joepie91

No, your cryptocurrency cannot work

Whenever the topic of Bitcoin's energy usage comes up, there's always a flood of hastily-constructed comments by people claiming that their favourite cryptocurrency isn't like Bitcoin, that their favourite cryptocurrency is energy-efficient and scalable and whatnot.

They're wrong, and are quite possibly trying to scam you. Let's look at why.

What is a cryptocurrency anyway?

There are plenty of intricate and complex articles trying to convince you that cryptocurrencies are the future. They usually heavily use jargon and vague terms, make vague promises, and generally give you a sense that there must be something there, but you always come away from them more confused than you were before.

kumekay

Create Root Certificate Authority and self-signed certificate for your Home Assistant. Compatible with Chrome browser > version 58 and macOS 10.15 Catalina

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

mikezter

pnputil /enum-drivers > ./driveroutput.txt
Get-Content .\driveroutput.txt | Select-String -Pattern "Published Name" | %{$_.Line.Split(" ")} | Select-String -Pattern ".inf" | Where { $_ } | Set-Content .\oems.txt
foreach($line in Get-Content .\oems.txt) {
  pnputil.exe /delete-driver $line
}

zoernert

pragma solidity ^0.4.10;
/**
 * StromDAO Business Objects
 * ====================================================================
 * Upper level business objects required for power delivery on a public
 * energy distribution system. Defines PowerDelivery as digital asset
 * used for transaction data and entities (roles) for master data.
 * 
 * @author Thorsten Zoerner <thorsten.zoerner(at)stromdao.de)
 **/

zoernert

var StromDAONode = new require("./StromDAONode.js");
var node = new StromDAONode.Node({});

// Hole einen GWALink und schreibe einen Messwert

node.gwalink('0xBA2ef7bF8f21218c85c3399025E0d6D63632dc03').then(
	function(gwalink) {
		var reader_in = gwalink.reader_in;		
		var reader_out = gwalink.reader_out;		
		var myReading=new Date().getTime();

roylee0704

docker logs nginx 2>&1 | grep "127." 

# ref: http://stackoverflow.com/questions/34724980/finding-a-string-in-docker-logs-of-container

olbat

Create SSH tunnels using systemd units

Table of contents

• Overview
• Setup the SSH agent systemd unit
• Setup the SSH-tunnel systemd unit
• Create tunnels using systemd services
• Examples
• Create a tunnel to a web server on a machine that's only accessible by SSH

zoernert

[ { "constant": true, "inputs": [], "name": "name", "outputs": [ { "name": "", "type": "string", "value": "MicroDAO" } ], "type": "function" }, { "constant": false, "inputs": [], "name": "executeSpendingRequests", "outputs": [], "type": "function" }, { "constant": false, "inputs": [ { "name": "number_of_days", "type": "uint256" }, { "name": "requiredShares", "type": "uint256" } ], "name": "setDirectorLock", "outputs": [], "type": "function" }, { "constant": true, "inputs": [ { "name": "", "type": "uint256" } ], "name": "bookings", "outputs": [ { "name": "time", "type": "uint256" }, { "name": "funding", "type": "uint256" }, { "name": "spending", "type": "uint256" }, { "name": "counterpart", "type": "address" }, { "name": "text", "type": "string" } ], "type": "function" }, { "constant": false, "inputs": [], "name": "closeFunding", "outputs": [], "type": "function" }, { "constant": false, "inputs": [ { "name": "node", "type": "string" } ], "name": "setDirectorNode", "outputs": [], "type": "function" }, { "consta

seanbehan

HTML form for file uploads

<!-- in templates/form.html -->
<form action="/upload" method="POST" enctype="multipart/form-data">
 <input type="file" name="logo">
 <button>Upload</button>
</form>

tanyuan

Smart Caps Lock: Remap to Control AND Escape (Linux, Mac, Windows)

把 Caps Lock 變成智慧的 Control 以及 Escape ：

• 單獨輕按一下就是 Escape 。
• 若按下時同時按著其他鍵，就會是 Control 。

這應該是 Vim 和 Emacs 的最佳解了！(Emacs? Bash 的快捷鍵就是 Emacs 系列的)

• Send Escape if you tap Caps Lock alone.