Enough of Cloud Computing! Time for Paper Computing!

October 31st, 2012

Interesting article on DigInfo regarding research that will make it possible for computers to draw and erase on paper, effectively allowing paper to dual-function as both a computer screen as well as a “printed” hardcopy.

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“The idea is to do computing on paper. But in the future, we’d like to enable several people to create one document, like with Google Docs, actually using real-world paper while far apart. We’d also like to enhance the rendering that’s possible through collaboration between people and computers. For example, by giving more detailed access than you get by hand, and enabling you to draw large areas at once.”

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- Lem

HTTP 2.0 Officially In The Works

October 9th, 2012

IETF had announced that they are officially working on the next version of HTTP – HTTP/2.0.

Credits: Twitter

HTTP which stands for “HyperText Transfer Protocol”, is the underlying protocol that powers all your web-browsing activities – Facebook, Google, Yahoo, etc, all run on top of the HTTP protocol.

The current version of HTTP – HTTP/1.1 – had worked very well for the past 13 years since 1999; however, as it was originally designed for the serving of small static pages, the protocol was not optimal for rich and resource intensive web applications. HTTP/2.0 seeks to address this and will use Google-developed SPDY protocol as its basis.

SPDY improves on the existing HTTP protocol through 4 main features:

  1. Multiplexing multiple HTTP channels through a single (TCP) connection.
  2. Assignment of priorities to HTTP requests so that the important ones don’t get throttled.
  3. HTTP headers compression
  4. Server push/hints

Credits: http://dev.chromium.org/spdy/spdy-whitepaper

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- Lem

Comparison of FREE Image Hosting Services

October 4th, 2012

Was thinking of starting a travel blog, and travel blogs being image-heavy (what kind of travel blogs/books would feature lots of text but few pictures? Oh ya, Lonely Planet guidebooks… hahaha), I would need to find a suitable FREE image hosting service.

I’m not familiar with image hosting services, so I did a quick research and have narrowed my search to the following 4 image hosting services:

  1. Picasa Web (picasaweb.google.com)
  2. Facebook Photos (www.facebook.com)
  3. Flickr (www.flickr.com)
  4. Photobucket (photobucket.com)


I’ve evaluated the above 4 services based on:

  1. Free storage space
  2. Max image resolution/size
  3. Download Bandwidth
  4. Max video length/size*

*Note that I’ve added video length/size to complete the picture (pun intended).

Criteria Comparisons
Free storage space
Picasa 1024 MB. However, because photos up to 2048 x 2048 pixels and videos up to 15 minutes won’t count towards your free storage, the amount of free storage can be unlimited if you adhere to the above limits.
Facebook Unlimited
Flickr Unlimited, but restricted to 300 MB photo upload per month.
Photobucket 2 GB
Max Image Resolution/Size
Picasa Unlimited
Facebook 2048 x 2048
Flickr 30MB per photo
Photobucket Up to 5 MB each or 2048 x 1536
Download Bandwidth
Picasa Unlimited
Facebook Unlimited
Flickr Unlimited
Photobucket 10GB per month
Max Video Length/Size
Picasa Unlimited. Note that videos up to 15 minutes won’t count towards your free storage.
Facebook 200MB/10min
Flickr 150MB/90sec. 2 video uploads per month.
Photobucket 500MB/10min


I’ve eliminated Photobucket because of its storage and download bandwidth limitations.
To a lesser extent, Flickr, even though it provides unlimited storage, it restricts the amount of photos that I can upload per month, so I dismissed it as well.

This left me with either Picasa or Facebook.
Either one of the two could have suffice, but I chose to go with Picasa as I find Facebook a little too personal (it’s psychological ;) ).

How about imgur, ImageShack, and TinyPic?

I had not included services such as imgur, ImageShack, and TinyPic, as these services are more inclined toward “fire-and-forget” type of image hosting, and provide little in the way of ownership, or photos organization. Their main strength lies in their fuss-free image uploading and sharing – most of these services don’t even require you to sign up with them – and are therefore perfect for the occasional sharing of a funny picture on a forum, but falls short if you require more control over your images.

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- Lem

WSJ Interviews I Can Has Cheezburger? Founder

September 28th, 2012

Interesting interview by WSJ Digits Live with Ben Huh, founder of Cheezburger Inc(or more commonly known as I Can Has Cheezburger?):

(Credits: The Wall Street Journal)

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- Lem

Facebook Tracks Your Searches!! – View & Delete Your Search History Via Activity Log

September 23rd, 2012

Should have seen it coming – Facebook has announced that it’ll be rolling out a new feature that will allow users to view their search history in their “Activity Log”. This implies that Facebook will be, or had even been tracking your Facebook searches (stalking someone??? ;) ).

To be fair, Facebook is not the only one collecting your search history – Google had been too. Additionally, this information is private, and Facebook will allow you to delete your search history in your “Activity Log”.

Facebook Activity Log

Facebook Activity Log

To access your Activity Log,

  1. Go to your Timeline (click on your name in the top-left in your newsfeed/home page)
    Accessing Timeline

    Accessing Timeline

  2. From your Timeline, click on the “Activity Log” button near the top-right corner, but below your cover image
  3. To delete any item, just click on the small circle to the right of the offending item and choose “Delete”
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- Lem

RIPE NCC Down to Last /8 IPv4 Block

September 17th, 2012

A new milestone in IPv4 exhaustion history:

RIPE NCC, the Regional Internet Registry (RIR) for Europe, the Middle East and parts of Asia, has announced that it is down to its last /8 IPv4 block on 14 Sept 2012.

This makes RIPE NCC the 2nd RIR after APNIC (Asia Pacific Network Information Centre) to have reached their last /8 IPv4 block.

With 2 out of 5 RIRs having nearly exhausted their IPv4 address pools, this event highlights the imminence of IPv4 exhaustion and the urgent need for IPv6 transition.


The IPv4 address supply chain looks like this: IANA –> RIRs –> ISPs –> you, me and businesses.

So what happens when we run completely dry of IPv4 addresses? Well, not to panic! Those of us already allocated IPv4 addresses will function as we do today. However, new Internet users or websites will have to run on IPv6 – the new version of Internet protocol. Unfortunately, IPv6 wasn’t designed to be compatible with IPv4, so it may be possible that IPv6 users may not be able to visit IPv4 websites, and IPv4 users can’t visit IPv6 websites, unless some form of interoperability is implemented by either the user of the website. Some example interoperability techniques include dual stacks, and tunnelling – IPv6-in-IPv4 (e.g. 6-to-4, 6rd, protocol 41), IPv4-in-IPv6, IPv6-in-UDP (Teredo, TSP).

World IPv6 Launch Day Logo

Credits: http://www.worldipv6launch.org

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- Lem

Firefox 16 Introduces Graphical Command Line Interface

September 2nd, 2012

Firefox 16, currently in the Beta channel, will feature a new command-line interface that will allow you to control your browser as well as the webpage’s contents by typing commands into the command-line interface.

This command-line interface, known officially as “Graphical Command Line Interface (GCLI)”, can be accessed via the Tool -> Web Developer -> Developer Toolbar menu or using the keyboard shortcut “Shift-F2″.

Credits: hacks.mozilla.org

More details can be found in the video below from Mozilla:

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- Lem

CSS Margins and Paddings

August 22nd, 2012

A simple diagram to remind myself of how CSS margins and paddings relate to one another.

CSS margins and paddings

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- Lem

Cool! HTML5/Javascript Gameboy Color Emulator

August 13th, 2012

Saw this in TechCrunch – someone actually developed a functional Gameboy Color emulator using only HTML5/Javascript that could run in a browser without any plugins!

The link: http://gamecenter.grantgalitz.org/

Gameboy Color emulator

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- Lem

Newsflash: Facebook Now Support Subscription Payment Model

August 10th, 2012

Facebook has announced support for subscription payment model:


Credits: Facebook Developers blog

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- Lem