michaellihs

tmux Cheat Sheet

Table of Contents

• General Usage
• Shortcuts
• Commands
• Scripting tmux
• Configuring tmux

joker314

Ok, so, you might know about JavaScript regular expressions. Well, here is a tutorial about them, but written by a 13 year old, so it isn't actually any good!

Regular expressions go between / characters. Here is an exampe, /hi/.

Ok, now then. Let's learn how to match the string abc. Well, that's quite simple.

/abc/. Yey! So putting letters next to each other makes them match one after the other.

Ok, now, after the second / we can put a g to make it match globally, that is, we can extract abc from xyzabcghi.

the-vampiire

Ok, so, you might know about JavaScript regular expressions. Well, here is a tutorial about them, but written by a 13 year old, so it isn't actually any good!

Regular expressions go between / characters. Here is an exampe, /hi/.

Ok, now then. Let's learn how to match the string abc. Well, that's quite simple.

/abc/. Yey! So putting letters next to each other makes them match one after the other.

Ok, now, after the second / we can put a g to make it match globally, that is, we can extract abc from xyzabcghi.

zcaceres

'Include' in Sequelize: The One Confusing Query That You Should Memorize

When querying your database in Sequelize, you'll often want data associated with a particular model which isn't in the model's table directly. This data is usually typically associated through join tables (e.g. a 'hasMany' or 'belongsToMany' association), or a foreign key (e.g. a 'hasOne' or 'belongsTo' association).

When you query, you'll receive just the rows you've looked for. With eager loading, you'll also get any associated data. For some reason, I can never remember the proper way to do eager loading when writing my Sequelize queries. I've seen others struggle with the same thing.

Eager loading is confusing because the 'include' that is uses has unfamiliar fields is set in an array rather than just an object.

So let's go through the one query that's worth memorizing to handle your eager loading.

The Basic Query

mort3za

# Generate a new pgp key: (better to use gpg2 instead of gpg in all below commands)
gpg --gen-key
# maybe you need some random work in your OS to generate a key. so run this command: `find ./* /home/username -type d | xargs grep some_random_string > /dev/null`

# check current keys:
gpg --list-secret-keys --keyid-format LONG

# See your gpg public key:
gpg --armor --export YOUR_KEY_ID
# YOUR_KEY_ID is the hash in front of `sec` in previous command. (for example sec 4096R/234FAA343232333 => key id is: 234FAA343232333)

laurenfazah

Express & Postgres via Knex

Note: <example> is meant to denote text replaced by you (including brackets).

Setup

// global dependencies
npm install -g knex

ErikAugust

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#ifdef _MSC_VER
#include <intrin.h> /* for rdtscp and clflush */
#pragma optimize("gt",on)
#else
#include <x86intrin.h> /* for rdtscp and clflush */
#endif

lorenzorapetti

const { Model, AjvValidator } = require('objection');
const pluralize = require('pluralize');

class BaseModel extends Model {
  /**
   * Always use timestamps as default
   */
  static get timestamps() {
    return true;
  }

nzaghini

import fs from 'fs'
import { makeExecutableSchema } from 'graphql-tools'
import { graphql } from 'graphql'
// the actual resolvers
import resolvers from '../src/resolvers'
// the mock service
import mockMovieService from './mocks/mockMovieService'

// a nice structure for test cases
// found at https://hackernoon.com/extensive-graphql-testing-57e8760f1c25

VirtuBox

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