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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 #261

This Week I Learned -

* To plan for the storage account usage needs of Azure Backup, download the VM backup capacity planning Excel spreadsheet to see the impact of your disk and backup schedule choices.

Premium Storage supports B-series, DS-series, DSv2-series, DSv3-series, GS-series, Ls-series, M-series, and Fs-series VMs. You can use standard and premium storage disks with these VM types. You cannot use premium storage disks with VM series that are not Premium Storage-compatible.

Tab completion in PowerShell ISE makes long cmdlet names a lot easier to type, without the need for difficult-to-remember aliases.

Hardening of the OS is the act of configuring an OS securely, updating it, creating rules and policies to help govern the system in a secure manner, and removing unnecessary applications and services. This is done to minimize a computer OS's exposure to threats and to mitigate possible risk.

Google and Airbnb have two of the most popular JavaScript style guides out there

2 separate Google Sheets with similar data can be compared for changes

* At least 10 government websites, including those of the Union ministries of defence, labour, home affairs, and law and justice, were down on 6th April, initially sparking fears of a Chinese hack. Speculation about a Chinese hack began after Mandarin characters were noticed on the top left of the ministry of defence website while it displayed an error message. The National Informatics Centre (NIC) which develops and maintains government websites, explained that the Mandarin characters were the logo of content management tool Zen from a platform called Drupal that was used for the website.

* The difference between getting news from an RSS reader and getting it from Facebook or Twitter ..is a bit like the difference between a Vegas buffet and an a la carte menu - Wired

Electromagnetic hypersensitivity (EHS) is a claimed sensitivity to electromagnetic fields, to which negative symptoms are attributed. EHS has no scientific basis and is not a recognised medical diagnosis.  The United States National Radio Quiet Zone is an area where wireless signals are restricted for scientific research purposes, and some people who believe they have EHS have relocated there (places like Green Bank) seeking relief.

* The ulnar nerve is the largest nerve in the human body that is unprotected (meaning unprotected by muscle or bone, so injury is common). It goes from the shoulder to the finger nail beds. Where it is passes through the elbow, it is known as the funny bone. Ulnar nerve is also known as "musician's nerve" as it controls the fine movements of the fingers.

Israel is a major recipient of the US foreign aid

* Hollywood Star, Hedy Lamarr devised the concept of frequency-hopping radio signal during WWII in the hopes that it might be utilized to throw Axis missiles off-course. Though her concept never came to fruition during the war, her vision for spread spectrum technology is responsible for the creation of Bluetooth and WiFi.

* Dutch programmer Guido van Rossum is the creator of the computer programming language, Python. Python was designed with simple syntax and minimalism in mind, making it compact and modular.

* Amusing to see Charlie Harvey, the creator of the TwitRSS service that converts a Twitter feed to an RSS feed proclaim this in the footer of the website - "Mistakes are all my own."

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