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Tech Tips, Tricks & Trivia

by 'Anil' Radhakrishna
An architect's notes, experiments, discoveries and annotated bookmarks.

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


This Week I Learned - Week #94

This Week I Learned -

Backstretch is a  MIT licensed jQuery plugin that allows you to add a dynamically-resized, slideshow-capable background image to any page or element.

The latest Azure SQL Database V12 (preview) provides nearly complete compatibility with the Microsoft SQL Server engine.

* The G-Series provides more memory and more local solid-state drive (SSD) storage than other Azure virtual machine (VM) sizes. The largest VM size in that series, Standard_G5 offer 32 Cores, 448 GB of RAM, 6,596 GB local SSD storage.

* Not all OData operations are supported by the Azure Table Storage REST API

* There are currently 3 Microsoft Azure certifications:
Developing Microsoft Azure Solutions - 70-532
Implementing Microsoft Azure Infrastructure Solutions - 70-533
Architecting Microsoft Azure Solutions - 70-534

* Microsoft Virtual Academy has video courses for 70-532 & 70-534. One of the presenter of the Developing Microsoft Azure Solutions course Sidney Andrews mentions that he was the author of the course 70-532 and points out that the patterns & practices guide Applications Design for Scale and Resilience & articles on MSDN on RoleEntryPoint class are important for the exam. The code for the demos shown in the course is available on Github.

The target of a Chrome shortcut for starting Chrome window maximized could be as follows:
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --start-maximized

If the server sends the header Content-Disposition: Attachment, then a browser downloads a file but if the server sends Content-Disposition: Inline, browser displays a file inline. If the server sends none, it is the browser, that must decide. Most browser assume inline.

To disable the Profiles button in newer versions of Chrome, type this in the omnibox (address bar): chrome://flags & then set the option named Enable new profile management system to Disabled. After you are finished, restart Chrome.

* Windows 10 will ship with a brand new browser, codenamed “Project Spartan.” Its features include the ability to annotate on web pages, a distraction-free reading experience, and integration of Cortana for finding and doing things online faster. Spartan is a single browser designed to work across the entire Windows 10 device family - from keyboard and mouse on the Windows 10 desktop to touch, gestures, voice, controllers and sensors. Internet Explorer will also be available on Windows 10. Spartan provides compatibility with the millions of existing enterprise web sites designed for Internet Explorer.

* Google's "Project Zero" team founded last summer, has a group of world-class security researchers looking for security holes in other company's (like Microsoft) software.

* 80% of Yelp's total revenues which stand at $232 million is local advertising.

Google revenues now exceed 40% of the TOTAL global TV ad revenues.

* "Last year there were 1.5 billion smartphones sold. That's more than all the PC's EVER!" - Albert Wenger at #DLD15

* "63% of American Millennials have NO credit cards." - Max Levchin #DLD15

* Web site owners use the /robots.txt file to give instructions about their site to web robots; this is called The Robots Exclusion Protocol. Web Robots (also known as Web Wanderers, Crawlers, or Spiders), are programs that traverse the Web automatically. Search engines such as Google use them to index the web content, spammers use them to scan for email addresses, and they have many other uses. There are quite a lot of robots out there

humans.txt is a TXT file that contains information about the different people who have contributed to building the website. The content of the NYTimes.com humans.txt reads: "NYTimes.com is more than just Pulitzer-winning journalism and global influence. It's home to some of the best engineers, designers, developers, architects, coders, hackers and tinkerers in the world"
lofty statements

MD5 and SHA-1 are both not encryption algorithms. They are cryptographic hash algorithms, meaning that you can't restore the data after passing it through the algorithm. MD5 is broken, so MD5 should not be used for any security applications. SHA1 is not known to be broken and is believed to be secure. SHA2 is preferred, until SHA-3 is finalized by NIST.

People’s Archive of Rural India (PARI) aims to archive every single spoken Indian tongue, which stands at 780 plus

* Zomato bought US based startup Urbanspoon for over $50 million, making this deal the largest purchase of a US based internet company by an Indian startup.

Koramangala in Bangalore and Hiranandani Powai in Mumbai are becoming thriving ecosystems to nurture startups in India.

* The California eighth-grader of Indian-origin, Shubham Banerjee has launched a company to develop lowcost machines to print braille, the tactile writing system for the visually impaired. Tech giant Intel Corp recently invested in his startup, Braigo Labs. Braille printers, also called embossers, cost at least US $2,000 -too expensive for most blind readers -especially in developing countries. Shubham wants to develop a desktop braille printer that costs around US $350 and weighs just a few pounds, compared with current models that can weigh more than nine kilograms.

* ICICI Bank now provides an option of sending an e-receipt in the form of a text message to the registered mobile number instead of printed slip when you transact at an ATM.

* Interesting facts on India from a HBR article -
- Barack Obama is the first American President to visit India twice while still in office.
- Netherlands and Taiwan have larger trading relationships with the United States than India does today.
- There is an Indian English Dictionary that can be accessed online
- Like most Asians, Indians are indirect communicators, and the normal blunt American style makes them uncomfortable.

* DRDO has 7809 scientists working on 530 projects with a budget of Rs 15,282 crores

* More than 40% of Fortune 500 companies were founded by immigrants or children of immigrant.

* The middle panel of a 3-panel Dilbert cartoon strip has the meaty lines

* The world has 1.2 billion Roman Catholics

* "The great challenge facing us today is to learn once again how to talk to one another, not simply how to generate and consume information" - Pope Francis

* "For with much wisdom comes much sorrow; the more knowledge, the more grief." - Ecclesiastes 1:18 (NIV)

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