Lam Chau lamchau

lamchau / _extract-mixin.js

Last active February 25, 2016 15:43

mixin for underscore/lodash to deeply extract values with a given key/predicate

	// deep _.pluck/_.map combined with a _.compact
	_.mixin({
	extract: function(object, predicate, values) {
	values = _.isArray(values) ? values : [];

	_.each(object, function(value, key, hash) {
	if (_.isObject(value)) {
	_.extract(hash[key], predicate, values);
	}

lamchau / windows-venv.sublime-project

Created February 14, 2016 20:45

lamchau / pip-freeze.ps1

Created February 14, 2016 20:45

	$pip_file = "requirements.txt"

	try {
	pip freeze > $pip_file

	# PowerShell creates UTF16 LE with Windows line endings so we must convert
	# for pip to consume
	# http://stackoverflow.com/questions/8852682/convert-file-from-windows-to-unix-through-powershell-or-batch
	Get-ChildItem $pip_file \| ForEach-Object {
	$contents = [IO.File]::ReadAllText($_) -replace "`r`n?", "`n"

lamchau / phone-number-conversion.vb

Created December 29, 2015 01:25

	Function NormalizeString(Optional ByVal value As Variant) As String
	If value = vbNullString Then
	NormalizeString = ""
	Else
	NormalizeString = StrConv(value, vbUpperCase)
	End If
	End Function

	Function getPhoneDigit(Optional ByVal value As Variant) As Variant
	getPhoneDigit = NormalizeString(value)

lamchau / simple-flag-check.js

Created November 23, 2015 10:18

	var checkOption = function(optionName) {
	return process.argv.some(function(option) {
	if (option.indexOf("--", 0) === 0 && optionName) {
	return option.substr(2).toLowerCase() === optionName.toLowerCase();
	}
	return false;
	});
	};

lamchau / underscore-case.js

Created November 5, 2015 21:39

	// a1Foo => a1_foo

	function getRange(start, end) {
	return [start.charCodeAt(0), end.charCodeAt(0)];
	}

	function inRange(value, start, end) {
	return value >= start && value <= end;
	}

lamchau / stats.js

Created October 31, 2015 19:46

	function Stats(data, precision) {
	var PRECISION = precision \|\| 2;
	var length = data.length;

	var mean = (function() {
	var sum = data.reduce(function(a, b) {
	return a + b;
	}, 0);
	return sum / length;
	})();

lamchau / comparator-chain.js

Created October 18, 2015 16:24

	function getPath(object, path) {
	if (typeof object === 'undefined' \|\| typeof path !== 'string') {
	return undefined;
	}

	var index = path.trim().indexOf('.');
	if (index < 0) {
	return object[path];
	}

lamchau / findBalancePoint.js

Last active December 3, 2015 19:16

	function findBalancePoint(array) {
	if (array.length === 0) {
	return 0;
	}
	if (array.length === 1) {
	return 1;
	}
	// initial sums
	var left = 0;
	var right = 0;

lamchau / rosie-mixins.js

Created October 12, 2015 12:36

	(function(Factory, Lorem, underscore) {
	var SHA_CHARS = "0123456789abcdef";
	var ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
	var CATEGORIES = ["Low", "Medium", "High"];
	var ONE_YEAR_IN_MILLISECONDS = 31536000000;
	var _ = underscore;
	var methods;
	// http://www.ssa.gov/oact/babynames/decades/century.html
	var FIRST_NAME = ["James", "John", "Robert", "Michael", "William", "David", "Richard", "Joseph", "Charles", "Thomas", "Christopher", "Daniel", "Matthew", "Donald", "Anthony", "Mark", "Paul", "Steven", "George", "Kenneth", "Mary", "Patricia", "Jennifer", "Elizabeth", "Linda", "Barbara", "Susan", "Margaret", "Jessica", "Sarah", "Dorothy", "Karen", "Nancy", "Betty", "Lisa", "Sandra", "Ashley", "Kimberly", "Donna", "Helen"];
	// https://en.wikipedia.org/wiki/List_of_most_common_surnames_in_North_America