keyurgolani’s gists

keyurgolani / print_stack_trace.py

Created February 12, 2018 20:05

Print Whole Stack Trace in Python without halting the execution

	try:
	# Do something
	except Exception as e:
	import traceback
	import sys
	exc_info = sys.exc_info()
	traceback.print_exception(*exc_info)
	del exc_info
	# Handle Exception

keyurgolani / BinaryTreePrettyPrint.py

Created January 18, 2018 22:46

This code prints a binary tree in pretty fashion top down.

	"""
	Sample Output

	[0]
	[1] [2]
	[3] [4] [5] [6]
	[7] [8] [9] [ ] [ ] [ ] [ ] [ ]

	"""

keyurgolani / Utility.kt

Last active June 4, 2017 23:27

Kotlin Utility Functions Added to Builtin Classes for convenience.

	fun List<Int>.isEqualTo(other: List<Int>): Boolean {
	if (this.size != other.size) {
	return false
	}
	return (0..this.size - 1).all { this[it].equals(other[it]) }
	}

	fun List<Int>.isNotEqualTo(other: List<Int>): Boolean {
	if (this.size != other.size) {
	return true

keyurgolani / Lock.kt

Created June 1, 2017 20:57

Locking mechanism for multithreaded code in Kotlin.

	data class Lock<T: Any>(private val obj: T) {
	public fun acquire(func: (T) -> Unit) = synchronized (obj) {
	func(obj)
	}
	}

keyurgolani / checkObjExists.js

Last active May 6, 2017 17:16

Check if the object passed exists - JavaScript - Is not null, not undefined and not empty

	exists = function(obj) {
	if (typeof obj !== 'undefined') {
	if (obj !== null && obj !== undefined) {
	if (typeof obj === 'string') {
	return obj !== '';
	} else if (typeof obj === 'number') {
	return obj !== 0;
	} else {
	/* Node.js supports JSON.stringify(obj) syntax.
	* For other versions of JS, this should be replaced with appropriate syntax.

keyurgolani / dao.js

Last active June 17, 2024 03:44

Node.js Data Access Object (DAO) Template with Self Implemented Connection Pooling

	var mysql = require("mysql");
	// Configure your logger here
	var logger = require("../utils/logger");
	// Add a properties file here with the configurations
	// For properties file format visit https://github.com/steveukx/properties
	var properties = require('properties-reader')('properties.properties');

	function getConnection() {
	var connection = mysql.createConnection({
	host: properties.get('mysql.host'),

keyurgolani / snippets.cson

Created May 2, 2017 22:25

Atom Problem Solving Setup for Python

	'.source.python':
	'Snippet Name':
	'prefix': 'setup'
	'body': """
	def answer():
	pass


	def main():
	for case in range(int(raw_input())):

keyurgolani / UIColorWithHex

Created April 29, 2017 19:20

Extends UIColor in Swift to init a UIColor from given Hex Value or given RGB value with fixed 1.0 alpha value.

	extension UIColor {
	convenience init(red: Int, green: Int, blue: Int) {
	assert(red >= 0 && red <= 255, "Invalid red value")
	assert(green >= 0 && green <= 255, "Invalid green value")
	assert(blue >= 0 && blue <= 255, "Invalid blue value")

	self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: 1.0)
	}

	convenience init(rgb: Int) {

keyurgolani / console_confirmation.py

Created April 13, 2017 01:54

A simple python function that Prompts user on the standard console for confirmation. The user can choose one of multiple meanings either meaning Yes or No. Any other input will result in a bad input and the user will be prompted again. The user will be allowed to enter bad inputs exactly equal to the value of 'retries' parameter. Valid inputs fo…

	def console_confirmation(question, retries=4, message='Bad answer! Please try again.'):
	"""
	Prompts user on the standard console for confirmation.
	The user can choose one of multiple meanings either meaning Yes or No.
	Any other input will result in a bad input and the user will be prompted again.
	The user will be allowed to enter bad inputs exactly equal to the value of 'retries' parameter.
	Valid inputs for Yes response are 'y', 'yes', 'sure', 'alright', 'right', 'all right', 'positive', 'certainly', 'for sure', 'indeed', 'agreed', 'absolutely', 'affirmative'
	Valid inputs for No response are 'n', 'no', 'nope', 'na', 'nah', 'nada', 'negative', 'not really', 'not', 'no way', 'no ways'
	"""
	answer = raw_input(question + '\n')

Keyur Golani keyurgolani