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...]
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...]
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...]
DSLR Lens Anatomy and Lens Settings
DSLR Lens Anatomy and Lens Settings are less frequently discussed than the settings of the DSLR body. Settings of Lens is quite important optical factor. After searching in Google Web Search (and carefully avoid the Wikipedia spams) it appeared that most of the photography blog Authors either never actually handled a DSLR or never changed the settings on the barrel of the Lens. Knowing a DSLR Lens … [Read more...]
In-memory Technology : The Mastery of Big Data
In-memory technology has the potential to initiate a new computing era. The mastery of Big Data gives the promise of the Real-Time Enterprise to reality. You probably have some PDFs on your computer, perhaps a collection of books and other documents. Now imagine, your all these books, maybe a few hundred megabytes or a few gigabytes are available and search-able with virtually no delay. Imagine … [Read more...]
Tilt-Shift Photography
Tilt-Shift Photography involves various camera movements Tilt and Shift movements of the lens or the mount of lens. It has usages like for Miniature Faking. Basically, the functions 'Tilt' and 'Shift' are independent, so there are lenses that allow for example, only shift and there are professional cameras in which the function tilt and shift through is not implemented through mechanics of the … [Read more...]
BASIC : Beginner’s All-purpose Symbolic Instruction Code
BASIC is one of the high-level programming language, that is suitable for general purpose, easy to write and can be converted to low-level programming language like C. BASIC was developed in 1964 by John George Kemeny and Thomas Eugene Kurtz. There is nothing to get astonished with the difference of 1964 and 2013 - UNIX is still the most versatile, robust operating system that is leading for the … [Read more...]
Retina Display : Technical and Visual Aspects
Retina Display is the patented name for the LCD which has a higher pixel density so that our eye can not perceive the pixelation at normal viewing distance. Previously we wrote about the basic technical aspects of a typical TFT-LCD Display or Thin Film Transistor Liquid Crystal Display. This article will only describe the specific points about Retina Display. Basic Theoretical … [Read more...]
Photographic Lens Design
Photographic Lens Design is a complete different science. The design of photographic lenses is made to yield the most acceptable form of the subject. We are mostly talking about the DSLR or SLR Lenses, obviously the basics of Photographic Lens Design is applicable to Point and Shoot, Mobile Camera and other consumer grade cameras as well. Photographic Lens Design : Basics A lens is … [Read more...]
Camera Angle : Relation to the Subject Which Affects
Camera Angle historically related to Filmmaking and video production. But the terminologies actually used in still photography as well. Camera angle is not synonymous to Angle of View. A loose term like "the angle of the photo shot is great" is difficult to interpret and must be avoided by a serious learner. Camera Angle considers both the standpoint of the spectator as well as the set or … [Read more...]
Verbose Output on OS X : Tool to Troubleshoot Delayed Shutdown Time
Verbose Output on OS X is actually quite helpful tool to Troubleshoot Delayed Shutdown Time. A delayed shutdown time on Mac gives the feel of using a Windows PC. We can agree to have 25 seconds long shutdown for ours Windows Laptop, but where is the fun when a Mac does not shuts down instantly like switching off a television set, leaving a black screen full of unseen greetings ? Definitely, a Merc … [Read more...]