Programming

• Generic
  • APIs
    • Nice website with cheat-sheets to API for many mainstream languages
  • Problems
    • Project Euler - Website with lot of programming problems to solve. This is helpful while learning new language for practise
    • Sphere Online Judge for practising programming
    • CodeChef - Online programming competition
    • Hackerrank - Online programming challenges
  • Articles
    • Article on people who do good at programming competitions perform poorly at job
    • Learn to think and not learn to code
    • Six most common species of code
    • Are your programmers working hard or?
    • Slides on Modern Concurrency: Erlang, Scala, Go, Clojure
    • Article describing advantages of using Racket for someone new to Programming or new to functional programming.
    • How to stay focussed and finish your hobby project
  • Books
    • List of free programming books
  • Websites
    • Website with tutorials and training material for safe coding
• C programming
  • pThread
    • POSIX threads explained
    • Pthreads argument passing
  • Language design
    • Top 10 ways to be screwed by 'C' (actual count is more than ten now)
    • Paper on C in Education and Software Engineering highlighting fallacies of using C to teach programming
• Erlang
  • Examples
    • Collection of Erlang example programs by Joe Armstrong
  • Tools
    • On-line Erlang interpreter
    • Hands on tutorial with online interpreter for Erlang
  • Tutorial or books
    • Learn you some Erlang is a good online book or tutorial for learning Erlang
    • Official erlang community website with how-to's, cook-book, best practices and other articles.
    • Nice page with details on how to use Erlang with Emacs
    • Entire github repository dedicated just for Erlang related bookmarks :)
    • A quick short tutorial on dialyzer and typer
    • A lengthy tutorial on dialyzer
  • Good programming practices
    • This page very nicely describes programming rules and conventions that Erlang programmers should follow. In order words, good programming practices for Erlang are described.
  • Articles
    • Article on software maintenance and how OTP which helps in structuring code helps in maintenance
    • Nice article by author of http://www.tryerlang.org on attacks used on on-line interpreter.
    • Talk by RickReed, an engineer at Whatsapp
    • Rick reed's interview
    • Whatsapp exceed 200 million monthly users
    • Whatsapp blog
    • Article by Evan Miller on Why I program in Erlang
    • Article comparing various NoSQL databases. CouchDB and Riak are among top four.
  • Talks
    • Presentation by creator of couchdb Damien Katz on why he built it, its impact on his personal life and a line or two on why he chose Erlang
    • Talk on horizontal scaling using Riak at kiip
• Android
  • Tutorials
    • A beginners how-to with links to other useful websites for learning Android app development.
• Python
  • Tutorials and Articles
    • Article on python and django learning
    • A number of useful tutorials on django
    • Nice page on good programming practises for python
• Javascript
  • Example or demos
    • WebGL - Water demo
    • Two robots JS game

Funny

• Articles
  • Quotes
    • Famous it will never work quotes from history
    • Exerpts from various thesis
  • News
    • Article on bloated hacker Ankit Fadia by Chip magazines editor
  • General information
    • Page highlighting celebrity look alikes. My favorite is Jodie Foster VS Helen Hunt VS Leelee Sobieski
    • A bigger list of celebrity look alikes
    • Why smart women go for jerks
    • Article on Matis shrimp with 16 types of color recepting cones
  • Stories
    • Story of developing a coffee ordering application.
• Videos
  • Changed sub-titles of "Der Untergang" Hitler scene
    • Hitler being banned from IIIT proxy for too many downloads
    • Hitler's paper rejected from Ecology conference
  • Jaspal bhatti flop show
    • On PhD
• Pictures
  • Cool pictures
    • Perfectly timed pictures on a website dedicated for such pictures.

Articles

• Educational
  • Advertizing
    • Explaination of how advertizements use misleading language while still remainging technically or legally correct
    • Slides on how no brand is your real friend
    • Presentation on death by powerpoint
    • How to determine return on Investment on anything
  • Cognitive
    • TEDx talk on why not to watch porn
    • Ted or TEDx talk on advertizing image of Women
    • Ted or TEDx talk on how to stop screwing oneself to become successful
    • Ted talk on power of introverts
    • Ted talk on honest liars and how we lie to ourselves everyday
    • 36 quesitons which when people answer honestly to each other, they seem to fall in love
    • Article on how people can be made to fall in love with each other in a lab experiment
    • Animated video on science of persuasion
    • Wikipedia article on Motion induced Blindness. This affect is applicable while driving / flying, if we keep looking in same direction continuosly.
    • Video on personality traits explaining OCEAN model. The video also has a link where participant can give test to see their score on OCEAN parameters. My results are I'm a O41-C97-E42-A79-N1 Big Five!!
    • Article on how languages affect our thinking
    • Nice talk on hammock driven development, that is, taking time thinking about the problem enough so that our mind works on it when we are asleep
    • What Internet is doing to our brains?
    • Dustin Hoffman on his character in film tootsie where he acted as a woman
    • RSAnimate video on mirror neurons and empathy
    • Ted Talk on origins of pleasure
    • Animated film on what happens in brain when we meet a crush
    • Ted talk on where good ideas come from.
    • Ted talk on what motivates us to work?
    • Ted talk on what motivates people to cheat?
  • Climate change
    • A video explaining political prisoner dilemma and use of simpol to solve the problem of global climate crisis
    • Video explaining oil mining process used in Canada which is most polluting oil obtained and its effect on environment and people
    • Talk on climate change and how it can be reversed by planned cattle grazing
    • How wolves in yellow stone national park changed geography
  • Success
    • Successful people often try to make best of each opportunity they get which may not be very good for their overall career.
    • Working one of the dangerous forms of procastination
    • Tips for giving good interview
  • General science
    • Article which nicely describes fermi paradox related to reasons why we have not found proof of alien life yet.
    • Video series on boundaries of knowable by CERN particle physicist Russell
    • Nice article describing how various factors such as Depth of Discharge (DOD), Temperature, etc. affect battery life.
    • News article on how ants have been using protocols similar to TCP for coordination
  • Schools
    • Ted talk on how current schooling is outdated and how learning should be encouraged rather than imposed. Talk on alternatives to schooling by Carol Black
  • Time management
    • Slides with 26 good tips on efficient time management.
  • Society
    • Ted Talk on how men are abused in Indian society
    • Youtube video describings Karl Marx views on capitalism and how they are relevant today
    • Youtube video on general wealth inequality. Richest 300 people have wealth equal to wealth of 3 billion poorest people.
    • Youtube video explaining India is not chaotic, it has multiple patterns with negotiable boundaries
    • Ted talk which explains about how to help people and how to become successful enterpreneur
    • Ted talk by Melinda Gates on what we can learn from coca cola (coke)
    • Ted talk on Varun Agarwal who became successful enterpreneur
  • Informative
    • Stanford Open Office video on how to design a life. Useful for people who have not yet identified their main interests or career choice.
    • Stanford Open Office video on self-doubt, stress (academic, hodliday) and research studies
    • Large number of very high quality videos for learning simple facts
    • Link with detailed information on air plane crash and resulting fatalities
    • The placement packages reported by news in crores do not explain the complete situation.
    • 15 free educational websites
    • Youtube video on complex international borders
  • Logic
    • Common logical fallacies
    • Ted Talk on drawing flow diagrams to solve complex problems
• Paradox
  • Dating
    • Carol Syndrome - Explains why less man approach hot girls
  • Sunken costs
    • Wikipedia article on sunken cost fallacy
    • Dollar auction game and sunken costs
    • Really nice set of examples on Sunken fallacy
• Advice
  • Entrepreneurship
    • 25 entrepreneurs tell what they wished they'd known before founding their first startup
    • 30 tricks from 6 unexpected industries for success and innovation
  • Career choices
    • Slides on secrets of highly successful graduates
    • Don't join big MNC by CEO of Ooga Labs
    • 10 reasons to quit your job in 2014
    • Habits of boring people - Write everything done
  • About IT in India
    • Slides on what is wrong with Indian IT industry.
  • Life
    • Video dispelling current thoughts on nature vs nurture
    • 10 sad truths about adulthood
    • 20 mistakes you don't want to make in your 20s
    • Thirty things to do before you die article
    • Article on generation of people how refuse to grow up and remain unmarried, own no property etc.
    • 15 cynical minimalistic illustrations that reflect our time
    • 7 crippling parenting behaviors that keep children from growing into leaders
    • Nice answer on quora related to question on difficult things people have to learn in their twenties.
    • Teacher follows students time-table for few days
  • Marriage related
    • List of 276 Questions that one can ask to find out whether you have compatible partner or not
    • 15 questions that person you are going to marry should be able to answer honestly
    • Ted Talk on Marriage

Tips and Tricks

• Computer
  • General
    • Good computer tricks (Quora link)
    • About 100 good tech life hacks
  • Browser related
    • Use browser as a scratchpad / notepad
  • Windows specific
    • Problem stpes recorder for Windows (Quora link)
    • Reset windows password for any user in Windows 7 (Quora link)
  • Linux related
    • Tackling special characters in proxy password on Linux
    • Lot of articles related to Zimbra
    • Ansible related articles
    • How tos for CentOS
    • Many How Tos including Zimbra
    • Linux articles in Many categories. There is useful sitemap at Sitmap.
    • Hows tos for CentOS, Fedora and ubuntu
    • Beginner articles on Linux
• Mobile
  • Android
    • List of android secret codes

Operating Systems

• Education
  • Building Operating Systems
    • A very good resource center for operating system development
• Disk or drive related
  • Partitions or File Systems
    • List of various partition identifiers (like 83 for Linux) and their meanings.
    • Steps for how to recover partition table
    • Benchmarks comparison of XFS, ext4 and btrfs
    • Wikipedia article on comparison of file-systems
    • Article on dramatic speed improvements on disabling barrier for journaling filesystems
    • Article on barriers and journaling filesystems
• Tools
  • Emulators or Simulators or Virtualization
    • Link to Bochs IA-32 instruction set emulator. Bochs can help in running unmodified OS inside a parent OS.
  • Profiling
    • Article describing large number of linus profiling tools and techniques
  • Remote Desktop
    • Nice article describing various useful tools that can help with Remote desktop in Linux.

Virtualization

• Containers
  • OpenVZ
    • Slides on openVZ based container virtualization.
    • Nice article on how containers evolved and their advantages
    • Wikipedia page on different types of operating system level virtualization
• VMs
  • Converting VMs Type/Hypervisor
    • Converting KVM VMs to virtual-box

Cloud computing

• Articles
  • Best practices
    • Nice article on chaos monkey highlighting the importance of redundancy in a system.
• Videos
  • Advantages of cloud computing
    • Nice presentation by scientists at NASA JPL (Jet Propulsion Laboratory) explaining how they use clouds to achieve phenominal advantages over tradional approaches at the time
  • Private cloud
    • Nice video presentation comparing CloudStack, eucalyptus and OpenStack
    • List of 30 private cloud computing vendors
  • AWS
    • Videos on major AWS services such as EC2, S3, etc.
• Tools or utilities
  • Private cloud
    • Stackops official website. The installation of openstack seems to have been simplified to a great extent by stackops team.
  • Public cloud
    • AWS reverse DNS entry or reverse lookup configuration request form
• Presentations
  Public cloud
  • Presentation on Amazon web services and cloud computing explaining advantages of cloud computing and of using Amazon in particular
  Big Data
  • Presentation on 25 amazing facts on big data

Networks

• Protocols
  • ICMP
    • Using ICMP to troubleshoot TCP/IP networks
  • IMAP
    • IMAP protocol CRIB sheet
• Troubleshooting
  • Windows networking
    • Getting 0.0.0.0 as gateway in Windows
• Articles
  • Crazy
    • Root DNS security is controlled by 14 people who have 7 secret keys.
  • Browsers
    • Link which contains updated information on browser technologies (the web platform)

Security

• Passwords
  • Password cracking
    • Nice article on how password cracking techniques have improved over last few years.
  • Understaing crypt
    • Article describing md5 crypt algorithm in sufficient detail.
  • openLDAP ppolicy schema
    • Information on openLDAP ppolicy schema based account locking. TODO: This should be learned and converted to notes_wiki.
• Vulnerabilities
  • Statistics
    • Comparing various browsers with respect to discovered vulnerabilities discovered
    • Comparing various OS with respect to vulnerabilities discovered
  • Hardware
    • Lenovo tends to have back-doors in laptops.
    • Article on HP's practise of installing secret backdoors in its enterprise storage offerings
    • Segate NAS Zero day vulnerability allows unauthorized remote root access
• Certificates
  • SSL certificates
    • Nice page describing methods to view and convert various type of SSL certificates from one format to another
    • Nice talk describing sorry state of SSL and how we should prefer TLS1.2, ECDHE, AES-128 etc. over others
    • Various useful links related to SSL and TLS by Hynek Schlawack who presented talk on sorry state of ssl linked above.
• Firewalls
  • iptables
    • Nice page describing various iptables modules which can perform extra-ordinary operations normally not even expected from a firewall
• Software
  • Articles
    • Article on how software security giant Toyota ignores basic software security or even basic software engineering principles
• Tools
  • Website or domain blacklisted
    • This site checks all MX records and IP address of MX record for blacklisting.
    • This site checks various blacklisting sites for server IP or domain name.
    • This site checks health of a domain with respect to its DNS entries, SSL certificates, etc.
    • This site checks for IP address blacklisting in large number of blacklisting lists

Research

• Papers
  • Literature survey
    • (PDF) How to read a paper (References include links to technical writing resources)
    • How to manage and export bibliographic notes in org-mode
  • Presentation
    • Nice presentation by Simon Peyton Jones on how to prepare paper slides and write research papers
• Conferences
  • Listing
    • A wiki page for conference call for paper listings
• Researchers
  • Ranking
    • Website which allows searching for researchers and also ranks them based on various types of indexes
• Phd
  • Decisions and choices
    • Useful information on how to choose PhD supervisor
    • Things to consider before enrolling for a PhD program
    • Very useful advices for students thinking about PhD or already pursuing one
    • Illustrated guide to PhD

Tools or Utilities

• Command-line
  • Graphs
    • Useful tutorial on how to use gnuplot to draph graphs
  • vim
    • Page containing many useful vim shortcuts.
• Web based
  • Presentation
    • Prezi.com - This site can be used to create very impressive presentations
    • For writing emails based on a few quick points
    • Article on 5 new ways of preparing presentation instead of using power-point. The list inclues prezi too.
    • This can be used to generate text in various forms to be used as images / logos for presentations etc. This is similar to Word art that used to be there in MS Word in past
  • Time related
    • Nice page which allows converting from IST to time for various other countries
  • Download related
    • Wiki how article on downloading youtube videos using VLC
    • Website from where various IT ebooks can be downloaded for free.
    • Website for downloading songs
    • Send large files upto 16GB to others with just web browser without registration
  • Online streaming
    • Both movies and TV series - losmovies
    • Website for free new movies streaming - motionempire
    • Website for free movie and TV series streaming - crackle
    • Not so famous B movies online streaming - bmovies
    • Free movies and TV series - tubeplus
    • Free movies streaming - justclicktowatch
    • For latest movies and TV series with good print
  • Networking
    • Online subnet calculator for both IPv4 and IPv6
    • Hurricane Electric - IPv6 tunnel broker - It can be used to get IPv6 connectivity through IPv4 ISP through tunneling
    • Good online ping utility with its computers spread across the globe through which both DNS resolution, TTL and reachability for a destination can be checked.
    • Bulk IP to location (City, Country) finder
    • Blacklist checking for mail server
    • Domain blacklist checking
    • Online domain and mail black list checking
  • Mobile related
    • On-line QR code generator
  • Hyderabad related
    • The link shows highest and lowest observed temperatures in Hyderabad for any past date and today
    • The page shows weather forecast for Hyderabad for next few days.
    • This page also shows weather forecast for Hyderabad for next few days
  • Games
    • Nice online typing game.
  • Chat
    • Online text chat by creating a room with desired name where people can join in easily and start talking
    • Online video chat without registration or without any kind of installation
  • Security related
    • Utility to check strength of password
    • Sites that can be opened without https:// for testing (a) neverssl.com, (b) nonhttps.com
• LateX
  • Packages
    • CV packages for LaTeX
• Mobile
  • Android
    • 40 most downloaded android apps
• Desktop
  • Excel
    • SUMIF and SUMIFS Excel formulas
    • Useful excel shortcuts

Food and Health

• Vegeterian diet
  • Vegan diet
    • Meat is a killing industry
    • Nice article on tips on transiting to vegan life-style. The author regularly blogs on topics related to veganism.
    • Earthlings youtube video
    • Nice article on why vegan diet should be preferred. The article is nicely linked to dozens of other articles which are very helpful..
    • [Video] A video by PETA India on study about cruelty to dairy animals. The video can be disturbing, but at least it shatters assumptions that one is not harming animals while using dairy milk.
    • Frequently asked questions related to shifting to vegan diet
    • Answers to common questions related to vegan diet in video format
    • Video of presentation by famous animal activist on why vegan ways should be preferred.
    • Article with various supporting links and videos explaining why vegan life-style should be preferred.
    • Website from where soya milk can be ordered.
    • Article stating that vegans have lower chances of cancer in comparison to both vegetarians and non-vegeterians.
    • 60 common comments that vegans hear
    • Compassion over killing. Very nice blog on Vegan food and animal compassion related topics.
    • Article describing why honey is not vegan esp. in Indian context
• Dry Fruits
  • Pistachios (Read nuts related articles too)
    • Health benefits of pistachios, seeds and other nuts in reducing cholesterol, LDL, non-HDL, etc.
    • This articles discusses effects of pistachios on blood sugar and diabetes.
    • This articles discusses side effects of pisatchios. Note that salted and roasted pistachios are not very good.
  • Nuts
    • Article which tries to justify health benefits of nuts and seeds. Do read the comments for complete overview.
    • Article describes negative effects of nuts. Note that pistachios seem to be better in terms of calories than other nuts.
• Eye health
  • Contact lenses
    • [Video] This video describes various types of contact lenses and their advantages or disadvantages.
  • Lasik
    • Lasik feed-back from people who got operated
• Talks, videos and articles on food
  • News
    • News on how pesticide companies threatened a researcher for publishing ill effects of pesticides
  • Talks on food
    • Ted talk on wastage of food.
    • Ted talk on how leather and meat can be cultured in lab without killing or harming animals.
    • Ted-X talk on why fasting is good for brain
  • Videos on food
    • Video explaining how genetically modified food (both crop and organisms) are very bad for health and environment
  • Articles on food
    • 50 secrets waiter wont tell you
• Milk
  • Health effects of milk and milk products
    • This article is related to effect of milk and milk products on bone health. This article is properly referenced, so it is possible that this is correct.
• Cold drinks
  • Harmful effects of diet soda
    • Article descrbing harmful effects of diet soda, which is considered to be healthy by many people.
    • What cocacola does to body?
• Purchasing food items
  • Madhya Pradesh food items
    • Ordering Madhya Pradesh specialities such as sev, jeeravan, etc. online
• Beauty
  • Videos or Documentaries
    • Documentary by National Geograpy on Beauty and how people go to extreme measures to make themselves beautiful in their perspective.
• Covid-19 or coronavirus
  • Videos
    • Video of Spanish MD who explains try avoiding coronavirus as much as possible, knowledge is still evolving. Also shows that virus is not infecting based on age. People with any age can become serious. About 85% people do not have symptoms or only mild symptoms. Ensure to enable English subtitles for the video

Maths

• Probability
  • Estimations
    • Nice video explaining about use of powers of 10 to estimate large numbers
    • Website with estimates on world population and various other interesting statistics.
• Prime numbers
  • Tests
    • A wiki-page explaining various methods for checking if number is prime or not
• Articles
  • Paradoxes
    • 12 controversial facts in mathematics

English

• Grammar
  • Articles
    • Grammar Girl - Quick Tips on Grammar divided into hundreds of small articles
    • English Club - Section for learning grammar
    • English Grammar Online For You - On-line website for learning English grammar
    • Daily Grammar - Website for learning grammar online
    • Simon Fraser University - Style exercises for technical writer

Software Engineering

• Project management
  • Agile development
    • Nice video which explains agile method for software development using scrum in less than 10 minutes.
• Versioning
  • Git
    • Nice tutorial on git version control system.
    • Slides on git branching model. The slides explain difference between rebase and merge quite extensively.
    • This article explains various problems with git design making it less user friendly.
• Keeping things simple
  • Talks
    • Talk on keeping things simple by Clojure's creater Rich Hickey.
    • Talk by Greg Wilson on "what we know about building software and why we think we are right?"
    • Talk by Rob Pike on difference between concurrency and parallelism., Slides
• Classical problems
  • Concurrency problems
    • Dining philosophers problem
    • Sleeping barber problem
    • Producer consumer problem
    • Readers writers problem
    • Little book of semaphores
• Source code repositories
  • Systems related
    • Netflix Open Source Software Center
• Miscellaneous
  • Search Engine Optimization (SEO)
    • List of 200 odd factors considered by google before ranking a domain.
  • Good designs and practices
    • A 12 factor approach for designing very scalable and reliable SAAS applications

Science

• Videos
  • Big, Bigger, Biggest series
    • Airports
    • Trains
    • Cruise ships
    • Space stations
    • Suspension bridges
    • Cargo planes
    • Telescopes
    • Submarines
    • Skyscrappers or buildings
  • Ted talks
    • Page summarizing 100 different ted-talks and linking to all of them.
    • House made just of bamboo
    • Surprisinhly logical minds of babies
  • Quantum Theory
    • Video of talk at Imperial College London on Quantum Theory (Youtube)
• Utilities
  • International Space Station (ISS)
    • This site can be used to get email notification in advance about ISS going to pass over the given location.
    • This site can provide real-time information about location of ISS
    • This is live stream of how earth looks from ISS
• Space
  • Universe
    • Universe is scary
    • Universe in nutshell

Environment or Society

• Videos
  • Talks/Presentation
    • Full movie 'I am' on how the world is designed for cooperation and not for competition. The movie explains how we are all connected by a force field and how our actions affect each other.
    • Speech by a 13 year old girl addressing members of UN on environmental issues.
    • Small video about a person with no limbs and how he carries on with his life.
    • Video on how by planting trees erosion of soil was prevented to allow agriculture in the remaining area. This has resulted into change in complete eco-system in various countries.
  • Animated narration
    • Ted-Ed video on oceans and their significance
  • Useful messages
    • Video for spreading the message to stop spending so much time using phone and to interact with people around us more often.
• Pictures
  • Collections
    • 100 iconic pictures taken in last 10 years
    • 29 clever drawings to highlight things that are wrong with the world

Travel

• Abroad
  • Currency
    • Article on forex and travel cards. Comments indicate one should not buy these.
    • HDFC Forex Plus Card
    • ICICI Bank travel card
    • Articles recommending use of card Telegraph India, Economic times and The hindu business lines
  • VISA
    • USA B1-B2 VISA site
  • License
    • Forum where many people are discussing whether one can drive in USA with Indian Driving License with B1-B2 VISA
    • Article on driving in USA with Indian drivers license
• Travel sites
  • India
    • Getaways near mumbai and pune
    • 100 beautiful places in India for tourism

Local Indian websites

• Tools and utilities
  • Health
    • Website which lists hospitals covered under medical insurance based on insurance provider
• Political information
  • Articles
    • Article explaining how so many claims made about Gujarat government are falsified with appropriate references.
  • Videos
    • A very useful resource answering many FAQ about AAP
    • Video interview of Arvind Kejriwal on google hangout
• Facts or situation of country
  • Videos
    • Documentary on prevalent farmer suicides in India
    • Link showing accidents in india captured using traffic camera
    • Another link showing accidents in india

Big Data

• Databases
  • Articles
    • Many interesting definitions of what is a big database?

Servers or systems

• LDAP
  • OpenLDAP
    • A very good extensive manual for learning OpenLDAP including cn=config format
• Automation
  • Ansible
    • Good repository of ansible examples (Github)
• Storage
  • RAID
    • RAID level recommendations from dell
    • Equallogic RAID Tech report and best practises
    • Is data safe with RAID 5?
    • RAID 5 considered harmful
• Linux
  • Blog or howto or articles
    • Good set of articles on Linux, programming and related topics

Lists

• Movies
  • Hollywood
    • Must see movies for 21st century (Quora link)
• Brain teasers
  • Online
    • List of best brain teasers (Quora link)

KB articles

• Windows
  • Tools
    • Using puttygen to generate SSH key-pair on Windows and get openssh compatible public key
    • Using puttygen to create SSH key pair and then configure the private key in WinSCP for key based authentication