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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 #270

This Week I Learned -

* When turned on, soft delete enables you to save and recover your data when Azure Storage blobs or blob snapshots are deleted. This protection extends to blob data that is erased as the result of an overwrite. All soft deleted data is billed at the same rate as active data.

With the addition of Standard SSD, Azure now offers three types of persistent Disks for use with Azure Virtual machines, optimized for different workload requirements: Premium SSD Disks, Standard SSD Disks, and Standard HDD Disks.

* GitLab, a remote-only company (with 270 people in 270 locations in 40 countries) and a competitor to Github was prepared for a deluge when Microsoft's acquisition of its competitor GitHub pushed more than 100,000 repositories to migrate to GitLab within 24 hours. Until recently, it all lived on a single cloud, Azure [irony noted], but the Microsoft/GitHub brouhaha caught GitLab in the middle of its own migration, away from Azure to Google Cloud Platform. The need to adopt containers in its own infrastructure is partly the reason behind its move to GCP. - ITPro Today

* Nowadays, GitLab and GitHub are more than “just” web-based git repositories for developers - they aim to provide DevOps toolchain

Overall, 26 million people and 1.5 million organizations created 67 million repositories on GitHub in 2017. According to Wikipedia, GitLab has 100,000 users (March 2017) and is used by enterprises such as IBM, Sony and NASA.

* Data deduplication, often called "intelligent compression" or "single-instance storage", is a method for reducing storage needs by eliminating redundant data.

Unstructured Supplementary Service Data (USSD), sometimes referred to as "Quick Codes" or "Feature codes", is a communications protocol used by GSM cellular telephones to communicate with the mobile network operator's computers. USSD messages are up to 182 alphanumeric characters long. Unlike Short Message Service (SMS) messages, USSD messages create a real-time connection during a USSD session. The connection remains open, allowing a two-way exchange of a sequence of data. This makes USSD more responsive than services that use SMS. USSD is generally associated with real-time or instant messaging services. There is no store-and-forward capability, as is typical of other short-message protocols like SMS.

* Google's Tez mobile payment app uses Audio QR codes that rely on sound transmitted at a frequency inaudible to the human ear from the payee handset to the merchant handset. This technology does away with the need for NFC chips on the handsets and holds an additional advantage because a significant number of smartphones in India and other developing markets do not have NFC chips embedded.

* Google Tez came up with attractive referral offers and incentives for customers which led to greater adoption of UPI platform. Unified Payments Interface (UPI) is an instant real-time payment system developed by National Payments Corporation of India facilitating inter-bank transactions. The interface is regulated by the Reserve Bank of India and works by instantly transferring funds between two bank accounts on a mobile platform.

* "Artificial intelligence works best on unstructured data. And no other country has the amount of unstructured data like India has. These are absolutely raw data, which need to be annotated, then fed into a model and that model is then used for projections. AI will be a technology like Excel of today." - Nivruti Rai, Country Head, Intel India

DHL's Logistics Trend Radar is a dynamic, living tool that captures the development of society, business and technology trends.

ThoughtWorks Technology Radar is a compilation of "insights into the technology and trends shaping the future"

* Programs that launch at startup are in this folder - C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup

* Microsoft conducts between four and seven interviews with each applicant before they receive a job offer.

* The estimated 300 million fans of Spanish soccer club Real Madrid, only 3% of whom are actually located in Spain, are no exception. Real Madrid is now the number one sports franchise on the planet, with global revenues of 660 million Euros.

* Rolls-Royce has more than 13,000 engines for commercial aircraft in service around the world. Their top-of-the-line Trent series engines that power aircraft including the Boeing 787 and Airbus A380, A350, and A330neo.

* In 1885, Johnson Controls invented the thermostat, a simple device which controlled the temperature of a room.

* Fuel generally accounts for a whopping 40 percent of airlines’ operating expenses. Even a 1 percent optimization of fuel consumption can save an airline millions of dollars annually.

* The Partition of India impacted 12.5 million people

* The Indian Army that fought in World War II was the largest volunteer army in history with more than 2.5 million men.

* Gandhi wrote and spoke widely of the need to have one script, Devanagari, for all language in India.

The meaning of dilettante has changed since it was borrowed from the Italian in the mid 1700s. Originally, it meant "lover of the arts," but began to take on a negative slant as the idea of doing something as a professional took hold strongly during the 18th century. A dilettante was a mere lover of art as opposed to one who did it professionally. Today, the word implies you're pretending to be more of an artist than you're interested in or capable of being - Vocabulary.com

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