fabiochiu/medium-articles huggingface dataset:
The LGO Transparency Module
By: Hugo Renaudin
Tags: Cryptocurrency, Transparency, Blockchain, Trading, Bitcoin

Provable Transparency and Trading on LGO: What, How and Why ?

LGO was created with the ambition of bringing a transparent fair and secure environment to allow any kind of investors to trade digital assets.

To do so, we developed a proprietary technology using cryptography and blockchain to build tools which allow us to solve the following problems by design, without compromising the speed and efficiency of our trading platform. One of these tools was presented in our initial whitepaper as an “anti front-running” module. It is actually much more than that, which is why we’ve renamed it our transparency module.

We have released on April 16th, 2019 the LGO Node, which allows anyone to verify the orders and trades executed on LGO thanks to the blockchain technology. This tool is open source and is documented here.

The problems LGO solve

Problem #1 Data Authenticity

Trade data on LGO is provably transparent and authentic. Market participants can utilize LGO trade data with the assurance that it has not been corrupted.

Problem #2: Market Manipulations

LGO’s Transparency Module (described below) prevents front running or market manipulation from the exchange.

Manipulative activities by market operators in the cryptocurrency space have plagued the space since its early days. Our technology prevents us from front running our clients.

Problem #3: Inequitable trading

Our platform is built as a level playing field: whatever the technological infrastructure of our clients, they all have access to the same trading experience and the same information.

LGO Transparency Module: how it works

Signing and authenticating each order by the client

Clients sign the orders they place on LGO with a cryptographic key. Here, an order represents a trade order, but also — and more importantly — a withdrawal order.

By doing so, LGO can link an order to a trader, hereby confirming that trades are effectively done by the right clients. The confirmation of the trade is included in the trade itself which allows our clients to be sure that the right trades are processed on their behalf.

Withdrawal orders are all authenticated: this prevents an attacker to place a withdrawal order on LGO on behalf of the client and steal the funds from the clients.

Encrypting order content before it reaches LGO’s engine

Before reaching the LGO platform, orders are encrypted by a third party encryption key and the hash of the order is sent to the Bitcoin blockchain. When the hash is sent to the blockchain, the decryption key becomes available to LGO which then decrypts orders and sends them to the matching engine. This process is executed in less than a second.

Using blockchain as an audit trail

All orders sent to LGO are pooled, hashed and stored in the Bitcoin blockchain. This creates an audit trail of all orders, which allows anyone to control that trades, volumes, prices and data are correct.

We have designed a tool to use the blockchain data to compute the trade and order history. This tool is available here.
เจ้าหน้าที่เกาหลีใต้ถูกจับ หลังพบว่าใช้ข้อมูลวงในซื้อขายเหรียญคริปโต
Tags: Tradecoinstory, การลงทุน, Bitcoin, Cryptocurrency

Love and Teach people on Crypto currencies, Blockchain AI, Cross-platform Application, and Web Technology in Thailand. Also love hot chocolate and cats.

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Community Engagement: The Future Belongs To Those Who Prepare For It Today.
By: Iccdi Africa
Tags: Women, Engagement, Climate Change, Wash, Community

Idi-araba community is a well-known waterfront ‘slum’ located by the Lagoon in Lagos State. It is among the most vulnerable communities to climate change impacts because of its location barked by the various environmental degradations such as open defecation, killing off marine lives, plastic pollution, open bush burning, and waste burning posing more danger to human life as well as the destruction of the nation’s ecosystem.

Community Engagement at Idi-Araba Community

Yesterday, the Federal University of Technology, Akure in the person of Dr. Olumuyiwa Adegun held a “Community Awareness Drive” to sensitize and create awareness on climate change adaptation processes with the community residents of Idi-Araba, Mosafejo in oworo.

Present at the event as the speaker was our project lead — Abikoye Abimbola who spoke extensively on what climate change is and how their various activities are causing more damage to their environment. Ms. Abimbola, alongside Dr. Olumuyiwa proffered working solutions on how they can curb some of their daily behaviours and how to properly dispose of every waste material found to create a cleaner, healthier and conducive environment for themselves after the sensitisation.
Words and number consistency
By: Jan Schultink
Tags: Data Visualization, Investor Presentation

It is impossible to make a correct 5 year business forecast in an investor pitch. But your financial projection is not really a forecast, a prediction of the future, it is a picture made out of numbers. “If our company will be successful, this is what it could look like”.

Mistake number one is to make the projection ultra precise with 5 digits after the comma. It is just a guess, so a year 5 revenue number of $99,234,318 is not more credible than ~$100m.

But oversimplifying is not right either. The fact that you are for sure going to be wrong does not mean that you simply take 1% of a big market number to get to the year 5 scenario.

The trick is to make the words/visuals in your presentation consistent with your financial model. You are going to sell to millions of individual customers, drive the model that way. You rely on 5 big telco operators, put it in. SAAS company with recurring revenues? Model it. One-off perpetual licenses, use it as the basis of your model.

Teaching investors how the business works is more important than getting the point estimate right.
eastbound
By: Tyler A. Donohue
Tags: Poet, Creative Writing, Roadtrip, Poetry, Poem

every time I slip into these cowboy boots

I think of my mother — I think of the way I would

dance if music came on. I think of

how angry I was at her when I bought these

boots. How — I don’t remember

what I was angry about, but I remember

vomiting on the streets of Austin Texas;

cheap street cart taco and tex-mex

I remember driving through the night

delta blues; mustard morning rising

from the road ahead

I remember speaking to my father

hours later as the sun rose over Lake Pontchartrain

weary and worn — I saw

New Orleans in the distance and I could

see him sitting in his indigo morning

drinking his coffee and smoking Marlboro lights

and this is how we learn,

there is nothing

perfect, ever. But as I drove down Interstate 10

cowboy boots against the pedal

mother in my tear ducts, father in my ear —

if music came on, I would surely dance
Juego de Tronos - versión española
By: Jaime Durán
Tags: Data Visualization, NLP, Data Science, Politics, Politica

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Full disclosure, always: Peer Mountain listed on Project Transparency
By: Peer Mountain
Tags: Cryptocurrency, Bitcoin, Blockchain, Technology, Ethereum

We are proud to announce that Project Transparency has listed Peer Mountain as a responsible and trusted member of the blockchain and cryptocurrency industry. As supporters of this voluntary disclosure standard, we will provide full disclosure of the wallets Peer Mountain controls, and provide a voluntary explanation of any expenditure greater than 0.5% of the funds collected.

Project Transparency is a self-regulated venture that aims to improve regulatory procedures and disclosure in the cryptocurrency sector. Launched in 2017 by sixteen industry leaders, including Maecenas, Santiment, and Cofound.it, the initiative currently represents over $650M in market capitalisation.

“With the rapid rise of digital currencies and proliferation of ICOs, investors increasingly want security regarding their funds and transparency on how they are administered.” Project Transparency website

Self-governance and transparency are among Peer Mountain’s core values. In the face of stricter regulation of crypto markets around the world, we’re committed to developing and maintaining honest and open relationships with our investors, the crypto community, and lawmakers.

As early supporters of ICOCharter.eu, a self-regulation charter for European ICOs, we’ve also established a fair and transparent ICO. Our CEO, Jed Grant, developed a comprehensive guide to ICO due diligence to help investors better evaluate not only Peer Mountain, but all crypto projects. This three-part series features a framework for ICO due diligence, advice on crypto valuation, and running a fair ICO.

Transparency is vital to Peer Mountain’s economy of trust, and to strengthening investor confidence in the cryptocurrency market. We’re looking forward to helping Project Transparency reach its ambitious goals.
Hope Can’t Sing but Knows the Words
By: Presley Thomas
Tags: Free Verse, LGBTQ, Drag Queens, Poetry, Gay

Photo by Nick Fewings on Unsplash

A drag show

can also

be a miracle if

it starts on time.

Bring your dollars

and your hollers.

Tip your bartenders.

On your way there

listen

to pop anthems,

imagine

those words

mouthed

by a dramatic

lip and

a flourish

of claw-like

manicure.

Hope for a kiss

on the cheek

that leaves

a mark.

Make-up is

a true novelty

when your lover

prefers oiling

his beard

to applying

mascara.
What Are AANAPISIs?
By: National Center For Institutional Diversity
Tags: Asian American, Series, Equity, Higher Education, Research

Introduction by series curators Thai-Huy Nguyen, assistant professor of education at Seattle University, and Bach Mai Dolly Nguyen, assistant professor of education at Oregon State University.

Asian American and Native American Pacific Islander Serving Institutions (AANAPISIs) represent an opportunity to bring awareness and elevate Asian American and Pacific Islander (AAPI) students in postsecondary education. Joining Historically Black Colleges and Universities, Hispanic Serving Institutions, and Tribal Colleges and Universities as a Minority Serving Institution, AANAPISIs place AAPI students within the broader discourse of race, opportunity and equity. As organizational manifestations of AAPI student interest, AANAPISIs occupy a strained and limited position in current scholarship in part because AAPI student experiences and outcomes are ignored or rendered invisible. This is a result of a broader social context that essentializes, and marks AAPI populations as an unimportant consideration in the battle against social, economic, and political inequality. This series on the scholarship of AANAPISIs is an endeavor to spark new inquiry that expands our understanding of institutions focused on supporting AAPI students who live within a racial order that uses and fears their presence. Written by emerging and established scholars and institutional leaders, the four contributions in this series symbolize distinct perspectives, but collective attention toward the future of AANAPISI scholarship.

The series begins with a brief history of the origins of AANAPISIs. Jude Dizon and Victoria Kim offer a poignant account of the advocacy exerted by multiple stakeholders necessary for the inclusion of AANAPISI in Title III of the Higher Education Act. This historical synopsis grounds the series in the roots of the designation’s beginnings. Next, Willa Kurland, Thai-Huy Nguyen, Nestor Enguerra, and Bach Mai Dolly Nguyen turn attention to the individuals responsible for bringing AANAPISI to life on college campuses by highlighting the critical role of program directors. The focus on AANAPISI leadership foregrounds the impact of AANAPISI programs on students, which is featured in Rowena Tomaneng and Rose Ann Gutierrez’s contribution. They provide rare insight on the role of two-year AANAPISIs in affirming the needs of diverse populations within the AAPI category in their highlight of one programmatic example. Finally, Bach Mai Dolly Nguyen, Thai-Huy Nguyen, and Dina Maramba end the series with a vision for future scholarship on AANAPISIs, arguing for inquiries that push AANAPISI research forward, revealing new conceptual knowledge of race, higher education, and inequality.
How to Get Crypto DeFi Data Into Your Spreadsheet: Part 1
By: Chris Ware
Tags: Blockchain, Cryptocurrency, Defi, Data Science, Bitcoin

The purpose of this article is to demonstrate how to easily search and get data for the crypto DeFi markets in a spreadsheet using Cryptosheets. This is intended for all users levels and highlights basic concepts

OVERVIEW

In this tutorial we’re going to highlight several examples demonstrating how to get different types of DeFi data, metrics and analytics into Excel & Googlesheets using Cryptosheets. For this article (Part 1) we’ll focus on three basic DeFi data concepts for statistics, historical liquidity & yield farming.

(QUICK) DEFI BACKGROUND

DeFi is short for “decentralized finance” which is a broadly generalized term for a variety of financial applications across the cryptocurrency and blockchain industry. The defining and unifying attribute is that they are all commonly designed to disrupt legacy financial intermediaries and optimize traditional market inefficiencies.

The category is constantly evolving with current major applications including: stablecoins, decentralized exchanges (DEXs), crypto debt servicing (borrowing/lending), prediction markets, yield farming, liquidity mining, full stack autonomous financial transaction management and much more.

HOW TO

Follow the simple steps for each example to find and get different types of DeFi data.

EXAMPLES COVERED

DeFi Global Stats UniSwap V2 Historical Liquidity Yearn Yield Farming

EXAMPLE 1: DeFi Global Stats

Arguably the easiest to remember formula to get DeFi data in Cryptosheets is CoinGecko’s API endpoint fittingly named “defi”.

Load your Google or Excel spreadsheet and login to Cryptosheets In cell A1 type “Coingecko” In cell A2 type “defi” In cell A4 type =CSQUERYA(A1,A2)

5. To clean up the formatting we’ll use the global parameter called _path and add it to our existing formula like this

6. Finally we’ll use the built in TRANSPOSE formula to pivot the data and format the values

Here are the exact formulas if you want to simply copy + paste to try them yourself…
How Do You Find Malware? Microsoft and Intel Try Converting It Into 2D Images
Tags: Cybersecurity, Hacking, Malware, Technology

To pull this off, the companies converted the malware’s programing into a one-dimensional stream of digital pixels. As their study explains, each byte in the malware’s code can be imaged to correspond to a different level pixel intensity.

The researchers then expanded the pixel streams into 2D images by using the malware’s file size after the conversion to determine the width and height. This allowed the Microsoft-Intel antivirus program to see the malware’s characteristics and train itself to discern them.

The approach, dubbed STAMINA, is showing some promising results. In a test using real-world malware samples, the antivirus program achieved 99.07 percent accuracy with a false-positive rate of 2.87 percent.

The companies developed STAMINA to address drawbacks in today’s antivirus scanning technology. The detection approaches can also involve disassembling a piece of malware into metadata to find trace signs of dangerous behavior. However, hackers are routinely coming up with ways to mask the malicious processes, making computer virus detection akin to a cat-and-mouse game.

STAMINA could potentially add a new tool to ferret out malware. “This joint research is a good starting ground for more collaborative work,” Microsoft said. “For example, the researchers plan to collaborate further on platform acceleration optimizations that can allow deep learning models to be deployed on client machines with minimal performance impact. Stay tuned.”

However, the company notes the approach does have a key limitation: it has trouble dealing with large file sizes. Converting them into a 2D image would require billions of pixels, making the detection method less practical if the malware comes bundled in a big program.
I Am Not A Goddess. I am not a goddess Don’t put me on a…
By: Radhika Tara Kali
Tags: Religion, Feminism, Culture, Poetry, Women

I am not a goddess

Don’t put me on a pedestal

Don’t make me the reason for your wars

Don’t wrap me up in six meters¹

Don’t say it’s for my best

Don’t put me in a cage

Don’t weigh me with chains

Of Expectations

I am not a goddess

Don’t kill in the name of my ‘honor’

Don’t slay an innocent and call it culture

Don’t pierce lovers on your swords

While you pierce underage children

Don’t wrap women up in shame

While you wrap yourself up in rubber

Don’t pull pink pallu on one’s face

And black ink² on another

Respect ME

The me I am

Not the me you want me to be

The me who wears shorts

The me who wears red lips

The me who loves men and women

Sometimes three

I am not a goddess

I am not a saint

I am not an aadarsh

Anything you said

I am not dutiful

I am not ashamed

I am not a goddess

Don’t compare me to one

I am not a goddess

I don’t want to be one

I am not a goddess

I am just a woman

~

Radha

aadarsh- adj. ideal

¹A saree is six meters long.

²In Indian Subcontinent, whenever a woman does something that ‘dishonors’ her family and people, black ink is put on her face to shame her. Think Scarlett Letter.

This story was published in The Cotton Thread — weaving life with words. If you want to be a writer in our publication, visit the page below
New Advisors Join Vite Labs
By: Khun Sir
Tags: Blockchain, Ethereum, Crptocurrency, Bitcoin, Vite

We are pleased to announce that two experienced blockchain professionals have joined Vite Labs team as our advisors.

The first advisor is Mirza Uddin. Mr. Uddin is from the United States and graduated from Harvard University. He worked as a venture capitalist at Two Sigma, a quantitative hedge fund that manages $50 billion in New York. He was also responsible for researching on blockchain startups. Prior to that, he worked for Index Ventures, a Silicon Valley-based venture capital fund, well-known for being early investors in Facebook and Dropbox. Mirza also worked for Boston Consulting Group, a top consulting firm in the same ranks as McKinsey, providing strategic advisory for Fortune 500 companies.

Mirza Uddin (Left) and Ivan Golovko (Right)

The second advisor is Ivan Golovko. Mr. Golovko is from Russia and is a partner of Distributed.fund, a well-known Russian fund. He served as the Chief Marketing Officer of ICODrops, the go-to website for token crowdsale information, where he is responsible for project evaluation and business development. To date, ICODrops has collected the information of nearly 800 projects and is authoritative resource for cryptocurrency institutions and retail investors seeking great projects. Mr. Golovko is now a key member of a new blockchain company, Legalthings One, where he is trying to use blockchain technology to solve the problem of customer data privacy and compliance in governments and enterprises workflow.

We look forward to working with these two professionals with rich investment and operational experience in the blockchain sphere, and receiving their advice in expanding our overseas business development, marketing, and operations functions.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Official: https://www.vite.org/

Telegram:

Twitter：https://twitter.com/vitelabs

Discord：https://discordapp.com/invite/CsVY76q
The War on Thanksgiving
By: Background Noise Comics
Tags: Thanksgiving, Politics, Humor, Comics, Political Satire

Don’t worry- no fighting here. Lisa ate too much turkey, John ate too much pecan pie, and everyone got happily stuffed. We hope you did too.
The inherent flaw of cryptocurrencies; STOCKHODL syndrome.
Tags: Crypto, Cryptocurrency, Stablecoin, Bitcoin, Cryptoeconomics

Why is this an inherent flaw?

When designing something that should work as a currency it means using it as a medium-of-exchange. Then its purpose should be to act as an intermediary that changes hand often and is not really owned by anyone. Much like a river facilitates travel of ships and therefore goods, a good currency should have a certain liquidity that allows a healthy movement of goods (and services). But if everyone is just holding on to their currency it would be as if everyone was building dams to hold up tributaries that feed the river. With what little water is left in the river the reach of ships would decrease, also the depth of the water would pose problems and so ships would have to be smaller and carry less.

That is exactly what is currently happening to cryptocurrencies. A large portion of coins or tokens are being held or HODL (or should that be HEDL?). When so much is being held there is not enough liquidity to allow fluctuations in quantity. People get used to the low water levels and decide to build right up to the water line thinking its prime real estate. Then when someone sells a large quantity of coins/tokens it would be like opening a large dam without warning. The water gushes down, rapidly increasing the water level of the river and destroying anything built close to the water.

This problem is caused by the aforementioned “stockhodl syndrome”. Because the cryptocurrency is viewed as and treated as an asset, and there is as of yet no clear daily use for it, when someone buys any crypto the initial reason for the buy is so as to sell when its value increases.

This “stockhodl syndrome” is made even more severe due to various methods of rewarding those who hold and penalising those who spend. This incentive to make people hold is just so as to create a false sense of scarcity to raise the value, which in turn gives positive reinforcement to the “stockhodl syndrome”.

There are a few cryptocurrency exceptions that do have some sort of intrinsic value or do provide value. However, it’s not so far off to say that 99.9% of current cryptocurrencies are designed as assets, in other words, are designed for you to “hodl” them.
Top 3 in Sex This Week — May 16 to 23
By: R.J. Quirk
Tags: Relationships, Sexuality, Sex, Self, Intimacy

Help! The hot weather has arrived. And I can’t stop dreaming about washboard-abs and sex-on-the-beaches. Oh, baby. Maybe it’s the sexy, late-night Medium stories. Or maybe, it’s quarantine-brain.

Nah. It’s definitely the stories. But don’t take my word for it.

This week’s roundup is full of top-tier writers. Each master imagery, language, and style to capture all the luscious nuances of getting in on in 2020.

Here’s hoping their words bring you as much, um, excitement, as they did me.
How To Kiss
By: Rodney Uhler
Tags: Humor, Man Piece, Romance, Satire, Love

Photo by Alejandra Quiroz on Unsplash

Kissing; or “mouth landing” as many experts call it, is easy once you know the proper steps. You may have gone to many Italian restaurants with candles and left without kisses because you were embarrassed to admit you didn’t know how, but the following is an instruction manual, which is a better way to learn than internet videos.

Identify the Mouth

Kissing is much harder when you don’t know what a mouth is; but it is the opening on your head that emits sighs and is where you put popcorn. It is also the body part for you and your kissing partner that you’ll use the most in kissing. Advanced kissers (or “kissets” if it is a female kisser) can incorporate other body parts, or even household objects, into their kissing but let’s not get ahead of ourselves.

Assess the Mood

Despite what you’ve heard from the radio, kissing is not an activity for anyplace or anyone. Kissing in the wrong environment could have disastrous results, such as the Gulf War, which was started because of a poorly planned kiss. You cannot kiss in daylight. Kissing should only be done: next to a velvet curtain, if holding an ornate glass bottle, if your name is Francois, or at any point while at sea. The old saying “if you kiss in an elevator, a janitor will get a raise,” is true.

Pick the Right Type of Kiss

There are different kinds of kisses and like slang or the flow of toilets, the types depend on where you are in the world: America, the United Kingdom, Australia, or “other.” We will only cover the American types of kisses here so if you are traveling please respect that country’s customs. There are “soft kisses,” which are done mainly on an extended forearm and can only be done if the giver of the kiss has a small mustache. There are “big kisses,” which is any kiss that is three feet or larger. Lastly, there are “French Kisses,” which you only get if you find a bottle of French’s Mustard on sale.

Practice Safe Kissing

Before you begin a kiss, remove all objects from your mouth except your teeth. It’s a good idea to establish a safe word with your partner so if at any time you or your co-kisser become frightened you can stop. The preferred safe word is “Doily.”

How Long Should A Kiss Last?

4 to 16 minutes.

Stick the Landing!

You may think you now know all there is to know about kissing, but knowing how to stop is a crucial step, without which you could harm yourself, even fatally. An easy, common, way to stop is to tap your kissing partner’s shoulder to let them know this kiss has concluded. Once you two have disentangled and have wiped down it is customary to ensure they know by saying, “This kiss is over.”
OSPI Releases 2018–19 Student Discipline Data
By: The Office Of Superintendent Of Public Instruction
Tags: Education, Student Discipline, Public Schools, K 12 Education

Today, the Office of Superintendent of Public Instruction (OSPI) released student discipline data from the 2018–19 school year. The data are available at the school, district, and state level through the state Report Card.

The overall percentage of Washington’s students in grades K–12 who were excluded from school in the 2018–19 school year decreased slightly from the previous year (from 4.1% to 4.0%).

While some student groups continue to be disciplined more frequently than their peers, some of these gaps narrowed in 2018–19. Most notably, the percentage of students in foster care who were excluded decreased from 16.1% to 15%. Students with disabilities also saw a decrease from 9.1% to 8.5%.

Other student groups who experienced lower exclusion rates from the previous school year include students experiencing homelessness and students identified as Native American/Alaskan Native, among others.

The new data are from the first school year in which revised statewide student discipline rules were in effect. Additional rules just went into effect for the current school year.

The recently overhauled discipline rules discourage the use of exclusion as a form of punishment because it has been found to be ineffective in improving student behavior and has several documented harmful effects on students and schools.

Student groups who are overrepresented in school discipline suffer more of these negative effects, such as disconnection from school, loss of academic progress, dropping out, and juvenile or criminal justice involvement.

Research over the past three decades has identified practices that help to reduce gaps in discipline rates and the use of suspension and expulsion overall. These include a structure of Multi-Tiered Systems of Support (MTSS), which includes Positive Behavioral Interventions and Supports, Social/Emotional Learning, family engagement, and data-based decision-making.

Additional practices that help to reduce discipline gaps and fall within an MTSS framework include culturally-responsive teaching, bias-aware classrooms and schools, positive student/teacher relationships, academic rigor, and high expectations for all students.

For More Information

· OSPI’s Behavior Menu of Best Practices

· OSPI’s Equity in Student Discipline webpage

· OSPI’s Multi-Tiered Systems of Support webpage

· Positive Behavioral Interventions and Supports website

· OSPI’s Social and Emotional Learning webpage

· Practice Brief: Reducing and Eliminating Disparities in School Discipline
WAX Essentials: Technical Article Round-Up
By: Wax Io
Tags: Videogames, Bitcoin, Ethereum, Technical Analysis, Blockchain

Over the last few months, WAX has released updates on a variety of projects and accomplishments, such as the WAX Bounty Program, the 17th announcement of a new crypto-collectible that will be available on OPSkins.com and tradeable with WAX Tokens, and updates related to events and partnerships.

While we also continue to put out development updates related to the WAX Blockchain and the overall progress of our project, we wanted to take this opportunity to roundup some of the technical posts that we’ve published in the past. So whether you’ve been with us since the beginning and are looking to reacquaint yourself with the design aspects of WAX, or you’re brand new to the community and don’t know where to begin, we’ve got you covered.

We’ve rounded up five articles below that review some of our most meaningful technical topics:
What Is MLOps And Why Your Team Should Implement It
Tags: Machine Learning, Technology, DevOps, Data Science, Programming

What Is MLOps And Why Your Team Should Implement It

From Software To Deployment

Photo by Arseny Togulev on Unsplash

Background

In 2014 a group of Google researchers put out a paper titled Machine Learning: The High-Interest Credit Card of Technical Debt. This paper pointed out a growing problem that many companies might have been ignoring.

Using the framework of technical debt, we note that it is remarkably easy to incur massive ongoing maintenance costs at the system level when applying machine learning. [D. Sculley, Gary Holt, etc]

Another way the researchers put this in a follow-up presentation was that launching a rocket was easy, but ongoing operations afterwards was hard. Back then, the concept of DevOps was still coming into its own, but these engineers and researchers realized that there were many more complications in terms of deploying a machine learning model vs. deploying code.

This is when the popularity of machine learning platforms began to rise. Eventually, many of these platforms adopted the term MLOps to explain the service they were providing.

That begs the question. What is MLOps?
The School of Startups presents: BlockChain, Bitcoin and Security Risk Factors
By: Gloria De Felice
Tags: Bitcoin, Helsinki, Blockchain, Events, Workshop

The School of Startups has begun for over a week now, the events and workshops are increasingly engaging and compelling. Since Monday 24th, the event gathered around 200 participants.

The topics are from different backgrounds, from the business world, to design and to technology.

During these stimulating days, precisely on October 11th, Timo Oinonen will discuss “BlockChain, Bitcoin and Security Risk Factors”.

Timo Oinonen is a trader and a partner of Digital Currency Research (@dcresearch_io). He is specialized in alternative investments, Fintech, finance, and bitcoin.

You will probably have heard about blockchain and bitcoin, which are not easy subjects but useful to understand. As a matter of fact, they are marking the future of data protection.

Briefly, blockchains are based on a revolutionary technology and prevent the multiplication of information. It is a cryptographic database, distributed to the public domain.

Timo will introduce the subject at the beginner level to give all the participants of any professional background the opportunity to learn. Through this workshop, the reason why it is demanding to know about blockchain and bitcoin and how secure this new data protection is will be discussed.

If you want to deep dive into the world of blockchain and bitcoin security register through Eventbrite and secure a spot.
That Xmas Feeling
By: Shalini C
Tags: Family, Christmas, Poets On Medium, Holidays, Poetry

Notes: Happy holidays, dear readers! These are tough times and I’m sure a lot of us have had to forego time with family this season. (Personally, the Zoom calls just don’t do it for me.) Nevertheless, I hope you feel loved and appreciated this Xmas and all other days. Here’s a happy christmas portrait in a poem for you.
Age of Empathy Submission Guidelines
By: Aimée Gramblin
Tags: Connection, Growth, Age Of Empathy, Empathy, Submission Guidelines

Welcome to Age of Empathy. If you are interested in becoming a writer, either send a draft of your story to aimee@gramblin.com with “Age of Empathy submission” in the subject line or add your request in the comment section below. Adhering to Medium’s guidelines is essential in growing this publication.

Thank you, Shanna Loga, for creating this style guide!

Style Guide

Let’s uplift this writing community, learn from one another, and share our beautifully varied voices.

Vision Statement
Core Learning Algorithm of Artificial Neural Network: Back-propagation Demystified
By: Anish Shrestha
Tags: Gradient Descent, Machine Learning, Neural Networks, Backpropagation, Deep Learning

If it has been a while then you might have already understood the purpose of back-propagation.

In this article, rather then focusing on what it is, we are going to understand how it actually works and why it is so awesome.

Let’s try to understand it by the simplest example possible.

How it works? — As Simple As Possible

To understand the algorithm, let’s take an example of the simple artificial neural network with one input layer and one output layer.

It has the input (x) with the weight (w) and an output (ŷ).

Note: Here we are not going to use any hidden layers, activation functions or add any bias unit.

Since we do not have any hidden layers and we are not using any activation function, our output (ŷ) is the multiplication of input (x) and weight (w):

ŷ = x * w

Now, let’s say we have our training data with an input (x)=1.5 and an expected output (y)=0.5.

+-----------+--------------------+

|input(x) | expected output(y) |

+-----------+--------------------+

| 1.5 | 0.5 |

+-----------+--------------------+

By given input 1.5 we expect our network to produce the output 0.5.

let’s initialize our weight (w) with random value w=0.8 and see what it produces.

1.5 * 0.8 = 1.2 +-----------+--------------------+---------------+

|input(x) | expected output(y) | output(ŷ) |

+-----------+--------------------+---------------+

| 1.5 | 0.5 | 1.2 |

+-----------+--------------------+---------------+

With the current weight, as you can see it produces 1.2.

Now we need to define the error for our network through which it can learn how bad it performed.

For simplicity, let’s take the difference between the actual output and the expected output then square it.

j = (ŷ - y)²

Now that we have our error function (j), our job is to minimize it. Backpropagation algorithm seeks to do it by descending along the error function: this is called Gradient Descent.
The Woman Who Survived 3 Terrible Shipping Disasters
By: Mythili The Dreamer
Tags: Life, Feminism, Religion, History, Women

The story of Violet Jessop

Jessop was born in 1887 to Irish parents who had immigrated to Argentina. At sixteen, she lost her father and her family made a move to Britain. Life was hard as her mother started working as a stewardess for the Royal Mail Line to make ends meet.

Later when her mother’s health failed, Violet decided to follow in her mother’s footsteps to become a stewardess. But she was consistently rejected because of her beauty. She was a striking beauty with auburn hair, sparkling grey-blue eyes, set off by a petite nose, and regal cheekbones. She was told ‘she was a bit too young and far too pretty’ for the position.

But Violet was one determined woman. She did not give up. She finally managed to get the job by looking older by wearing dowdy clothes and no makeup. However, of course, she could not hide her beauty as she got countless marriage proposals during her tenure as a stewardess.

Her first big break came with the White Star luxury vessel RMS Olympic. Things were going well for her when one day, the ship rammed into the British warship HMS Hawke on September 20, 1911. Neither ship sank but it was still a harrowing experience for a 24-year-old girl who had just started in life. Life soon returned to normal for Jessop as later she got her dream job in the RMS Titanic, arguably the best ship of that time.

Just 4 days after its departure, RMS Titanic struck an iceberg on April 14, 1912, and sank into the freezing Atlantic Ocean. At the time of the incident, Violet (a devout Catholic) had recited a prayer to ‘protect’ her from fire and water. And it seems her prayers saved her as Violet and the other survivors were rescued by the RMS Carpathia after being for 8 hours in a tiny lifeboat bobbing precariously in the freezing waters of the Atlantic.

And as we know later, the sinking of the Titanic led to the death of over 1,500 people and became one of the deadliest peacetime disasters in maritime history.

One would have thought that after two big disasters like this, Jessop would never venture into the sea, but she did and found herself in the path of yet another disaster.

In 1916, Jessop found herself again working as a stewardess and nurse for the British Red Cross. She was now aboard another White Star liner HMHS Britannic. The ship initially launched as a passenger liner before later being repurposed as a hospital ship during the war.

On the morning of November 21, 1916, an unexplained explosion wrecked the unfortunate ship. Within minutes, the HMHS Britannic plunged into the Aegean Sea. Only 30 out of 1066 passengers survived and Jessop was one of them.

This time, however, she was hurt as her head hit the keel of the ship resulting in a traumatic head injury that later turned out to be a skull fracture. Nevertheless, Jessop survived and remained undeterred as she went on with her career to serve other ships from the Red Star Line and Royal Mail Line until her retirement in 1950.
BTS: Optimize ระดับบุคคล
Tags: Management

I am a product builder who specializes in programming. Strongly believe in humanist.

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Dream of Ballet, This Midsummer Afternoon
Tags: Entertainment, Headlines, Medford Leas Theater, Families, Bbc Concert Orchestra

Fans of ballet, the works of Shakespeare, and great music will love the showing of a performance of the ballet A Midsummer Night’s Dream in the Medford Leas Theater on Saturday, Nov. 5 at 2 p.m. at the Medford Leas Theater located at 1 Medford Way. The two-act ballet was choreographed and set to music, composed by Felix Mendelssohn, accompanying Shakespeare’s play of the same name.

BBC Concert Orchestra Conductor Stewart Kershaw conducted; the production featured dancers from the Pacific Northwest Ballet, with choreography from George Ballanchine. Enjoy the ballet from the comfort of the Medford Leas Theater, which boasts a state-of-the-art projection screen and surround sound system that will immerse you in the performance and the music. Enjoy scrumptious hors d’oeuvres and other delicacies during intermission.

The great performances and cuisine are the next best thing to being at the concert in-person. A suggested donation of $5 is payable at the door. More information is available at http://www.medfordleas.org/event-categories/leasmusicast.

Medford Leas is a nationally accredited, not-for-profit community guided by Quaker principles for those aged 55 and older, with campuses in Medford and Lumberton, New Jersey. For more information, call 609–654–3000 or visit www.medfordleas.org.
Submission Guidelines
By: Sarene B. Arias
Tags: Submission Guidelines

Have a suggestion for Medium or its users? Drop it in the box!

Image via Pixy.org

Do you have a suggestion for Medium or Medium Users? Drop it in the box.

Disclaimer: We have no indication that Medium corporate folks, curators or anyone else knows about the Suggestion Box, but they should, and in the meantime, we users can help one another.

Ready to be added as a writer to Suggestion Box? Comment below with your request and a link to your most relevant past story and we’ll be happy to add you.

Please note: As the topic of “Suggestion Box” is Medium and how to succeed here, it’s unlikely that the stories you submit here will be chosen for further distribution. But, if you read the box, you’ll learn that stories about how to succeed on Medium are very successful (and earn $ in the Medium Partner Program) even without curation.

**Since Medium does not allow stories to be tagged “Medium,” we recommend the “Tips” tag when submitting a suggestion for Medium.**

Once you’ve been added as a writer, to submit:

Click the “…” button near the top-right corner of the page Select “Add to publication” Choose “Suggestion Box” from the list of pubs Click “Add draft” to submit your story for review Wait patiently for your draft to be reviewed (we’ll try our best to get to it quickly) Depending on your settings, you should receive an email from Medium once your story is accepted or rejected.

Writing Guidelines
Do You Even Know Who They Were Before You?
By: Cristina Rojas Colloridi
Tags: Life, Parents, Life Lessons, Memories, Family

Do You Even Know Who They Were Before You?

Seize the quarantine to find out who your parents are.

They’ve seen us grow up.

They’ve seen us become who we are.

They’ve been there all along.

Yet, we only know them as our parents, our mom, and dad.

We sometimes forget that they were a whole different person before taking on the role of parent.

Take this time of isolation, to reconnect with them.

And find out who they are?

How was their kindergarten experience?

What were they like in school?

Who was their first crush?

What things they loved of uni, and what things they hated?

What’s their first memory?

What’s their best memory?

Have they ever been truly scared of something? When? Why?

What was it like to live X event?

Etc, etc.

Find out who they were before they had you.

Because if not now, then when?
Matching Underwear
By: Ann Litts
Tags: Humor, Underwear, Working From Home, Nursing, Women

Photo by Fahad Waseem on Unsplash

July 2017:

I started wearing matching underwear sixteen years ago when I went to work in the operating room. I found myself getting changed in a locker room full of other women twice a day and suddenly ‘people’ were seeing my undies. Not just my husband (I was married at the time).

Oddly enough, it was all those women — women with whom I would never have sex, let it be noted — who inspired me to up my underwear game. I suppose everyone wants to dress nicely in front of their peers. The women in the locker room had every imaginable underwear combination from granny panties to g-strings to commando. It was a real eye-opener for a sheltered ICU nurse like myself.

They don’t mention this stuff in the interview process. No one told me that switching my career from ICU nurse to OR nurse would not only change my personality and give me the ability to hold my own in a swearing contest with a Navy SEAL but also compel me to express my individuality in my choice of undergarments. I suppose, because in the operating room, everyone dresses the same on the outside.

Over the years, I left the operating room and returned to it. But the matching undies obsession stayed. In fact, when I go underwear shopping, I take it as a sign from The Heavens if I find matching bra and panties in my size. The Powers That Be most surely want for me to have this. It’s simply destiny. Who am I to disagree with The Universe?

Namaste.
Adapting Objective-C APIs to Swift With NS_REFINED_FOR_SWIFT
By: Bruno Rocha
Tags: Swift, Mobile, Programming, Xcode, iOS

NS_REFINED_FOR_SWIFT

The NS_REFINED_FOR_SWIFT attribute can be added to Objective-C methods to indicate that you want to have full control of how this API is translated to Swift. When added to an Objective-C API, the compiler will still port it, but it will do so in the shape of a special hidden method that you can use to redefine it as something else. Here's an example of a singleton in Objective-C:

@interface SRMyClass : NSObject

+ (instancetype)sharedInstance;

@end

By default, this will be converted to a sharedInstance() method in Swift, but in Swift standards, this would look better as a computed property instead.

To customize how it’ll be translated, let’s add the attribute to the Objective-C definition:

@interface SRMyClass : NSObject

+ (instancetype)sharedInstance NS_REFINED_FOR_SWIFT;

@end

As mentioned, using this attribute won’t stop the method from being migrated to Swift, but it’ll be done in a special way. In the case of methods, their name will be prefixed by two underscores ( __ ):

let instance = SRMyClass.__sharedInstance()

The reason for this is precisely to indicate that this method shouldn’t be used as-is. In fact, if you try to implement this example, you’ll notice that while you can use it, it will not show in code completion at all. The intention, instead, is for you to abstract this special method into what you actually want this to look like in Swift. In the case of our singleton example, if we want it to become a computed property, we should define that property in our Swift code and implement it by calling the exposed unrefined method:

extension SRMyClass {

var shared: SRMySingleton {

return __sharedInstance()

}

}

Because the original unrefined method doesn’t even show up in code completion, you can be sure that the developers will always use the correct Swiftified version of it.

My personal favorite use of this attribute is to add default parameters to methods, which is something normally ignored in Objective-C for not being easy to implement but extremely simple and useful in Swift. To do so, we just need to create a version of the method that contains default parameters and internally call the original unrefined one:

NS_REFINED_FOR_SWIFT is also a great way to enforce type safety in places where it wouldn't be applicable in Objective-C. In Swift, you can easily abstract unsafe id ( Any / AnyObject ) Objective-C methods (e.g. under generics).

public extension SRPersistance {

func object<T>(forKey key: String) -> T? {

return __object(forKey: key) as? T

}

}
OHF’s Top 20 of 2020: Group 4
By: Clay Rivers
Tags: Anti Racism, 2020, Equality, Best Of, Racism

What a year. From the pandemic to the protests to the partisanship, volumes will be written about the 366 days that comprised 2020. Our writers have chronicled this year through the lofty lens of equality in their stories: the highs, the lows, and the crazy range of stuff in-between.

The editors of Our Human Family (OHF) culled this year’s articles for our favorites: the works that best reflect the ideals to which we aspire. While we adore all our writers and their ability to bring the fullness of their humanity to their writing, the twenty writers and their works listed below — none of whom are OHF editors — nailed it. Through their writing, these authors shined a light on the complexities and idiosyncrasies of the human experience that bring us together or sometimes keep us from achieving our fullest potential.

We’re revealing four of our favorites in no particular order each day over a five-day period, and then sharing the full list on New Year’s Eve. So sit back and enjoy the fourth installment of these reflections that explores and illuminates the strength, beauty, shame, and resilience of our human family.

Love one another,

Clay Rivers

Founder and Editorial Director

Sherry Kappel

Special Projects Editor

stephen matlock

Senior Editor
“Talenta, a local blockchain consulting firm, recently partnered with China’s co-working space giant, Ucommune to establish Singapore’s very first Blockchain Hub.”
Tags: Cryptocurrency, Blockchain, Bitcoin

Based in Singapore and operating globally, Infiny is a professional management consulting company that provides one-stop solution to blockchain projects and crowdfunding campaigns.

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