and reference subsections that explain the syntax used by replacement strings when searching and replacing with regular expressions. I’m also reviving this blog. In the coming weeks you can expect blog post that highlight the new topics on the Regular-Expressions.info website. Later on I’ll blog about more intricate regex-related issues that RegexBuddy 4 emulates but that the website doesn’t talk about or only mentions in passing. RegexBuddy 4.0.0 is aware of 574 different aspects (syntactic and behavioral differences) of 94 regular expression flavors. These numbers are surely to grow with future 4.x.x releases. While RegexBuddy juggles it all with ease, that’s far too much detail to cover in a tutorial or reference that any person would want to read. So the tutorial and reference cover the important features and behaviors, while the blog will serve the corner cases as tidbits. Subscribe to the Regex Guru RSS Feed if you don’t want to miss any articles.

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• Tidbits of goodness - Podcasts, REST, JSON

  - by jeff.x.davies

  I've been quiet for a while, busy with a variety of projects. I did want to let you all know about a couple of things going on. First, I have been participating in architectural podcasts with Bob Rhubart. If you are interested in hearing these short (about 10 minutes each) recordings where a group of us discuss enterprise architecture and its future, check out http://blogs.oracle.com/archbeat/2010/05/podcast_show_notes_evolving_en.html Next, I have been working on the public sample code for the Oracle Service Bus 11g release. I'm now expanding my samples to include SCA, BPEL and the Oracle Adapters. This is really great experience for me because I have been learning these other tools to a deeper level and this provides insight into developing better solutions. You know the old saying, "If the only tool you have is a hammer, you tend to appraoch every problem as if it were a nail." However, I'm not the only one working on these samples. We have alot of our best and brightest working on sample code for the 11g release. Take a look at https://soasamples.samplecode.oracle.com/ to see all of the samples for SOA Suite 11g A reader wrote to me and asked me about using OSB to return information in JSON format. I don't have a sample posted for this yet, but I am working on getting one packaged up. In the mean time I can tell you that it is dead simple to do in OSB. Use the instructions I gave in an earlier blog entry on creating REST services using OSB, specify Messaging Service as the service type that takes a Text message and returns a Text message. Then have the OSB proxy service return a JSON formatted string (by replacing the contents of the $body variable with the JSON text) and you're done! This approach allows you to use OSB services from within Javascript/AJAX seamlessly. As I get more samples posted to the OTN site, I'll let you know. I have lots of interesting stuff on the way.

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• precise dns problems after upgrading from lucid

  - by Jazzist

  I am having DNS problems since upgrading to Precise from Lucid yesterday. DNS sometimes works but is very slow. These problems are just like others are having but I'm wondering if someone can help as I have slightly different specifics. I have read this "I really don’t want a local resolver, how can I turn it off? To turn off dnsmasq in Network Manager, you need to edit /etc/NetworkManager/NetworkManager.conf and comment the “dns=dnsmasq” line (put a # in front of it) then do a “sudo restart network-manager”." I do not have this line to comment. Checking in Synaptic Package Manager reveals that dnsmasq isn't install (dnsmasq-base is). Editing / creating connections using network manager GUI (and specifying DNS servers) doesn't help; ubuntu is not respecting user GUI set DNS servers. Should these GUI tools not work? "I use static IP configuration, where should I put my DNS configuration? The DNS configuration for a static interface should go as “dns-nameservers”, “dns-search” and “dns-domain” entries added to the interface in /etc/network/interfaces" Are any examples of this available? My /etc/network/interfaces is extremely sparse. For now I have edited /etc/resolv.conf replacing nameserver 127.0.0.1 with that of my DNS server (my broadband router), but I don't know how long this fix will last before the file is overwritten by this new system (dnsmasq?).

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• Nautilus header bar missing -- Ubuntu Gnome 13.10 (Gnome 3.10)

  - by user75252

  So, I recently did a fresh install of Ubuntu GNOME 13.10, added the gnome3-team/gnome3-next and gnome3-team/gnome3-staging PPA's, and upgraded to Gnome 3.10. (Also using a dual-monitor system, 1920 x 1080, Nvidia-319 driver.) Everything was running fine after the updates (including Nautilus, or "Files"), but when I opened Nautilus, at some point, the header bar was gone, and it got stuck in full-screen mode. The header is there for every other application, though. I can't resize Nautilus, I can't move it with the Alt+F7 hotkey. I can, however, make the sidebar disappear with F9 and make the program close with Alt+F4. I can also bring up the window menu with Alt+space, but the options to "resize" and "move" are greyed out, and the "Move Titlebar Onscreen" does nothing when clicked. Attempted solutions: I uninstalled, ran apt-get autoremove clean autoclean, and re-installed Nautilus, including any subsequent applications that were removed -- no fix. I installed and tried replacing the titlebar theme with Ambiance via Gnome Tweak Tool to at least restore the header/title bar -- no fix. I created a new user, logged into that, and opened Nautilus. It DID open up in the windowed mode with the header bar, but then, without my involvement, went to full-screen without the header bar. Same problem. Running "sudo nautilus" from the terminal does open it (full-screen, without header), but gives this error: (nautilus:7531): Gtk-WARNING **: Failed to register client: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.gnome.SessionManager was not provided by any .service files Here's a screenshot of the complete Nautilus dialog box:

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• Cannot re-install Ubuntu 12.04 via USB (USB booting issue)

  - by Mohd Arafat Hossain

  I've read the previous questions related to my same problem regarding the USB not booting issue and have tried everything from what was replied in those post's but still no luck. I will tell you everything I have done so far (If it helps in any way...) 1) Previously I had Windows 7 running on my laptop, where I downloaded the official torrent ISO (i386 desktop) and using Unetbootin I made a bootable USB 2) Restarted the laptop with the USB connected and IT BOOTED, then I installed it on my HDD(Internal) replacing my Windows 7 3) After installing it restarted and I took some time to explore Ubuntu after the log in, then went online and followed some website for the things to do after installing Ubuntu 12.04.....and then there were errors while installing some softwares and plug-ins. The error asked me to check if i was connected to the Internet properly....while I was surfing facebook good as always on an open Firefox. The same error comes when installing Ubuntu one. 4) so I decided to re-install Ubuntu thinking I had done something wrong during the installation (I'm installing from the same USB)...and it didn't boot. I checked the boot priority and it was/is set in USB first (as always). To say in detail what happens is when I restart the USB light flashes at start, later on stops and in the screen the installed Ubuntu 12.04 loads up for me to log in (meaning it's not booting from the USB). By reading you can see that I haven't done much and I honestly didn't even touch the system settings to mess things up. As I have mentioned above I've tried everything in the previous post's in this related topic and it didn't work so I'm hoping for a new solution as a reply. Thanks in advance :) Edited: I wanted to add this I want to clean install instead of solving errors so please give a step by step guide. thanks for any help :)

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• Posting to Facebook Page using C# SDK from "offline" app

  - by James Crowley

  If you want to post to a facebook page using the Facebook Graph API and the Facebook C# SDK, from an "offline" app, there's a few steps you should be aware of. First, you need to get an access token that your windows service or app can permanently use. You can get this by visiting the following url (all on one line), replacing [ApiKey] with your applications Facebook API key. http://www.facebook.com/login.php?api_key=[ApiKey]&connect_display=popup&v=1.0 &next=http://www.facebook.com/connect/login_success.html&cancel_url=http://www.facebook.com/connect/login_failure.html &fbconnect=true&return_session=true&req_perms=publish_stream,offline_access,manage_pages&return_session=1 &sdk=joey&session_version=3 In the parameters of the URL you get redirected to, this will give you an access key. Note however, that this only gives you an access key to post to your own profile page. Next, you need to get a separate access key to post to the specific page you want to access. To do this, go to https://graph.facebook.com/[YourUserId]/accounts?access_token=[AccessTokenFromAbove] You can find your user id in the URL when you click on your profile image. On this page, you will then see a list of page IDs and corresponding access tokens for each facebook page. Using the appropriate pair, you can then use code like this: var app = new Facebook.FacebookApp(_accessToken); var parameters = new Dictionary { { "message" , promotionInfo.TagLine }, { "name" , promotionInfo.Title }, { "description" , promotionInfo.Description }, { "picture", promotionInfo.ImageUrl.ToString() }, { "caption" , promotionInfo.TargetUrl.Host }, { "link" , promotionInfo.TargetUrl.ToString() }, { "type" , "link" }, }; app.Post(_targetId + "/feed", parameters); And you're done!

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• Attempting to dual boot Ubuntu and Windows 7 on Sony Vaio with Insyde H2O BIOS

  - by zach

  My situation is the same that is addressed here Sony VAIO with Insyde H2O EFI bios will not boot into GRUB EFI and here http://www.hackourlife.com/sony-vaio-with-insyde-h2o-efi-bios-ubuntu-12-04-dual-boot I tried to install Ubuntu 12.04 from the Live CD alongside my current Windows 7. I have to switch my BIOS to legacy mode in order to boot from CD. If I were to do a normal installation and remain in legacy mode, the BIOS will display "operating system not found". If I switch back then the BIOS just boots to windows. To solve the problem, I tried following the steps in the previous two articles. My drive is partitioned as: sda1 FAT32 Location of Windows EFI files (flagged as boot in Ubuntu install) sda2 unknown sda3 NFTS Windows C: sda4 ext4 Ubuntu root sda5 swap sda6 ext4 Ubuntu home I was a little confused by the requirement in the second article to "be careful to install Grub bootloader in /dev/sda3" In my case, the relevant partition is sda1. I have tried three things: setting the sda1 mount point as /boot, as /boot/efi, and as the special reserved grub partition. In each install I indicated that grub should be installed in sda1. After each install I reboot to the live CD and look in the sda1. I see EFI/Boot and EFI/Windows, but no EFI/Ubuntu and consequently no grubx64.efi. I understand the recommended procedure of moving grubx64.efi into the EFI/Boot directory and replacing the present bootx64.efi file, but I see no grubx64.efi and I don't know where it should be.

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• Determine whether a link points to a file on local host or foreign domain [migrated]

  - by user107157

  This has been a burning question for me ever since and I think it's interesting enough to discuss it on the forums. As most will know, in websites we include anchor links, stylesheets, script files (javascript) and images. For anchor links we use the form <a href="..." /> For stylesheets we may use the form <link rel="stylesheet" type="text/css" href="..." /> For javascript we may use <script src="..." /> For images we use <img src="..." /> So, the question is this: How do we know that what is in the link pointer (i.e. replacing the ... in each example) is a local file or a foreign entity? To make it clear, lets say I create a local file named "ashish.com". Now, my purpose is to create a link so that anybody who clicks on it may download it. So, my code would be thus: <a href="ashish.com">Download It</a> But this makes it ambiguous. I could also be referring to a website named "ashish.com" So, how does the computer magically know which one I mean? Or does it even know this? What would happen in such a scenario?

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• Tips for debugging Samba performance?

  - by j-g-faustus

  Samba gives me 24 MB/s read and 44 MB/s write, while ftp gives 97 and 112 MB/s under the same circumstances. The documentation says that Generally, you should find that Samba performs similarly to ftp at raw transfer speed. In my case it clearly doesn't. Where can I find tips on how to debug Samba performance? Or alternatively tips for replacing Samba with something else? (I can't use ftp, unfortunately, as I need something that can be used with rsync/rsnapshot.) More details: Both computers are running Ubuntu 10.10 (using Samba because I have a Mac as well) The Samba share is on a local home network, mounted as $ mount ... //server.local/share/ on /mnt/share type cifs (rw,mand) Samba performance was tested by copying (cp) a single file of ~4GB to and from the share, using time for timing and calculating transfer speed by hand. ftp performance are the numbers from the ftp client for get/put of the same file. iperf gives network speed ~900 Mbits/s bonnie++ gives disk speeds 200 MB/s on both sides for block reads as well as block writes Tried changing the parameters suggested in the performance tuning HOWTO (read/write raw, read size, socket options), most of them made little to no difference. (The one that made a difference caused write speed to drop 50%.)

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• Can Foswiki be used as a distributed Redmine replacement? [closed]

  - by Tobias Kienzler

  I am quite familiar with and love using git, among other reasons due to its distributed nature. Now I'd like to set up some similarly distributed (FOSS) Project Management software with features similar to what Redmine offers, such as Issue & time tracking, milestones Gantt charts, calendar git integration, maybe some automatic linking of commits and issues Wiki (preferably with Mathjax support) Forum, news, notifications Multiple Projects However, I am looking for a solution that does not require a permanently accesible server, i.e. like in git, each user should have their own copy which can be easily synchronized with others. However it should be possible to not have a copy of every Project on every machine. Since trac uses multiple instances for multiple projects anyway, I was considering using that, but I neither know how well it adapts to simply giting the database itself (which would be be easiest way to handle the distribution due to git being used anyway), nor does it include all of Redmine's feature. After checking http://www.wikimatrix.org for Wikis with integrated tracking system and RCS support, and filtering out seemingly stale project, the choices basically boil down to Foswiki, TWiki and Ikiwiki. The latter doesn't seem to offer as many usability features, and in the TWiki vs Foswiki issue I tend to the latter. Finally, there is Fossil, which starts from the other end by attempting to replace git entirely and tracking itself. I am however not too comfortable with the thought of replacing git, and Fossil's non-SCM features don't seem to be as developed. Now before I invest too much time when someone else might already have tried this, I basically have two questions: Are there crucial features of Project Management software like Redmine that Foswiki does not provide even with all the extensions available? How to set Foswiki up to use git instead of the perl RcsLite?

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• #mvvmlight V4 update for Win8 RTM

  - by Laurent Bugnion

  With Windows 8 RTM out of the doors (at least for some of us), it was also time to create an update to MVVM Light. I selected the V4 RTM to do this (V4.0.23).This RTM version was released a few weeks ago with no much bells and whistles because I was just too busy to write much about it. Now after some vacation, I will resume blogging on all my favorite topics including of course MVVM Light. Upgrade Upgrading the installations should not require an ununistall, so try to simply run the MSI downloaded from the Download section at http://mvvmlight.codeplex.com/. Should you encounter any issue, try to uninstall the old version first following the steps at http://galasoft.ch/mvvm/cleaning/. Upgrading current apps from Win8 RP to Win8 RTM I didn’t recompile the assemblies of MVVM Light, so if you had a version running with V4.0.23 on Windows 8 RP, you should be able to use the same DLLs on Windows 8 RTM. If you were using earlier versions however, I would recommend doing an upgrade. I noticed a warning regarding the signing certificate. It is due to the PFX key which appears to be outdated after the upgrade to Windows 8 RTM. I solved this warning by replacing the old PFX key with a new one I copied from a new project. The warning did not cause the build to fail though. About MVVM Light V4 RTM The RTM is finalizing quite a lot of issues. The change log is available at http://galasoft.ch/mvvm/installing/changes/. There are some issues that are either still open or that popped up since then, and I am working on V4.1 to be released in the next few weeks. In addition to that, I have plans to support Windows Phone 8 (when it comes) and have a nice list of ideas for V5 with a few new components. Thanks again for your continuous support of MVVM Light! Laurent   Laurent Bugnion (GalaSoft) Subscribe | Twitter | Facebook | Flickr | LinkedIn

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• Please recommend a patterns book for iOS development

  - by Brett Ryan

  I've read several books on iOS development and Objective-C, however what a lot of them teach is how to work with interfaces and all contain the model inside the view controller, i.e. a UITableViewController based view will simply have an NSArray as it's model. I'm interested in what the best practices are for designing the structure of an application. Specifically I'm interested in best practices for the following: How to separate a model from the view controller. I think I know how to do this by simply replacing the NSArray style example with a specific model object, however what I do not know how to do is alert the view when the model changes. For example in .NET I would solve this by conforming to INotifyPropertyChanged and databinding, and similarly with Java I would use PropertyChangeListener. How to create a service model for my domain objects. For example I want to learn the best way to create a service for a hypothetical Widget object to manage an internal DB and also services for communicating with remote endpoints. I need to learn the best ways to do this in a way that interface components can subscribe to events such as widgetUpdated. These services should be singleton classes and some how dependency injected into model/controller objects. Books I've read so far are: Programming in Objective-C (4th Edition) Beginning iOS 5 Development: Exploring the iOS SDK The iOS 5 Developer's Cookbook: Expanded Electronic Edition: Essentials and Advanced Recipes for iOS Programmers Learn Objective-C on the Mac: For OS X and iOS I've also purchased the following updated books but not yet read them. The Core iOS 6 Developer's Cookbook (4th edition Programming in Objective-C (5th Edition) I come from a Java and C# background with 15 years experience, I understand that many of the ways I would do things in these languages may not fit to the ObjC way of developing applications. Any guidance on the topic is very much appreciated.

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• Migrating a Windows Server to Ubuntu Server to provide Samba, AFP and Roaming Profiles

  - by Dan

  I'm replacing our old Windows XP Pro office server with a HP Microserver running Ubuntu Server 12.04 LTS. I'm not a Linux expert but I can find my way around a terminal prompt, I'm a Mac user by choice. The office use a mix of Windows XP Pro machines and OSX Lion laptops. I included Samba during installation, and I'm planning on using Netatalk for the AFP and Bonjour sharing. I'd quite like to have samba make the server appear in 'My network places' on the Windows machines the way Bonjour makes it appear in finder on the Macs, if this is possible? I want to get to a point so that a user logging into Windows, gets connected to the Ubuntu server (do they need an Ubuntu user account?) which get them their shares and their Windows user profile (though a standard profile across users would do). The upshot is to make centralised control of user accounts (e.g. If a person leaves, killing their account on the server stops their Windows logon and ability to access Samba shares) and to ensure files aren't stored on the individual machines for backup/security purposes. I want to make this as simple as possible, so don't want to have loads of stuff I don't need, I just can't figure out: What I need at the server end: - will Samba be enough (already installed as part of initial installation), or will I need to cock around with LDAP (and how does this interact with Samba) - For someone of moderate Linux competence like me, is there a package that offers easy admin of user accounts, e.g. a GUI like phpLDAPadmin (if LDAP is necessary) How to configure the XP machines: - do I need to have the XP machines set up as a domain controller (I've no idea, really) - roaming profiles looks to offer the feature of putting the user's files on the server rather than the machine itself along with a profile that follows the user from machine to machine. Syncing Mac user's home folders with the server This is less of a concern because I can set up Time Machine if it comes to it, but I'd appreciate any recommendations of what approach I should take having the Mac home folders synced to the server.

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• Policy Administration is the Top 2011 IT Priority for Insurers

  - by helen.pitts(at)oracle.com

  The current issue of Insurance Networking News includes an interesting column by Novarica's Matt Josefowicz.  Recent research by the firm revealed that policy administration replacement or extension is the most common strategic IT project for insurers this year.  The article goes on to note that insurers are keenly focused on the business capabilities that can be delivered once the system is in production as well as the ability to leverage agile development methodologies and true business/IT collaboration during implementation. The results are not too surprising given that policy administration is a mission-critical system for life and annuity insurers.  As Josefowicz notes, "Core systems are called core for a reason--they are at the heart of the insurer's ability to function.  Replacing them is not to be done lightly, but failing to replace them can mean diminishing the ability to compete or function effectively as a company." Insurers can no longer rely on inflexible policy administration systems that impede their ability to rapidly configure and bring to innovative new products, add riders, support changing business processes and take advantage of market opportunities.  The ability to leverage the policy administration systems to better service customers and distribution channels by providing real-time access to policy information throughout the policy lifecycle is also critical to sustain loyalty and further fuel growth.Insurers can benefit from a modern, adaptive policy administration system, like Oracle Insurance Policy Administration for Life and Annuity.  You can learn more about the industry's most highly advanced, rules-based system, which is unmatched for its highly flexible, rules-based configurability, performance and extensibility, as well as global market industry trends by viewing a complimentary, on-demand Webcast, Adapt, Transform and Grow:  Accelerate Speed to Market with Adaptive Insurance Policy Administration.Data conversions can be a daunting process for many insurers when deciding to modernize, in particular when consolidating from multiple, disparate legacy policy administration systems to a single new platform.  Migrating from a legacy system requires a well-thought out approach that builds on the industry's best thinking from previous modernization efforts and takes data migration off the critical path by leveraging proven methodology and tools to capitalize on the new system's capabilities.  We'll discuss more about this approach in a future Oracle Insurance blog.Helen Pitts is senior product marketing manager for Oracle Insurance's life and annuities solutions.

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• Semi Fixed-timestep ported to javascript

  - by abernier

  In Gaffer's "Fix Your Timestep!" article, the author explains how to free your physics' loop from the paint one. Here is the final code, written in C: double t = 0.0; const double dt = 0.01; double currentTime = hires_time_in_seconds(); double accumulator = 0.0; State previous; State current; while ( !quit ) { double newTime = time(); double frameTime = newTime - currentTime; if ( frameTime > 0.25 ) frameTime = 0.25; // note: max frame time to avoid spiral of death currentTime = newTime; accumulator += frameTime; while ( accumulator >= dt ) { previousState = currentState; integrate( currentState, t, dt ); t += dt; accumulator -= dt; } const double alpha = accumulator / dt; State state = currentState*alpha + previousState * ( 1.0 - alpha ); render( state ); } I'm trying to implement this in JavaScript but I'm quite confused about the second while loop... Here is what I have for now (simplified): ... (function animLoop(){ ... while (accumulator >= dt) { // While? In a requestAnimation loop? Maybe if? ... } ... // render requestAnimationFrame(animLoop); // stand for the 1st while loop [OK] }()) As you can see, I'm not sure about the while loop inside the requestAnimation one... I thought replacing it with a if but I'm not sure it will be equivalent... Maybe some can help me.

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• Unattended grub configuration after kernel upgrade

  - by bouke

  Today I have been working on automatic deployment of an ubuntu server. I got stuck on automatic updating of the server using apt-get upgrade trying to upgrade to a new kernel. The log looks like this: Setting up linux-image-3.2.0-24-generic (3.2.0-24.39) ... Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst (...) Then a question is presented: Package configuration +---------------------------------¦ +---------------------------------+ ¦ A new version of /boot/grub/menu.lst is available, but the version ¦ ¦ installed currently has been locally modified. ¦ ¦ ¦ ¦ What would you like to do about menu.lst? ¦ ¦ ¦ ¦ install the package maintainer's version ¦ ¦ keep the local version currently installed ¦ ¦ show the differences between the versions ¦ ¦ show a side-by-side difference between the versions ¦ ¦ show a 3-way difference between available versions ¦ ¦ do a 3-way merge between available versions (experimental) ¦ ¦ start a new shell to examine the situation ¦ ¦ ¦ ¦ ¦ ¦ <Ok> ¦ ¦ ¦ +----------------------------------------------------------------------+ The desired outcome would be to select the first option and to continue: Replacing config file /run/grub/menu.lst with new version Updating /boot/grub/menu.lst ... done After running the upgrade by hand, I used debconf-get-selections to inspect the correct answer for the question (see other settings). It seems like update_grub_changeprompt_threeway is the question that should be answered. However, setting this using debconf-set-selections presented me with the same question: debconf-set-selections <<< "grub grub/update_grub_changeprompt_threeway select install_new" apt-get -y dist-upgrade How can this question be automated?

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• Package manager borked with gforge

  - by Leif Andersen

  I've been having a problem with the package manager. I seemed to have installed gforge, partially, but it keeps giving me errors whenever I install something. (Note that the thing I'm trying to install actually does get installed, but there is always an error returned). Here it is: Creating /etc/gforge/httpd.conf Creating /etc/gforge/httpd.secrets Creating /etc/gforge/local.inc Creating other includes invoke-rc.d: unknown initscript, /etc/init.d/postgresql-8.4 not found. dpkg: error processing gforge-db-postgresql (--configure): subprocess installed post-installation script returned error exit status 100 Errors were encountered while processing: gforge-db-postgresql E: Sub-process /usr/bin/dpkg returned an error code (1) When I try to remove it with: sudo apt-get purge gforge-common I get this: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: gforge-common* gforge-db-postgresql* 0 upgraded, 0 newly installed, 2 to remove and 9 not upgraded. 1 not fully installed or removed. After this operation, 5,853kB disk space will be freed. Do you want to continue [Y/n]? (Reading database ... 717305 files and directories currently installed.) Removing gforge-db-postgresql ... Replacing config file /etc/postgresql/8.4/main/pg_hba.conf with new version invoke-rc.d: unknown initscript, /etc/init.d/postgresql-8.4 not found. dpkg: error processing gforge-db-postgresql (--purge): subprocess installed pre-removal script returned error exit status 100 Removing gforge-common ... Purging configuration files for gforge-common ... Processing triggers for man-db ... Errors were encountered while processing: gforge-db-postgresql E: Sub-process /usr/bin/dpkg returned an error code (1) And it complains until I do a: sudo apt-get install -f At which point gforge is re-installed. I'm out of ideas, does anyone else have any other ideas with what might be wrong, and more importantly, how I can fix it? Thank you.

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• Web to Print system - which client side technology should I use

  - by mr null

  I'm getting started to develop Web to Print system. My main concern is which client-side techology should I use: jQuery/CSS Flex/ActionScript or something else? For now, idea is that user/customer choose Product eg: Business card Attributes: Dimensions,Paper type, ... etc Template or blank Adjust product (editor) Preview & order Output should be PDF 300dpi. My main issue is: adding/adjusting text in editor. (font size, font family...). Because application should be cross browser. And I think that 10px Arial can't be the same in Firefox 5 and IE 8. It must be pixel perfect in every browser. If somebody order $100 of business cards, and text is different that he/she saw when ordering - that is a big problem. So, Flash platform should be the answer. But, as I see it's dying technology, 2012 is here - HTML5 is replacing Flash rapidly. I hope that you understand me, so every guideline or few smart words would be very appreciating.

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• Is mocking for unit testing appropriate in this scenario?

  - by Vinoth Kumar

  I have written around 20 methods in Java and all of them call some web services. None of these web services are available yet. To carry on with the server side coding, I hard-coded the results that the web-service is expected to give. Can we unit test these methods? As far as I know, unit testing is mocking the input values and see how the program responds. Are mocking both input and ouput values meaningful? Edit : The answers here suggest I should be writing unit test cases. Now, how can I write it without modifying the existing code ? Consider the following sample code (hypothetical code) : public int getAge() { Service s = locate("ageservice"); // line 1 int age = s.execute(empId); // line 2 return age; // line 3 } Now How do we mock the output ? Right now , I am commenting out 'line 1' and replacing line 2 with int age= 50. Is this right ? Can anyone point me to the right way of doing it ?

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• Solaris 11 : les nouveautés vues par les équipes de développement

  - by Eric Bezille

  Translate in English  Pour ceux qui ne sont pas dans la liste de distribution de la communauté des utilisateurs Solaris francophones, voici une petite compilation de liens sur les blogs des développeurs de Solaris 11 et qui couvre en détails les nouveautés dans de multiples domaines.  Les nouveautés côté Desktop What's new on the Solaris 11 Desktop ? S11 X11: ye olde window system in today's new operating system Accessible Oracle Solaris 11 - released ! Les outils de développements Nagging As a Strategy for Better Linking: -z guidance Much Ado About Nothing: Stub Objects Using Stub Objects The Stub Proto: Not Just For Stub Objects Anymore elffile: ELF Specific File Identification Utility Le nouveau système de packaging : Image Packaging System (IPS) Replacing the Application Packaging Developer's guide IPS Self-assembly - Part 1: overlays Self Assembly - Part 2: Multiple Packages Delevering configuration La sécurité renforcée dans Solaris Completely disabling root logins in Solaris 11 Passwork (PAM) caching for Solaris su - "a la sudo" User home directory encryption with ZFS My 11 favorite Solaris 11 features (autour de la sécurité) - par Darren Moffat Exciting crypto advances with the T4 processor and Oracle Solaris 11 SPARC T4 OpenSSL Engine Solaris AESNI OpenSSL Engine for Intel Westmere Gestion et auto-correction d'incident - "Self-Healing" : Service Management Facility (SMF) & Fault Management Architecture (FMA)  Introducing SMF Layers Oracle Solaris 11 - New Fault Management Features Virtualisation : Oracle Solaris Zones These are 11 of my favorite things! (autour des zones) - par Mike Gerdts Immutable Zones on Encrypted ZFS The IPS System Repository (avec les zones) - par Tim Foster Quelques bonus de la communauté Solaris  Solaris 11 DTrace syscall Provider Changes Solaris 11 - hostmodel (Control send/receive behavior for IP packets on a multi-homed system) A Quick Tour of Oracle Solaris 11 Pour terminer, je vous engage également à consulter ce document de référence fort utile :  Transition from Oracle Solaris 10 to Oracle Solaris 11 Bonne lecture ! Translate in English 

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