niksumeiko’s gists

niksumeiko / handlebars.helpers.ifEquals.js

Created October 1, 2013 12:02

Handlebars.js templates engine custom IF condition helper. Allows to compare values one to each other like you are used to in programming.

	// Compares first value to the second one allowing entering IF clouse if true.
	// Otherwise entering ELSE clause if exist.
	Handlebars.registerHelper('ifEquals', function(a, b, options) {
	if (a === b) {
	return options.fn(this);
	}

	return options.inverse(this);
	});

niksumeiko / utils.getLocalStorageUsedSpace.js

Last active December 24, 2015 15:49

JavaScript function that calculates allocated localStorage memory. Also applicable to get sessionStorage used memory.

	/**
	* Returns localStorage (or its particular key) allocated memory
	* in Megabytes (MB).
	* @param {string=} opt_key inside the storage to calculate
	* used space for.
	* @return {number} with 2 decimal points.
	*/
	function getLocalStorageUsedSpace(opt_key) {
	var allocatedMemory = 0,

niksumeiko / utils.numberToDay.js

Last active February 7, 2020 18:29

JavaScript function that converts a number into the 2 digits day of the month with leading zeros (01-31). Very useful when working with the output that holds days of the month without leading zeros (1-31).

	/**
	* Turns a number/string to 2 digits day of the month with leading zero.
	* @param {number\|string} day to turn into day.
	* @return {string}
	*/
	function numberToDay(j) {
	return ('0' + j).slice(-2);
	}

	// Examples:

niksumeiko / git.color

Last active August 29, 2015 13:55

Git command to enable colors for all git commands in Mac OSX Terminal.

	# By executing this command in your Mac OSX Terminal, all git commands will have
	# colors, so you're more comfortable reading git produced output.
	git config --global color.ui true

niksumeiko / git.snapshot

Last active August 29, 2015 13:55 — forked from jellea/gist:3438926

	#!/bin/bash
	#
	# This script will make a webcam snapshot every commit. The jpg file will have
	# the commit id as the filename.
	#
	# This script requires imagesnap. Install with: 'brew install imagesnap'
	#
	# Put this file in the '.git/hooks/' name it 'post-commit' and chmod it by:
	# 'chmod +x .git/hooks/post-commit'
	#

niksumeiko / git.migrate

Last active April 10, 2025 01:10

Moving git repository and all its branches, tags to a new remote repository keeping commits history

	#!/bin/bash
	# Sometimes you need to move your existing git repository
	# to a new remote repository (/new remote origin).
	# Here are a simple and quick steps that does exactly this.
	#
	# Let's assume we call "old repo" the repository you wish
	# to move, and "new repo" the one you wish to move to.
	#
	### Step 1. Make sure you have a local copy of all "old repo"
	### branches and tags.

niksumeiko / gslint.conf

Created April 7, 2014 10:53

Sample Closure Linter configuration file used within WebStorm IDE

	--strict
	--jsdoc
	--summary
	--beep
	--check_html
	--nomultiprocess
	--debug_indentation
	--time

niksumeiko / exercises.creditcard.js

Created April 22, 2014 13:12

JavaScript exercise that requires to create credit card input fields validation functions.

	/**
	* @fileoverview Utils Interface credit card validation methods.
	* @author (Wind Tammer)
	*/
	utils = {};

	/** @type {Object<Function>} */
	utils.creditcard = {};

niksumeiko / catching-promise-errors.js

Last active July 15, 2017 13:32

Catching errors thrown inside Nodejs promise

	'use strict';


	var Promise = require('promise');


	/** @desc A function that returns a promise with an error-prone code. */
	function build() {
	return new Promise(function(fulfill, reject) {

niksumeiko / promises-chaining.js

Last active August 29, 2015 14:23

Promises chaining that solves "callbacks hell"

	'use strict';


	var Promise = require('promise');


	function build() {
	return new Promise(function(fulfill, reject) {
	fulfill('zero');
	});

Nik Sumeiko niksumeiko