Arif's writing

Just trying to give by write something worthwhile to others..

Tuesday

JQuery Mobile

Web based applications are growing quickly, not limited only to computers, it's now increasingly extends to mobile devices. Along with it progresses, many frameworks now can help facilitate the developers to make a web application fits on smartphones. One of these frameworks is JQuery Mobile, which is present to helps web application developers.

With HTML5, Javascript and CSS supported, JQuery Mobile can run both on mobile devices and smartphones that support HTM5. For those who used JQuery to create a web application, It's easy to migrate to JQuery Mobile, because JQuery Mobile is just the JQuery that mobilized, so it fits on a mobile device.

To try this new JQuery version just download on JQuery Mobile website. There are examples of the documentation that came with the demo application.

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How to activate Facetime on IOS 5 (Video)



In the video description, it says this method has requirements as : Your phone must be IOS 5 operation system, it must be jailbroken, we need an application named "OpenSSH" or "iFile" to be used in this method. Happy Watching! :D

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Saturday

From Waste Become Tables and Asbestos

A lot of garbage that can be processed into ready-made ​​goods. Type of garbage that can be processed is aseptic garbage, that is garbage of beverage product packs that looks like a half paper and a half aluminum foil.
Aseptic garbage (Image:Trashbasher)
One of the companies that manages the aseptic garbage is Kotak Foundation. Products that produced from recycled aseptic garbage is tables, chairs, asbestos or partition and paper.

"Within a week, we were able to collect 15 tons of aseptic garbage," said Iman Firmansyah.

Each week, 15 tons of aseptic garbage collected from 20 landfills in 17 fields in the city of Bandung by Kontak Foundation. Garbage that bought from scavengers at a price of 750 rupiahs per kilogram.
Aseptic garbage processed in factory (Image:Trashbasher)

Aseptic garbage that collected then processed in the factory, Then molded into tables, chairs, asbestos or partition.

"Asbestos that produced from aseptic material is more flexible. If it is leaking, it can easily patched just by heating it. Unlike the general asbestos which causing dust that is harmful to health," he explained.

Besides specialized in garbage recycling, Kontak Foundation also cultivate the field of environmental education and health. Currently, the foundation has 12 employees. They are working with number of schools to socialize the waste sorting.

Currently, Kotak Foundation works together with SMA (Senior High School)10, SMP (Junior High School)11 and SMP 48. After socializing how to sort garbage, then foundation will buy the garbage which sorted by students.

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Friday

An asteroid almost hit earth

May be this issue too late to post, hmm... An asteroid passed very closely and could have hit the Earth if there was a slight change in the orbit path. Imagine, the shortest distance to the Earth as it passed just 66,000 miles. Compare it with Earth-Moon distance that 384,000 kilometers on average.
2009 DD45 asteroid
Photo of 2009 DD45 asteroid that almost hit our Earth

More surprisingly is the arrival of an asteroid previously undetected. Astroid named 2009 DD45 was detected only a few days ago.

The lucky observers in Asia, Australia, and Pacific Islanders can see it as it passes in natar Earth and Moon on Monday (2 / 3) at 20:44. That space rock was moving at a speed only 20 kilometers per hour.

"We can see objects that pass this close or even closer only once every few months," said Timothy Spahr, director of the Minor Planet Center for International Astronomy Association (IAU) in Massachusetts, USA.

Asteroid 2009 DD45 was reported Its arrival on February 28. Siding Spring Observatory in Australia just record it as a small point. At that time, the asteroid is at a distance of 2.4 million kilometers and raced in very high speeds.

Compared to the other space objects, including a small asteroid with a diameter between 20-50 meters. Asteroids are solid rock objects that orbit in the region called Asteroid Belt which located between Mars and Jupiter.

"The objects that small is very difficult to see with the naked eye even at a distance that very close to Earth," says Spahr. However, amateur and professional observers can observe it with the telescope toward the right path.

Thanks to the help of amateur astronomers in various parts of the world, the shape of its orbit path can be predicted. That asteroid orbiting in the inner of solar system and expected to spend 1.56 years to circling the Sun once.

This shows that the chances of an asteroid may pass back near Earth is quite big because the orbit time that is not too much different. Even so, astronomers have not concluded that the object is threatening Earth or not.

"So far there are no extraordinary events," said Spahr. But many say there is an UFO near the asteroid when it passes, and here is the photo :
2009 DD45 UFO
The circled area is predicted as UFO that is near with 2009 DD45 asteroid

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Thursday

Kaspersky released a list of the Top 20 most dangerous viruses

Kaspersky antivirus software
Kaspersky antivirus software
Not all malicious virus programs and the like damaging the victim's computer. Several mild attacks just a little annoying. However, there are also some malicious programs that ferocious to alter or destroy files and even take over the victim computing system.

Kaspersky released a list of the Top 20 the most ferocious programs this month that assessed based on the number of objects that attacked the victim's computer. Malicious programs that capable of infecting files become the majority in this ranking.

Sality virus variants dominate the list. Sality.y is a new variant of Virus.Win32.Sality that coming into the Top 20 list this month. Sality.z has appeared on the list of the Top 20 for the second time. This shows the high activity of this family as a self-replicating program.

An interesting newcomer in the rank-2 is a P2P-Worm.Win32.Deecee.a. This worm spreads via peer-to-peer DC, and capable to downloading other malicious files. It has reached the Top 20 ranking on the list a second time not because of the number of machines infected by it, but because the number of copies of itself on every infected computer.

P2P-Worm.Win32.Deecee.a copying itself many times when being installed. Once installed, this worm copies itself to make it accessible to the public. The files infected with this kind of distribution might have a name with the following pattern: a prefix such as '(CRACK) "," (PATCH) ", then the name of a popular application like:' ADOBE ILLUSTRATOR (all versions)", "GTA SAN ANDREAS ACTION 1 DVD ", and others. By the way, here is the list:

1. Virus.Win32.Sality.aa
2. Worm.Win32.Mabezat.b
3. Net-Worm.Win32.Nimda
4. Virus.Win32.Xorer.du
5. Virus.Win32.Alman.b
6. Virus.Win32.Sality.z
7. Virus.Win32.Parite.b
8. Virus.Win32.Virut.q
9. Trojan-Downloader.HTML.Agent.ml
10. Virus.Win32.Virut.n
11. Email-Worm.Win32.Runouce.b
12. Worm.Win32.Otwycal.g
13. P2P-Worm.Win32.Bacteraloh.h
14. Virus.Win32.Hidrag.a
15. Virus.Win32.Small.l
16. Virus.Win32.Parite.a
17. Worm.Win32.Fujack.bd
18. P2P-Worm.Win32.Deecee.a
19. Trojan.Win32.Obfuscated.gen
20. Virus.Win32.Sality.y

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Friday

#3 template

#3 template web design
#3 template

Name : #3 template
Author : Arif Budi Prasetyo
Release year : 2009
Download address : http://pastebin.com/CGb02c0Y

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Tuesday

Panasonic LUMIX DMC-GX1: Micro Four Thirds Camera with ISO 12,800

Panasonic LUMIX DMC-GX1 camera
Panasonic digital re-enliven the micro four thirds camera market with the new LUMIX G series, the DMC-GX1. Compact System Camera (CSC) is equipped with the Live MOS sensor with resolution of 16 megapixels and a Venus Engine that ensures the quality of the resulting image resembles to the original object. To enable capturing the quality photos in poor lighting conditions, Panasonic has been "arming" GX1 with ISO sensitivity up to 12,800.

Just like the other LUMIX G camera series, GX1 adopt focus Contrast AF system which allows the process of focusing done by the image sensor. With this system, GX1 capable of producing high resolution images and reduce noise. Focus adjustment process can be done quickly with the Light Speed ​​AF Auto Focus that allows the process carried out in just 0.09 seconds. This speed can be achieved by synchronization between the lens and the sensor which is done with the speed of 120 fps.

LUMIX DMC-GX1 has a touch screen sized 3-inch LCD equipped with touch-control system so that users can adjust the focus of the camera by simply touching the screen with 460,000 dot resolution. With AF Tracking function, GX1 can lock and follow the movements of the subject in focus, even in motion. Just as digital cameras in general, GX1 can be used to record HD video in AVCHD format.

Panasonic LUMIX DMC-GX1 will be available soon on the market mid-December with a price range USD699.99 to USD949.99, depending on the choice of kit. There are 14 Micro Four Thirds lens that can meet the needs of its photographers-from standard zoom, telephoto, single focal length, wide-angle, fish-eye, macro, to the 3D lens.

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Sunday

Difference between "id" and "class"

(Image:Screenshot of tizag.com page)
Both terms are used to create custom CSS, that applied to HTML tags, but there are differences between "class" and "id".

We can use either the attributes "id" and "class" to apply CSS styles to page elements, but :
1. id only applied to a single object: it can't be two same id(s) in a page.
2. class can be used for more objects (identical or not).

For example, it is possible to have this code :
<div class="author"></div> <div class="author"></div>
But it is not possible to have this code :
<div id ="author"></div> <div id ="author"></div> 
Then, for what was id attribute made?

By the way, what is the reason of "id" can only be used once on a page? while "class" can be used several times, and has the same function with "id"?  There are several reasons for this, here are :

1. Javascript function getElementById using the id attribute to get or fetch the content inside of its id.
2. The id can be used as name anchor, as it allows to replace (for this feature) the attribute "name" of <a tag. For example :
<div id="header">... <a href="#header">Top of page</a>

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Tuesday

What are the criteria of a good website design?

(Image:Teresa Albor / USAID)
these days number of visits to my website has declined, while I asked my friend about it, he said my site has a problem in its design. Therefore, I would like to ask what are the design criteria of good website for visitors? and what should I do? thank you - Kadek Rai

Actually, there are no specific criteria for a good website design. So I would just give you an advice about the general criteria of good design. First, the load time, the shorter loading time, it is better. So, here is a summary of something that you should do to your site (especially, your design):
1. Minimize the use of animations, images, and javascript on your site.
2. Use an HTML compressor to shrink the size of the html file that you've created.
3. See more about the user's behavior of your site with Google Analytics

About what I found on www.7sisters.com. There I read about the the important points of a good website design, which is:
1. Accessibility
2. Compatibility
3. Convenience
4. Efficiency
5. Functionality
6. Legibility
7. Navigability
8. Originality
9. Typography

For further details, you can read on www.7sisters.com

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Friday

What is the best program for creating website?

Antenna Web design software (Image:screenshot)

Arif, i am in project of creating website that contains game, flash video, animation. Can you help me to recommend some programs that can help me to build this project website easily? - Suyanto

To create a dynamic site for free, you can use Joomla. This is a free tool (consists of scripts) for creating websites in php / mysql, easy to maintain and update, and there are many extensions to add features. Otherwise, Microsoft offers a free version of Visual Web Developer: express edition, for developing websites and web applications in ASP.NET (web programming language). And the other way, you can use desktop software to create your website manually (creating template, add anything that you want to add, upload), It may sound hassle, but the opportunity is you can develop the website as free as you want. Some of desktop programs i know : Macromedia Dreamweaver, Microsoft Frontpage, Antenna, NVU(free). I hope you're satisfied with the answer

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#2 template

website template
#2 website template
Name : #2 template
Author : Arif
Download : http://pastebin.com/uhC3db5i

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Thursday

#1 template

#1 template by Arif
Name : #1 template
Author : Arif Budi Prasetyo
Release year : 2008
Download address : http://pastebin.com/vC73VXAi

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