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Daniel Pyrathon PirosB3
PirosB3
/ Interview (1).ipynb
Created
September 10, 2018 21:50
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PirosB3
/ commitment.sol
Created
May 18, 2018 05:43
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=
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| pragma solidity ^0.4.0; | |
| contract Commitment { | |
| enum CommitmentState { OPEN, CLOSED } | |
| mapping (address => bool) attendeesRegistered; | |
| mapping (address => bool) attendeesRefunded; | |
| uint totalDeposited; | |
| uint totalGuests; |
PirosB3
/ commitment.sol
Created
May 18, 2018 05:28
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=
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| pragma solidity ^0.4.0; | |
| contract Commitment { | |
| enum CommitmentState { OPEN, CLOSED } | |
| mapping (address => bool) attendeesRegistered; | |
| mapping (address => bool) attendeesRefunded; | |
| uint totalDeposited; | |
| uint totalGuests; |
PirosB3
/ ballot.sol
Created
May 18, 2018 05:15
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=
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| pragma solidity ^0.4.0; | |
| contract Ballot { | |
| struct Voter { | |
| uint weight; | |
| bool voted; | |
| uint8 vote; | |
| address delegate; | |
| } | |
| struct Proposal { |
PirosB3
/ pycharm_typing_tutorial.py
Created
November 27, 2017 16:40
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| from typing import Tuple, NamedTuple, List, Optional, Dict | |
| class SpendResult(NamedTuple): | |
| is_successful: bool | |
| remaining_balance: int | |
| class Bank(object): |
PirosB3
/ gist:004745633f31d19c608c94be57315c10
Last active
February 27, 2017 00:39
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| { | |
| "txid": "8608b1ee194cdacbd3b2d1728b4883afe11a76d4a60b3d8d1f36317ccc12d583", | |
| "hash": "8608b1ee194cdacbd3b2d1728b4883afe11a76d4a60b3d8d1f36317ccc12d583", | |
| "size": 224, | |
| "vsize": 224, | |
| "version": 2, | |
| "locktime": 1488155936, | |
| "vin": [ | |
| { | |
| "txid": "a7681326607bbb94026fca9f21563b2c1418c22b8e39638f7910e338915ead46", |
PirosB3
/ gist:ab7815fe5db951715aba7b0983a9ada7
Created
September 27, 2016 07:54
My first raw transaction
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| { | |
| "txid": "c15083d9593abad0e0ee35afa12ae7463497d34de0bc9a51e86b16634b5e9779", | |
| "version": 1, | |
| "locktime": 0, | |
| "vin": [ | |
| { | |
| "txid": "592928d43a21294fce7592edac21060aa47cc22d9c368c544cdcdb8ef178900c", | |
| "vout": 0, | |
| "scriptSig": { | |
| "asm": "304402200e5ea2c9944770d5f823316565a7a1bd1131caeb203c827b47aa5d14596f80c502203e2fd2b99b39127d6f0cc5f30791048f890e2fe03cdc5d0c10e4b542b7ff8d0f01 036613cf1e844edde97f89468ce453bb609d3270a986ca9fbb6dd29d90773bf67e", |
I've always been interested in how information is stored and retrieved. Inspired by a project of a friend (Levelgraph), I decided to research more about Hexastores and how they can be adapted to modern NoSQL databases such as LevelDB and Cassandra. Out of this fascination and curiosity I created Hexagon: a simple Python implementation of Hexastores backed by LevelDB.
In this talk I plan on giving a very simple and hands-on introduction to the subject, followed by a demonstration of how Python really allowed me to focus on the implementation thanks to its extremely intuitive syntax and features. I will show how generators, collections, and Test Driven Development allowed me to iterate fast and not get lost in (too many) bugs along the way.
The talk will start with an overview of what Hexagon is and the reason why I built it. The second step will consist in the explanation of the two main concepts behind Hexagon itself, namely LevelDB and the
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| my_request = flask.make_response('asd', 200, {'Authorization': 'bearer xxxxxxx'}) |
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