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• Hubs/switches taking out switches?

  - by Bart Silverstrim

  Here's the issue...we have a network with a lot of Cisco switches. Someone plugged in a hub on the network, and then we started seeing "weird" behavior; errors in communication between clients and servers, or network timeouts, dropping network connections, etc. It seemed that somehow that hub (or SOHO switch) was particularly freaking out our Cisco 3700 series switches. Disconnect that hub or netgear-type SOHO switch and things settled down again. We're in the process of trying to get a centralized logging server for SNMP and management, etc., to see if we can trap errors or narrow down when someone does this sort of thing without our knowledge because things seem to work, for the most part, without issue, we just get freaky oddball incidents on particular switches that don't seem to have any explanation until we find out someone decided to take matters into their own hands to expand available ports in their room. Without getting into procedure changes or locking down ports or "in our organization they'd be fired" answers, can someone explain why adding a small switch or hub, not necessarily a SOHO router (even a dumb hub apparently caused the 3700's to freak out) sending DHCP request out, will cause issues? The boss said it's because the Cisco's are getting confused because that rogue hub/switch is bridging multiple MAC's/IP's into one port on the Cisco switches and they just choke on that, but I thought their routing tables should be able to handle multiple machines coming into the port. Anyone see that behavior before and have a clearer explanation of what's happening? I'd like to know for future troubleshooting and better understanding that just waving my hand and saying "you just can't".

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• VERR_NOT_SUPPORTED when trying to create a windows 8 image in Virtualbox

  - by Bart Burg

  I'm trying to create a Virtualbox image of windows 8 consumer preview. I tried this tutorial: http://www.addictivetips.com/windows-tips/how-to-install-windows-8-on-virtualbox/ I did exactly what was said in that tutorial. At the step "Now navigate to the Windows 8 developer build ISO file that you downloaded and select it." I get the error "Could not get the storage format. (VERR_NOT_SUPPORTED)". I also get this if I use the regular wizard. Host OS: windows 7 Virtualbox version: 4.1.16 Both windows 8 64 bit and 32 bit tested.

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• Programs minimized for long time takes long time to "wake up"

  - by bart

  I'm working in Photoshop CS6 and multiple browsers a lot. I'm not using them all at once, so sometimes some applications are minimized to taskbar for hours or days. The problem is, when I try to maximize them from the taskbar - it sometimes takes longer than starting them! Especially Photoshop feels really weird for many seconds after finally showing up, it's slow, unresponsive and even sometimes totally freezes for minute or two. It's not a hardware problem as it's been like that since always on all on my PCs. Would I also notice it after upgrading my HDD to SDD and adding RAM (my main PC holds 4 GB currently)? Could guys with powerful pcs / macs tell me - does it also happen to you? I guess OSes somehow "focus" on active software and move all the resources away from the ones that run, but are not used. Is it possible to somehow set RAM / CPU / HDD priorities or something, for let's say, Photoshop, so it won't slow down after long period of inactivity?

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• Exchange MSExchangeIS Mailbox Store Error

  - by Bart Silverstrim

  Boss asked me to check to see if I could figure out why he's had to restart the services on the Exchange server three mornings in a row now. While going through the system logs I ran across an error from the MSExchangeIs Mailbox Store, category General, Event 9690. The message said (edited to make generalized): Exchange store 'First Storage Group\Mailbox Store (Servername)': The logical size of this database (the logical size equals the physical size of the .edb file and the .stm file minus the logical free space in each) is 22GB. This database size has exceeded the size limit of 22 GB. This database will be dismounted immediately. Hmm...happened at five in the morning, and I'm thinking this is a pretty good hint that this leads to the culprit. Thing is I'm not an Exchange expert, so I'm still googling around to figure out how to fix the problem. Any better guidance out there? Or am I barking up the wrong binary tree? Exchange System Manager reports that the server is "version 6.5 build 7638.2, SP2", standard, which I believe is Exchange 2003. It's running on Windows Server 2003 R2 Standard, SP2.

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• Windows detected a hard disk failure* - what should I do?

  - by bart

  I'm using Windows 7 x64 Ultimate, I'm getting windows error popups like this one for about 3 days, multiple times a day: This Samsung SpinPoint F3 HD502HJ 500 GB is about 2 years old and I already checked it with Samsung ES Tool 3.0, did all the scans (took hours) and everything is fine! I have no malware, viruses and this started to happen after I have had some electrcity issues at my house (multiple power surges / overvolatege during the night, PC was connected, but turned off), any ideas? What other test should I perform? I believe the disk could be damaged, but then diagnostic tools should prove this, right? *in fact "Windows detected hard disk problem" but I was unable to put word "problem" within the title as well.

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• Converting An Older VMWare Image to ESXi

  - by Bart Silverstrim

  I have just installed VMWare ESXi and imported one physical machine without issue and one virtual machine, from an older version of VMWare Server on a Linux system, to it without issue. But I have another machine (Windows XP), virtual running on the VMWare Server, that I can't get the Converter to work with. Converter runs, says everything is fine, but when I go to the ESXi VSphere manager and hit the button to power up that vm, the console stays black with a blinking cursor and the processor for that VM spikes 100% and stays there. An event log item in VSphere warns something about activation issues with Windows. Has anyone else run into this issue before? Is it something with the disk controller? I copied the folder with the VM directly to the storage drive on ESXi hoping to create a new machine and point the data store to that folder or at least that drive image; nope, something about not using an IDE controller (must be something with the older format). In short, converter is doing something that particular machine doesn't like, and I can't find a way to simply open that hard disk image or convert it unless someone else has seen this. I try attaching a bootable CD image for disk repair to see if it can check the hard drive but I can't seem to get the console to boot from it...either too slow on the button or it just isn't able to easily boot from a virtual drive image (.iso). Any suggestions or help?

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• Nagios Woudn't Start, now won't Stop!

  - by Bart B

  I ran an update on a CentOS server running Nagios, after the update, Nagios failed to start. The error in the logs was: Failed to obtain lock on file /var/run/nagios.pid: Permission denied So, I checked and there was no pid file for Nagios in /var/run. I created one and gave it the following permissions: -rwxr--r-- 1 nagios nagios 6 May 31 11:58 nagios.pid Nagios then started and seems to be running normally. The only problem is, it refuses to stop now, so I can't re-start it to add new servers and services to be monitored! When I issue the command "service nagios stop", I get [FAILED], but nothing at all gets outputted to the log, and the service remains up. Any ideas on how I can get the service to stop now? I'm running the RPM version which was installed via yum from the RPMForge repositories. The server is CenotOS 5.5.

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• Lucid Lynx login issue

  - by Bart Silverstrim

  Recently upgraded from Karmic to Lynx. Upgrade seemed to go well, no noticeable issues. I logged in, and my window manager wasn't starting. An application would appear, but sans control buttons and border, so figured the windows manager needed to be given a swift kick. Opened a web browser and a quick google had me run "metacity --replace &" and everything popped up. I re-ran the Compiz configuration tool to enable my rotating desktop cube to the way I liked it, and had to reconfigure my desktop switcher to the right number of desktops (although the first time I ran it, it crashed on the panel and reloaded...odd, but once it relaunched it seemed fine.) Today I installed updates, rebooted and logged in for the second time since my upgrade. Again, the window manager was dead, and my compiz settings were gone, and the workspaces were set back to four (and when I clicked on the preferences to change them, it crashed on the panel and reloaded again). Resetting everything made things look somewhat normal again. I'm guessing it'll work until I reboot again. Googling around isn't turning up similar complaints about Lucid Lynx and the window manager. Before I go deleting preference files, anyone else know of this kind of issue and what could be done about it? Or should I start taking the stab in the dark approach of deleting preference files hoping one of them is corrupt or has something unsupported in it that's throwing LL for a loop?

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• What is your IT-department to staff ratio?

  - by Bart Silverstrim

  This is a topic that may be rather political but it related to system administration still...how many people do you have supporting your users in your IT department? We have three people supporting something near 1500 systems and around 2400 people and a recent question was raised about why we have long times to get systems replaced, repaired, work orders fulfilled, etc. along with the system admin duties of maintaining the servers (mail, proxy, filters, VOIP, wireless, backup, etc.) Does anyone have numbers on what the "best practices" average is of support people to employees in an organization? EDIT:...from some of the answers that are appearing I'm starting to feel depressed...

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• EEE PC 701/4G Surf Internal Drive: Is it really SSD?

  - by Bart Silverstrim

  I have an old EEE PC with the 4 Gig internal drive. Everything I've read keeps saying it's an SSD drive; running lshw tells me that it's an ATA disk, Silicon Motion SM. The thing seems to be rather slow, though. I know it has a 900 Mhz Celeron processor and only 512 meg of RAM, but it seems like drive access is slow even for those specs. Does anyone know if it really has an SSD drive? I thought that compared to regular hard disks SSD's were blazing fast, and this feels like and acts like it's pulling from something more akin to an internal USB memory stick.

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• Can't get PDO MySQL driver to work on PHP

  - by bart

  Trying to install Vanilla 2 locally using MAMP i got the error: "You must have the MySQL driver for PDO enabled in order for Vanilla to connect to your database". When I check phpinfo() I see: --with-pdo-mysql=shared,/Applications/MAMP/Library --with-pdo-pgsql=shared,/Applications/MAMP/Library/pg When I go and check out those paths I find the files: libpq.5.dylib libpq.dylib libpq.5.2.dylib When I check my php.ini file I see: ; Extensions extension=pdo_mysql.so In php.ini the path to the extension dir is correct (checked it manually): extension_dir = "/Applications/MAMP/bin/php5.3/lib/php/extensions/no-debug-non-zts-20090626/" In this folder I find the file: pdo_mysql.so phpinfo() gives me two sections: PDO PDO drivers: sqlite, sqlite2 and pdo_sqlite SQLite Library: 3.6.22 So everything seems to be fine, but can't get the PDO MySQL driver working :(

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• Can't get PDO MySQL driver to work on PHP

  - by bart

  Trying to install Vanilla 2 locally using MAMP i got the error: "You must have the MySQL driver for PDO enabled in order for Vanilla to connect to your database". When I check phpinfo() I see: --with-pdo-mysql=shared,/Applications/MAMP/Library --with-pdo-pgsql=shared,/Applications/MAMP/Library/pg When I go and check out those paths I find the files: libpq.5.dylib libpq.dylib libpq.5.2.dylib When I check my php.ini file I see: ; Extensions extension=pdo_mysql.so In php.ini the path to the extension dir is correct (checked it manually): extension_dir = "/Applications/MAMP/bin/php5.3/lib/php/extensions/no-debug-non-zts-20090626/" In this folder I find the file: pdo_mysql.so phpinfo() gives me two sections: PDO PDO drivers: sqlite, sqlite2 and pdo_sqlite SQLite Library: 3.6.22 So everything seems to be fine, but can't get the PDO MySQL driver working :(

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• No video signal at boot with custom built computer

  - by Bart Pelle

  After booting my custom built computer, neither the VGA nor the HDMI methods from the video card seem to emit any signal to the display. I have tested both a regular VGA screen and a modern HDMI screen. Both did not receive signal. Below are the specifications from my computer build: Intel Core i5 3350P ASRock B75 Pro 3-M Seagate Barracuda 7200.14 ST1000 DM003 1000GB Corsair Vengeance LP CML 8GX 3M2 A1600 CGB Blue (2 cards) Cooler Master B Series B600 Club 3D Radeon HD7870 XT Jokercard Samsung SH-224 BB Black Sharkoon T28 Case The motherboard does not emit any beeps on startup. The CD tray opens properly and all fans spin. All cables are properly connected. All components are new and no damage was found on any of the components. The fans on the GPU spin aswell. The VGA test we did was by using the onboard graphics from the Intel i5, but this gave no result. The HDMI test was from the GPU which did not emit any signal either. We have not been able to test out the DVI, could this be important to test, even though all the other methods did not work? Thank you for your time and hopefully reply.

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• A simple way to redirect http://mysite.com to http://mysite.com/mylink with Apache?

  - by Bart Silverstrim

  Just starting to try to get the hang of how all the directives and options work under Apache. I'd like to do a redirect with my one site (only running one site on the server) so that when a request comes in to http://mysite.com the server automatically redirects them to a sub-url of http://mysite.com/mylink. I have tried putting redirects into the file located in /etc/apache2/sites-enabled to rewrite this, but then the top level domain URL complains it isn't redirecting properly. I think what I want is a browser redirect, and thought using RewriteEngine On RewriteRule ^/$ /mylink [L,R] would work, but putting it into an .htaccess file didn't work (it redirected but immediately gave a 500 internal server error.) Putting it into the file in /etc/apache2/sites-enabled gives a configuration error when trying to restart Apache. I know it's something simple...but what am I missing?

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• batch file infinite loop when parsing file

  - by Bart

  Okay, this should be a really simple task but its proving to be more complicated than I think it should be. I'm clearly doing something wrong, and would like someone else's input. What I would like to do is parse through a file containing paths to directories and set permissions on those directories. An example line of the input file. There are several lines, all formatted the same way, with a different path to a directory. E:\stuff\Things\something else (X)\ (The file in question is generated under Cygwin using find to list all directories with "(X)" in the name. The file is then passed through unix2win to make it windows compatible. I've also tried manually creating the input file from within windows to rule out the file's creation method as the problem.) Here's where I'm stuck... I wrote the following quick and dirty batch file in Windows XP and it worked without any issues at all, but it will not work in server 2k8. Batch file code to run through the file and set permissions: FOR /F "tokens=*" %%A IN (dirlist.txt) DO echo y| cacls "%%A" /T /C /G "Domain Admins":f "Some Group":f "some-security-group":f What this is SUPPOSED to do (and does in XP) is loop through the specified file (dirlist.txt) and run cacls.exe on each directory it pulls from the file. The "echo y|" is in there to automagically confirm when cacls helpfully asks "are you sure?" for every directory in the list. Unfortunately, however, what it DOES is fall into an infinite loop. I've tried surrounding everything after "DO" with quotes, which prevents the endless loop but confuses cacls so it throws an error. Interestingly, I've tried running the code from after "DO" manually (obviously replacing the variable with the full path, copied straight from the file) at a command prompt and it runs as expected. I don't think it's the file or the loop, as adding quotes to the command to be executed prevents the loop from continuing past where it's supposed to... I really have no idea at this point. Any help would be appreciated. I have a feeling it's going to be something increadibly stupid... but I'm pulling my hair out so I thought I'd ask.

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• DHCPPloc.exe or equivalent for Windows 7?

  - by Bart B

  There seems to be some DHCP funnyness going on so I need to run something to show me what's going at a DHCP level. Before I upgraded my machine to Windows 7 I used DHCPloc.exe from the Windows XP support tools, and it worked like a charm. I can't seem to find Support Tools for Windows 7, and trying to use the XP tools in compatibility mode doesn't work (I tried, it fails to open a receiving socket). I need a tool to monitor DHCP traffic, and ideally one that lets me filter it to exclude DHCP traffic from our trusted DHCP servers and only show me un-authorised DHCP traffic.

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• Unused Index Entries: What causes them?

  - by Bart Silverstrim

  I was running chkdsk on one of our servers and it fixed 800 unused index entries (minor inconsistencies) on the drive. I also see these on lab machines running Deep Freeze, where most drive changes are supposed to be prevented although I'm not sure of the mechanism through which it does this. The thing that got me more curious than usual is that this server does very little. Very little activity, it remotely serves out a web app with little use so it's rarely ever touched at the console...so what is it on NTFS drives that causes this? It seems to be treated as if it's nothing, but should this be happening on a barely used filesystem? Is it a sign of corruption? I would think it's something if a disk repair utility sees fit to report it and repair it. Maybe this is more curiosity while doing some routine maintenance on servers, but I'd like to know what this is doing and why it happens, if anyone can give insight on this phenomena.

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• Subversion error: Repository moved permanently to please relocate

  - by Bart S.

  I've set up subversion and apache on my server. If I browse to it through my webbrowser it works fine (http://svn.host.com/reposname). However, if I do a checkout on my machine I get the following error: Command: Checkout from http://svn.host.com/reposname, revision HEAD, Fully recursive, Externals included Error: Repository moved permanently to 'http://svn.host.com/reposname/'; please relocate I checked apache's error log, but it doesn't say anything. (it does now - see edit) My repositories are stored under: /var/www/svn/repos/ My website is stored under: /var/www/vhosts/x/... Here's the conf file for the subdomain: <Location /> DAV svn SVNParentPath /var/www/svn/repos/ AuthType Basic AuthName "Authorization Realm" AuthUserFile /var/www/svn/auth/svn.htpasswd Require valid-user </Location> Authentication works fine. Does anyone know what might be causing this? -- Edit So I restarted apache (again) and tried it again and now it give me an error message, but it doesn't really help. Anyone have an idea what it means? [Wed Mar 31 23:41:55 2010] [error] [client my.ip.he.re] Could not fetch resource information. [403, #0] [Wed Mar 31 23:41:55 2010] [error] [client my.ip.he.re] (2)No such file or directory: The URI does not contain the name of a repository. [403, #190001] -- Edit 2 If I do svn info it doesn't give anything usefull: [root@eduro eduro.nl]# svn info http://svn.domain.com/repos/ Username: username Password for 'username': svn: Repository moved permanently to 'http://svn.domain.com/repos/'; please relocate I also tried doing a local checkout (svn checkout file:///var/www/svn/repos/reposname) and that works fine (also adding / commiting works fine). So it seems is has something to do with apache. Some other information: I'm running CentOs 5.3 Plesk 9.3 Subversion, version 1.6.9 (r901367) -- Edit 3 I tried moving the repositories, but it didn't make any difference. selinux is disabled so that isn't it either. -- Edit 4 Really? Nobody :(?

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• iTunes and Hulu Playback Choppy and Slow?

  - by Bart Silverstrim

  Specs: Windows XP, latest updates 1.7 ghz Pentium 4 1 gig ram DirectX 9.0c NVIDIA GeForce FX 5200 with 256 meg RAM OpenGL 2.1 The story: Okay, I had an older system laying around that I figured I would try turning into a mini-media system to connect to our TV. I put together a lot of older parts, got it into working order, etc. and hooked it up and voila'...slower, but usable system that displayed to the TV. It could run some things decently. I put in iTunes, it played video okay. Not great, but okay. Played Hulu and since we have a 1Mb download rate, the minimum for their site, there were some choppy moments when watching their shows, but I found that (sadly) changing resolution to 800x600 seemed to help with the issue when running full screen. I downloaded the application called Boxee and installed it. It wouldn't run; apparently the video card in the system supported OpenGL 1.2, and needed at least 1.4. I bought a cheap card, the 5200, with four times the memory in it and support for OpenGL 2.1. Installed, everything seemed fine. iTunes seemed to run fine, the video driver (PNY video card) came with OpenGL 2.1, and Boxee finally ran. I then upgraded to the latest drivers for the video card and ran the DirectX updater from MS. After that, the OpenGL Extension Viewer wouldn't run. It just stayed as an icon in the task bar. Also, any and all videos in iTunes stuttered and went out of sync horribly. Unwatchable. I tried watching Hulu video in Boxee, and it displayed video like it was a series of stills in a very bad powerpoint. Playing straightforward audio-only came through fine, no stutters no hiccups. I tried system restore to roll back updates to pre-directX updates (I thought that seemed to be the time that triggered the weird behavior), no joy. I tried uninstalling and reinstalling the video drivers. I installed updated audio drivers (ensoniq audiopci), nothing helped. I finally wiped the drive last night and tried reinstalling everything and restoring my iTunes content via an import from a backup. Fresh install, no updater on the video card or directx. the problem was still there although I haven't tested Hulu, the iTunes player is still stuttering like crazy if I play video, fine if I play audio. I know the processor isn't high in heft, but with one gig of RAM and the fact that it seemed to do okay before I thought that the problem must be software related. Has anyone else run into this sort of issue and have a solution other than "buy a new computer"? What specs seem to work with video at the low end for you? Right now the system is of little use other than keeping my music library and iTunes apps synced with my iPod.

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• Finding Locked Out Users

  - by Bart Silverstrim

  Active Directory up to 2008 network (our servers are a mix of 2008, 2003...) I'm looking for a quick way to query AD to find out what users are locked out, preferably from a batch or script file, to monitor for possible issues with either user accounts being attacked by an automated attack or just anomalies in the network. I've Googled and my Google-fu has failed; I found a query off Microsoft's own knowledgebase that cites a string to use on Server 2003 with the management snap-in's saved queries (http://support.microsoft.com/kb/555131) but when I entered it, the query returned 400 users that a spot-check showed did NOT have a checkmark in the "Account is locked out" box under "account." In fact, I don't see anything wrong with their accounts. Is there a simple utility (wisesoft bulkadusers apparently uses this method behind the scenes, since it's results were also wrong) that will give a count of users and possibly their user object names? Script? Something?

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• Silverlight Cream for March 06, 2011 -- #1054

  - by Dave Campbell

  In this Back from the Summit Issue, I am overloaded with posts to choose from. Submittals go first, but I'll eventually catch up... hopefully by MIX :) : Ollie Riches(-2-), Colin Eberhardt, John Papa, Jeremy Likness, Martin Krüger, Joost van Schaik, Karl Shifflett, Michael Crump, Georgi Stoyanov, Yochay Kiriaty, Page Brooks, and Deborah Kurata. Above the Fold: Silverlight: "ClassifiedCabinet: A Quick Start" Georgi Stoyanov WP7: "Easy access to WMAppManifest.xml App properties like version and title" Joost van Schaik Multiple: "Flashcards.Show Version 2 for the Desktop, Browser, and Windows Phone" Yochay Kiriaty Shoutouts: Mohamed Mosallem delivered an online session at the Second Riyadh Online Community Summit: Silverlight 4.0 with SharePoint 2010 John-Daniel Trask posted about a release of a new set of tools released for WP7 development... there's a free trial, so definitely worth a look: Mindscape Phone Elements released! From SilverlightCream.com: WP7Contrib: Trickling data to a bound collection Ollie Riches submitted a couple links... first up is this on a way they found to decrease the load on a data template in WP7 to get under the 90 mb limit and then added their solution to the WP7Contrib lib. WP7Contrib: Why we use SilverlightSerializer instead of DataContractSerializer Ollie Riches' next submittal compares the performance of the SilverlightSerializer & DataContractSerializer on the WP7 platform. MVVM Charting – Binding Multiple Series to a Visiblox Chart Colin Eberhardt sent me this post where he describes binding multiple series to a chart with no code-behind... great long multi-phase tutorial all with source. Silverlight TV 64: Dive into 64bit Support, App Model and Security John Papa has Nick Kramer of the Silverlight team up for his latest Silverlight TV episode, discussing some cool new Silverlight stuff: 64-bit support, multiple windows, etc. Building a Windows Phone 7 Application with UltraLight.mvvm Jeremy Likness has a pre-summit tutorial up on his UltraLight.mvvm project, and how he would use it to build a WP7 app... great to meet you, Jeremy! How to: Storyboard only start with the conspicuousness of the application in the browser window Martin Krüger continues his Storyboard startup solutions with this one about what to do if the Silverlight app is small or simply an island on an html page. Easy access to WMAppManifest.xml App properties like version and title Joost van Schaik posted about the WP7 manifest file and how you can get access to that information at runtime... why you ask? How about version number or title? Be sure to read the helpful hints in the last paragraph too! Mole 2010 Released Karl Shifflett, Josh Smith, and others have released the latest version of Mole... well worth the money in my opinion, if only it worked for Silverlight! (not their fault) Changing the Default Windows Phone 7 Deployment Target In Visual Studio 2010 Michael Crump points out an annoyance with the 2011 WP7 tools update... VS2010 defaults to the device rather than the emulator... and he shows us how to get it pointed back to the emulator! ClassifiedCabinet: A Quick Start Georgi Stoyanov posted a QuickStart to a 'ClassifiedCabinet' control posted on CodePlex... check out the demo first, you'll want to read the article after that. He builds a simple project from scratch using the control. Flashcards.Show Version 2 for the Desktop, Browser, and Windows Phone Yochay Kiriaty has a post up about FlashCards.Show version 2 that he worked on with Arik Poznanski and has it now running on the desktop, browser, and WP7, plus you get the source... I've been wanting to write just such an app for WP7, so hey... this saves me some time! A Simple Focus Manager for Jounce Applications Page Brooks has a post up about Jeremy Likness' Jounce... how to set focus to a particular control when a view loads. Silverlight Charting: Formatting the Axis Deborah Kurata is continuing her charting series with this one on setting axis font color and putting the text at an angle... really dresses up the chart! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Silverlight Cream for March 08, 2011 -- #1056

  - by Dave Campbell

  In this Issue: Joost van Schaik, Manas Patnaik, Kevin Hoffman, Jesse Liberty, Deborah Kurata, Dhananjay Kumar, Dennis Delimarsky, Samuel Jack, Peter Kuhn, WindowsPhoneGeek, and Jfo. Above the Fold: Silverlight: "How I let the trees grow" Peter Kuhn WP7: "Simple Windows Phone 7 / Silverlight drag/flick behavior" Joost van Schaik Shoutouts: SilverlightShow has their top 5 from last week posted, plus the ECOContest is ready to be voted on: SilverlightShow for Feb 28 - March 06, 2011 Drew DeVault is a young man involved with the Microsoft Student Insiders. He gave a WP7 presentation at RMTT and has posted his material: Post-Session: Windows Phone 7 @ RMTT Rui Marinho has an app in the ECO Contest called Forest Findr. is based on the BIng Map Control for silverlight and Sql Spatial data, and helps you find Forests and get geolocated pictures and wikipedia information, and has a post up with a bunch of info on it here: Forest Findr. my entry on the SilverlightShow EcoContest From SilverlightCream.com: Simple Windows Phone 7 / Silverlight drag/flick behavior Joost van Schaik has a behavior that makes *anything* draggable and 'flickable' in WP7 ... read the intro, scroll to the bottom to watch the demo, and then grab up the code... cool stuff, Joost! Data Aggregation Using Presentation Model in RIA and Silverlight 4 Manas Patnaik sent me a link to his blog, and it appears he's got lots of Silverlight goodness out there so you'll be hearing more about him. This first post is on the Presentation Model in RIA and Silverlight 4... good discussion, diagrams and code... good job, Manas! WP7 for iPhone and Android Developers - Advanced UI Kevin Hoffman has part 3 of an ambitious 12-part tutorial series up on WP7 development ... this go-around is concentrating on Advanced UI - Panorama/Pivot controls, DataBinding, ObservableCollections, and Converters... whew! Sterling DB on top of Isolated Storage – 2 Jesse Liberty has part 2 of his Sterling series up... this time setting up the database in App.xaml so it can be used for dealing with tombstoning. Silverlight Charting: Formatting the Tick Marks Deborah Kurata's next chart tutorial is all about showing you how to continue to dress up your charts.. this time by formatting the tick marks... if you don't know what that is... check out the first image in the post. Stored Procedure in WCF Data Service Dhananjay Kumar has a very nice tutorial up on using a stored proc with WCF Data Services... I happen to know someone working on just that at this time. If you have this in mind, here's a step-by-step guide to getting it done. Windows Phone 7 – Episode 5 – Pages Dennis Delimarsky has part 5 of his WP7 tutorial series up and is discussing Pages in this 17 minute video. Unpacking Simon Squared: My mini framework-independent animation library Samuel Jack has not only Open-Sourced the WP7 game he built and blogged about, but he's now explaining some of the structure of the game in posts such as this one about the animation library he wrote that his game is built on. How I let the trees grow Peter Kuhn shares with us the code he used for the tree animation in his ECO Contest entry. There's a lot to learn in this post about performance ... the fully-animated tree has about 20K elements... 5K branches and 20K leaves... check it out. WP7 ToastPrompt in depth WindowsPhoneGeek takes a deep dive into the ToastPrompt control in the Coding4fun Toolkit... everything you need to completely use the control including sample code. Beware the loaded event Jfo talks about another frustration point she had with WP7 development, and that is around the use of the loaded event... read these tips from someone that's been there. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• ArchBeat Link-o-Rama Top 10 for August 2012

  - by Bob Rhubart

  The Top 10 most popular items shared via the OTN ArchBeat Facebook page for the month of August 2012. Now Available: Oracle SQL Developer 3.2 (3.2.09.23) New features include APEX listener, UI enhancements, and 12c database support. The Role of Oracle VM Server for SPARC in a Virtualization Strategy In this article, Matthias Pfutzner discusses hardware, desktop, and operating system virtualization, along with various Oracle virtualization technologies, including Oracle VM Server for SPARC. How to Manually Install Flash Player Plugin to see the Oracle Enterprise Manager Performance Page | Kai Yu So, you're a DBA and you want to check the Performance page in Oracle Enterprise Manager (11g or 12c). So you click the Performance tab and… nothing. Zip. Nada. The Flash plugin is a no-show. Relax! Oracle ACE Director Kai Yu shows you what you need to do to see all the pretty colors instead of that dull grey screen. Relationally Challenged (CX - CRM - EQ/RQ/CRQ) | Chris Warticki Self-proclaimed Oracle Support "spokesmodel" Chris Chris Warticki has some advice for those interested in Customer Relationship Management: "How about we just dumb it down, strip it to the core, keep it simple and LISTEN?! No more focus groups, no more surveys, and no need to gather more data. We have plenty of that. Why not just provide the customer what they are asking for?" Free WebLogic Server Course | Middleware Magic So you want to sharpen your Oracle WebLogic Server skills, but you prefer to skip the whole classroom bit and don't want to be bothered with dealing with an instructor? No problem! Oracle ACE Rene van Wijk, a prolific Middleware Magic blogger, has information on an Oracle WebLogic course you can take on your own time, at your own pace. Oracle VM VirtualBox 4.1.20 released Oracle VM VirtualBox 4.1.20 was just released at the community and Oracle download sites, reports the Fat Bloke. This is a maintenance release containing bug fixes and stability improvements. Optimizing OLTP Oracle Database Performance using Dell Express Flash PCIe SSDs | Kai Yu Oracle ACE Director Kai Yu shares resources based on "several extensive performance studies on a single node Oracle 11g R2 database as well as a two node 11gR2 Oracle Real Application clusters (RAC) database running on Dell PowerEdge R720 servers with Dell Express Flash PCIe SSDs on Oracle Enterprise Linux 6.2 platform." Oracle ACE sessions at Oracle OpenWorld With so many great sessions at this year's event, building your Oracle OpenWorld schedule can involve making a lot of tough choices. But you'll find that the sessions led by Oracle ACEs just might be the icing on the cake for your OpenWorld experience. MySQL Update: The Cleveland MySQL Meetup (Independence, OH) Oracle MySQL team member Benjamin Wood, a MySQL engineer and five year veteran of the MySQL organization, will speak at the Cleveland MySQL Meetup event on September 12. The presentation will include a MySQL 5.5 Overview, Oracle's Roadmap for MySQL, including specifics on MySQL 5.6, best practices and how to overcome development and operational MySQL challenges, and the new MySQL commercial extensions. Click the link for time and location information. Parsing XML in Oracle Database | Martijn van der Kamp Martijn van der Kamp's post deals with processing XML in PL/SQL code and processing the data into the database. Thought for the Day "Walking on water and developing software from a specification are easy if both are frozen." — Edward V. Berard Source: SoftwareQuotes.com

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• Silverlight Cream for February 21, 2011 -- #1049

  - by Dave Campbell

  In this Issue: Rob Eisenberg(-2-), Gill Cleeren, Colin Eberhardt, Alex van Beek, Ishai Hachlili, Ollie Riches, Kevin Dockx, WindowsPhoneGeek(-2-), Jesse Liberty(-2-), and John Papa. Above the Fold: Silverlight: "Silverlight 4: Creating useful base classes for your views and viewmodels with PRISM 4" Alex van Beek WP7: "Google Sky on Windows Phone 7" Colin Eberhardt Shoutouts: My friends at SilverlightShow have their top 5 for last week posted: SilverlightShow for Feb 14 - 20, 2011 From SilverlightCream.com: Rob Eisenberg MVVMs Us with Caliburn.Micro! Rob Eisenberg chats with Carl and Richard on .NET Rocks episode 638 about Caliburn.Micro which takes Convention-over-Configuration further, utilizing naming conventions to handle a large number of data binding, validation and other action-based characteristics in your app. Two Caliburn Releases in One Day! Rob Eisenberg also announced that release candidates for both Caliburn 2.0 and Caliburn.Micro 1.0 are now available. Check out the docs and get the bits. Getting ready for Microsoft Silverlight Exam 70-506 (Part 6) Gill Cleeren has Part 6 of his series on getting ready for the Silverlight Exam up at SilverlightShow.... this time out, Gill is discussing app startup, localization, and using resource dictionaries, just to name a few things. Google Sky on Windows Phone 7 Colin Eberhardt has a very cool WP7 app described where he's using Google Sky as the tile source for Bing Maps, and then has a list of 110 Messier Objects.. interesting astronomical objects that you can look at... all with source! Silverlight 4: Creating useful base classes for your views and viewmodels with PRISM 4 Alex van Beek has some Prism4/Unity MVVM goodness up with this discussion of a login module using View and ViewModel base classes. Windows Phone 7 and WCF REST – Authentication Solutions Ishai Hachlili sent me this link to his post about WCF REST web service and authentication for WP7, and he offers up 2 solutions... from the looks of this, I'm also putting his blog on my watch list WP7Contrib: Isolated Storage Cache Provider Ollie Riches has a complete explanation and code example of using the IsolatedStorageCacheProvider in their WP7Contrib library. Using a ChannelFactory in Silverlight, part two: binary cows & new-born calves Kevin Dockx follows-up his post on Channel Factories with this part 2, expanding the knowledge-base into usin parameters and custom binding with binary encoding, both from reader suggestions. All about UriMapping in WP7 WindowsPhoneGeek has a post up about URI mappings in WP7 ... what it is, how to enable it in code behind or XAML, then using it either with a hyperlink button or via the NavigationService class... all with code. Passing WP7 Memory Consumption requirements with the Coding4Fun MemoryCounter tool WindowsPhoneGeek's latest is a tutorial on the use of the Memory Counter control from the Coding4Fun toolkit and WP7 Memory consumption. Getting Started With Linq Jesse Liberty gets into LINQ in his Episode 33 of his WP7 'From Scratch' series... looks like a good LINQ starting point, and he's going to be doing a series on it. Linq with Objects In his second post on LINQ, Jesse Liberty is looking at creating a Linq query against a collection of objects... always good stuff, Jesse! Silverlight TV Silverlight TV 62: The Silverlight 5 Triad Unplugged John Papa is joined by Sam George, Larry Olson, and Vijay Devetha (the Silverlight Triad) on this Silverlight TV episode 62 to discuss how the team works together, and hey... they're hiring! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Today's Links (6/30/2011)

  - by Bob Rhubart

  James Gosling Says He Doesn't Care About Java But here's the rest of the story: "What I really care about is the Java Virtual Machine as a concept," says Gosling, "because that is the thing that ties it all together; it's the thing that makes Java the language possible; it's the thing that makes things work on all kinds of different platforms; and it makes all kinds of languages able to coexist." Virtual Developer Day: SOA Accelerate Your Development with Oracle SOA Suite. Learn how in this FREE on-line workshop with Hands-on labs July 12th 9 am to 1:30 PM PST" July 12th 9 am to 1:30 PM PST Podcast: Toronto Architect Day Panel Discussion Part 3 (of 4) is now available, in which the panel (including Oracle ACE Director Cary Millsap and InfoQ editor and co-founder Floyd Marinescu) discusses public vs private cloud as the best strategy for small businesses and start-ups. WebLogic Weekly for June 27th, 2011 | James Bayer Bayer shares the latest resources for those with WebLogic on the brain. Griffiths Waite at Oracle Open World | Mark Simpson Oracle ACE Director Mark Simpson share information on the presentations he's scheduled to give at Oracle OpenWorld San Francisco 2011. Kscope Solid Service Bus Implementations Peter Paul van de Beek's Kscope11 presentation "is aimed at supporting architects and especially developers to choose the right integration infrastructure for a job." Migration To Java EE 6 With Spring 3 - ...Could Become "Interesting" | Adam Bien "Put simply, big data implies datasets so large they can't normally be processed using a standard transactional database," says David Dorf. "The term 'noSQL' is often used in this context as well." Book Review: "Designing With the Mind In Mind" | Abhinav Agarwal According to Abhinav Agarwal, Jeff Johnson's new book is about "the theory of how the mind perceives information, of how humans understand what they read, and how our eyes are attuned to paying attention to not just what's happening in front of us but also at the periphery of our vision." BPM 11g Advanced Workshop | Martien van den Akker Martien van den Akker shares his thoughts on both the workshop he recently attended and on the Oracle BPM 11g product. Fusion Applications - What You Need To Know: Product Families | Floyd Teter "Fusion Applications are organized into seven groups of related products called Product Families," observes Oracle ACE Director Floyd Teter. "While the product features are organized according to the Business Process Model and can cross the boundaries of product families, the product family groupings are an easy way to wrap your mind around Fusion Apps." Grid Control: Refreshing Weblogic Domains | Dave Best Dave Best shares tips for avoiding problems when using grid control to centrally manage/monitor your environment. Webcast: Oracle to Announce Datanomic Integration Plans The combination of Datanomic technology and the previous acquisition of Silver Creek Systems will deliver a complete, integrated and best-of-breed solution for Data Quality. Learn about Oracle’s strategy and product plans and how the new products acquired from Datanomic will impact your organization. July 19, 2011, 8:00am PT / 11:00am ET. Speakers include Michael Weingartner (Vice President, Product Development, Oracle), Martin Boyd (Senior Director, Product Strategy, Oracle), and Dain Hansen (Director, Product Marketing, Fusion Middleware, Oracle).

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