Monday, November 26, 2012

Google Nexus 7 screen not rotating

When I get home, I wanted to check my e-mails using the Google Nexus 7. However, when I took it to my hand I noticed that it was stuck in the landscape mode. And even if I try to change position, the screen was locked. Most probably my 1 year old daughter has locked while she was playing with it. However, I didn't know how to unlock it. I check the "settings" but to no avail. Searched online and there was no simple instructions on how to unlock it. So, here I am, posting this post on how to unlock Nexus 7 screen if it is locked:

If you swipe from top around to mid section, you get the drop down menu but still does not help you unlock it. The trick is to swipe from where the battery icon is (see the red arrow below)


Once you swipe from the top-right you get the following drop down menu:From here it is pretty straightforward: Just click the "Auto Rotate" option. I hope this post helps someone out there. Best Regards.


Sunday, November 25, 2012

Costa Classica

Another ship photo from the St. John's Castle in Kotor, Montenegro. This time a cruise ship from Italy.

Costa Classica 
Ship Type: Passengers ship
Year Built: 1991
Length x Breadth: 220 m X 29 m
Gross Tonnage: 52926, DeadWeight: 7781 t
Speed recorded (Max / Average): 13.4 / 12.3 knots
Flag: Italy [IT] 
Call Sign: ICIC
IMO: 8716502, MMSI: 247819000

http://www.marinetraffic.com/ais/showallphotos.aspx?imo=8716502&photoid=1011588#top_photo

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Saturday, November 24, 2012

Arnavutluk Rozafa Kalesinden Ezan

Enver Hocanın altında onca yıl din yasaklanmasına rağmen, o yasaklayıcı zihniyete inat ezan Shkoder semalarında eskiden olduğu gibi yankılanıyor.


An old Ottoman mosque (Lead Mosque- Kurşunlu Camii) in Shkoder as seen from Rozafa Castle. The minaret has been exploded due to lightning struck.





View of Rozafa Castle as seen from airplane right after Podgorica airport

Sunday, November 18, 2012

Getting to Skopje city center from the Alexander the Great Airport

The main getaway to Macedonia is Alexander The Great Airport in the outskirts of Skopje. It is relatively small but definitely modern and very clean. It is built by the Turkish TAV (Tepe-Akfen-Vie) company which also built the airports in Istanbul.So, internal architecture-wise this airport is very similar to those in Istanbul. Once you reach the airport, there are several ways to get to the city center. I just want to briefly mention them.

There are many taxis waiting outside the airport.

There is also furgons operated by Vardar Express. The price to city center is 100 MK Dinar which is around 2.1 US$.

Here is the ticket for Vardar Express. There are several stops along the route. It also passes through the international bus station. Getting off around Hotel Holiday Inn is enough for walking to the historical old city, Stari Grad.

Just out of the airport, the roads looked good. Evidently, the Macedonian government is trying to beautify the country.


Right between the airport and city center, there is the municipality called Gazi Baba.

Halkbank was a big hit over there. All the billboards were full with their advertisements. Also Acibadem hospital was exhibiting itself everywhere.

Sunday, November 11, 2012

Corner Reflector (FDTD Animation)




Two corner reflectors with two different tilt angles have been simulated for demonstrating their reflection properties. The simulations are rendered using the total-field/scattered-field finite-difference time-domain algorithm. An identical incoming plane wave in the negative vertical direction hits the corner reflectors. Although having different tilt angles, they reflect the incoming way in the same positive vertical direction. Corner reflectors are known to be retro-reflectors and consists of 2 or more mutually perpendicular and intersecting flat surfaces. They automatically reflect the waves back towards to the source. In practice, they are used for calibration purposes (e.g. meteorological radars) and range detection. Also in maritime and air navigation, they are used to mark the desired objects on the radar screen (e.g. buoys, ships, runways etc). Corner reflectors are also used to as safety reflectors for cars, bikes, traffic signs and similar devices. Here, the reflectors are in the passive mode, but can also be used in semi-active mode to enhance the directivity of dipole antennas. Basically, by placing the dipole antenna in front of a corner reflector, the combined corner-reflector dipole antenna has a better directivity.


Wednesday, November 07, 2012

Gas Price Comparison between Albania, Montenegro, Turkey and US in September 2012

With a price tag of 4.92 TL per liter (roughly 2.16 euro) , Turkey became the most expensive country in the world in terms of gas prices. As I was traveling at the time, I had the chance to compare the prices in other countries such as Montenegro, Albania and the US. As you can see in the below snapshots, one liter of gas was 1.54 euros in Budva, Montenegro and it was 199 Lekes (~1.42 euros) in Albania. Meanwhile it was just 3.90 US$ per gallon (~1.03 $/liter which is around 0.78 euros per liter) in Portland, Oregon, USA.Deinitely, Americans enjoy the best price on gas and Turks getting hit the most. It will be good if we can have a chance to compare these prices in the future.

From Budva, Montenegro in Euros

Somewhere close to Tirana in Albanian Lekes
From Istanbul, Turkey




Saturday, November 03, 2012

Daily Internet Package by Telenor in Montenegro

Most cell phone companies in US force potential customers to buy a monthly plan for talk, text (SMS) and web services with certain amount of minutes or text or data. But in most cases, customers end up paying more than they actually use. A substantial amount of the minutes, texts and data remain unclaimed and this counts as a net profit to the provider. The prepaid plans are way more expensive (per minute) and lack satisfactory services for data. I have always thought why we cannot have simply plans where we just pay for what we use (as can easily be found in Europe). This is still a big dream in US. Anyways, I want to comment on a very customer-friendly plan I used and liked during my recent trip to Montenegro. There, I have used a plan which is geared mainly towards the tourists that stay for a short term in the country. Instead of paying for the huge roaming charges, for 5 euros, you can buy this plan and have 1GB of internet in a very satisfactory performance for a week. There is no talk on the plan but as you can use the Skype services you can virtually call anywhere in the world for a very cheap data plan fee. The plan is by Telenor and I definitely recommend everyone to have it once in Montenegro. I also wish that our service providers can also think such similar services for those who just want to pay for what they use.


Also in the neighboring country Albania, a voice and data plan of 400 leke (approximately 4 US dolllars) from Vodafone allows you to talk and use the internet with pretty good performance. Actually this is a better deal than the above, but considering the wealth of both countries, the price in Montenegro is understandable. Bor both plans, you should ask for the specific VPN data. Also for the Vodafone in Albania, have the shop you buy from call the calling center to open the line for data transfer in case English speaking personnel is not available in the calling center.