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Bitcoin NodeJS Part 1 - Hello World
 
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Bitcoin NodeJS Tutorial. Intro to NodeJS including installation, creating a basic http server, and fetching the current bitcoin price.
Views: 17444 m1xolyd1an
Build a Bitcoin payment site with Node.js and Bitpay Part 1
 
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I demonstrate how to use the Bitpay Invoice API in concert with the node.js Bitpay client module at github/stevenzeiler/node-bitpay. Then I walk through generating an express server application using yeoman and deploying to Heroku to receive payment notification callbacks from Bitpay.
Views: 13163 Steven Zeiler
Bitcoin, Blockchain and Node - Portia Burton, The Atlantic Magazine
 
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Bitcoin, Blockchain and Node - Portia Burton, The Atlantic Magazine
Views: 6671 node.js
Bitcoin NodeJS Part 2 - Express
 
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Bitcoin NodeJS Tutorial. Intro to express module, install with NPM, GET routing, and using request within express.
Views: 6273 m1xolyd1an
Bitcoin NodeJS Part 3 - Create a Brain Wallet
 
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Bitcoin NodeJS Tutorial. Use body-parser to collect POST data in a web form, convert that POST data into a private key pair using bitcore-lib.
Views: 6944 m1xolyd1an
BCoin: a Node.js Bitcoin full node, Augur decentralizes, MyCrypto desktop.  Crypto News July 14th
 
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Bcoin: a JS Bitcoin full node went 1.0 http://bcoin.io Augur removes pause capability https://medium.com/@AugurProject/augur-launches-794fa7f88c6a MyCrypto desktop application https://medium.com/mycrypto/mycrypto-launches-desktop-applications-w-hardware-wallet-support-efac86c962a8 South Korea: Growth Through Innovation http://english.mosf.go.kr/pc/selectTbPressCenterDtl.do?boardCd=N0001&seq=4515 Game.com: Wash trading, for video games https://medium.com/@dakotajune/game-com-is-set-to-debut-a-new-mine-able-token-the-catch-is-you-mine-the-token-by-playing-games-df9beb118fe6 =========================== I'm not a financial adviser. Do your own research. Full disclosure, I own a lot of coins. My holdings: https://goo.gl/Vjn9iK Do not simply buy what I buy (I've made a lot of bad choices) #sellout Ledger Nano S is the hardware wallet I use and recommend: https://ledgerwallet.com/r/c241 Recommended Exchanges - Coinbase: https://coinbase.com/join/59ebf3c17be14a00f92091b8 - Binance: https://www.binance.com/?ref=15811261 Twitch: https://www.twitch.tv/HardlyDifficult Twitter: http://twitter.com/HardlyDifficult Steemit: https://steemit.com/@hardlydifficult Tips \o/ BTC: 3FQdCDmZcXXE8psTfazXxHKsdaLsXgxfWs ETH (incl any ERC20): 0x7A23608a8eBe71868013BDA0d900351A83bb4Dc2 LTC: MGF4vG8QT68otdbKT1ZjpqmFmkir67Wnjk NEO (incl any NEP5): AKSB636yR6wi4ivM7kJX3i999u3JGVgp5A DASH: XcCCFMgbNmCHiNEj1EbNGvSQBcRM8VCNNM BAN: ban_1597i1ybctywb37n5oikw79jyrrj7ocndaqad4foay861yeb1afppy3zxebz NANO: xrb_377ketnssiicfmruy6y7urhmbt1dkqprjwoob1nr8y7nxeixo4kuqx6gdm84 For business inquiries: [email protected]
Views: 308 Hardly Difficult
Bitcoin NodeJS Part 6 - Blocktrail API Setup
 
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Sixth video in the Bitcoin NodeJS series. How to setup and use blocktrail wallet API. If you get an error when installing the npm try installing it through git bash instead. Tips: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 4983 m1xolyd1an
Node Crypto Module
 
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Description of node crypto module
Views: 1176 Uzochukwu Odozi
NodeJs - Symmetric Encryption (Module Crypto)
 
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Learn to Encrypt and Decrypt Text With NodeJS using Module "Crypto". Easy and simple to use and very helpful in cases when you want to store information in database in encrypted form.
Views: 6080 Aman Kharbanda
Bitcoin Web Apps with NodeJS
 
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Fifth video in the Bitcoin NodeJS series. We go into how to create dynamic pages and templating with EJS. Well add a simple style with bootstrapcdn.com. This tutorial series is on Bitcoin focused web development using NodeJS. This series covers the full process for a beginner, from Hello World to Deployment. In this video we will start to make the app look better. We will install Bootstrap with Bower which is a front end package manager similar to NPM. CODE: Full code . Bitcoin NodeJS Tutorial. Intro to express module, install with NPM, GET routing, and using request within express.
Views: 104 Vickie Gilbert
NodeJs Tutorials Building Desktop Apps with NodeJS and Electron Part-7
 
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Learn how Node.js can be used to build cross-platform client applications that run on the desktop, in addition to applications that run on the server. See how, with Electron, those desktop apps can be as rich as native apps. Add React and TypeScript to the mix, and you have a robust toolset for creating desktop apps that run everywhere. See lots of demos, and get practical tips you can use right away!
Views: 8830 TechTutorialsonlineTV
13  Node js API Crypto
 
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ملفات المشروع على الرابط التالي : https://www.dropbox.com/s/r1op68udhghc9zv/nodeproject.zip?dl=0 لمزيد من الدروس على الرابط التالي :
Views: 909 Muhammed Essa
Bitcoin NodeJS Part 4 - Callback Functions
 
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Fourth part of the Bitcoin NodeJS tutorial series. This one focuses heavily on using callback functions and is not really about Bitcoin. I'm including it because it's something you need to know if you're going to develop NodeJS websites.
Views: 4011 m1xolyd1an
Building Weather App in NodeJS with 20 Lines
 
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In this tutorial, We are going to write NodeJS app with help of the Weather API from openweathermap.org which provides us daily temperature with the every rate fresh data. We have used a request module and HTTP server concept in this tutorial.
Views: 6085 ItsTechMode
Poloniex API wrapper in Node.js
 
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Programming a wrapper for the Poloniex API using Node.js with async/await, mocha testing, flow type annotations in Visual Studio Code. Code posted on GitHub at github.com/kesor/crypto-exchange-api -- Watch live at https://www.twitch.tv/kesor6
Views: 563 Evgeny Zislis
Building a CryptoCurrency Bot with Node
 
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https://www.meetup.com/sbjavascript/events/246625165/ -- Love it, hate it, or just curious crypto-currencies and the blockchain technologies they are built on top of are causing some major buzz. The markets for crypto currencies are global, volatile and they run 24 hours a day 7 days a week. We'll take a brief look at the space and its fundamentals. Then we'll look at how we can use the Coinbase exchage api's and Node.js to setup a bot that we can use to gather market data and automate transactions.
Views: 153 SBJS
Using a Stock Market API with Node.js
 
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MERN: https://github.com/keithweaver/MERN-boilerplate POSTING: https://medium.com/@Keithweaver_/usin... In PHP: https://youtu.be/hfYfeDvTyVw In Python: https://youtu.be/1yNeUcHM7Rs In this video, I show you how to get basic financial data via code. Equipment: Canon T5i - http://amzn.to/2vOS61Y Headphones - http://amzn.to/2tpRthn Please subscribe! Check me out: Web: http://keithweaver.ca Twitter: https://twitter.com/keithweaver_ Github: https://github.com/keithweaver Instagram #1: https://www.instagram.com/keiththecoder/ Instagram #2: https://www.instagram.com/keithweaver_/
Views: 3088 Keith, the Coder
SL 08: Main Node.js Core Modules
 
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**Notes** Node API documentation: * fs: https://nodejs.org/api/fs.html * path: https://nodejs.org/api/path.html * http: https://nodejs.org/api/http.html * http2: https://nodejs.org/api/http2.html * crypto: https://nodejs.org/api/crypto.html * cluster: https://nodejs.org/api/cluster.html Node and MongoDB Foundation: https://node.university/p/node-npm-and-mongodb-foundation You Don't Know Node: https://node.university/p/you-dont-know-node --- **About the Channel** Node University and its creator Azat Mardan tells you about advantages of using Node.js and why its such an absolutely, positively, amazingly awesome technology. Who is Azat? ¯\_(ツ)_/¯ Well, he is the founder of Node University and... ⌨ Azat is in Top 1000 GitHub contributors list where Azat is number 239 right next to Paul Irish, Addy Osmani, Todd Motto and other famous developers: https://gist.github.com/paulmillr/2657075. 📚 Azat wrote 14 books on Node and JavaScript; the book which was #1 on Amazon when you search for "node.js" and now this book is free on GitHub, Practical Node.js: https://github.com/azat-co/practicalnode. 🎤 Azat spoke at 20+ conferences world-wide: http://azat.co. 🏢 Azat taught engineers at companies such as Starbucks, Cisco, Walmart, Intuit, Capital One, Macy’s, OnDeck, HubSpot, Fox Studios, Northwestern Mutual, Salesforce, DocuSign,, Microsoft, VMWare and other big companies. 🎓 Azat has free and paid courses on Node University: https://node.university 👨‍💻 Azat wrote 200+ blog posts on Webapplog: https://webapplog.com 👉 Sign up for this series on YouTube or listen on iTunes.
Views: 179 Node University
Asymmetric Encryption and Signing with Public Private Keys
 
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Bob and Alice will only get you so far. Article at https://coolaj86.com/articles/asymmetric-public--private-key-encryption-in-node-js/ Without getting deep into math, I paint a picture of specifically how RSA encryption works, it's connection with AES, and how HTTPS and GPG use both. I also show examples using the OpenSSL commandline tools and ursa in node.js. It's still pretty high-level, but with sprinkled with some practical details and understanding you may not have had before. Examples with OpenSSL Node.js
Views: 6228 AJ ONeal
How To Point A Domain Name To Your LISK Node
 
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Hi, I am... Kyle From Ohio In this video I discuss the LISK cryptocurrency and it's javascript framework for building decentralized apps, sidechains, and more! Buy A Domain https://www.namesilo.com/?rid=7bf5873uw DNS Hosting https://www.cloudflare.com ●●● ●●● ●●● ●●● ●●● If you like my LISK videos, please consider a donation to help fuel more content! ●●● ●●● ●●● ●●● ●●● LISK: 11291277487269244940L Bitcoin: 1M79nAq1XVq87QThZL7oaznrrgnXbCZRFt Litecoin: LQV7FSQHq5B2Th316ft5KpQE4Hym5HdCDP Ethereum: 0x970555E00908A4b488C81FE0C49c65EEd22b724e Dash: XnJ8Fkgr2MPQYvwQ44AeekcmFEEaq8togm If you would like to donate in another coin just send me a message.
Views: 309 Learn LISK
How to stream Binance Websockets data into browser
 
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In this video I demonstrate how websocket data can be streamed into a browser using electron module. Useful Links: Download and Install NodeJS: https://nodejs.org/en/ Binance NPM: https://www.npmjs.com/package/binance Electron main.js code: https://electronjs.org/docs/tutorial/first-app
Views: 965 DeKay Arts
BitcoinJS Tutorial - How to Apply BitcoinJS to your Applications
 
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Learn more advanced front-end and full-stack development at: https://www.fullstackacademy.com Bitcoin is a form of digital currency that is decentralized, it works without involving a third party broker. BitcoinJS is a JavaScript library for node.js that allows developers to build applications that can take payment from anyone in the world in 10 minutes. In this BitcoinJS tutorial, we show you how to add Bitcoin to your Web Application. Watch this video to learn: - What Bitcoin is and why it's useful - How Bitcoin works - How BitcoinJS allows developers to add Bitcoin to a web application
Views: 687 Fullstack Academy
NodeJS, Rowhammer, & FBI FedEx - Hack Naked News #198
 
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Disastrous Rowhammer bitflips, malicious developer steals Bitcoin with nodeJS module, Germany proposes router security guidelines, Uber fined 148$ Million for data breach cover-up, Microsoft yanks 2 buggy Office patches, and a malvertising campaign impacts millions of iOS users! Jason Wood from Paladin Security joins us for expert commentary to discuss how The FBI created a Fake FedEx Website to Unmask a Cybercriminal! Time Stamps: 2:00 - Potentially disastrous Rowhammer bitflips can bypass ECC protections 3:25 - Facebook to pay ethical hackers $40,000 for reporting a single account-takeover bug 4:17 - Worm Using Removable Drives to Distribute BLADABINDI Backdoor 5:02 - Event-Stream NodeJS Module to steal Bitcoins 6:05 - Germany proposes router security guidelines 7:11 - Uber fined $148m for data breach cover-up 7:50 - Microsoft yanks two buggy Office patches 8:40 - Cisco Releases Second Patch for Webex Meetings Vulnerability 9:17 - Malvertising Campaign Impacts Millions of iOS Users Full Show Notes: https://wiki.securityweekly.com/HNNEpisode198 Visit http://hacknaked.tv to get all the latest episodes!
Views: 349 Security Weekly
How to call Binance API in Javascript in less than 10 lines of code
 
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Timestamps: 0:15 - What is a REST API and why do we need them for trading 3:05 - Difference between GET/POST API 4:00 - Difference between Public/Signed API 5:21 - Code to call API 11:14 - API Call - Ping 12:45 - API Call - Server time 13:42 - API Call - Exchange Information 14:40 - API Call - Orderbook 18:10 - API Call - Recent Trade List 19:43 - API Call - Historical Trades 21:05 - API Call - Candlestick Information 23:16 - API Call - 24hr ticker price change statistics Github Link: https://github.com/karthik947/Binance-REST-API-Examples CORS Chrome Extn: https://chrome.google.com/webstore/detail/cors/dboaklophljenpcjkbbibpkbpbobnbld Binance API : https://github.com/binance-exchange/binance-official-api-docs/blob/master/rest-api.md Disclaimer: I am not a financial advisor nor is any content in this article presented as financial advice. The information provided in this post or any other posts that I make and any accompanying material is for educational purposes only. It should not be considered financial or investment advice of any kind. Use these tools at your own risk.
Views: 4472 DeKay Arts
Nodejs Face Recognition using face-recognition.js and opencv4nodejs
 
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Just trying to recognize some faces in a video stream with nodejs using face-recognition.js and opencv4nodejs. face-recognition.js https://www.npmjs.com/package/face-recognition https://github.com/justadudewhohacks/face-recognition.js face-recognition.js is an npm package, which provides a simple yet robust face recognition and face detection API. Under the hood it utilizes dlib and uses deep learning techniques to achieve face recognition, face detection and face landmark detection. opencv4nodejs https://www.npmjs.com/package/opencv4nodejs https://github.com/justadudewhohacks/opencv4nodejs opencv4nodejs is an npm package with nodejs bindings to opencv 3. It implements the main core of opencv as well as several modules of the extra module library, opencv-contrib. It brings native performance to your nodejs application and it features an asynchronous API, which allows to easily implement multithreaded cv tasks via Promises.
Views: 13277 Vincent Mühler
Connecting Crypto Currencies DevConf Part 1
 
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Part 2: https://www.youtube.com/watch?v=WukoR_hg9a8 The first lesson of my course on interacting with Bitcoin, Ripple, and Dogecoin using Node.js. Learn to generate new receive accounts in with the three crypto currency networks.
Views: 377 Steven Zeiler
05 Dashcam and GPS with NodeJS-  Building a Raspberry Pi Carputer
 
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With the hardware (mostly) done, I'm ready to get going on the software. In this video we'll look at how I got the GPS communicating with the Pi, integrated GPS data into NodeJS, then sent it to a webpage. Then we'll look at the Python script I created to turn the Raspberry Pi camera into a legit dashcam! I will be using a Raspberry Pi with the Raspberry Pi 7 inch Touchscreen to create a "carputer" for my 2003 Toyota Rav4. I am unhappy with the very limited options for audio in my vehicle, so I've decided to start this project in order to make it more fun to drive around! Resources/Guides: https://github.com/austinellsworth/carputer_resources GitHub: https://github.com/austinellsworth/carputer ========== Core Components ========== CanaKit Raspberry Pi 3 with 2.5A Micro USB Power Supply (UL Listed) http://amzn.to/2gw8a1Z Samsung 32GB 95MB/s (U1) MicroSD EVO Select Memory Card with Adapter (MB-ME32GA/AM) http://amzn.to/2xXJupd ========== Power ========== Interface Modules Rechargeable 5V Lipo USB Boost http://amzn.to/2l9jMwQ Adafruit Lithium Ion Battery Pack - 3.7V 6600mAh http://amzn.to/2xXEENw Micro USB Charger, Eversame [3-Pack] 30CM/1Ft Premium Nylon Braided Hi-Speed USB to Micro USB Cable with Gold-Plated Connectors For Samsung Galaxy S6 Edge/Note 5, HTC One M9, LG G4 (Black) http://amzn.to/2gttYLi USB Car Charger RAVPower 24W 4.8A Metal Dual Car Adapter with iSmart 2.0 Charging Tech for iPhone 8 / X / 7 / 6s / 6 / Plus, iPad Mini / Air, Galaxy S7 / S6 / Edge / Plus, Note 5 / 4 and More - Black http://amzn.to/2yGCfFK ========== Touchscreen & Case ========== Raspberry Pi 7" Touchscreen Display http://amzn.to/2gYsxW0 RS Raspberry Pi 7-Inch LCD Touch Screen Case, Black http://amzn.to/2xfnLcV ========== GPS ========== U.FL Mini PCI to RP-SMA Pigtail Antenna WiFi Cable Pack of 2 http://amzn.to/2xeX2x6 Adafruit Ultimate GPS Breakout - 66 channel w/10 Hz updates [ADA746] http://amzn.to/2l9fwgH Waterproof GPS Active Antenna 28dB Gain http://amzn.to/2xf4mZw RF design SMA female to RP-SMA male 2 Pieces coaxial coax adapter Coupling Nut Connector Golden http://amzn.to/2l6QtLg USB to TTL Serial Cable - Debug / Console Cable for Raspberry Pi http://amzn.to/2yHOqRe ========== Camera ========== Adafruit Flex Cable for Raspberry Pi Camera - 24" / 610mm http://amzn.to/2yGNYEq Raspberry Pi Camera Module V2 - 8 Megapixel,1080p http://amzn.to/2h0mIaF Adafruit Raspberry Pi Camera Board Case with 1/4" Tripod Mount [ADA3253] http://amzn.to/2xX7UnG VideoSecu 1/4" x 20 Threads Swivel Security Camera Mount 2-6 Inch Adjustable Universal Pan Tilt CCTV Camera Mounting Bracket with Ceiling Clip 1BO http://amzn.to/2yLmWvM ========== Misc ========== ScanTool 425801 OBDLink SX USB: Professional OBD-II Scan Tool for Windows http://amzn.to/2h0mxvS JETech Wireless FM Transmitter Radio Car Kit for Smart Phones bundle with 3.5mm Audio Plug and Car Charger http://amzn.to/2yGHzJq ========== Disclosure ========== We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Music: https://www.bensound.com
Views: 4961 Austin Ellsworth
Poloniex API wrapper in Node.js
 
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Programming a wrapper for the Poloniex API using Node.js with async/await, mocha testing, flow type annotations in Visual Studio Code. Code posted on GitHub at https://github.com/kesor/crypto-exchange-api -- Watch live at https://www.twitch.tv/kesor6
Views: 576 Evgeny Zislis
web3.js library, the Ethereum JavaScript API
 
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This video explains what the purpose is of the web3.js library and how to use it. The web3.js library is also known as the Ethereum JavaScript API. To communicate with an Ethereum node or transact with a smart contract deployed on the blockchain from inside a JavaScript or web application you can use the web3.js library. Under the hood the web3.js library communicates with an Ethereum node through JSON RPC calls. The Ethereum node must expose its a RPC layer. The MetaMask extension exposes the web3 API by an injected web3 object which you can access via JavaScript. The MetaMask extension does not support most synchronous web3 API methods. Make your method calls asynchronous! To use the web3.js library in your web application: - Download the web3.js library from: https://github.com/ethereum/web3.js - In the dist folder you will find the files web3-light.min.js and web3.min.js - The file web3.min.js contains the Bignumber module and the file web3-light.min.js does not. If you do not know which one to choose, then use file web3.min.js. Web3.js API code examples can be found at: http://www.mobilefish.com/download/ethereum/web3api.html In the examples asynchronous methods were used if they are available. The demonstration Ethereum Dapp is made for educational purpose. The web interface can be found at: http://www.mobilefish.com/download/ethereum/DemoDapp.html The associated Solidity contract can be found at: http://www.mobilefish.com/download/ethereum/DemoContract.sol.txt The main purpose of this Dapp is to learn how to use web3.js api (v0.x.x) and how interact with a deployed smart contract. To setup the demonstration Ethereum Dapp (DemoApp.html): - Download and deploy the DemoContract.sol smart contract on any test network (testrpc, ropsten, rinkeby, or your own private ethereum node, etc). Save the contract address you will need it later. - Download and install the DemoApp.html on your web server. - Download and install the web3.min.js (v0.19.0) on your web server. - Modify the path to web3.min.js in the DemoApp.html file. - Modify the contract address in the DemoApp.html file. How to use the demonstration Ethereum Dapp (DemoApp.html): - Use a test network. - Have a test account with enough ethers to experiment with. - The demonstration Dapp (DemoApp.html) also works well with MetaMask. Notes: Two versions of DemoApp.html has been created. - A version using callbacks which is not very readable because of using callback trees! For educational purpose you can find this version at (but do not use it!): http://www.mobilefish.com/download/ethereum/DemoDappv0.1.html - The original code has been refactored by using JavaScript Promises. http://www.mobilefish.com/download/ethereum/DemoDapp.html - The DemoApp.html uses only vanilla JavaScript an uses the web3.js library. All code meaning: JavaScript, HTML and CSS can be found in this single web page. Warnings: - The DemoApp.html does not work with the web3.js v1.0.0. - The web3.js library v1.0.0 has many changes. The DemoApp.html will soon be obsolete. - Use the Demonstration Ethereum Dapp on a test environment. Check out all my other Ethereum related tutorial videos: https://goo.gl/eNJVXe Subscribe to my YouTube channel: https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_ethereum_related_tutorials.html The DemoContract.sol used in the video: http://www.mobilefish.com/download/ethereum/DemoContract.sol.txt To interact with the DemoContract.sol use the demonstration Ethereum Dapp (using Javascript Promises): http://www.mobilefish.com/download/ethereum/DemoDapp.html An older version of the demonstration Ethereum Dapp (do not use this): http://www.mobilefish.com/download/ethereum/DemoDappv0.1.html More information about RPC layer can be found at: https://youtu.be/oOfDzXBXoOg The web3.js library can be found at: https://github.com/ethereum/web3.js The web3.js API v0.x.x can be found at: https://github.com/ethereum/wiki/wiki/JavaScript-API The web3.js API v1.0 can be found at: http://web3js.readthedocs.io/en/1.0/ MetaMask web3 API can be found at: https://github.com/MetaMask/faq/blob/master/DEVELOPERS.md #mobilefish #howto #ethereum
Views: 14989 Mobilefish.com
IoT + Ethereum -- Raspberry Pi, NodeJS, Web3 & Solidity  Pt2
 
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Using a switch to get our PI node to send a command/tx with our smart contract. *** Github : https://github.com/nacmonad/eth-iot-examples/ *** 0:00 intro + nodejs/raspi gpio 10:10 testrpc + solidity 20:45 web3 on node So there's no more annotations.... RPi switch: INPUT PIN 3 o----------o \ GND =----/\/\/\----------o 10k The above isn't proper, but it works. My Pi's input pin float high (is this normal?). I just pull-down through a 10k resistor to drop the GPIO low. Otherwise, when its open the GPIO floats high. To do it properly follow something like this: https://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/robot/buttons_and_switches/
Views: 1175 rustcity
SF Bitcoin Devs Seminar: Presenting BitcoindJS with JJ (Bitpay)
 
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Get BitcoindJS: Github repo: https://github.com/bitpay/bitcoind.js JJ is a senior developer at Bitpay. He's working on bringing bitcoind functions to nodejs. He'll present on bitcoind.js as a node.js module which dynamically loads a node.js C++ modules which links to libbitcoind.so (bitcoind compiled as a shared library), making all useful bitcoind functions asynchronous. bitcoind.js as a node.js module which dynamically loads a node.js C++ modules which links to libbitcoind.so (bitcoind compiled as a shared library), making all useful bitcoind functions asynchronous.
Views: 309 Taariq Lewis
NodeJS - Uploading Images/Binary Files using Express, NodeJS, and MongoDB
 
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Today we add the ability to upload images as binary data via NodeJS and Express to our MongoDB database. We will use Mongoose models and to represent one to many relationships and using the populate function to expose the children models. We will be using the Multer package to handle the multi-part file data which holds the image data and finally we will expose the public/uploads folder outside of corse protection so these images can be served via our nodejs server. If you would like to vote on what I cover next, do so here! https://reactu.io/polls/newest The code for this episode is on github: https://github.com/react-u/026-uploading-binary-files-and-images-express-nodejs-cors ❤‍ Help keep ReactU free by donating to the project: ----------------------------------------------------------------------------------- ▶ Bitcoin: 1LxbzzxogbJrxT8d7e2CpnxQRezpzSJejq ▶ Patreon: https://www.patreon.com/reactu ▶ Live Mentorship: https://codementor.io/marktellez Patreon supporters can earn up to a 30% discount on my live mentoring services at https://codementor.io/marktellez ! ❤‍ Screencast info ----------------- ▶ Length: 38:34 minutes ▶ Skill level: Intermediate ❤‍ What you will learn --------------------- ▶ * Exposing a public folder outside of CORS to serve images ▶ * Using Multer to allow multi-part form data into our json api ▶ * Setting up our Mongoose models to have a one to many relationship ▶ * Using Postman to test our json API endpoints
Views: 787 React University
Node.js Tutorial - 5 Require y exports
 
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¡Si te gusto el tuto, puedes comprarme un café! : PayPal : https://www.paypal.me/mitocode/2 BTC : 1FDu9dRckCoCckarDxFDHKtJNg9oaJJgMa Es muy importante modularizar el código en nuestras aplicaciones, para mejorar el mantenimiento a futuro, obtener beneficios de desacoplamiento, etc. En este tuto aprenderemos a importar nuestros propios archivos con la función require y al atributo exports. Sígueme ;) http://www.mitocodenetwork.com http://www.facebook.com/mitocode http://www.twitter.com/mitocode http://www.instagram.com/mitocode http://www.google.com/+MitoCode http://www.github.com/mitocode21
Views: 9524 MitoCode
Node.js Tutorial - 15 node-fetch
 
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¡Si te gusto el tuto, puedes comprarme un café! : PayPal : https://www.paypal.me/mitocode/2 BTC : 1FDu9dRckCoCckarDxFDHKtJNg9oaJJgMa node-fetch es un módulo que permite realizar peticiones http mediante el uso de promesas implementado el API Fetch. Fetch API - Mozilla Devs: https://developer.mozilla.org/es/docs/Web/API/Fetch_API Sígueme ;) http://www.mitocodenetwork.com http://www.facebook.com/mitocode http://www.twitter.com/mitocode http://www.instagram.com/mitocode http://www.google.com/+MitoCode http://www.github.com/mitocode21
Views: 4901 MitoCode
Node JS ping pong cryptocurrency trading bot
 
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Node JS ping pong cryptocurrency trading bot
Views: 178 Alex Andreyev
Node.js MongoDB
 
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Views: 20 Đinh Sa
Bitcoin Bull-Curious Analysis? Bounce to $5,000?!
 
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Trade Like a Professional - The Art and Application of Technical Analysis: http://krown-trading.teachable.com/courses/349734 ***Master Your Options*** - https://krown-trading.teachable.com/p/master-your-options/ - Years as a Professional Market Maker Authorized Trader synthesized down into a 42 Module Road Map for the Purpose of Derivative Domination Use Discount Code BF20 for 20% Off for the Month of November! ***Krown Jewel Indicator Mastery*** https://krown-trading.teachable.com/?affcode=236462_6ozjtirq My preferred method of scalping by timing both entries and exits in a trifecta of three unique oscillators Complimentary 10% off trading fees for BitMEX https://www.bitmex.com/register/4l6ovV Complimentary 10% off trading fees for Deribit ***https://www.deribit.com/reg-1170.7653*** Instagram - Krowncrypto ***Cave Discord*** https://discord.gg/hzKU7qe ***Frontier Discord*** https://discord.gg/vYf3AMS Please do consider gently tapping the like & subscribe button as I update my thoughts on the market daily! ***Complimentary Portfolio Tracking and Balancing Tool*** https://docs.google.com/spreadsheets/d/1Y8WtgxCZen4yt8UwAmqxQjfDR42-kFQ8iRx_3rJi0CI/edit#gid=1158545460 **Project Fundamental Analysis*** - SECRETS of the Cave is live.. all sign-ups before May 1 receive a massive 40% discount. Check it out here.. https://www.krownscryptocave.com/secrets/index.html If you feel so inclined to support my Coffee and Ground Beef diet then here is a link to my BTC address - 3QnMhH3QKjoNMprArJ2PyY2t8MWPCDtmJv Recommended Reading for Learning the Art of Trading - Technical Analysis and Stock Market Profits https://amzn.to/2qQAz7A Reminiscences of a Stock Operate https://amzn.to/2F3WD3G S9 Antminer (Cryptocurrency mining rig) - https://amzn.to/2F58crm Checkout my favorite exchange Bitmex - https://www.bitmex.com/register/ou4vcl this link will give you reduced fees. Also checkout my Steemit Account as I do post exclusive content here - https://steemit.com/@realcrowncrypto Twitter for Intra-day Mini Update - https://twitter.com/KrownCryptoCave #Bitcoin #BitcoinNews #BitcoinAnalysis Disclaimer - The content in this video and on this channel are not intended to be financial advice. The content in this video and on this channel are only intended for entertainment purposes only!
Views: 805 Krown's Crypto Cave
Asch Cryptocurrency - JavaScript Developers Rejoice! - #REVIEW
 
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🚀 Get the Apps! ★ http://cryptoyum.com ★ http://coinpuffs.com 10 Days of Bitcoin: 💯 Free Email Course! ★ http://10daysofbitcoin.com Is the future of JavaScript and the blockchain... Asch Cryptocurrency? // GET STARTED 🚀 Become a Cryptonaut - Support us on http://patreon.com/pub 💻 Join us at the PUB! - http://thebitcoin.pub 💰Get a Coinbase Wallet! - http://dctv.co/dctv-coinbase - Sign up! // WE DO SOCIAL 🔑 Decentralized Newsletter - https://dctv.co/dctv-news 📔 Twitter - https://dctv.co/dctv-twitter 📔 Facebook - https://dctv.co/dctv-fb 🔑 Instagram - https://dctv.co/dctv-instagram 💻 Google+ - https://dctv.co/dctv-googleplus ✏️ LinkedIn - https://dctv.co/dctv-linkedin 💻 Medium - https://dctv.co/dctv-medium Music by Charles Giovanniello, a Bitcoin Pub community member! Note: This is not financial advice as all investing is speculative. Have fun and good luck!
Views: 1159 Decentralized TV
Ep3: Python Raspberrypi WebSocket Connect To Nodejs Server and streaming video
 
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Ep3: Python Raspberrypi WebSocket Connect To Nodejs Server and streaming video in Series Build Live Video Streaming Server use Ffmpeg Nginx Rtmp Module & Nodejs * Watch All videos in this playlist: https://www.youtube.com/watch?v=OS6ZAlCZvGs&list=PLFaW_8zE4amPRvRNZwyc_-XGPLTyoILhd * Subscribe me at: https://www.youtube.com/TabvnChanel * Facebook: https://facebook.com/TabvnGroup * Github: https://github.com/tabvn/video-streaming-service
Views: 2709 Tabvn
How Much Can You Make Mining Bitcoin With 6X 1080 Ti Beginners Guide
 
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This week giveaway - https://gleam.io/MqnjB/win-a-25-bitcoinmerchcom-gift-card Nviddia GTX 1080 Ti - https://amzn.to/2Hiw5xp 6X GPU Mining Rig Case - https://bitcoinmerch.com/products/crypto-coin-open-air-mining-frame-rig-case-6-gpus-eth-btc-ethereum-6-fans PCI-E Raisers -https://bitcoinmerch.com/products/6-pcs-usb-3-0-pcie-pci-e-express-1x-to-16x-extender-riser-card-adapter-cable 1000W EVGA G2 Power Supply - https://bitcoinmerch.com/products/evga-210-gq-1000-v1-gq-80-plus-gold-1000w-eco-mode-semi-modular-power-supply SanDisk SSD PLUS 120GB Solid State Drive - https://goo.gl/JtBk1D 4gb DDR4 Ram - https://bitcoinmerch.com/products/dell-4-gb-certified-memory-module-1rx8-ddr4-udimm-2133mhz-non-ecc Asus 6 PCI-E Motherboard for LGA 1151 - https://bitcoinmerch.com/products/copy-of-gigabyte-ga-h110-d3a-rev-1-0-lga-1151-intel-h110-sata-6gb-s-usb-3-1-atx-intel-motherboard Intel BX80677G3930 7th Gen Celeron CPU - https://goo.gl/je75jC Total cost: Around $7000+ Profit: $45 - $55 per day. Electricity Cost - $120 Per month. Profit per month after electricity cost $1230 ROA in less than 6 months. Forum Post - https://goo.gl/ZL7ED2 TRACK LIST 00:00 - Ehrling - Sthlm Sunset - https://soundcloud.com/ehrling/ehrlin... 02:53 - Ehrling - Stay Forever Ft. Yohanna Seifu - https://soundcloud.com/ehrling/ehrlin... 06:06 - Ehrling - All I Need - https://soundcloud.com/ehrling/ehrlin... 08:39 - Ehrling - Palm Trees - https://soundcloud.com/ehrling/ehrlin... 12:02 - Ehrling - Adventure - https://soundcloud.com/ehrling/ehrlin... 14:11 - Ehrling - No Worries (Feat. Timon & Pumbaa) - https://soundcloud.com/ehrling/no-wor... 17:21 - Ehrling - Tease - https://soundcloud.com/ehrling/ehrlin...
Views: 970240 HowMuchBitcoin
How to connect your Arduino to Nodejs using Duino
 
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In this video I'll show you how you can connect your Arduino to your Node scripts using the Duino NPM module. Extra information and links are available at: http://askmike.org/2012/09/how-to-connect-your-arduino-to-nodejs-using-duino/ -- If this video helped you in any way, you can always donate some bitcoin: 1KyQdQ9ctjCrGjGRCWSBhPKcj5omy4gv5S
Views: 5186 askmiketuts
Chat Application Using Node.js And Socket.io in hindi part 1
 
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In this video we will build a real-time chat application using socket.io, Node.js and Express. I will show you how to create aperson 2 person communication layer over socket.io and node js in hindi. You can use this project to your website and communicate to your client.
Views: 5527 All In Here
Node.js Tutorial - 12 HTTP Request
 
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¡Si te gusto el tuto, puedes comprarme un café! : PayPal : https://www.paypal.me/mitocode/2 BTC : 1FDu9dRckCoCckarDxFDHKtJNg9oaJJgMa Realizar peticiones HTTP con node.js es fácil, en este tutoriales realizaremos un ejemplo con la api de google para geolocalización API: maps.googleapis.com/maps/api/geocode/json Sígueme ;) http://www.mitocodenetwork.com http://www.facebook.com/mitocode http://www.twitter.com/mitocode http://www.instagram.com/mitocode http://www.google.com/+MitoCode http://www.github.com/mitocode21
Views: 6058 MitoCode
NODE.JS 101 - Beginners Tutorial Series -  3. Introduction to NPM
 
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Node.JS 101 - Beginners Tutorial Series. 3. Introduction to NPM. In the third video of our brand new Node.JS 2017 tutorials Alex introduces NPM: a very powerful Package Manager for Javascript and NodeJS. This tutorial is the third instalment of the NODEJS 101 Series. Lecture List: 1. Introduction and Installation - http://bit.ly/2pepafV 2. The first Application - https://youtu.be/iB4UrIwE_F4?list=PLLi-6PuDZWlleP-3_97l7fNQ6F96CYNCm 3. INTRODUCTION TO NPM - https://youtu.be/TD7SigWHGz8?list=PLLi-6PuDZWlnmaxwry-zGNNSftX7nC7LT 4. NPM 5 -https://www.youtube.com/watch?v=uJkdatrvXHI&index=4&list=PLLi-6PuDZWlleP-3_97l7fNQ6F96CYNCm 5. ExpressJS COMING SOON 6. ExpressJS - REST - COMING SOON ------------------------------------------------------------------------------------------ SUBSCRIBE TO OUR CHANNEL https://www.youtube.com/user/wymtuts?sub_confirmation=1 FIND US ON: WEBSITE: http://www.webyourmind.com FACEBOOK: https://www.facebook.com/webyourmindagency TWITTER: https://twitter.com/WebYourMind GOOGLE+: https://www.google.com/+WebyourmindAgency
Views: 386 WebYourMind
Build a Modern JS Project - #5 Rollup with CJS, ESM & UMD
 
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In this next episode, we'll configure a build setup in our project. Our source code will define React components and export them via ES6 modules. Although ES modules have already landed in evergreen browsers as of late 2017 (see https://caniuse.com/#search=module for ex.), we as library authors cannot predict the end runtime with much certitude. While some developers may target the more recent versions of Chrome and Firefox, others might need to support a broader market share including IE11 or Opera Mini. Our module should also ideally be written in isomorphic JavaScript, meaning that it should run in both browser and Node environments. Moreover, we should also deliver our code such that it can be executed in a global browser namespace, while also retaining backwards compatibility with legacy module systems, such as AMD or UMD. At the same time, we should strive for best performance with build tools like Webpack by enabling tree shaking in ES modules. With these critical constraints in mind, it sounds like we'd need to ship several bundles each geared towards a specific module system. For one, we will generate a CJS bundle and flag it as the main entry point in package.json https://docs.npmjs.com/files/package.json#main Next, we will produce an ESM build that will offer tree shaking out of the box with bundlers like Webpack, Parcel, or Browserify. Finally, we will also publish a UMD bundle on unpkg to support legacy formats like browser globals or RequireJS, thereby covering all platforms on the web and in NodeJS. Despite its popularity among SPAs, Webpack is rarely used when authoring JavaScript packages https://medium.com/webpack/webpack-and-rollup-the-same-but-different-a41ad427058c The go-to bundler for NPM modules is Rollup https://rollupjs.org/guide/en Rollup excels at producing lean bundles and eliminating dead code. Tailored towards ES6 modules, it was the first bundler to introduce tree-shaking, which Webpack then picked up. Rollup also has an elaborate net of opt-in plugins, similar to loaders in Webpack. It's very straightforward to use, and I guarantee that you'll fall in love with it, just like I did. Let's give it a try! We're starting to tread on a territory in JavaScript that is still enveloped in fog and mystery. Many of the things I am about to reveal to you are only known in closed circles of gurus and oracles that hold their wisdom secret... I'm just kidding of course, but this arcane knowledge will probably unlock some of your finest skills in JavaScript, so please, attend to it with focus and care. Here are some selected readings to help you navigate the module landscape in JavaScript. JavaScript Modules: A Beginner's Guide https://medium.freecodecamp.org/javascript-modules-a-beginner-s-guide-783f7d7a5fcc (Part 1) and https://medium.freecodecamp.org/javascript-modules-part-2-module-bundling-5020383cf306 (Part 2) Practical guide to JS modules https://medium.freecodecamp.org/anatomy-of-js-module-systems-and-building-libraries-fadcd8dbd0e Where ES Modules (ESM) shine https://github.com/rollup/rollup/wiki/ES6-modules
Views: 489 Code Realm
NodeJS App Registration Service that uses crypto and mongodb
 
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NodeJS web service for registering a user that uses the crypto and salt before inserting into mongodb.
Views: 354 Steve Buonincontri
Testing YoutTube API NodeJS module x
 
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Test video upload via YouTube API x