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VadimKovalenko
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| /* | |
| Useful links | |
| Docs: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/Promise | |
| */ | |
| /* | |
| Custom Promise implementation | |
| Promise is the object that stores state of async operation | |
| It has public methods: | |
| .then - consumer of the promise. Can have onResolve and onReject callback functions |
VadimKovalenko
/ mongodb_cheat_sheet.md
Created
November 11, 2020 10:38
— forked from bradtraversy/mongodb_cheat_sheet.md
MongoDB Cheat Sheet
VadimKovalenko
/ Docker shell commands.sh
Created
February 29, 2020 10:05
— forked from bahmutov/Docker shell commands.sh
A personal cheat sheet for running local Node project in a Docker container
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| # See list of docker virtual machines on the local box | |
| $ docker-machine ls | |
| NAME ACTIVE URL STATE URL SWARM DOCKER ERRORS | |
| default * virtualbox Running tcp://192.168.99.100:2376 v1.9.1 | |
| # Note the host URL 192.168.99.100 - it will be used later! | |
| # Build an image from current folder under given image name | |
| $ docker build -t gleb/demo-app . |
VadimKovalenko
/ Helpers.js
Created
May 4, 2019 16:44
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| const Helpers = { | |
| isMobile() { | |
| let check = false; | |
| (function (a) { | |
| if (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|iko |
VadimKovalenko
/ debug_log-v1.txt
Last active
November 17, 2023 08:03
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| 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 |
VadimKovalenko
/ isUnique.js
Created
August 15, 2018 07:14
//Check if element is unique in array (custom function)
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| //Check if element is unique in array | |
| let testArr = [false, true, false, false, true, 10] | |
| isUnique = function(arr, val) { | |
| let auditor = [] | |
| function isExist(index) { | |
| return index === val | |
| } | |
| let filtered = arr.filter(isExist) | |
| auditor = auditor.concat(filtered) |
VadimKovalenko
/ JS-playground.js
Last active
September 10, 2020 07:23
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| function User(f, l) { | |
| this.f = f | |
| this.l = l | |
| this.print = function() { | |
| console.log(this.f + ' ' + this.l) | |
| } | |
| } | |
| let Vad = new User('Vadim', 'Kovalenko') |
VadimKovalenko
/ Immutable JS Examples
Created
June 7, 2018 10:04
— forked from singhshivam/Immutable JS Examples
Immutable JS Examples
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| List() | |
| var list = Immutable.List([1,2,3]) | |
| // [1, 2, 3] | |
| List.isList() | |
| Immutable.List.isList(list) | |
| // true | |
| List.of() | |
| var list = Immutable.List.of(1,2,3); |
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| const fetch = require('node-fetch'); | |
| class DataService { | |
| constructor(url) { | |
| this.url = url; | |
| } | |
| async getUser(id) { | |
| try { | |
| let response = await fetch(`${this.url}/users/${id}`); |
VadimKovalenko
/ store_subsctibe.js
Created
November 21, 2017 17:37
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| /*Subscribing to changes of redux store*/ | |
| store.subscribe( | |
| () => console.log(store.getState()) | |
| ); |
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