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Install and run your first noSQL MongoDB on Mac OSX
Classified as a NoSQL database, MongoDB is an open source, document-oriented database designed with both scalability and developer agility in mind. Instead of storing your data in tables and rows as you would with a relational database, in MongoDB you store JSON-like documents with dynamic schemas; This makes the integration of data in certain types of application easier and faster.
Why?
MongoDB can help you make a difference to the business. Tens of thousands of organizations, from startups to the largest companies and government agencies, choose MongoDB because it lets them build applications that weren’t possible before. With MongoDB, these organizations move faster than they could with relational databases at one tenth of the cost. With MongoDB, you can do things you could never do before.
- Install Homebrew
$ /usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”
Homebrew installs the stuff you need that Apple didn’t.
$ brew install wget - Install MongoDB
$ brew install mongodb - Run MongoDB
Create the data directory: $ mkdir -p /data/db
Set permissions for the data directory:$ chown -R you:yourgroup /data/db then chmod -R 775 /data/db
Run MongoDB (as non root): $ mongod - Begin using MongoDB.(MongoDB will be running as soon as you ran mongod above)Open another terminal and run: mongo
- Install Homebrew
References: https://docs.mongodb.com/manual/tutorial/install-mongodb-on-os-x/
JSON : JavaScript Object Notation
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What is JSON : JavaScript Object Notation?
Source: https://www.json.com/
What is JSON?
JSON is a lightweight text-based open standard designed for human-readable data. It is the most widely used format for exchanging data on the web. It originates from the JavaScript language and is represented with two primary data structures: ordered lists (recognized as ‘arrays’) and name/value pairs (recognized as ‘objects’).
Why JSON?
The JSON standard is language-independent and its data structures, arrays and objects, are universally recognized. These structures are supported in some way by nearly all modern programming languages and are familiar to nearly all programmers. These qualities make it an ideal format for data interchange on the web.
JSON vs XML
The XML specification does not match the data model for most programming languages which makes it slow and tedious for programmers to parse. Compared to JSON, XML has a low data-to-markup ratio which results in it being more difficult for humans to read and write.
JSON Data Types
- Number{ “myNum”: 123.456 }
A series of numbers; decimals ok; double-precision floating-point format. - String{ “myString”: “abcdef” }
A series of characters (letters, numbers, or symbols); double-quoted UTF-8 with backslash escaping. - Boolean{ “myBool”: true }
True or false. - Array{ “myArray”: [ “a”, “b”, “c”, “d” ] }
Sequence of comma-separated values (any data type); enclosed in square brackets. - Object{ “myObject”: { “id”: 7 } };
Unordered collection of comma-separated key/value pairs; enclosed in curly braces; properties (keys) are distinct strings. - Null{ “myNull”: null }
Variable with null (empty) value.
Unsupported Data Types
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- Undefinedvar myUndefined;
Variable with no value assigned. - Datevar myDate = new Date();
Object used to work with dates and times. - Errorvar myError = new Error();
Object containing information about errors. - Regular Expressionvar myRegEx = /json/i;
Variable containing a sequence of characters that form a search pattern. - Functionvar myFunction = function(){};
Variable containing a block of code designed to perform a particular task.
JSON cheat sheet
Example1: Mixed Data Types
var myObject = {
“myNumber”: 123.456,
“myString”: “abcdef”,
“myBool”: true,
“myArray”: [ “a”, “b”, “c”, “d” ],
“myObject”: { “id”: 7 },
“myNull”: null
};
Example2: Send HTTP POST request with JSON to a http://url with the following string fields: ‘first_name’, ‘last_name’, ’email’, ‘phone’,’urls’
curl -X POST -d ‘{“first_name”: “John”, “last_name”: “Doe”, “email”: “johndoe@email.com”, “phone”: “000-000-0000″,”urls”: [“https://djamga.com”,”https://enoumen.com”,”http://twitter.com/enoumen”]}’ http:/url -H ‘Content-Type: application/json’
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List of Freely available programming books - What is the single most influential book every Programmers should read
- Bjarne Stroustrup - The C++ Programming Language
- Brian W. Kernighan, Rob Pike - The Practice of Programming
- Donald Knuth - The Art of Computer Programming
- Ellen Ullman - Close to the Machine
- Ellis Horowitz - Fundamentals of Computer Algorithms
- Eric Raymond - The Art of Unix Programming
- Gerald M. Weinberg - The Psychology of Computer Programming
- James Gosling - The Java Programming Language
- Joel Spolsky - The Best Software Writing I
- Keith Curtis - After the Software Wars
- Richard M. Stallman - Free Software, Free Society
- Richard P. Gabriel - Patterns of Software
- Richard P. Gabriel - Innovation Happens Elsewhere
- Code Complete (2nd edition) by Steve McConnell
- The Pragmatic Programmer
- Structure and Interpretation of Computer Programs
- The C Programming Language by Kernighan and Ritchie
- Introduction to Algorithms by Cormen, Leiserson, Rivest & Stein
- Design Patterns by the Gang of Four
- Refactoring: Improving the Design of Existing Code
- The Mythical Man Month
- The Art of Computer Programming by Donald Knuth
- Compilers: Principles, Techniques and Tools by Alfred V. Aho, Ravi Sethi and Jeffrey D. Ullman
- Gödel, Escher, Bach by Douglas Hofstadter
- Clean Code: A Handbook of Agile Software Craftsmanship by Robert C. Martin
- Effective C++
- More Effective C++
- CODE by Charles Petzold
- Programming Pearls by Jon Bentley
- Working Effectively with Legacy Code by Michael C. Feathers
- Peopleware by Demarco and Lister
- Coders at Work by Peter Seibel
- Surely You're Joking, Mr. Feynman!
- Effective Java 2nd edition
- Patterns of Enterprise Application Architecture by Martin Fowler
- The Little Schemer
- The Seasoned Schemer
- Why's (Poignant) Guide to Ruby
- The Inmates Are Running The Asylum: Why High Tech Products Drive Us Crazy and How to Restore the Sanity
- The Art of Unix Programming
- Test-Driven Development: By Example by Kent Beck
- Practices of an Agile Developer
- Don't Make Me Think
- Agile Software Development, Principles, Patterns, and Practices by Robert C. Martin
- Domain Driven Designs by Eric Evans
- The Design of Everyday Things by Donald Norman
- Modern C++ Design by Andrei Alexandrescu
- Best Software Writing I by Joel Spolsky
- The Practice of Programming by Kernighan and Pike
- Pragmatic Thinking and Learning: Refactor Your Wetware by Andy Hunt
- Software Estimation: Demystifying the Black Art by Steve McConnel
- The Passionate Programmer (My Job Went To India) by Chad Fowler
- Hackers: Heroes of the Computer Revolution
- Algorithms + Data Structures = Programs
- Writing Solid Code
- JavaScript - The Good Parts
- Getting Real by 37 Signals
- Foundations of Programming by Karl Seguin
- Computer Graphics: Principles and Practice in C (2nd Edition)
- Thinking in Java by Bruce Eckel
- The Elements of Computing Systems
- Refactoring to Patterns by Joshua Kerievsky
- Modern Operating Systems by Andrew S. Tanenbaum
- The Annotated Turing
- Things That Make Us Smart by Donald Norman
- The Timeless Way of Building by Christopher Alexander
- The Deadline: A Novel About Project Management by Tom DeMarco
- The C++ Programming Language (3rd edition) by Stroustrup
- Patterns of Enterprise Application Architecture
- Computer Systems - A Programmer's Perspective
- Agile Principles, Patterns, and Practices in C# by Robert C. Martin
- Growing Object-Oriented Software, Guided by Tests
- Framework Design Guidelines by Brad Abrams
- Object Thinking by Dr. David West
- Advanced Programming in the UNIX Environment by W. Richard Stevens
- Hackers and Painters: Big Ideas from the Computer Age
- The Soul of a New Machine by Tracy Kidder
- CLR via C# by Jeffrey Richter
- The Timeless Way of Building by Christopher Alexander
- Design Patterns in C# by Steve Metsker
- Alice in Wonderland by Lewis Carol
- Zen and the Art of Motorcycle Maintenance by Robert M. Pirsig
- About Face - The Essentials of Interaction Design
- Here Comes Everybody: The Power of Organizing Without Organizations by Clay Shirky
- The Tao of Programming
- Computational Beauty of Nature
- Writing Solid Code by Steve Maguire
- Philip and Alex's Guide to Web Publishing
- Object-Oriented Analysis and Design with Applications by Grady Booch
- Effective Java by Joshua Bloch
- Computability by N. J. Cutland
- Masterminds of Programming
- The Tao Te Ching
- The Productive Programmer
- The Art of Deception by Kevin Mitnick
- The Career Programmer: Guerilla Tactics for an Imperfect World by Christopher Duncan
- Paradigms of Artificial Intelligence Programming: Case studies in Common Lisp
- Masters of Doom
- Pragmatic Unit Testing in C# with NUnit by Andy Hunt and Dave Thomas with Matt Hargett
- How To Solve It by George Polya
- The Alchemist by Paulo Coelho
- Smalltalk-80: The Language and its Implementation
- Writing Secure Code (2nd Edition) by Michael Howard
- Introduction to Functional Programming by Philip Wadler and Richard Bird
- No Bugs! by David Thielen
- Rework by Jason Freid and DHH
- JUnit in Action
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Top 1000 Canada Quiz and trivia: CANADA CITIZENSHIP TEST- HISTORY - GEOGRAPHY - GOVERNMENT- CULTURE - PEOPLE - LANGUAGES - TRAVEL - WILDLIFE - HOCKEY - TOURISM - SCENERIES - ARTS - DATA VISUALIZATION
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Exploring the Pros and Cons of Visiting All Provinces and Territories in Canada.
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Health Health, a science-based community to discuss health news and the coronavirus (COVID-19) pandemic
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Today I Learned (TIL) You learn something new every day; what did you learn today? Submit interesting and specific facts about something that you just found out here.
- TIL: That the Beirut Explosion of August 4th, 2020 is considered one of the most powerful artificial non-nuclear explosions in history. It was equivalent to around 1.1 kilotons of TNT and generated an earthquake equivalent to 3.3 in magnitude.by /u/appalachian_hatachi on April 20, 2024 at 1:21 am
submitted by /u/appalachian_hatachi [link] [comments]
- TIL that Walmart's struggle in Germany was linked to excessive employee smiling, which unsettled shoppers unaccustomed to such behavior. This cultural mismatch, along with other company practices, led to Walmart's exit from Germany in the mid-2000s.by /u/BlakeCrong1958 on April 20, 2024 at 1:16 am
submitted by /u/BlakeCrong1958 [link] [comments]
- TIL Frank Hayes, a jockey, died of a heart attack during his final horse race but still won. Unexpectedly, he suffered the attack mid-race, yet his body remained on the horse, crossing the finish line first. Sadly, it was his first and only win throughout his racing career.by /u/Dommondke-162 on April 20, 2024 at 1:12 am
submitted by /u/Dommondke-162 [link] [comments]
- TIL The first time Bobby Kennedy spoke publicly about his brother, President John F. Kennedy's, assassination was while telling a majority-black crowd in Indianapolis that Martin Luther King Jr. had been killed, which is credited with keeping the city calm, while other cities erupted in violence.by /u/Geth_ on April 19, 2024 at 11:14 pm
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- TIL about Christine Granville, a WW2 spy and Polish aristocrat - Winston Churchill would declare her as his favourite spy. She talks her way into service with M16, gets captured by Germans twice but escapes, and rescues her lover from execution by firing squad.by /u/WeeMaker on April 19, 2024 at 10:40 pm
submitted by /u/WeeMaker [link] [comments]
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- For the first time in one billion years, two lifeforms truly merged into one organismby /u/ossa_bellator on April 20, 2024 at 1:52 am
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- Last summer was the hottest ever recorded in the United States, and heat-related health emergencies also reached record-high levels in some parts of the country. Heat-related illnesses accounted for a 20% larger share of emergency department visits than they did in the five previous seasonsby /u/Wagamaga on April 19, 2024 at 9:08 pm
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- Spanking is associated with detrimental effects on a child’s cognitive, social-emotional, and motor development. The study, conducted across four countries — Bhutan, Cambodia, Ethiopia, and Rwanda — utilizes longitudinal data to provide a more robust analysis than previous studies.by /u/mvea on April 19, 2024 at 7:22 pm
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- Researchers have found people maltreated as children are 2.86 times more likely to be hospitalised for alcohol use disorder, and 3.34 times more likely to be admitted for a substance use disorder, by the time they’re 40Y, compared to children who weren’t maltreatedby /u/giuliomagnifico on April 19, 2024 at 5:02 pm
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- Researchers team has found evidence that the woman’s menstrual cycle is driven by an internal circamonthly timing system than by any other internal or external process, and it’s also weakly but significantly influenced by the 29.5-day lunar cycleby /u/giuliomagnifico on April 19, 2024 at 3:45 pm
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Reddit Sports Sports News and Highlights from the NFL, NBA, NHL, MLB, MLS, and leagues around the world.
- US Swimmers Have Been Notified That China’s Olympic Gold Medal 800 Free Relay Has Been DQedby /u/KathleenPorter on April 20, 2024 at 2:44 am
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- Washington Mystics the latest WNBA team to relocate game to accommodate Caitlin Clark Fansby /u/kundu123 on April 20, 2024 at 2:40 am
The Mystics home court's capacity taps out at 4,200, while Capital One Arena — home to the Wizards, Capitals, and Georgetown Hoya's Men's Basketball — can fit nearly five times that crowd at some 20,000 spectators. submitted by /u/kundu123 [link] [comments]
- Miami Heat to face Celtics after blowing out Bullsby /u/Oldtimer_2 on April 20, 2024 at 1:32 am
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- Miles Russell, 15, youngest to make cut on Korn Ferry Tourby /u/PrincessBananas85 on April 20, 2024 at 12:48 am
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- Morikawa in 4-way tie atop RBC Heritage, Scheffler 3 backby /u/Oldtimer_2 on April 19, 2024 at 11:30 pm
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