Relational Model is a data model based on predicate logic and the theory of sets. Relational Model is most commonly used today to manage data dynamically. Edgar Frank Codd discovered it and IBM laboratory in San Jose, California; quickly established it as a new paradigm in the database models. The basic idea is the use of "relationships". These relationships may be logically considered as sets of … [Read more...]
Distributed Computing : Basics
Distributed Computing is a new model for solving massive computational problems using a large number of computers organized in clusters embedded in a distributed telecommunications infrastructure. Previously we published information on Grid Computing, Grid Computing is a type of Distributed computing. Distributed Systems as well as Distributed Computing is defined as a collection of physically … [Read more...]
Installing Python Application in OpenShift PaaS
Installing Python Application in OpenShift PaaS needs some modification and custom commands as you might not able to run. Here are some tips for Python. Basically Python is a high-level programming language, usages can be quite complex scientific usage and OpenShift is a great platform to test whether a Python App is running rightly or not. Installing Python Application in OpenShift … [Read more...]
Cloud App : Characteristics For Being a Cloud Application
Cloud App must have some clearly defined characteristics. There must be some universal characteristics for being a Cloud Application from traditional Web App. You will find characteristics of Cloud Computing very easily but there is no universal, standard definition or guideline for a Cloud App. If you install a traditional 10 years old java based App on fully scalable Cloud Computing Platform, … [Read more...]
Color Temperature in Digital Photography
Color Temperature is a measure of a particular color effect of a light source to determine quantitatively. The color temperature is defined as the temperature of a black body, the so-called Planckian radiator, to a specific color when emanating from the radiation source. Specifically, it is the temperature at which, the light effect at the same brightness and under specified viewing conditions can … [Read more...]
Big Data and Big Data Analytics
Big Data and Big Data Analytics is important when the rapidly growing data volumes make companies to face new challenges and forces to think to choose options. The hot topic of Big Data provides currently not only encourages curiosity to know more, but also in practice creates confusion within some companies: With the given gripping reports on the use of Big Data is not Could Big Data method also: … [Read more...]
Dust Reduction System in Digital Camera
Dust Reduction System refers to the technologies which partially solves the problem of accumulation of dust on the sensor of mid to high-end digital cameras. As was with Traditional Film SLR camera, we actually removed the 'sensor' by changing the film roll, but with Digital SLR, the sensor is fixed and obviously it faces the fine dust particles, for example while we change the lens. Dust … [Read more...]
Installing SoundManager2 With Great 360° Player
Installing SoundManager2 now has great looking 360° Players with Spectrum/EQ visualizations. Can be embeded in WordPress. Source Code is same of SoundCloud. Obviously, without a Content Delivery Network, the loading will be slower. We recommend to use a streaming CDN like Akamai, Rackspace Cloud Files etc. Please provide time for reading this guide. Each and every sentence is … [Read more...]
Checklist for SaaS Provider Selection
Checklist for SaaS Provider Selection is a compiled a checklist to give users the required guidance. A SaaS providers must meet a few basic requirements. The article, Cloud Computing Service Models and Deployment is an important guide for understanding the position SaaS in usual models used in Cloud Computing. Checklist for SaaS Provider Selection will help you in two ways - (i) Whether you should … [Read more...]
Lens Mount in Digital Photography
Lens Mount allows to change the lens of a DSLR camera. In Film SLR the Lens Mount served mechanical function only. In DSLR it has more functions to connect. When we are saying Lens Mount in Digital Photography - it definitely means, we will talk about the newer DSLR Lens Mount, not of the older Lens Mount. Our need in practical life is to mount a lens either newer DSLR compatible or old on new … [Read more...]
Cloud computing is Not Equal to the Future of Computing
Cloud computing is Not Equal to the Future of Computing. Cloud Computing is an marketing term which is closer to the technology of grid computing since decades. It is important to pay attention to the wordings, alerts of Richard M. Stallman - the Godfather of Free Software Movement. "Careless Computing" - this is what Richard M. Stallman considers Cloud Computing to be. You can read the reasonings … [Read more...]