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Hashing

HashMap vs LinkedList

Internal Working

Java HashMap Questions

How To Describe HashMap? HashMap implements Map interface and maintains key and value pairs. HashMap internally works on the principle of Hashing HashMap can only contain unique keys and only one null key.

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from fractions import Fraction
"""
    General form of the Curves:
    y**2 = x**3 + a*x**2 + b*x + c
    So the curve is defined by the tuple (a,b,c).
"""


def on_curve(x, y):
    """Check if (x,y) is on the curve y**2 == x**3+3*x"""

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// Enable component-scanning and auto-configuration with @SpringBootApplication Annotation
// It combines @Configuration + @ComponentScan + @EnableAutoConfiguration
@SpringBootApplication
public class FooApplication {
  public static void main(String[] args) {
    // Bootstrap the application
    SpringApplication.run(FooApplication.class, args);
  }
}

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Concurrency in Swift: One approach

Author: Chris Lattner

Contents

• Introduction
• Overall Vision
• Part 1: Async/await: Beautiful asynchronous APIs
• Part 2: Actors: Eliminating shared mutable state

kejsiStruga

// start with at string
var s = "my string";

//change its value (remember this changing of value is by value not reference)
s.toUpperCase();

// assign it to t
var t = s;

kejsiStruga

// start with at string
var s = "my string";

//change its value (remember this changing of value is by value not reference)
s.toUpperCase();

// assign it to t
var t = s;