Hi R experts! I have a cloud of points scattered in a 2D Euclidean space. I would like to calculate the area inside the polygon linking the most extreme (=peripheral) points of the cloud. In other words, I would like to estimate the area covered by the cloud in this space. Is there a formula in R? Thanks a lot for any response Julien ...
I am trying to write a thesis on cloud computing. I read a lot about it but I do not know on which area to focus. However I have experience mainly in database, system analysis and mobile programming, mainly iphone. Can you kindly suggest me specific area in cloud computing so that I can focus on. Can u kindly help me? Many thanks and...
Hey guys There is a lot of demand in my country for rails and hosting, yet there is not one provider that does this. Are there packaged solutions, or at least guides, out there that can help me get started with providing hosting to people? You can think of it as a local Heroku.com ...
a reference demo is here: http://www.roytanck.com/2008/03/06/wordpress-plugin-wp-cumulus-flash-based-tag-cloud/ could anyone share some hints? And are there any static lib to use? thanks! marcos ...
I have had a hell of a time with this. Basically I think I loose the session due to a time out issue or tmp folder FULL issue. Not really sure. Uploading smaller files is not an issue with my scripts 25-75 MBs but anything over 200MB breaks. Weird thing is I use to be able to upload up to 400MB files but something change I think ov...
Hi All, We are looking to move all of our systems to a virtualized env. We will be going with EC2 and it appears that if we can install something like vmware or KVM on EC2 then create VMs as needed it would be the most cost effective solution for us. Is this possible? thanks! ...
Cloud computing offers a lot of up-side (I currently favour Google’s App Engine), but have encountered resistance from customers who are worried that basing their business platform on the Internet (as opposed to internet servers) would risk staff productivity during temporary internet outages. Are there any solutions available that invol...
I'm working on building a private cloud, and we've been considering Eucalyptus and OpenNebula. Are there any other good open source platform available for building a private/hybrid cloud? Between Eucalyptus and OpenNebula, which one do you recommend? ...
I am trying to write a thesis on cloud computing. I read a lot about it but I do not know on which area to focus. However I have experience mainly in database, system analysis and mobile programming, mainly iphone. Can you kindly suggest me specific area in cloud computing so that I can focus on. Can u kindly help me? Many thanks and ...
I have an iPhone app that must use external cloud db to sync data between users. Data is structured, so BLOB storage will not do. So far the only alternatives that i see are Amazon SimpleDB MS Azure Storage (Tables). I didnt get if i could use just Storage and no Azure instances. Are there any other similar providers? ...
I am working on a search engine design, which is to be run on cloud. We have just started, and have not much idea about Hdoop. Can anyone tell if HBase , MapReduce and HDFS can work on a single machine having Hdoop installed and running on it ? ...
Is it possible to create workflows dynamically? I need to generate a WF dynamically based on a set of business logic and service execution sequence I get as input to the system. Is it possible for me to generate the workflow.xaml dynamically without using the wf designer and execute in the cloud ? ...
Now when the new clod computing-era is coming, and I going to learn to program, don't I know which programming language the clouds support. I think what the support Java, ASP.NET, PHP, Python, Ruby, Perl etc. and not the low-end languages, like C, C++ etc... Or have i wrong? If whats so, the software company's have to re-develop theirs ...
For my Software Architecture class, I'm trying to do a project on what software architectures work best with the cloud to create a scalable and agile application. I'm having trouble finding a starting place to research on what kinds of architectures work well with the cloud. Does anyone know any good books, blogs, articles, architectures...
I am new to Amazon EC2 and just pulled down some Unix based image (I think it was an IBM image). It launched fine, worked great and was able to be stopped and snapshotted, all through the console. However, when I replicated the snapshot and launched a new image, albeit of a smaller size, the new image came up with errors. Is there someth...
Hi all, I am new to amazon EC2, I have created an instances and need to transfer few important files. I do not know hot to install ftp on EC2 the rpm is not available on the host. Please advise me on this. Thanks /SR ...
I want to implement a tag list, for instance, top ten tags used in the website. Are there any tutorials or articles that can help me to create this! For example: #topic (200 mentions) #topic (150 mentions) #topic (50 mentions) .... and so on.. ...
I am developing an iPhone app and would like to create some sort of RESTful API so different users of the app can share information/data. To create a community of sorts. Say my app is some sort of game, and I want the user to be able to post their highscore on a global leaderboard as well as maintain a list of friends and see their scor...
Hi, Sorry if this question does not belong here, but I could not resist. I have my ASP.NET application which I want to be installed for multiple clients. Each customer will sign up, and the app will get installed (with its own DB instance) in the server. So over a period of time, the server will have multiple IIS websites and multiple da...
Hello, I made a e-commerce app the runs on C#. Each instance of this app right now has it's own: IIS 7 app pool IIS 7 website SQL Server 2008 database My partner told me that we need to dump this approach and move to a cloud. It seems like SQL Azure charges per database. So it will be very expensive for us to go this approach. Is the...