spalladino

Falsehoods that Ethereum programmers believe

I recently stumbled upon Falsehoods programmers believe about time zones, which got a good laugh out of me. It reminded me of other great lists of falsehoods, such as about names or time, and made me look for an equivalent for Ethereum. Having found none, here is my humble contribution to this set.

About Gas

Calling estimateGas will return the gas required by my transaction

Calling estimateGas will return the gas that your transaction would require if it were mined now. The current state of the chain may be very different to the state in which your tx will get mined. So when your tx i

yekver

const prom = require('prom-client');
const pm2 = require('pm2');

let pm2Bus;

const REQ_TOPIC = 'get_prom_register';

function pm2exec(cmd, ...args) {
  return new Promise((resolve, reject) => {
    pm2[cmd](...args, (err, resp) => (err ? reject(err) : resolve(resp)));

pydevops

• 0.1. References
• 0.2. Other cheatsheets
• 0.3. Manage multiple gcloud config configurations
  • 0.3.1. Switch gcloud context with gcloud config
• 0.4. Credentials
• 0.5. info
• 0.6. projects
• 0.7. zones & regions
• 0.8. Organization
• 0.9. billing

antonmedv

<?php

namespace AppBundle\Entity;

use AppBundle\DependencyInjection\Container;

class ActiveRecord extends Container
{
    protected static function getDoctrine()
    {

poma

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Ansi 0 Color</key>
	<dict>
		<key>Alpha Component</key>
		<real>1</real>
		<key>Blue Component</key>
		<real>0.19522881507873535</real>

nicanaca0

<?php

namespace AppBundle\Command;

use Sylius\Component\Core\Model\ChannelPricingInterface;
use Sylius\Component\Core\Model\ProductInterface;
use Sylius\Component\Core\Model\ProductVariantInterface;
use Sylius\Component\Product\Model\ProductAssociationInterface;
use Sylius\Component\Product\Model\ProductAssociationTypeInterface;
use Sylius\Component\Taxonomy\Model\TaxonInterface;

jcderr

#!/bin/bash

FROM=$1

[[ -n "$FROM" ]] || exit 1

for ITEM in ns secrets configmaps rc deployments svc; do
    for OBJ in $(kubectl --context=$FROM get $ITEM -o name); do
        kubectl --context=$FROM get $OBJ -o yaml | kubectl create -f -
    done

rondy

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

bekco

<?php

/**
 * User: bekco (Behçet Mutlu)
 * Date: 17/11/16
 * Time: 17:52
 */

namespace Acme\Oauth2Bundle\Oauth\Extension;

craigvantonder

#!/bin/bash

# AWS CLI
apt-get install zip -y;
curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip";
unzip awscli-bundle.zip;
./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws;
aws configure;

#AWS Access Key ID [None]: Obtained when creating user in AWS IAM