romelgomez

Modified Preorder Tree Traversal

Hierarchical data metrics that allows fast read operations on tree like structures.

Based on Left and Right fields that are set during tree traversal. When entered into node value is set to it's Left, when exiting node value is set to it's Right.

Sample implementation

mzellho

// based on Алексей Сердюков's answer at Stackoverflow (https://stackoverflow.com/a/50837219/1143392)

import {
  Directive,
  Input,
  OnDestroy,
  OnInit
} from '@angular/core';
import { MediaObserver } from '@angular/flex-layout';
import { MatGridList } from '@angular/material';

kosich

const { rxObserver, palette } = require('api/v0.3');
const { merge, timer, Subject, from, empty } = require('rxjs');
const { filter, startWith, bufferToggle, take, flatMap, zip, distinctUntilChanged, share, skip, map, windowToggle } = require('rxjs/operators');

// stream for coloring
const palette$ = from(palette);

const source$ = timer(0, 10).pipe(
    take(10),
    // get color for each item

AnjaneyuluBatta505

--select ARRAY(select distinct unnest(array_agg(category.arr)))
select ARRAY(select distinct unnest(array[array[1,2,3], array[4,2,8]]))

SagiMedina

import EXIF from 'exif-js';

const hasBlobConstructor = typeof (Blob) !== 'undefined' && (function checkBlobConstructor() {
    try {
        return Boolean(new Blob());
    } catch (error) {
        return false;
    }
}());

Zate

#! /bin/bash

# [get_golang.sh](https://gist.github.com/n8henrie/1043443463a4a511acf98aaa4f8f0f69)
# Download latest Golang release for AMD64
# https://dl.google.com/go/go1.10.linux-amd64.tar.gz

set -euf -o pipefail
# Install pre-reqs
sudo apt-get install python3 git -y
o=$(python3 -c $'import os\nprint(os.get_blocking(0))\nos.set_blocking(0, True)')

nilshartmann

Libraries and Tools for React

If you're developing an application based on React it can be helpful if you don't need to develop all the basic UI components yourself. Here you can find a list with various components, component libraries and complete design systems developed with and for React.

As the list got longer and longer I thought it would be better to have a "real" site for it.

👉 Please find the (new) list here: https://react-libs.nilshartmann.net/

arzzen

##
## How to install mcrypt in php7.2 / php7.3
## Linux / MacOS / OSX
##

## https://lukasmestan.com/install-mcrypt-extension-in-php7-2/



# 

innovia

from setuptools import find_packages, setup
from package import Package

setup(
    author="Ami Mahloof",
    author_email="[email protected]",
    packages=find_packages(),
    include_package_data=True,
    cmdclass={
        "package": Package

muhammadghazali

export function secondsToISOString(seconds) {
  const date = new Date(seconds * 1000);
  return date.toISOString();
}