Herman Devos

626 Flips | 4 Magazines | 14 Likes | 12 Following | 58 Followers | @donnerke | Keep up with Herman Devos on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Herman Devos”

Data Literacy Resources

Following on from my interview with Jordan Morrow – Global Head of Data Literacy – from Qlik I have put together a list of data literacy resources. …

Webinars

Top 5 Little Known QlikView Shortcuts

In this post, I wanted to highlight a few little-known QlikView keyboard shortcuts. Everybody is familiar with Ctrl-E to edit script or Ctrl-R to …

qlikshare.com

QlikView functions – a few to spice up your front-end!

Hello all! It’s been a while since my last post, so here I am trying to catch up with you guys again…In the past few months, I came across a couple …

A Primer on Set Analysis

<i>Set analysis is one of the more complex things you can use in QlikView or Qlik Sense. Its syntax is often perceived as complicated and there are some</i> …

The Aggregation Scope

When a calculation is made in a QlikView session, it always involves an aggregation over the relevant data records. But <i>which</i> records are relevant? …

Blockchain Scaling — Lightning Network

Blockchain Basics Series (5 part series — PART 4)<p>As volumes of transactions increase on Blockchains, the execution time slows down significantly …

Explaining blockchain basics

Following my studies of blockchain, I've focused to have a deeper understanding of what is a blockchain and how it works. Of course a lot of you may …

Blockchain

51st Biel Chess Festival 2018 - Games and Results

The 51st Biel Chess Festival took place Sun 22nd July (Round 1) to Wed 1st Aug 2018. World Champion Magnus Carlsen heads a strong field of Shakhriyar …

Extreme Sports

Microsoft Excel: The ONE Automation Macro You Need to Use

“If you sit in front of a computer screen all day creating reports in Microsoft Excel, you know the power of this software package. But if you aren’t …

The Basics of Mined vs. Non-Mined Cryptocurrency, Explained in Plain English

Here's everything you've ever wanted to know about how blockchain-processed transactions are validated.<p>The cryptocurrency market was virtually …

Cryptocurrencies

The Authoritative Guide to Blockchain Development

Cryptocurrencies, ICOs, magic internet money—it’s all so damn exciting, and you, the eager developer, want to get in on the madness. Where do you …

Ethereum researcher explains why sharding is the only true blockchain scaling solution

Binary District spoke exclusively with Vlad Zamfir, a researcher at the Ethereum Foundation; and Sergey Gorkov, chairman of the government-owned Russian development bank Vnesheconombank. Both discussed some of the most pertinent topics in Ethereum – scalability, lack of incentives for core …

Cryptocurrency

Excel & Business Math 28: IF Function, IS Functions & Building a Check Register Other IF Tricks too

Excel Magic Trick 1477: COUNTIFS & AND Functions for Duplicate Event Codes AND Task = "Special"

Magic

Blockchain Explained: How It Works, Who Cares and What Its Future May Hold

Best known as the immutable database that runs underneath cryptocurrencies like Bitcoin and Ethereum, blockchain is poised to play a critical role in …

Bitcoin could fall below $5,000 if this report on a mysterious cryptotoken is right

Some people think bitcoin’s spectacular price rise last year was manipulated by a cryptotoken called Tether that’s supposed to be pegged to the US dollar. Now, an anonymous report answers the question: What would bitcoin be worth without Tether? The answer: around $4,500, based on the current …

Financial Markets

The Era of Quantum Computing Is Here. Outlook: Cloudy

After decades of heavy slog with no promise of success, quantum computing is suddenly buzzing with almost feverish excitement and activity. Nearly …

Microsoft Excel: The Beauty of the TRANSPOSE Function

At the Right Times, TRANSPOSE Saves the Day!<p>If you would like a copy of the Excel file showing the TRANSPOSE process I discuss in this post, you can …

Coincheck Hack Highlights Need for Proper Decentralized Exchanges

<b>Many different lessons can be learned from the Coincheck debacle. The heist on this Bitcoin exchange raises a lot of questions and provides few</b> …

Blockchain

Clueless about bitcoin? Here’s your cryptocurrency crash course

Cryptocurrencies are a bit like the Kardashians: You’ve probably heard of them, but you may not really be sure why. They’re completely overexposed in …

Bitcoin is basically a Ponzi scheme

The other day my barber asked me whether he should put all his money in bitcoin. And the truth is that if he’d bought bitcoin, say, a year ago he’d …

Bitcoin and Ethereum have a hidden power structure, and it’s just been revealed

Close examination reveals how power is being consolidated across their networks.<p>In cryptocurrency circles, calling something “centralized” is an …

Bitcoin Mining

The Guardian view on quantum computing: the new space race | Editorial

The main use of quantum technology might not be to hack existing systems but to create unhackable communication networks of the future<p>The Washington Post’s columnist David Ignatius moonlights as a pacey novelist. His latest book, The Quantum Spy, is a thriller that touches upon the space race of …

The cost of bitcoin payments is skyrocketing because the network is totally overloaded

That's because as bitcoin has soared in popularity it's become too expensive to use in small transactions.<p>The problem came to a head in early December, when Steam, the popular downloadable video game store, announced it would stop accepting bitcoin payments for games, citing the currency's …

What the heck is Ripple? A brief look at the hottest cryptocurrency of the moment.

Move over ethereum and litecoin — ripple is suddenly the hot new cryptocurrency.<p>But ripple is different. It can't be mined. It can't be used to go …

Here's what a blockchain-based internet would look like

The internet's original vision was to create a decentralized and neutral platform that gave everyone equal access to services, content, and …

How To Write, Deploy, and Interact with Ethereum Smart Contracts on a Private Blockchain

Here are the rules: if you read this post all the way through, you have to deploy a smart contract on your private Ethereum blockchain yourself. I …

How are bitcoin, cryptowallets and blockchain related? Some jargon busted

When the bitcoin was first introduced eight years ago, it promised to change payments. People would be able to transact directly with each other, …

JPMorgan Switches Tact, Backs Bitcoin as New Gold

After Jamie Dimon drew a line in the sand for JPMorgan, calling it a ‘fraud,’ the company has once again stepped over that line, praising the digital …

Cryptocurrency