jbutko

import React from 'react';
import {ScrollView, Text} from 'react-native';

const isCloseToBottom = ({layoutMeasurement, contentOffset, contentSize}) => {
  const paddingToBottom = 20;
  return layoutMeasurement.height + contentOffset.y >=
    contentSize.height - paddingToBottom;
};

const MyCoolScrollViewComponent = ({enableSomeButton}) => (

jbutko

@media screen and (-webkit-min-device-pixel-ratio:0) { 
    /* Safari and Chrome */
    .flex-direction-nav-featured a{
        margin-top: 4%;
    } 

    /* Safari only override */
    ::i-block-chrome,.flex-direction-nav-featured a{
        margin-top: 5%;
    } 

jbutko

Send to the sender and noone else

socket.emit('hello', msg);

Send to everyone including the sender(if the sender is in the room) in the room "my room"

io.to('my room').emit('hello', msg);

Send to everyone except the sender(if the sender is in the room) in the room "my room"

socket.broadcast.to('my room').emit('hello', msg);

Send to everyone in every room, including the sender

jbutko

# 10 biggest files
sudo du -a /var | sort -n -r | head -n 10

# check available space
df -h

# check biggest folders/directories in GB
du -hsx * | sort -rh | head -10

# create user and assign password

jbutko

import axios, { AxiosResponse } from 'axios';
import { get } from 'lodash-es';

const rest = axios.create({
  baseURL: 'some base URL goes here',
});

// this one send file as Blob type 
const getPdf = () => (
  rest.get(`/get-pdf`, {

jbutko

Setup s3cmd to upload to digitalocean spaces

Generate new spaces API keys

https://cloud.digitalocean.com/account/api/tokens

Install s3cmd

sudo apt-get install s3cmd

Configure s3cmd to use digitaocean spaces

https://docs.digitalocean.com/products/spaces/resources/s3cmd/

jbutko

span {
    display:inline-block;
    width:180px;
    white-space: nowrap;
    overflow:hidden !important;
    text-overflow: ellipsis;
}

/* From http://stackoverflow.com/questions/11426275/how-can-i-show-dots-in-a-span-with-hidden-overflow*/ 

jbutko

Unregister runnning runner

UI way:

1. Delete runner from UI dashboard:

• open: https://gitlab.com/gallico/crypto-bot-server/-/settings/ci_cd
• click on "Runners" section
• click "Remove runner" button in "Available specific runners" section

2. run sudo gitlab-runner verify --delete command, dead runners will be deleted

Bash way:

1. SSH to your server

jbutko

# Resize Swap to 8GB
# Turn swap off
# This moves stuff in swap to the main memory and might take several minutes
sudo swapoff -a
# if it won't work issue: 
# sudo /sbin/swapoff

# Create an empty swapfile
# Note that "1G" is basically just the unit and count is an integer.
# Together, they define the size. In this case 8GB.

jbutko

1. install deps: yarn add -D husky lint-staged is-ci
2. configure husky pre-commit hook:

npm set-script prepare "husky install"
npm run prepare
npx husky add .husky/pre-commit "npm run pre-commit"

3. edit npm prepare script: "prepare": "is-ci || husky install"
4. add pre-commit script to package.json scripts section: