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Can you host demos of open source apps online, similar to how http://php.opensourcecms.com/ does for CMSs? For example, could you host a demo of Open Office for people to try out online? Maybe by connecting to a server that has Windows 7 installed or some Windows 7 simulator. How would you do that if you could?
It would certainly be possible, using something like a combination of remote desktop and virtual servers, however I haven't seen any solution like that.
The main reason for that is of course that it would require a lot of hardware. While a web server can handle thousands of concurrent users, a server running virtual remote sessions would be able to handle something in the range of 10-20 concurrent users.
Being somewhere around 100 times more expensive than running web servers, one can easily see why there is little demand for such technology.
There are various ways in which the visual display and mouse interaction of a Windows app can appear on a user's machine while actually running remotely. Refer to—for instance—the RFB protocol which is used by VNC.
It even appears there are some efforts to embed such remote screens into browsers using Flash. I haven't tried it:
http://flashlight-vnc.sourceforge.net/
As #Guffa points out, this really won't scale very well. But at smaller scales it's important to be aware of: I'm a big advocate of using approaches like this when someone has a niche legacy intranet application written in something like Visual Basic that only a few people use. (Why rewrite something that already works in Ruby-on-Rails or whatever if only 10 people in the world will ever use it?)
At a meta-level, I think dropping users into an app they don't know how to use isn't always the best way of selling it. With pervasive Internet video I think there's a big potential for screencasts to explain and introduce software, or teach them features:
http://en.wikipedia.org/wiki/Screencast
It shows people what's possible, is easy for them to pass around, and is a lot less of a development/administrative/security effort on your part.
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Is there a website or service that I can use to test my mac app store apps? I've seen macdeveloper.net, but being that it costs money I want to make sure that there aren't any other services that are better. Thanks!
I used macdeveloper.net about 2 years ago, for a Mac app (yes, there were Mac apps even before the Mac App Store).
It was a really great experience. Feedback from beta-testers was great, in quality and quantity. It helped me to spot and fix some very subtle bugs. This is great, because I didn't want real users to encounter them.
I find the price asked for the service (less than $20) very reasonable:
Think about how much it will cost you if even one bug is not found until on the App Store, and a user posts a very negative review because of it.
The infrastructure provided to ease your beta-testing phase is great. The time saved was enough to make me feel it was worth it. I prefer to spend my time coding and improving my marketing than to deal with problem someone else resolved better than me
When I had questions, the support was replying very quickly, with great and appropriate answers
...
Have You Tried Using :
https://github.com/CodeFacet/COMBAT + Accessibility Inspector(Developer Tools in XCode)
It's Still under development but a great tool to work with. :)
It's written down in Objective-C, so you can use its libraries inside XCode only along with a Unit Testing Project
So better Test Management and easy Test Case Writing.
PS: It works with Simulators as well so you can even Test IOS Apps
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For decades, X11 has provided the possibility to have many virtual desktops that can be accessed by different people from different machines. The virtual desktops are thus independent of the real physical desktop.
I'm wondering whether there is something similar already on MS windows OS. I would think this could be easily done if virtual desktop managers could make the virtual desktops ---that they already maintain in memory--- available to remote desktop applications.
My needs come from the following situation. Often time, I have to provide support to remote users. In many cases, the support would take hours. Unfortunately, during this time, the user's computer is completely control by us and the user can't do anything. Now my question is whether there is a solution that would allow us to work and repair the user's computer on one virtual desktop while the user is actually working on the other virtual desktop attached the physical one.
Any input would be much appreciated.
Klaus.
The desktop versions of Windows are artificially limited by Microsoft to one desktop session at a time. They want you to spend the big bucks on Terminal Server if you want to have multiple sessions.
Workstation builds of Windows (with the notable exception of Media Center Edition, to support extender devices) are hardcoded to prevent concurrent sessions. That said, there are very unofficial third party binary patches that modify the Terminal Services code to remove the limitation.
Remote Desktop, from Microsoft is what you are looking for.
There are hacks for various versions of windows that allow concurrent Remote Desktop sessions. Here's one for Windows 7, but similar exist for vista and XP.
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I've just listened to episode 6 of StackOverflow podcast, and I just wonder, is there a free and good enough implementation of Mac Spaces for Windows?
try Dexpo
from their website
With Dexpot you may have separate virtual desktops for different applications. One desktop might feature applications for graphic design, for example, and another might feature your business applications.
Switch between virtual desktops in order to keep track of your open windows. Using Dexpot, you'll considerably increase your workflow.
Try the Microsoft Sysinternals Desktops, it offers 4 virtual desktops.
No there isn't, at least not for XP. It's hard because xp wasn't designed with that in mind, while Mac and Linux handle it beautifully.
The best one for XP that I have found is VirtualWin, which just works by hiding windows. It's hacky, but at least it gets the main idea down. I think if you've got an accelerated desktop like vista, VDM might be worth a look. But since I don't have vista, I can't be sure.
Microsoft has a Virtual Desktop Manager PowerToy. Not nearly as good as the ones on Linux & OSX, though.
Dexpot is the best i've found for options and functionality, however the free version comes with some trashware in the installer, if you just install the pro trial and then tear down the free version installer with 7zip and copy the program files in to the program directory - it works like a champ however - No trashware.
Try not to break your computer doing this.
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I was shocked to learn that OpenMosix is closed. Can you suggest any similar free tool for linux.
For those who don't know, OpenMosix is
a software package that turns networked computers running GNU/Linux into a cluster. It automatically balances the load between different nodes of the cluster, and nodes can join or leave the running cluster without disruption of the service. The load is spread out among nodes according to their connection and CPU speeds.
The nicest part is that you don't need to link your programs with any special libraries neither do you need to modify your programs. Just "fork and forget".
Another nice (but not must have) feature is the fact that it doesn't have to be installed on dedicated computers, but can sit on various desktop computers in your organization/lab/home etc.
I'm aware of the names of several possible solutions (for example). I'm looking for personal experience and/or nice reviews
EDIT Mosix, the predecessor of OpenMosix, used to be free (as free beer). However, now it costs money
I'm not sure how it compares feature-wise to OpenMosix, but Rocks is an open source cluster Linux distro.
From the website:
Rocks is an open-source Linux cluster
distribution that enables end users to
easily build computational clusters,
grid endpoints and visualization
tiled-display walls. Hundreds of
researchers from around the world have
used Rocks to deploy their own cluster
You may want to listen to this episode of FLOSS Weekly that is all about Rocks.
The closet similar free solution to the openMosix technology is Kerrighed.
Shamelessly ripped from the Beowulf mailing list:
OpenSSI or
Mosix If you don't need a fully open-source solution and is a non-profit.
For a much more in-depth discussion check out this thread:
Beowulf - open mosix alternative
To help make this dead thread more useful, a more modern alternative is criu (Checkpoint and Restore In Userspace).
See for example:
https://chandanduttachowdhury.wordpress.com/2015/08/10/test-driving-criu-live-migrate-any-process-on-linux/
http://criu.org/
You might also consider containers like Docker as well or instead
E.g.
http://blog.circleci.com/checkpoint-and-restore-docker-container-with-criu/
I looked here to get an update as I have not used openmosix since graduating, but there is now a new tech called "Mesh Computing", and also the ether of bitcoin, so processes must transport the means of getting their data to a suitable node in a secure manner, and then try to run in a fault tolerant manner. I think the answer is a HURD, which before the mesh was more of a pipe dream. I think you should go to https://www.gnu.org/software/hurd/hurd.html and pitch in if you have time. The mesh is upon us and there is no access to anything except agent hosting on mesh.
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Within our company we use a proprietary template engine, which stores its templates in a MySQL database. We recently developed a WebDAV interface for this, which allows us to use standard tools to edit them, instead of a nasty <textarea>.
The standard operating-system webdav clients aren't great though, so for OS/X we went with Coda, which has amazing WebDAV support and saves us a ton of time.
Some of our devs are on Windows though, is anyone aware of a good editor that comes with built-in WebDAV support?
I ended up using Netdrive. Even though it has it's own share of problems (bad, bad multi-user support) the client behaves a lot smoother than Windows' and does a lot of built-in caching.
Upvoted both other answers for helpfulness
You can mount the WebDAV URI as a local drive and then access it using a standard editor, like notepad.exe or slightly fancier ones such as Notepad++.
The oXygen XML editor can use WebDAV. It might be worth checking if one can edit non XML files with it as well.
You can use a good FTP client (such as CrossFTP that handles SFTP, WebDav, and Amazon S3 protocols) to edit your remote files with your favorite editor.
There are Bluefish, gedit, Kate etc. They are primarily built for Linux but Windows ports are available in the links I have posted. They are all full blown editors too as you would hardly miss a feature. For questions like this the best source to have a primary lookup is wikipedia.
Microsoft Expression Web 4 is actually a good fit for this. As of December 2012 it is now free (as in beer) but unsupported (as in development has ceased).
I use it to edit HTML and CSS files and publish to my host via WebDAV. It does everything you would expect, syntax-highlighting, auto-complete, syncing changes and probably much more.
I am not terribly bothered by the fact that it is abandonware, it definitely is the best fit for my needs right now. More info on Wikipedia