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Medium 9781601322432

Cloud Computing in the Curriculum: A Current Perspective

Slice PDF October 29, 2014

268

Int'l Conf. Frontiers in Education: CS and CE | FECS'13 |

Cloud Computing in the Curriculum:

A Current Perspective

Kathy J. Liszka, Chien-Chung Chan, Michael L. Collard,

Drew Guarnera, and Nicholas Bordo

Department of Computer Science

The University of Akron

Akron, Ohio 44325-4003

{liszka, chan, collard}@uakron.edu

{dt.guarnera, bordo.nicholas}@gmail.com

Abstract

Cloud computing is one of the most disruptive technologies for the near future, changing the way we think about things and the way we do business. We designed a project-driven course that pairs students and engineers from local industry to work together as early as possible in a mentoring hierarchy. Students learned the fundamental principles, skills, and paradigms of cloud computing by developing a project for solving industry-oriented problems. This paper describes the course goals, content, a sample student project and outcomes of this ongoing venture with a local company.

Keywords: cloud computing, project-based curriculum, REST, web services

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Medium 9781449305444

Associate an Elastic IP Address with an Instance

Slice ePub May 27, 2014

You would like to have a stable IP address to use to refer to an instance rather than the dynamically generated address used by default.

Use the allocate_address method to get an Elastic IP address and the associate_address method to pair it with your instance.

Each time you start up an instance, a new IP address is allocated to that instance. This is fine if you are just experimenting with AWS or if the instance works behind the scenes and never needs to be accessed by end users or other systems. But if the instance is a front-end web server, for example, this can be an issue, because if that instance fails for some reason or needs to be replaced with an instance with updated software, you will need to update your DNS records with the new IP address. Since DNS changes can take time to propagate and can be incorrectly cached by clients, this could cause a disruption to your service.

In AWS, the solution to this problem is the rather confusingly named Elastic IP Address. At least its confusing to me, because its really what most people would call a static IP address, and that doesnt seem all that elastic to me. You can easily associate it with any instance you want, however, so perhaps thats where the elasticity comes in. Using Elastic IP Addresses is a two-step process. First you have to allocate an IP address. Then, you associate that IP address with an instance. There is no charge for an Elastic IP Address that is being used, but if you allocate one and dont have it associated with an instance, there is a small, per-hour charge to discourage people from hoarding those valuable IP addresses.

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Medium 9781449329631

5. Microsoft’s Plan for Big Data

Slice ePub May 29, 2014

Microsoft has placed Apache Hadoop at the core of its big data strategy. Its a move that might seem surprising to the casual observer, being a somewhat enthusiastic adoption of a significant open source product.

The reason for this move is that Hadoop, by its sheer popularity, has become the de facto standard for distributed data crunching. By embracing Hadoop, Microsoft allows its customers to access the rapidly-growing Hadoop ecosystem and take advantage of a growing talent pool of Hadoop-savvy developers.

Microsofts goals go beyond integrating Hadoop into Windows. It intends to contribute the adaptions it makes back to the Apache Hadoop project, so that anybody can run a purely open source Hadoop on Windows.

The Microsoft distribution of Hadoop is currently in Customer Technology Preview phase. This means it is undergoing evaluation in the field by groups of customers. The expected release time is toward the middle of 2012, but will be influenced by the results of the technology preview program.

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Medium 9781855757868

The ubiquitousness of object relationships

Slice ePub May 18, 2014

Kleinians believe that the subjective aspect of the mind is dominated from birth by relationships with objects,1 both internal and external, as well as by part-objects and whole objects. Impulses are always object-dedicated for Kleinians rather than peremptorily discharging, as in the classical system. Defence mechanisms likewise always constitute phantasied object relationships: repression, projective identification, denial, splitting, and so on can be seen as the operation of one group of internal objects upon another or upon the self. In repression, for instance, one can surmise that the subject represses by splitting off an intolerable thought or affect and thereupon projecting it into an actual or phantasied object-container, which is then introjected, or into an already internalized object, where it is now “identified”-that is, located and thus repressed. Thus, to a Kleinian, internal objects constitute the “anatomy” of the internal world, and phantasy, the relationship between self and objects, its “physiology”. Further, it must be remembered that the Kleinian internal object is generally constituted as a compound object, including: (a) the infant's image (representation) of the external object, and (b) the affects, impulses, and so on that the subject has projected into this image of the object.

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Medium 9781847771704
 

To M. L. S----

Slice PDF November 12, 2014

To-I heed not that my earthly lot

Hath ~ little of Earth in it ~

That years of love have been forgot

In the hatred of a minute: ~

I mourn not that the desolate

Are happier, sweet, than I,

But that you sorrow for my fate

Who am a passer-by.

ToM. L. S-Of all who hail thy presence as the morning Of all to whom thine absence is the night ~

The blotting utterly from out high heaven

The sacred sun ~ of all who, weeping, bless thee

Hourly for hope ~ for life ~ ah! above all,

For the resurrection of deep-buried faith

In Truth ~ in Virtue ~ in Humanity ~

Of all who, on Despair's unhallowed bed

Lying down to die, have suddenly arisen

At thy soft-murmured words, 'Let there be light!'

At the soft-murmured words that were fulfilled

In the seraphic glancing of thine eyes "'"

Of all who owe thee most - whose gratitude

Nearest resembles worship ~ oh, remember

The truest ~ the most fervently devoted,

And think that these weak lines are written by him ~

By him who, as he pens them, thrills to think

His spirit is communing with an angel's.

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