I'm looking for a solid beginning-to-end type tutorial for deploying a Rails application to the Amazon Cloud. Hopefully such a tutorial would include guidance on how, if at all, S3 should be used as well as managing all your persisted data collected in your database of choice. ...
I have a nice surface that represents nonlinear multi-part regression results on a regression with two independent variables. I would like to plot the regression predicted values as a nice 3D surface and then show the actual values as point that bounce around the surface. This would be the 3D version of plotting a regression line and sho...
Ops: This does not belong to ServerFault because it focuses on Programing Architecture. I have following questions regarding differences between Cloud and Virtualization.. How Cloud is different then Virtualization? Currently I tried to find out pricing of Rackspace, Amazone and all similar cloud providers, I found that our current 6 ...
For example, I'm going to create a startup but me and my co-founder are bad administrators and good .NET developers and we just want to code cool and useful web applications. Should we consider using Azure for this reason ? (We really think that writing code will generate more money and fun than trying to learn and administrate a server ...
Answering this question and searching for references I have this doubt my self: *How much data could be stored into a Google App Engine, application? If I'm reading well this table: Resources | Free daily | Free Max Rate | Daily Billing enable | Max Rate Billing --------------------------------------------------------...
How to create an EC2 AMI from an instance? Ok, so I got an EC2 account. I launched an instance with Fedora 8, Apache, MySQL PHP. I also configured some things and installed Piwik. "Cool...", I thought, "... I should now be able to create an AMI with that custom configuration. Instead, all I can find are guides with 300 steps on how to c...
Take an image hosting service for example. In order to reduce bandwidth/the number of times you serve images, is it possible to have a client who has just viewed an image then SERVE that same image file (or pieces of that file) to another client who wishes to view the same page/image? Are there security related issues that prevent this f...
A question in theory of Computer Science Today I can secretly store files in the cloud (say, amazon s3), by having them encrypted before I store them and decrypt them after I download. The storage provider cannot obtain any information from the stored files - everything is encrypted safely, and even symmetrical cipher will be ok here. ...
I work for a company which is developing a media asset management website. We've decided to modify our web app to host our media on the cloud. We will license this web application to our customers and allow them to choose whatever cloud service they want. Currently we are using Amazon S3 and I manually upload the files using cloudberry. ...
Has anyone run an exe using cron job? I want to run an exe at scheduled intervals on a cloud server. The scheduled exe is created using .NET. The cloud server has facility of running Cron jobs using ruby, php, perl, python and http I do not have much knowledge of what a cron job is. What would be the best way of scheduling the EXE? It...
hey guys if i have an azure web app running under multiple instances how do i use asp.net cache. has the azure team written any cache providers for azure? i read somewhere they are going to support velocity in future but if i have to go live with some app in next couple of months what is the best way i can cache my data (i dont want to ...
Would it be any practical benefit to write a cloud-based compiler, that would spread compiled units of code on different machines in the cloud? Could there be a benefit from obtaining a software-as-a-service architecture right within the app just after compiling, or would the inherent latency make such an approach impractical? ...
Does Azure allow managed to native interop without the use of P/Invoke. I have a c header file and dll which I plan to wrap in a managed c++ dll, and then wrap that in a c# wrapper for ease of use. Anyways, the header file is to complicated to use with P/Invoke, and its much easier to use the managed c++ wrapper, however I don't know i...
I am asking this in very general sense. Both from cloud provider and cloud consumer's perspective. Also the question is not for any specific kind of application (in fact the intention is to know which type of applications/domains can fit into which of the cloud slab -SaaS PaaS IaaS). My understanding so far is: IaaS: Raw Hardware (Proc...
The Scenario I've been following Brad Abrams Silverlight tutorial on his blog.... I have tried following Brads "How to deploy your app to the Cloud" tutorial however i'm struggling with it, even though it is in the same context as the first tutorial.... The Question Is the application structure essentially the same as the original "n...
Hi, I have been wrestling with Amazon's CloudWatch API with limited success. Does anyone know of any good resources (other than amazon's api docs) for using the APIs. I have tried to run them using the PHP library for CloudWatch but get nothing but error codes. I am configuring the GetMetricStatisticsSample.php file as follows: $request...
The Scenario I have written a Silverlight 3 Application that uses an SQL Server database. I'm moving the application onto the Cloud (Azure Platform). In order to do this I have had to setup my database on SQL Azure. I am using the ADO.Net Entity Framework to model my database. I have got the application running on the cloud, but I canno...
A well known company is promoting Cloud Computing research in my university, I would like to know where I can find good and trustworthy documentation about research in this subject. ...
Amazon did a great job by providing an online calculator for AWS; resides here: http://calculator.s3.amazonaws.com/calc5.html Which really helps to find your way among a swarm of cloud options. Is there similar a tool for GAE (Google App Engine) or Microsoft Azure? ...
It seems that SaaS and Cloud computing are old concepts with new names, and I am curious if I am wrong. For cloud computing you can look at: http://stackoverflow.com/questions/1349894/difference-between-cloud-computing-and-distributed-computing Basically, it seems that when we have been hosting that that is cloud computing, it is just ...