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Basic list template with button at the bottom

Screenshot:

Code:

HTML:

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<div class="col-12">
  <h1>Header</h1>
</div>

<div class="col-3">
  <ul>
    <li>Menu 1</li>
    <li>Menu 2</li>
    <li>Menu 3</li>
    <li>Menu 4</li>

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/**
 * Sample class file for above unit tests
 */
public class QueryBoard {
    int[] nums;
    
    QueryBoard() {
      nums = new int[10];
    }
    

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Structural Patterns

Table of Contents

• 1). Proxy Pattern
  • 1.1). When to use this pattern ?
  • 1.2). How it works in Java ?
  • 1.3). Usage scenarios
• 2). Decorator Pattern
  • 2.1). Example

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Script:

# Read table data from csv file
data <- read.table("data.csv", header=T, sep=",")

# Start PDF device driver to save output to skills.pdf
pdf(file="skills.pdf", height=3.5, width=5)

# Draw bar chart

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Tech Interview Cheat Sheet

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. Originally forked from Tristan Siegel's Gist.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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public static void ConvertSec2DaysHoursMinsSecs(int timeDiff) {
  int days = (int) Math.floor(timeDiff / 86400);
  int hour = (int) Math.floor((timeDiff % 86400) / 3600);
  int min  = (int) Math.floor((timeDiff % 3600) / 60);
  int sec  = (int) (timeDiff % 60);
  
  System.out.println("(" + days + " " + hour + " " + min + " " + sec + ")");
}

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• A testcase is created by subclassing unittest.TestCase.
• Individual tests are defined with methods whose names start with the letters "test". This naming convention informs the test runner about which methods represent tests.
• Following is a typical example of unit test:

# PythonUnitTest.py

import unittest

class Sort(unittest.TestCase):
    def setUp(self):

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/*  Find if given array has duplicate elements (more than 1 occurence)
    Time Constraint: O(N)
    Author: Jayesh CP
*/

import java.util.*;
import java.lang.*;
import java.io.*;

public class FindDuplicates

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import java.util.regex.*;

public class RegexDemo {
  public static final String SAMPLE_STRING = "Perfection is not attainable, but if we chase perfection we can catch excellence";

  public static void main(String[] args) {
    //pattern to compare \\b matches word boundaries, so 
    //the below pattern only matches we
    String searchStr = "we";
    Pattern pattern = Pattern.compile("\\b" + searchStr + "\\b");