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felix crisan
felix crisan

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Published in

Google Cloud - Community

·Mar 19, 2020

Shortening URLs with Google Functions and Google Sheets

We’ve all stumbled upon url shortening services like bit.ly, tinyurl.com or goo.gl (this last one was shut down a while ago). They spare us of having to communicate hard-to-spell or too long urls (has anyone tried to dictate over the phone the URL of a Google Drive folder?). Because if…

Google Cloud Platform

5 min read

Shortening URLs with Google Functions and Google Sheets
Shortening URLs with Google Functions and Google Sheets
Google Cloud Platform

5 min read


Published in

Elrond Network

·Dec 10, 2018

Elrond’s Design Rationale

Note: Throughout this article by proposer we’ll refer to a node/entity in the network that is in charge at a specific time of proposing a new block, while validator(s) will designate the nodes/entities that are responsible with validating the block put forward by the proposer, thus effectively “vouching” for the…

Blockchain

6 min read

Elrond’s Design Rationale
Elrond’s Design Rationale
Blockchain

6 min read


Published in

Elrond Network

·Oct 5, 2018

YABP (Yet Another Blockchain Primer)

Do All Roads Lead to Rome? Evaluating complex systems characteristics is always a hard task, because the more complex a system is, the more different it will be from any other system, even if their stated goal is the same. …

Blockchain

14 min read

YABP (Yet Another Blockchain Primer)
YABP (Yet Another Blockchain Primer)
Blockchain

14 min read


Feb 26, 2018

jq oneliners for Lightning Network

I’m currently testing the c-lightning BOLT implementation and, being an incipient technology and all that, the tooling around it is not yet that much developed. This means that, for the moment, we have to heavily rely on the cli interface. And the best part is that all the command outputs…

Blockchain

3 min read

Blockchain

3 min read


Published in

The New Finance

·Jan 28, 2018

Capitalism in the crypto-era

Marx might’ve not been the one that coined the term “capitalism”, but he’s for sure the one that popularised it by using it in his papers. And, although he’s (along with his pal, Engels) been widely using it, his framing of the capitalism was just as an intermediate step (a…

Bitcoin

2 min read

Bitcoin

2 min read


Published in

The New Finance

·Jan 14, 2018

Speed, give me what I need

I keep seeing lots and lots of articles comparing the speed (in transactions per second) between the traditional financial system (but mostly card and mostly Visa) with one or the other of the cryptocurrencies. A recent infographic is the one here, where Visa is listed with 24kTPS vs Ripple’s 1.5kTPS…

Bitcoin

2 min read

Bitcoin

2 min read


Dec 28, 2017

Analytics with Clusterdock and Zeppelin

When looking for a quick way to bootstrap a Hadoop cluster (maybe for learning or for some kind of staging / testing platform), Clusterdock is a good option. …

Docker

2 min read

Docker

2 min read


Aug 19, 2017

Useful Docker functions and aliases

If you work long enough with docker containers (and only work from the command-line) you might be tired of typing docker ps -a to get a list of all containers or docker exec -ti container_name bash to log into the container named 'container_name'. If so, here are three functions/aliases that…

Docker

2 min read

Docker

2 min read


Jul 8, 2017

Deploying Ethereum contracts from command-line

If you’re using geth to interface a public or private Ethereum blockchain, you migh’ve noticed that since geth 1.6 the possibility of compiling contracts using IPC/RPC has been removed. …

Ethereum

2 min read

Ethereum

2 min read


Published in

Google Cloud - Community

·Jan 28, 2017

Apache Cassandra Clusters on Google Cloud (GCE)

When it comes to 1click installs for a wide range of solutions (not only Apache Cassandra, but other relational and non-relational databases, application servers, appliances and whatnot), there are prebuilt solutions available for every major cloud platform out there (AWS, Azure and GCE). I haven’t looked (so I can’t talk…

Google Cloud Platform

2 min read

Google Cloud Platform

2 min read

felix crisan

felix crisan

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