Merge branch 'master' into master

Blockchain.md

@@ -18,11 +18,17 @@ https://www.theschool.ai/
 + Course on Coursera : https://www.coursera.org/learn/blockchain-basics
 
 ## Hyperledger fabric
-+ For getting started: https://hyperledger-fabric.readthedocs.io/en/release-1.1/write_first_app.html
++ For getting started: https://hyperledger-fabric.readthedocs.io
++ Fabric samples - Chaincode, SDKs and Network setup | https://github.com/hyperledger/fabric-samples
++ Hyperledger tutorials and articles | https://medium.com/coinmonks/top-hyperledger-tutorials-and-articles-b77cf3e4d1eb
++ Linux foundation free course on Hyperledger Technologies (includes Fabric) | https://training.linuxfoundation.org/training/blockchain-for-business-an-introduction-to-hyperledger-technologies/
 + Paid but worth it | Udemy: https://www.udemy.com/hyperledger/
 + IBM hyperledger fabric study material : https://www.ibm.com/blockchain/hyperledger
 + really valuable course by linux foundation | https://www.edx.org/course/blockchain-for-business-an-introduction-to-hyperledger-technologies
 
+## Multichain
++ Getting started for developers | https://www.multichain.com/developers/
+
 ## More about Blockchain
 + Step by step guide for beginners https://blockgeeks.com/guides/what-is-blockchain-technology/
 + Step by step Guide in Building a blockchain application with Hyperledger&GO https://chainhero.io/2018/06/tutorial-build-blockchain-app-v1-1-0/ 

CONTRIBUTING.md

@@ -9,3 +9,4 @@
 3. Please don't remove any resources or content from README.md
 
 4. Make sure to add your resources in correct section as mentioned in Table of Content. 
+5. Please verify resources and put them in the right topic.

CONTRIBUTORS.md

@@ -1,6 +1,6 @@
 ## Here is a list of awesome people who contributed to this repository
 
-### It's time to network :india: :us: :cn: :brazil: :australia: :gb: :es: :taiwan: :poland: :turkey: :indonesia: :fr: :vietnam: :de: :ng: :ukraine: :netherlands: :philippines: :serbia: :uruguay: :cuba: :malaysia: :it: :venezuela: :colombia: :belgium: :zambia:
+### It's time to network :india: :us: :cn: :brazil: :australia: :gb: :es: :taiwan: :poland: :turkey: :indonesia: :fr: :vietnam: :de: :ng: :ukraine: :netherlands: :philippines: :serbia: :uruguay: :cuba: :malaysia: :it: :venezuela: :colombia: :belgium: :zambia: :indonesia:
 
 ```
 Instructions :
@@ -282,17 +282,36 @@ Instructions :
 | 249 | **Lenny** | Germany | Computer Science Student | [GitHub](https://github.com/lenni108) |
 | 250 | **Matei** | Slovakia | Rock Instructor, Pixel Aligner | [CodePen](https://codepen.io/towc) |
 | 251 | **Ajith Kumar Panja** | India | Sophomore , CEG | [GitHub](https://github.com/AjithPanja) |
-| 252| **Abegail I** | Philippines | Mobile Developer | [GitHub](https://github.com/chabbyabe) |
+| 252 | **Abegail I** | Philippines | Mobile Developer | [GitHub](https://github.com/chabbyabe) |
 | 253 | **Alexander Nazarovsky** | Russia | SalesForce Admin | [GitHub](https://github.com/ArchieDash) |
 | 254 | **Prakash Jha** | India | Computer Science Student | [GitHub](https://github.com/forgotter) - [LinkedIn](https://www.linkedin.com/in/prakash-jha-forgotter/)|
 | 255 | **Rotceh** | México | Computer Science student | [GitHub](https://github.com/Rotceh88) |
 | 256 | **Rahul R** | India | Security Engineer | [Github](https://github.com/rahulr311295) |
 | 257 | **Ajay Tanwar**  |-| | [GitHub](https://github.com/ajayt365) |
 | 258 | **Kian Miguel**  | Philippines | Computer Science Student | [GitHub](https://github.com/kianmiguel) |
-| 252 | **Muna Mohamed** | United Kingdom | Frontend Developer and Technical Writer | [Github](https://github.com/mooneyd12) |
+| 259 | **Muna Mohamed** | United Kingdom | Frontend Developer and Technical Writer | [Github](https://github.com/mooneyd12) |
 | 260 | **Keyur Canji** | United Kingdom | BSc Computer Science Student | [Github](https://github.com/KeyurC) |
-| 259 | **Haris Rabbani** | United Kingdom | Computer Science Student | [Github](https://github.com/HarisRabbani) |
-
+| 261 | **KY SOPHOT** | Cambodia | Computer Science & Engineering | [Github] (https://github.com/sophot)
+| 262 | **Kai Yoke** |Singapore| Engineering Student | [GitHub](https://github.com/kwyoke) |
+| 263 | **Randika Suridu** | Sri Lanka | Computer Science Student/Arduino and android developer | [GitHub](https://github.com/Randika97) - [LinkedIn](https://www.linkedin.com/in/randika-suridu-a8271715b/)|
+| 264 | **Nirav Madariya** | India | Microsoft Student Partner, Certified Cloud Solutions Architect | [GitHub](https://github.com/niravmadariya) - [LinkedIn](https://www.linkedin.com/in/niravmadariya) - [Twitter](https://twitter.com/niravmadariya)
+| 265 | **Prateek Bajaj**  | India | Student | [Github](https://github.com/prateek552) |
+| 266 | **Nick Day** | USA | Software Developer | [GitHub](https://github.com/solakin) |
+| 267 | **Chandan**  | India | Student | [Github](https://github.com/chandan) |
+| 268 | **Rafli Fahreza**  | Indonesia | Student | [Github](https://github.com/HYP3RTEX7) |
+| 269 | **Pranav Sharma** | India | Computer Science Student | [Github](https://github.com/pranav7955) - [LinkedIn](https://in.linkedin.com/in/pranav7955)
+| 270 | **Rich** | Mexico | Intelligent Systems Student, Musician | [GitHub](https://github.com/Richb17) |
+| 271 | **Beatriz Milz** | Brazil | Environmental Science Student | [GitHub](https://github.com/beatrizmilz) |
+| 272 | **Franciele Portugal** | Brazil | Student of Information Systems and I love datas | [GitHub](https://github.com/francieleportugal) - [LinkedIn](https://www.linkedin.com/in/franciele-portugal-557aa7119)|
+| 273 | **Vladimir Solovev** | Russia | Developer | [GitHub](https://github.com/solovyovs) |
+| 274 | **Jessa Bermudez** | Philippines | Designer | [GitHub](https://github.com/sahsah29) |
+| 275 | **Sahil** | USA | Student | [GitHub](https://github.com/EpicDragonSlayr) |
+| 276 | **Jeffrey Ongcay** | Philippines | Software Engineer | [GitHub](https://github.com/jeffreyongcay) |
+| 277 | **Ryan Casicas** | Philippines | Junior Software Developer , Traxion | [GitHub](https://github.com/rcasicas44) |
+| 278 | **Kirill** | Australia | Software Engineer | [GitHub](https://github.com/Lirrik) |
+| 279 | **Edwin Francis** | India | Web Developer | [GitHub](https://github.com/edwinfrancis002) |
+| 280 | **Johan Reji** | India | web Developer | [GitHub](https://github.com/johanreji) |
+| 281 | **Haris Rabbani** | United Kingdom | Computer Science Student | [Github](https://github.com/HarisRabbani) |
 
 ---
 

DataStructuresCheetSheet.md

@@ -19,6 +19,7 @@ _Best way to learn any data structure is to read about it first, understand it a
 	- [SEGSQRSS](https://www.spoj.com/problems/SEGSQRSS/) - **MEDIUM**
 	- [TorCoder](https://codeforces.com/contest/240/problem/F) - **HARD**
 	- [Comrades- III](https://www.hackerearth.com/practice/data-structures/advanced-data-structures/segment-trees/practice-problems/algorithm/comrades-iii/) - **HARD**
+  - [Hash Table-Problems](https://www.hackerearth.com/practice/data-structures/hash-tables/basics-of-hash-tables/practice-problems/algorithm/xsquare-and-palindromes-insertion/)-**A good question on implementaion of hashing from hackerearth.**
 
 **Refrences to some nice book (Free .pdf FILE) of Data Structure :**
 

GSOC.md

@@ -25,6 +25,12 @@
 ### h. Metasploit (Ruby, Python ,C)
 
 ### i. Teammates (Java, Google Cloud Engine)
+
+## 2. Explanatory videos
+### a. [How to prepare for GSoC? by a GSoC student - I.O. Stream](https://github.com/dipakkr/A-to-Z-Resources-for-Students/edit/master/GSOC.md)
+### b. [Approaching an organisation - I.O. Stream](https://www.youtube.com/watch?v=KIPDtVRMIuE&list=PL9oUnF4b_qbXrxhlgDxo5VX5DVj08HuDE&index=4)
+### c. [GSOC - GeeksForGeeks](https://www.youtube.com/watch?v=k7go4SZFPxQ)
+
 # COMING SOON
 
 - TODO

ML.md

@@ -8,31 +8,31 @@
 
 ## Table of Contents
 
-1.  [Machine Learning](#1-machine-learning)
+1.  [Machine Learning](#1--machine-learning)
 
-     - [Where to Start in ML ?  ](#1.1-where-to-start-in-ml)
+     - [Where to Start in ML ?  ](#11-where-to-start-in-ml)
      - [Online Courses](#1.2-online-courses)
      - [Research Paper](#1.3-research-paper)
      - [Top Github Repositories](#1.4-top-github-repositories)
      - [Linear Regression from scratch](https://www.cs.toronto.edu/~frossard/post/linear_regression/)
      - [Logistic Regression from scratch](https://medium.com/@martinpella/logistic-regression-from-scratch-in-python-124c5636b8ac)
      - [Stanford Statistical Learning Course](https://lagunita.stanford.edu/courses/HumanitiesSciences/StatLearning/Winter2016/info)
-     - [Machine Learning by Georgia Tech](https://br.udacity.com/course/machine-learning--ud262) - free course 
+     - [Machine Learning by Georgia Tech](https://br.udacity.com/course/machine-learning--ud262) - free course
 
 
-2.  [Deep Learning](#2-hackathons-and-events)
+2.  [Deep Learning](#2--deep-learning)
 
-     - [Where to Start in DL?](#2.1-where-to-start-in-ml)
+     - [Where to Start in DL?](#21-where-to-start-in-dl)
      - [Online Courses](#2.2-online-courses)
      - [Research Paper](#2.3-research-paper)
      - [Top Github Repositories](#2.4-top-github-repositories)
      - [Deep Learning by Google](https://br.udacity.com/course/deep-learning--ud730) - free course
 
-3. [DataSets](#2-datasets)
+3. [DataSets](#3-datasets)
 
 4. [Data Science Conference](#4-data-science-confs)
 
-5. [Celebrities in ML and AI world](#5-celebrities-in-ml)
+5. [Celebrities in ML and AI world](#5-celebrities-in-ml-and-ai-world)
 
 6. [Tips for ML & AI enthusiasts](#6-ml-ai-tips)
 
@@ -82,6 +82,7 @@
   - [CIFAR-10 for Image Recognition (170 MB)](http://www.cs.toronto.edu/~kriz/cifar.html)
   - [Fashion-MNIST Dataset a Fashion Images Dataset (30 MB)](https://github.com/zalandoresearch/fashion-mnist)
   - [SENTIMENT140 for sentiment analysis (80 MB)](http://help.sentiment140.com/for-students/)
+  - [PREDICTING PULSAR STAR FROM HTRU2 DATASET_(771 KB)](https://www.kaggle.com/pavanraj159/predicting-a-pulsar-star)
 
   ***Advanced***
   - [55000 song Lyrics CSV file](https://www.kaggle.com/mousehead/songlyrics)
@@ -94,3 +95,4 @@
 - [Siraj Raval](https://github.com/llSourcell)
 - [sentdex](https://github.com/Sentdex)
 - [Ashish Tendulkar](https://www.youtube.com/watch?v=F_uuqfgdZZw&list=PLlyCyjh2pUe9KzdyNOlmaJqeeI4YHOT-t)
+- [Andrew Yan-Tak Ng](http://www.andrewng.org/)

Python.md

@@ -6,17 +6,20 @@
 ## Index
 1. [Python Basics](#1-python-basics)
 2. [Socket programming](#2-socket-programming)
-3. [DataScience](#3-datascience)
-4. [Databases](#4-databases)
-5. [Testing](#5-testing)
-6. [Python Miscellaneous (Libraries andn other stuff)](#6-python-miscellaneous)
-7. [Projects](#7-projects)
+3. [Web development](#3-Web-Development)
+4. [Desktop Development](#4-Desktop-Development)
+5. [DataScience](#5-datascience)
+6. [Databases](#6-databases)
+7. [Testing](#7-testing)
+8. [Python Miscellaneous (Libraries andn other stuff)](#8-python-miscellaneous)
+9. [Projects](#9-projects)
 
 ## 1. Python Basics
 + <a href = "https://anh.cs.luc.edu/331/notes/PythonBasics.pdf"> Python Basics</a>
 + <a href = "https://automatetheboringstuff.com/"> Automate the Boring Stuff with Python</a>
 + <a href = "https://bit.ly/2D3wHsf"> CS Dojo's Tips to write efficient code.</a>
 + <a href = "https://www.youtube.com/playlist?list=PL-osiE80TeTt2d9bfVyTiXJA-UTHn6WwU"> Python Tutorials - Basic to Advance by Corey Schafer</a>
++ <a href = "https://www.datacamp.com/courses/intro-to-python-for-data-science"> Intro to Python for Data Science - DataCamp</a>
 
 ## 2. Socket Programming
 + <a href = "https://realpython.com/python-sockets/"> Socket Programming in Python Basics</a>