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• Changing default gateway on workstations connected to Windows Domain SBS server

  - by Gary B2312321321

  We have xp workstations connected onto a small business server acting as active directory/isa firewall/proxy (no dhcp). Is there a reason that after installing a 2nd firewall on the network (same subnet etc), that changing the default gateway on the workstations isnt sufficient to route inet traffic through the new firewall? A freshly setup linux box connects straight on to the alternate firewall with just ip, default gateway. dns settings. Will having ISA still active on the network confuse the process? Are there further config settings deeper down in windows that need attention? Any ideas pointers on this would be appreciated? Other info: Firewalls tried: Smoothwall and Ipcop; small ethernet netwoork 40 pcs; can ping to new firwalls from workstations; activating web proxy on new firewall and reconfiguring workstation browser works fine; Point of 2nd firewall is lack of some necessary features on ISA for a linux app; Would be nice to have some redundancy to though

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• Is there a Linux distro that will easily run "embedded style" on a Raspberry Pi?

  - by Dan Harper

  I need a Linux distro that will give me the following: Run on a Raspberry Pi Can reliably survive power loss (like via a read-only filesystem) I've been able to hunt down some documentation on how to change a regular Linux distro over to read-only mode. I was hoping that there would be a distro already built that was designed to run in an embedded environment. I don't need many packages or drivers, just enough to have the Pi working with USB/Ethernet. I don't need any GUI interface or anything, this will just be running a custom service built in C. Does anyone know of a distro that would fit?

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• CPU Usage at 100% with "Hardware Interrupts"

  - by eventualEntropy

  After turning on my desktop one day, I found that my CPU usage was maxed out at 100%, with 99% of that going to hardware "Interrupts". I tried to enable/disable all my devices one by one through the device manager, and found that I could get the CPU usage used by the Interrupts down to 50% by disabling all devices labelled "USB Host Controller" (except the ones for the mouse/keyboard). I found that I also got 10-20% more from disabling "High Definition Audio Controller". Following the tutorial at: http://www.msfn.org/board/topic/140263-how-to-get-the-cause-of-high-cpu-usage-by-dpc-interrupt/ Led me to similar conclusions (that is, that the culprit is mostly "USB Host Controller"): I've tried updating my asus motherboard driver and my video card driver. This is on Windows 7 64 bit. I've spent hours trying to figure this out and I'm running out of ideas short of formatting (which might still not fix it!).

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• Continuous Physics Engine's Collision Detection Techniques

  - by Griffin

  I'm working on a purely continuous physics engine, and I need to choose algorithms for broad and narrow phase collision detection. "Purely continuous" means I never do intersection tests, but instead want to find ways to catch every collision before it happens, and put each into "planned collisions" stack that is ordered by TOI. Broad Phase The only continuous broad-phase method I can think of is encasing each body in a circle and testing if each circle will ever overlap another. This seems horribly inefficient however, and lacks any culling. I have no idea what continuous analogs might exist for today's discrete collision culling methods such as quad-trees either. How might I go about preventing inappropriate and pointless broad test's such as a discrete engine does? Narrow Phase I've managed to adapt the narrow SAT to a continuous check rather than discrete, but I'm sure there's other better algorithms out there in papers or sites you guys might have come across. What various fast or accurate algorithm's do you suggest I use and what are the advantages / disatvantages of each? Final Note: I say techniques and not algorithms because I have not yet decided on how I will store different polygons which might be concave, convex, round, or even have holes. I plan to make a decision on this based on what the algorithm requires (for instance if I choose an algorithm that breaks down a polygon into triangles or convex shapes I will simply store the polygon data in this form).

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• Linux software raid robustness

  - by Waxhead

  I have a 4 disk 5TB raid5 setup where a disk is showing signs of going down the drain. It is reporting media errors and from dmesg I can see that several read errors are corrected. smartctl does report "notifications" but no panic so far. Since new disks are rather expensive at the moment I am starting to pondering exactly how robust the linux md layer is. I would appreciate if someone could shed some light on how md actually deals with disk errors. For example how does md deal with write and read errors - what does it (really) take for disk to be rejected from an array. I also read that recently md got support for mapping out bad blocks. Does this mean that the read errors I've had would have been mapped out if I where running kernel 3.1 or would md still try to "work on them" to make them usable.

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• SRs @ Oracle: How do I License Thee?

  - by [email protected]

  With the release of the new Sun Ray product last week comes the advent of a different software licensing model. Where Sun had initially taken the approach of '1 desktop device = one license', we later changed things to be '1 concurrent connection to the server software = one license', and while there were ways to tell how many connections there were at a time, it wasn't the easiest thing to do.  And, when should you measure concurrency?  At your busiest time, of course... but when might that be?  9:00 Monday morning this week might yield a different result than 9:00 Monday morning last week.In the acquisition of this desktop virtualization product suite Oracle has changed things to be, in typical Oracle fashion, simpler.  There are now two choices for customers around licensing: Named User licenses and Per Device licenses.Here's how they work, and some examples:The Rules1) A Sun Ray device, and PC running the Desktop Access Client (DAC), are both considered unique devices.OR, 2) Any user running a session on either a Sun Ray or an DAC is still just one user.So, you have a choice of path to go down.Some Examples:Here are 6 use cases I can think of right now that will help you choose the Oracle server software licensing model that is right for your business:Case 1If I have 100 Sun Rays for 100 users, and 20 of them use DAC at home that is 100 user licenses.If I have 100 Sun Rays for 100 users, and 20 of them use DAC at home that is 120 device licenses.Two cases using the same metrics - different licensing models and therefore different results.Case 2If I have 100 Sun Rays for 200 users, and 20 of them use DAC at home that is 200 user licenses.If I have 100 Sun Rays for 200 users, and 20 of them use DAC at home that is 120 device licenses.Same metrics - very different results.Case 3If I have 100 Sun Rays for 50 users, and 20 of them use DAC at home that is 50 user licenses.If I have 100 Sun Rays for 50 users, and 20 of them use DAC at home that is 120 device licenses.Same metrics - but again - very different results.Based on the way your business operates you should be able to see which of the two licensing models is most advantageous to you.Got questions?  I'll try to help.(Thanks to Brad Lackey for the clarifications!)

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• Replication with SQL Server 2005 Express Edition and SQL Compact Edition 3.5

  - by Andy Gable

  hi all, I need some information on SQL Server 2005 Express edition. What I want to do is have my central database servin local machine databases IE back office Cental database |------------------- Shop floor Terminal 1 |------------------- Shop Floor Terminal 2 |------------------- Shop Floor Terminal 3 |------------------- Shop Floor Terminal 4 |------------------- Shop Floor Terminal 5 |------------------- Shop Floor Terminal 6 I want is so that Shop floor terminals would PULL down ANY changes to the database as and when they happen (selected changes are needed change would be Add new item / Edit Item info that is used by Shop floor terminal (ie price, description, sale group) Is this possible with SQL 2005? I have the ability to make my own Sync Applciation but I would need to know what to look for in the database that trigers a update Many thanks for any advice you can give Andy

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• What are good values for PSU voltages?

  - by earlz

  Hello, I have an odd computer I'm trying to fix that will crash only during the setup of an OS(crashes on every OS I've tried so far) It's not overheating and it is stripped down as much as possible and I've tried multiple harddrives, and memtest86+ can run on it for 3 hours without a crash or fail. So, I was a bit stumped and was looking in the BIOS for possible causes and found a hardware monitor that shows PSU voltages. They are: VCORE: 1.432V 3.3V: 3.136V 5V: 5.273 12V: 12.144V I thought the 3.3V looked a little low, but I'm not really sure on how "bad" that is. So, what are the good ranges for the voltages on each CPU rail?

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• How do I make some files on my machine accessible via HTTP using Apache?

  - by Lazer

  I did a wget on the source and built the apache binaries correctly. Now what do I need to do to get some documents accessible using HTTP (start some services?)? Also, do I need to group all the files I want to make accessible in some directory and make the directory and its contents accessible or can I just make the individual documents available? I will be providing these links to my colleagues and do not want them to be down, so need to make sure that the apache services are up automatically after a reboot. Does apache have some inbuilt support for this?

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• guvciew/youtube problem

  - by Anonymous

  I'm fairly new to Linux. Running on 12.10 Ubuntu. I've been running into some problems recording videos. Cheese crashes (as I've read from other users), YouTube will not allow me to select Allow (flash in Chrome and in Firefox). I managed to get 1 video uploaded from my cam and it worked about half the time, cut the audio off, lagged, etc. My computer is fine 4gigs, 32-bit i5 so it shouldn't be a problem. Now onto guv, I managed to get 1 video to work and after that every video I save it comes up with an orange file that looks like a film. I tried to change the file name, open in VLC, everything. I love Ubuntu and I'm never going back to Windows, ever One other thing to note is I am allowed to click "allowed" in Tiny chat. I even went to the adobe website to allow everything to bypass allow, deny option and nothing. Even went out of my way to add youtube/upload/cam for it to allow it and nothing. I realize right now Flash has been terrible for the past couple of months (especially in Chrome). What my question is well first and foremost, how do I fix this, if possible? I've thought about running Wine but I haven't heard anything good about it and I've already re reformated Ubuntu twice. Is there a codec pack I need too? Like I said everything works fine, especially in Chrome. It allows me to broadcast, no lag, and my mic works fine. guv would be my best option at this point because everything I've tried has given me nothing but trouble Thanks and I hope you guys can give me an answer. I've been at this for 2-3 days straight now. I could even go out of my way to not use Youtube and use something similar if it came down to it.

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• Crowdsourcing MVVM Light Toolkit support

  - by Laurent Bugnion

  Considering the number of emails that are sent to me asking for support for MVVM Light toolkit, I find myself unable to answer all of them in sufficient time to make me feel good. In consequence, I started to send the following message in response to support queries, either per email or on the MVVM Light Codeplex discussion page. Hi, I am doing my best to answer all the questions as fast as possible. I receive a lot of them, however, and cannot reply to everyone fast enough to make me happy. Due to this, I would like to encourage you to post your question on StackOverflow, and tag it with the tag mvvm-light. StackOverflow is an awesome site where tons of developers help others with their technical question. http://stackoverflow.com/questions/tagged/mvvm-light I will monitor this tag on the StackOverflow website and do my best to answer questions. The advantage of StackOverflow over the Codeplex discussion is the sheer number of qualified developers able to help you with your questions, the visibility of the question itself, and the whole StackOverflow infrastructure (reputation, up- or down-vote, comments, etc) Thanks! Laurent Bug reports Regarding bug reports, feel free to continue to send them to the Codeplex site (preferred), or to me directly. I hope that this will help all support queries to be answered faster, and with the great quality for which the StackOverflow users are known!   Laurent Bugnion (GalaSoft) Subscribe | Twitter | Facebook | Flickr | LinkedIn

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• How to get IIS7 to release a locked file?

  - by Jarrod Dixon

  During our production builds, a very large (10 megabyte) static content file in the root directory will sometimes be locked by IIS and cannot be deleted by the clean task. This is presumably because it is being actively served to one or more clients at the time. The build process stops the website before cleaning via c:\Windows\System32\inetsrv\appcmd.exe stop site http://oursite.com However, this does not release the file - we have to restart IIS to get the process to relinquish its lock. appcmd.exe allows you to take IIS down completely; we do not want to do this! Are there any other ways to get IIS to let go of a locked file, without restarting IIS? Simply stopping and starting the individual website is definitely not working to release the file lock.

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• Creating an OS X Mountain Lion 10.8 OpenDIrectory database with a specific domain in mind

  - by whardier

  Mountain Lion Server has been one of the most infuriating things ever recently. Above and beyond tons of crashing I've been completely unable to do the following in a way that makes sense to both me and Apple. Name your server srv01.myoffice.domain.com Create an OpenDirectory database as a Master from scratch as dc=domain,dc=com I can rename my server temporarily (taking down vital services in the process due to the automagicliciousness) and create a new profile, however when I switch back to the original domain name the default search base for server related authentication magic is now dc=srv01,dc=myoffice,dc=domain,dc=com. I've tried everything I can think of including using slapconfig backupdb/restoredb and slaving the server off of another then promoting it. This seems rather silly and Apple shows no response to many requests to resolve this. Does anybody out there have the magic to have OpenDirectory work as it should.. being able to give it any domain you want and then having all vital services operate correctly.

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• windowsupdate troubles on windowsxp after april 2014, plus an explorer error message

  - by sigma4500

  I've spent the last couple of days trying to install windows xp from a cd onto my desktop. The installtion is successful, and I can activate windows, but cannot run windows update. The error I receive from windows update is: Error number: 0x80240036 I understand that after april 2014 microsoft is no longer developing new patches, but I have presumed that customers would continue to have access to all the patches that where made up to this date. How can I install these patches? Is this possible? As mentioned, I can install windows and activate, but cannot run windowsupdate (Error number: 0x80240036). Seperately, there is an error with a windows explorer pull down menu (item) that asks: Is this copy of windows legal? How can I get rid of this message? I am not running a pirated, or illegal copy of windows and this message should not be there. I want continue running windows xp without windows update, but I need to get rid of this windows explorer error message.

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• Inexpensive Remote Assistance software?

  - by Jess

  Any recommendations for Remote Assistance software that does not require firewall modification for clients? To assist client with software problems and perform training, we currently use a tool called Remote Helpdesk to connect to their computers and guide them through the process. This tool was pretty cheap (~$400 onetime for 3 support staff), and worked great - the client's PC actually initiates the connection to us, so there's never any firewall issues (vs. Remote Desktop, VNC software, or many other similar tools). Unfortunately, the product doesn't work well with 64-bit O/S's and Vista in general (slows down by a factor of 10 or so). I am looking for alternatives that provide the same reverse connection capabilities to avoid firewall issues. The only solution I've found is WebEx's Remote Support, which is WAY too expensive ($449/month for us). Thanks for all the assistance!

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• Re-running SSRS subscription jobs that have failed

  - by Rob Farley

  Sometimes, an SSRS subscription for some reason. It can be annoying, particularly as the appropriate response can be hard to see immediately. There may be a long list of jobs that failed one morning if a Mail Server is down, and trying to work out a way of running each one again can be painful. It’s almost an argument for using shared schedules a lot, but the problem with this is that there are bound to be other things on that shared schedule that you wouldn’t want to be re-run. Luckily, there’s a table in the ReportServer database called dbo.Subscriptions, which is where LastStatus of the Subscription is stored. Having found the subscriptions that you’re interested in, finding the SQL Agent Jobs that correspond to them can be frustrating. Luckily, the jobstep command contains the subscriptionid, so it’s possible to look them up based on that. And of course, once the jobs have been found, they can be executed easily enough. In this example, I produce a list of the commands to run the jobs. I can copy the results out and execute them. select 'exec sp_start_job @job_name = ''' + cast(j.name as varchar(40)) + '''' from msdb.dbo.sysjobs j  join  msdb.dbo.sysjobsteps js on js.job_id = j.job_id join  [ReportServer].[dbo].[Subscriptions] s  on js.command like '%' + cast(s.subscriptionid as varchar(40)) + '%' where s.LastStatus like 'Failure sending mail%'; Another option could be to return the job step commands directly (js.command in this query), but my preference is to run the job that contains the step. Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Time management and self improvement

  - by Filip

  I hope I can open a discussion on this topic as this is not a specific problem. It's a topic I hope to get some ideas on how people in similar situation as mine manage their time. OK, I'm a single developer on a software project for the last 6-8 months. The project I'm working on uses several technologies, mainly .net stuff: WPF, WF, NHibernate, WCF, MySql and other third party SDKs relevant for the project nature. My experience and knowledge vary, for example I have a lot of experience in WPF but much less in WCF. I work full time on the project and im curios on how other programmers which need to multi task in many areas manage their time. I'm a very applied type of person and prefer to code instead of doing research. I feel that doing research "might" slow down the progress of the project while I recognize that research and learning more in areas which I'm not so strong will ultimately make me more productive. How would you split up your daily time in productive coding time and time to and experiment, read blogs, go through tutorials etc. I would say that Im coding about 90%+ of my day and devoting some but very little time in research and acquiring new knowledge. Thanks for your replies. I think I will adopt a gradual transition to Dominics block parts. I kinda knew that coding was taking up way to much of my time but it feels good having a first version of the project completed and ready. With a few months of focused hard work behind me I hope to get more time to experiment and expand my knowlegde. Now I only hope my boss will cut me some slack and stop pressuring me for features...

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• About HDD enclosure

  - by kmitnick

  hey guys, how r u doin? I have this 3.5" IDE enclosure, and it works great, I mean I love the idea of enclosures ( not the power feeding thing :), btw can't I just insert a chargable battery to feed the power when I am unable to find an electricity block), anyway my question is, when I finish the usage of the enclosure I safely remove it when using Windows or umount when working with Linux, and after that I got confused whether to turn it off or no? when I turn it off, the HDD suddenly stop spinning as if power failure not as when it was an internal and normally shuted down the pc. So is it ok to turn it off the way I've just said??? regards, ~Abed

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• APCUPSD and Hyper V R2

  - by Jason Berg

  I'm about to deploy a Windows Server 2008 R2 machine with the Hyper V role. I'd like to get away from having to use a network management card with my APC UPS as I'm only shutting down 1 server (it just seems like an unneeded point of failure). I'd like to look into using apcupsd instead. Will this work properly if I use a serial connection? Have you got it working yourself? How is the SNMP monitoring? I really like being able to easily monitor my UPS with SNMP when powerchute is installed. Will I be sacrificing this completely? Is the network management card really the way to go with this? If so, why? Bonus question: Is there a better UPS out there that I should be recommending in the future?

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• LSI RAID-on-chip with RAID6 over two SAS links goes red when HDD enclosure is powered cycled; how to recover?

  - by GregC

  I have a RAID6 array managed by LSI 9286-8e card. I also have Sans Digital 24-bay NexentaSTOR JBOD enclosure with SAS extender built-in. They are connected to separate UPS devices. Normally, I'd shut down the PC, leaving RAID6 in healthy state. But today the power to JBOD enclosure was cut but PC kept running. After restarting the PC, all disks in RAID6 have lit up RED, and the only option in LSI MegaRAID manager app was to reset each disk to unassigned, thereby loosing all data on RAID6 array. Thankfully, I am only testing, but how would I recover if this were to happen in production?

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• Full-text indexing? You must read this

  - by Kyle Hatlestad

  For those of you who may have missed it, Peter Flies, Principal Technical Support Engineer for WebCenter Content, gave an excellent webcast on database searching and indexing in WebCenter Content.  It's available for replay along with a download of the slidedeck.  Look for the one titled 'WebCenter Content: Database Searching and Indexing'. One of the items he led with...and concluded with...was a recommendation on optimizing your search collection if you are using full-text searching with the Oracle database.  This can greatly improve your search performance.  And this would apply to both Oracle Text Search and DATABASE.FULLTEXT search methods.  Peter describes how a collection can become fragmented over time as content is added, updated, and deleted.  Just like you should defragment your hard drive from time to time to get your files placed on the disk in the most optimal way, you should do the same for the search collection. And optimizing the collection is just a simple procedure call that can be scheduled to be run automatically.   beginctx_ddl.optimize_index('FT_IDCTEXT1','FULL', parallel_degree =>'1');end; When I checked my own test instance, I found my collection had a row fragmentation of about 80% After running the optimization procedure, it went down to 0% The knowledgebase article On Index Fragmentation and Optimization When Using OracleTextSearch or DATABASE.FULLTEXT [ID 1087777.1] goes into detail on how to check your current index fragmentation, how to run the procedure, and then how to schedule the procedure to run automatically.  While the article mentions scheduling the job weekly, Peter says he now is recommending this be run daily, especially on more active systems. And just as a reminder, be sure to involve your DBA with your WebCenter Content implementation as you go to production and over time.  We recently had a customer complain of slow performance of the application when it was discovered the database was starving for memory.  So it's always helpful to keep a watchful eye on your database.

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• HAProxy -- pause/queue all traffic without losing requests

  - by Marc

  I basically have the same problem as mentioned in this thread -- I would like to temporarily suspend all requests to all servers of a certain backend, so that I can upgrade the backend and the database it uses. Since this is a live system, I would like to queue up requests, and send them to the backend servers once they've been upgraded. Since I'm doing a database upgrade with the code change, I have to upgrade all backend servers simultaneously, so I can't just bring one down at a time. I tried using the tcp-request options combined with removing the static healthcheck file as mentioned in that thread, but had no luck. Setting the default "maxconn" value to 0 seems to pause and queue connections as desired, but then there seems to be no way to increase the value back to a positive number without restarting HAProxy, which kills all requests that had been queued up until that point. (The "hot-reconfiguration" options using -sf and -st start a new process, which doesn't seem to do what I want). Is what I'm trying to do possible?

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• how to program a special key on my laptop?

  - by daniel11

  ok so i have a set of touch screen buttons on the top of my laptop's keyboard, (one turns on power save mode, one disables/enables the mouse touch pad, one toggles the wifi adapter, and two turns the volume up/down) however theres another one that opened a file backup utility that came with my laptop. but since i bought my laptop , ive uninstalled that utility, rendering this button useless. So i was wondering if it was possible to reprogram that button to open another file or program on my computer? And if so what are the requirements and how would i go about doing it? Thanks in advance!

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• A BYOD World in Mobile Enterprise Brings the Need to Adapt

  - by Webgui

  Yesterday brought a lot of news coverage that Cisco has stopped funding and planning its Cius enterprise-grade tablet.  Citing “market transitions” in which an increasing number of people b ring their own smartphones and tablets to work, Cisco General Manager OJ Winge said in a post on the company's official blog that “Cisco will no longer invest in the Cisco Cius tablet form factor, and no further enhancements will be made to the current Cius endpoint beyond what’s available today.”  Employees are “bringing their preferences to work” and collaboration “has to happen beyond a walled garden,” he said.The blog post also cited a recently released Cisco study which found that 95% of organizations surveyed allow employee-owned devices in some way, shape or form in the office, and, 36% of surveyed enterprises provide full support for employee-owned devices.   How is Cisco planning to move forward to adapt to this changing business environment?  Instead of focusing on tablets for enterprise customers, Cisco will instead "double down" on software that works across a variety of operating systems and smart phones and tablets, Winge said.See the post from the Cisco blog here - http://blogs.cisco.com/collaboration/empowering-choice-in-collaboration/ We at Gizmox recognize this need to adapt to the changing environment.  Our Enterprise Mobile solution is designed and built for that post-PC, BYOD business world.  We recognized the importance of providing a cross-platform solution that can easily target different devices and operating systems. We went with a web-based mobile application approach in order to achieve that and we decided to go with the new open web standard - HTML5.Our solution however provides both client and the server side programming and its uniqueness is that it allows those cross-platform HTML5 mobile applications while developing within Visual Studio using classic visual form based development. As a result, .NET developers can build secure, efficient, data-centric enterprise mobile application for cross platform mobile devices with their existing skills and tools.  See our new video about our EnterpriseMobile solution Enterprise applications today need to work on all devices, across different platforms and OS’s.  It’s just a fact of life.  How about you – do you bring your own device to work?  What’s your company’s BYOD policy?

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• GAC locking problem when running deployment

  - by Kieran

  We have a NANT script that uses msbuild to compile our visual studio solutions and deploys the .dlls into the GAC. This works well on our integration/test servers as part of continuous integration, cruise control uses the NANT scripts and every time the dlls are put into the GAC without problem. On our local development machines, where we use subversion/vs.net etc. for development, frequently certain dlls do not make it to the GAC when we run the build. We think we have narrowed this down to visual studio and/or a plug in locking the GAC or the dlls for some reason. Strangely if we run the build a second time all the dlls make it to the GAC. We have added various iisreset's to the NANT script in the hope of releasing the lock but to no avail. Can anyone suggest a good approach to attack this problem? All the best

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