ezirmusitua’s gists

ezirmusitua / scroll-to-positon.js

Created January 14, 2019 04:09

[Inside element scroll to position] scroll to position inside element(scollable element) #javascript #html

	const elem = document.querySelecor('#scollableElement');

	// scroll to specific position
	elem.scrollTop = 100px;
	elem.scrollLeft = 200px;

	// scroll to bottom/right
	elem.scrollTop = elem.scrollHeight;
	elem.scrollLeft = elem.scrollWidth;

ezirmusitua / run-tron-testnet.sh

Last active January 18, 2019 04:11

[Start local tron test net] start local tron test net with persistency #blockchain #docker #tron

docker run -it -p 9090:9090 -e "mnemonic=wrong bit chicken kitchen rat" -e "accounts=20" --rm --name tron trontools/quickstart

ezirmusitua / validate-json-string.js

Created January 17, 2019 15:30

[Validate json string format] Validate json string format #javascript #json #regex #node

	function validateJsonStr(jsonStr) {
	let content = jsonStr.replace(/\\["\\\/bfnrtu]/g, '@');
	content = content.replace(/"[^"\\\n\r]"\|true\|false\|null\|-?\d+(?:\.\d)?(?:[eE][+\-]?\d+)?/g, ']');
	content = content.replace(/(?:^\|:\|,)(?:\s*\[)+/g, '');
	return /^[\],:{}\s]*$/.test(jsonStr);
	}

ezirmusitua / check-port-usage.cmd

Created January 17, 2019 15:32

[Check port usage] check port usage with cmd in windows #windows #terminal #network

netstat -ano | findstr <port_number>

ezirmusitua / manage-process.cmd

Created January 17, 2019 15:35

[Manage process] mange process in cmd #windows #terminal #system

ezirmusitua / extract-substring.sh

Created January 17, 2019 15:48

[Extract substring] extract substring with cut in bash #bash #linux

	# one line
	## explaination
	### 1. echo something and pipe to cut for processing
	### 2. -d<char> means cut string by char
	### 3. -f<num> means get the second set of cutted result
	echo 'someletters_12345_moreleters.ext' \| cut -d'_' -f 2

	# multi line
	INPUT='someletters_12345_moreleters.ext'
	SUBSTRING=$(echo $INPUT\| cut -d'_' -f 2)

ezirmusitua / capture-screenshot.js

Last active January 17, 2019 15:53

[Capture screenshot] implement capture screenshot in electron #electron #node

	const fs = require('fs')
	const os = require('os')
	const path = require('path')
	const electron = require('electron')
	const desktopCapturer = electron.desktopCapturer
	const electronScreen = electron.screen
	const shell = electron.shell

	const screenshot = document.getElementById('screen-shot')
	const screenshotMsg = document.getElementById('screenshot-path')

ezirmusitua / fix-node-module-version.sh

Created January 17, 2019 15:58

[Fix NODE_MODULE_VERSION] fix NODE_MODULE_VERSION in electron #electron #node

	# This error is cause by node_module node version not matched
	# generally, it happend when you switch node version(with nvm & conda) but did not re-install dependencies
	# in some case, it was cause by the electron node version is not compatiable with local node

	## 1. install electron-rebuild
	yarn add electron-rebuild --dev
	## 2. remove node_modules
	sudo rm -rf node_modules
	## 3. re-install
	yarn

ezirmusitua / prettify-object-log.js

Created January 17, 2019 15:59

[Prettify object console log] Prettify object console log #javascript #node

	var user = {
	first: 'John',
	last: 'Doe',
	age: 42
	};

	// plain console log
	console.log(JSON.stringify(user, undefined, 2));
	// or with interpolation:
	console.log(`User: ${JSON.stringify(user, undefined, 2)}`);

ezirmusitua / create-eos-account.js

Created January 17, 2019 16:01

[Create EOS account] create EOS account with eosjs #javascript #node #blockchain #eos

	const config = {
	chainId: 'aca376f206b8fc25a6ed44dbdc66547c36c6c33e3a119ffbeaef943642f0e906',
	keyProvider: ['MY PRIVATE KEY'],
	httpEndpoint: 'https://api.eosnewyork.io:443',
	verbose: false, // API activity
	broadcast: true,
	sign: true,
	expireInSeconds: 60
	}

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