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Tech Tips, Tricks & Trivia

by 'Anil' Radhakrishna
A seasoned developer's little discoveries and annotated bookmarks.

Search from over a hundred HOW TO articles, Tips and Tricks


This Week I Learned - Week #117

Sunday, July 05, 2015
This Week I Learned -

* Both Microsoft and Google allow you to create accounts for their services with your existing email address like <you>@<anydomain>.com (without requiring a Hotmail/Live, Gmail address)

* You need to login to your Gmail account at least once every 9 months else Google may terminate your account according to their program policies.

Draw.io which lets you create architecture diagrams online has icons for Azure

* Typo-squatting - a minor change in the URL through text characters, has become a new method for hackers to infiltrate systems, especially when internet users are conducting financial transactions online.

* Amazon Web Services customers in India include Hike, PayTM, ZEDO, Freshdesk, Inmobi, Capillary Technologies, HackerEarth, Getit, Ferns N Petals, redBus, Druva, Vserv, Hungama, Tata Motors, Jubilant Food Works, STAR India, Future Group, Manipal Global Education, Classle, NDTV, Dalmia Bharat Sugar, Usha International, Macmillan India, Apeejay Stya and Svran Group

* NDTV has been using AWS since 2009 to run their video platform and all their web properties on AWS. During the May 2014 general election, NDTV using AWS was able to handle the unprecedented web traffic that scaled 26 times from 500 million hits on a normal day to 13 billion hits during election day, and regularly peaked at 400,000 hits per second - BusinessWire

* Amazon.com opened on the World Wide Web in July 1995.

After years of broadband and nationwide fibre-optic infrastructure targets, India remains stuck at a total of 15 million wire line broadband users. Yet mobile broadband use has exploded, currently standing at 85 million users, driven by apps like Facebook and WhatsApp, and the sharing of images and videos - BBC

Jayalalitha the first chief minister in India to be ejected from office for corruption.

* The NASSCOM Product Compendia lists product companies in India by city & category

* IRCTC, a mini-ratna PSU (Public Sector Unit) of Indian Railways has around 3 crore (30 million) registered users and the number is increasing by more than 15,000 new registrations a day.

* Ghee is the oldest type of butter. India is the highest producer of butter followed by US, Pakistan & Germany.

* "One of my main goals in life is not to be bored" - Professor David Gross, String theorist & particle physicist, Nobel laureate

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This Week I Learned - Week #116

Sunday, June 28, 2015
This Week I Learned -

Now you can get programmatic access to Azure usage and pricing data. You can call the Azure Usage API to get hourly and daily aggregations of your Azure consumption data. The Azure RateCard API offers an exhaustive list of available resources with their retail prices. 

* Google employee No. 107 Chade-Meng Tan (Meng)'s  current job description is, "Enlighten minds, open hearts, create world peace"

* "We're finding it's not necessarily the reality that shapes us, but the lens through which your brain views the world that shapes your reality. And if we can change the lens, not only can we change your happiness, we can change every single educational and business outcome at the same time." - Shawn Achor

* How much data does Google have?  According to Randall Munroe - "about 10 exabytes of data across all of Google's operations, and then another maybe five exabytes or so of offline storage in tape drives, which it turns out Google is about the world's largest consumer of.". Following this revelation, Google sent him a coded response through punch cards that when deciphered, read - "No comment".

* Quinoa (pronounced KEEN-wah) is a complete protein - meaning it contains all 9 of the essential amino acids which cannot be made by the body and therefore must come from food.

What is it that we have that no other animal has? My answer is that we have the largest number of neurons in the cerebral cortex, and I think that's the simplest explanation for our remarkable cognitive abilities. And what is it that we do that no other animal does, and which I believe was fundamental to allow us to reach that large, largest number of neurons in the cortex? In two words, we cook. No other animal cooks its food. Only humans do. And I think that's how we got to become human.

* The total number of post offices in India is 1,56,882


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Top 5 factors for a startup's success

Thursday, June 25, 2015
Bill Gross is the founder of technology incubator Idealab and 100 companies in the last 30 years. In a Ted talk, he reveals the single biggest reason why startups succeed - timing!




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This Week I Learned - Week #115

Sunday, June 21, 2015
This Week I Learned -

Microsoft publicly acknowledges IE/Edge team's size: ~300 people.

* Google is no longer an option as an Identity Provider for Azure ACS

At $89, Microsoft Official Practice Tests are costlier than the exam

Software doesn't work and no one cares

All DB2 editions share the same code base. The only technical differences among DB2 editions are resource limitations and advanced features or tool sets. Applications that are written for any DB2 edition can easily be moved to any other DB2 edition, on any operating system platform that is supported by DB2.

About 60 percent of global warming emissions is coming from the wealthiest 1 billion people while the poorest 3 billion can't afford or access fossil fuels

Reflecting on his career in medicine years later, Crichton concluded that patients too often shunned responsibility for their own health, relying on doctors as miracle workers rather than advisors.

* Notable "firsts" from the January 2015 issue of National Geographic
- 9th century AD - The Chinese discover gunpowder while looking for an immortality elixir
- 859 - The University of al Qarawiyyin in Morocco is founded by a woman, Fatima al Fihri.
- 12th century - Chinese merchants begin using paper money to avoid having to carry heavy coins
- 1897 - German Chemist Felix Hoffmann synthesizes aspirin in the lab - and two weeks later, heroin.

Music encourages us to dawdle: A famous study of background music and supermarket shoppers, conducted in 1982, found that people spent 34 percent more time shopping, with a corresponding uptick in sales, in stores that played music. And supermarkets tend to be devoid of external time cues: most have no windows or skylights, and shoppers are often hard-pressed to find a clock - National Geographic

* "We’re moving away from a purchase economy. We will subscribe to access rather than pay money for possessions such as smartphones. We won't buy software anymore; we'll subscribe to it. A new religion could emerge in the next decade or two, perhaps based around the environment.  Digital technology is the solvent leaching the glue out of our global structure – including shaking our belief systems to the core." - Paul Saffo, Technology Forecaster

* In the average home 75% of the electricity (used by home electronics) is consumed while the products are idle. The average desktop computer idles at 80 watts and the laptop idles at 20 watts

* Enough sunlight reaches the earth's surface each minute to satisfy the world's energy demands - for an entire year

* Only 10% of energy in a light bulb is used to create light. 90% of a light bulb's energy creates heat.

* Marine phototrophs account for 50 - 80% of the earth's oxygen productionWith regard to terrestrial oxygen production, NASA reports that 30% of the land is covered by trees, and as much as 45 percent of the carbon stored on land is tied up in forests. So on land, trees are definitely large contributors to oxygen production.

* Nigeria is Africa's largest economy.

* India is the fifth largest instant noodles market

* Amul ads have been around since 1976

* Among the ten countries with the largest Muslim populations, which are together home to almost 70% of the world’s Muslims, Turkey presents the biggest challenge for fasters during Ramadan, with 15 hours of daylight before they can break their fast at 8.20pm...Those observing Ramadan in Iceland—home to around 1,000 Muslims—are theoretically required to fast for almost 22 hours, thanks to the country's near-permanent daylight in June  - Economist

Deism holds that God does not intervene with the functioning of the natural world but rather allows it to function according to the laws of nature.

* All religions are equal-ly boring - Bart Simpson

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This Week I Learned - Week #114

Sunday, June 14, 2015
This Week I Learned -

To save a set of open tabs in Chrome (so that you can resume reading those pages later) you need only right-click on the tab bar and choose the ‘Bookmark All Tabs‘ option. In Firefox, use the keyboard shortcut  Alt+T+O+C to copy the URLs currently open within that browser.

* HTTPS is steadily becoming a standard for the web. Even for sites which don’t *need* encryption.

Wikipedia is in the process of implementing HTTPS to encrypt all Wikimedia traffic & also use HTTP Strict Transport Security (HSTS) to protect against efforts to ‘break’ HTTPS and intercept traffic. This will  make it harder for Internet Service Providers (ISPs) to censor access to specific Wikipedia articles and other information.

* The White House Office of Management and Budget (OMB) issued the HTTPS-Only Standard directive, requiring that all publicly accessible Federal websites and web services only provide service through a secure HTTPS connection. Per the issuance of this Memorandum, all publicly accessible Federal websites must meet the HTTPS-Only Standard by December 31st of 2016.

* In India, ICICI Bank is the first bank to use voice recognition service to identify customers based on their speech biometrics. Globally, Barclays PLC and Citibank NA use voice recognition for customers in London and Malaysia, respectively - Live Mint

Stanford and Google researchers, who collected data on the industry during the summer of last year, flagged 50,870 Chrome extensions as unwanted ad injectors, 38 per cent of which they decided were malware harmful to the security of users’ data - Forbes

Apple initially refused anyone else the ability to write software for the iPhone when it came out in 2007, and then opened the App Store, which expanded into a vast commercial territory

* America’s military presence in Afghanistan once stood at more than 100,000 troops. In Iraq, there was peak deployment of 218,500 in 2007 - Economist

* "The secret of life is to get lucky and stay there — and make the most of it every day" - Charley Ellis

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