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wash your hands

Siwalik Mukherjee siwalikm

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wash your hands
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@siwalikm
siwalikm / ember-cli-build.js
Created Mar 30, 2020 — forked from vasind/ember-cli-build.js
Ember CLI performance improvements and tips
View ember-cli-build.js
// Credits to the following posts that helps me to reduce build times drastically
// https://discuss.emberjs.com/t/tips-for-improving-build-time-of-large-apps/15008/12
// https://www.gokatz.me/blog/how-we-cut-down-our-ember-build-time/
//ember-cli-build.js
let EmberApp = require('ember-cli/lib/broccoli/ember-app');
let env = EmberApp.env(),
@siwalikm
siwalikm / component.js
Last active Mar 18, 2019
Reset dirty attributes in Emberjs
View component.js
const { get, String, inject: { service } } = Ember;
export default Component.extend({
store: inject.service(),
// Note: As we are using pushPayload to modify data directy in store, rollback won't be possible.
// Use https://github.com/offirgolan/ember-data-copyable to clone your model and restore if needed.
actions: {
// some action which get's triggered on some change which makes our model dirty.
someAction() {
@siwalikm
siwalikm / reactTriggerChange.js
Last active Feb 1, 2019
Trigger React's synthetic change events on input, textarea and select elements
View reactTriggerChange.js
function reactTriggerChange(e){var t,n,c,r,a,i,v,u,o,d,l=e.nodeName.toLowerCase(),p=e.type;function s(e,t){var n=Object.getOwnPropertyDescriptor(e,t);n&&n.configurable&&delete e[t]}function E(e){e.preventDefault(),r||(e.target.checked=!1),a&&(a.checked=!0)}"select"===l||"input"===l&&"file"===p?((t=document.createEvent("HTMLEvents")).initEvent("change",!0,!1),e.dispatchEvent(t)):"input"===l&&{color:!0,date:!0,datetime:!0,"datetime-local":!0,email:!0,month:!0,number:!0,password:!0,range:!0,search:!0,tel:!0,text:!0,time:!0,url:!0,week:!0}[p]||"textarea"===l?(n=Object.getOwnPropertyDescriptor(e,"value"),(t=document.createEvent("UIEvents")).initEvent("focus",!1,!1),e.dispatchEvent(t),"range"===p?(v=(i=e).min,u=i.max,o=i.step,d=Number(i.value),i.min=d,i.max=d+1,i.step=1,i.value=d+1,s(i,"value"),i.min=v,i.max=u,i.step=o,i.value=d):(c=e.value,e.value=c+"#",s(e,"value"),e.value=c),(t=document.createEvent("HTMLEvents")).initEvent("propertychange",!1,!1),t.propertyName="value",e.dispatchEvent(t),(t=document.createEvent(
@siwalikm
siwalikm / move_bitbucket_to_github.sh
Created Jan 8, 2019
Clone repo from Bitbucket to Github
View move_bitbucket_to_github.sh
$ git clone https://user@bitbucket.org/user/project_name.git
$ cd project_name
# create new respository in github eg. `cloned_project`
$ git remote add upstream git@github.com:user/cloned_project.git
$ git push upstream master
$ git push --tags upstream
@siwalikm
siwalikm / en-de-crypt_in_node.js
Created Jul 9, 2018
Encryption and decryption with Nodejs
View en-de-crypt_in_node.js
// Nodejs encryption with aes-256-cbc
var crypto = require('crypto'),
algo = 'aes-256-cbc',
key = 'super123secretKey!';
function encrypt(text){
var cipher = crypto.createCipher(algo,key)
var crypted = cipher.update(text,'utf8','hex')
crypted += cipher.final('hex');
@siwalikm
siwalikm / JSmemory.md
Last active Mar 14, 2020
JS reference and scope
View JSmemory.md
var foo = {'bar': 1};

function overwriteFoo(obj) {
   obj = {'bar': 2};
}

function overwriteFooBar(obj) {
   obj.bar = 2;
}

overwriteFoo(foo)

View memory.md
var x = 5;
const name = 'Homer';

let homer = {
  first: name,
  last: 'Simpson'
};
@siwalikm
siwalikm / cssStringToFileDownloader.css
Created Feb 27, 2018
function to convert your css string to downloadable file
View cssStringToFileDownloader.css
cssStringToFileDownloader = function (cssString) {
var blob = new Blob([cssString], { type: 'text/css' });
var el = document.createElement('a');
el.download = 'cssPaletteBundle.css';
el.href = URL.createObjectURL(blob);
el.dataset.downloadurl = ['text/css', el.download, el.href].join(':');
el.style.display = 'none';
document.body.appendChild(el);
el.click();
document.body.removeChild(el);
@siwalikm
siwalikm / aes-256-cbc.js
Last active Aug 2, 2020
AES-256-CBC implementation in nodeJS with built-in Crypto library
View aes-256-cbc.js
'use strict';
const crypto = require('crypto');
const ENC_KEY = "bf3c199c2470cb477d907b1e0917c17b"; // set random encryption key
const IV = "5183666c72eec9e4"; // set random initialisation vector
// ENC_KEY and IV can be generated as crypto.randomBytes(32).toString('hex');
const phrase = "who let the dogs out";
var encrypt = ((val) => {
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