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The Self-Taught Computer Scientist de Cory Althoff

The Self-Taught Computer Scientist

Autor Cory Althoff
en Limba Engleză Paperback – 19 oct 2021

Structura progresivă: de la concept la implementare transformă The Self-Taught Computer Scientist într-un instrument de lucru esențial pentru cei care au învățat programare în afara mediului academic. Putem afirma că Cory Althoff a reușit să distileze complexitatea informaticii teoretice în elemente imediat aplicabile. Volumul debutează cu analiza algoritmilor, explicând riguros complexitatea timp (de la Constant la Exponential Time) și spațiu, oferind cititorului vocabularul tehnic necesar pentru a evalua performanța codului scris. Considerăm că forța acestui text rezidă în abordarea practică a structurilor de date. Cuprinsul reflectă o evoluție logică: după stăpânirea recursivității, cititorul trece prin algoritmi de căutare (Linear, Binary) și sortare (Bubble, Insertion, Merge Sort), culminând cu algoritmi dedicați șirurilor de caractere și concepte matematice fundamentale precum sistemul binar și operatorii bitwise. Complementar lui Data Structures & Algorithms in Python, volumul acoperă zona de pregătire psihologică și strategică pentru interviurile tehnice, oferind bucle de feedback și provocări care ancorează teoria în realitatea profesională, în timp ce titlul menționat se concentrează mai strict pe performanța codului Python. Față de Introduction to Algorithms & Data Structures 1, care prezintă conceptele ca instrumente de optimizare generală, The Self-Taught Computer Scientist este mult mai orientat către carieră, fiind scris din perspectiva unui inginer software care s-a confruntat direct cu lacunele teoretice în industria tech. Tonul este pragmatic, evitând demonstrațiile matematice excesive în favoarea înțelegerii mecanismelor care fac un sistem să funcționeze eficient.

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Specificații

ISBN-13: 9781119724414
ISBN-10: 1119724414
Pagini: 224
Dimensiuni: 183 x 232 x 13 mm
Greutate: 0.39 kg
Ediția:1
Editura: Wiley
Locul publicării:Hoboken, United States

De ce să citești această carte

Recomandăm această carte programatorilor autodidacți care doresc să treacă de la scrierea de cod funcțional la înțelegerea profundă a eficienței sistemelor. The Self-Taught Computer Scientist oferă rigoarea unei facultăți de profil într-un format accesibil, fiind un ghid excelent pentru pregătirea interviurilor la companii de top. Veți câștiga încredere în discuțiile tehnice și capacitatea de a alege întotdeauna structura de date optimă pentru proiectele dumneavoastră.

Cuprins

Introduction xiv I Introduction to Algorithms 1 1 What is an Algorithm? 3 Analyzing Algorithms 4 Constant Time 8 Logarithmic Time 9 Linear Time 10 Log-Linear Time 11 Quadratic Time 11 Cubic Time 13 Exponential Time 14 Best-Case vs. Worst-Case Complexity 15 Space Complexity 15 Why is This Important? 16 Vocabulary 17 Challenge 18 2 Recursion 19 When to Use Recursion 23 Vocabulary 23 Challenge 23 3 Search Algorithms 25 Linear Search 25 When to Use a Linear Search 27 Binary Search 27 When to Use a Binary Search 30 Searching for Characters 32 Vocabulary 34 Challenge 35 4 Sorting Algorithms 37 Bubble Sort 37 When to Use Bubble Sort 41 Insertion Sort 42 When to Use Insertion Sort 45 Merge Sort 45 When to Use Merge Sort 52 Sorting Algorithms in Python 53 Vocabulary 54 Challenge 54 5 String Algorithms 55 Anagram Detection 55 Palindrome Detection 56 Last Digit 57 Caesar Cipher 58 Vocabulary 61 Challenge 61 6 Math 63 Binary 63 Bitwise Operators 66 FizzBuzz 70 Greatest Common Factor 72 Euclid's Algorithm 74 Primes 75 Vocabulary 77 Challenge 78 7 Self-Taught Inspiration: Margaret Hamilton 79 II Data Structures 81 8 What is a Data Structure? 83 Vocabulary 85 Challenge 86 9 Arrays 87 Array Performance 88 Creating an Array 90 Moving Zeros 91 Combining Two Lists 94 Finding the Duplicates in a List 95 Finding the Intersection of Two Lists 98 Vocabulary 99 Challenge 100 10 Linked Lists 101 Linked List Performance 103 Create a Linked List 104 Search a Linked List 107 Removing a Node from a Linked List 108 Reverse a Linked List 109 Finding a Linked List Cycle 110 Vocabulary 111 Challenges 112 11 Stacks 113 When to Use Stacks 114 Creating a Stack 115 Using Stacks to Reverse Strings 119 Min Stack 120 Stacked Parentheses 123 Vocabulary 125 Challenges 125 12 Queues 127 When to Use Queues 128 Creating a Queue 129 Python's Built-In Queue Class 134 Create a Queue Using Two Stacks 134 Vocabulary 136 Challenge 136 13 Hash Tables 137 When to Use Hash Tables 140 Characters in a String 141 Two Sum 143 Vocabulary 144 Challenge 145 14 Binary Trees 147 When to Use Trees 150 Creating a Binary Tree 153 Breadth-First Tree Traversal 155 More Tree Traversals 157 Invert a Binary Tree 160 Vocabulary 162 Challenges 162 15 Binary Heaps 163 When to Use Heaps 167 Creating a Heap 167 Connecting Ropes with Minimal Cost 169 Vocabulary 171 Challenge 171 16 Graphs 173 When to Use Graphs 177 Creating a Graph 178 Dijkstra's Algorithm 180 Vocabulary 186 Challenge 187 17 Self-Taught Inspiration: Elon Musk 189 18 Next Steps 191 What's Next? 191 Climbing the Freelance Ladder 192 How to Get an Interview 192 How to Prepare for a Technical Interview 193 Additional Resources 194 Final Thoughts 194 Index 195

Descriere

The follow-up to Cory Althoff's bestselling The Self-Taught Programmer, which inspired hundreds of thousands of professionals to learn to program outside of school! Fresh out of college and with just a year of self-study behind him, Cory Althoff was offered a dream first job as a software engineer for a well-known tech company, but he quickly found himself overwhelmed by the amount of things he needed to know, but hadn’t learned yet. This experience combined with his personal journey learning to program inspired his widely praised guide, The Self-Taught Programmer. Now Cory's back with another guide for the self-taught community of learners focusing on the foundations of computer science. The Self-Taught Computer Scientist introduces beginner and self-taught programmers to computer science fundamentals that are essential for success in programming and software engineering fields. Computer science is a massive subject that could cover an entire lifetime of learning. This book does not aim to cover everything you would learn about if you went to school to get a computer science degree. Instead, Cory's goal is to give you an introduction to some of the most important concepts in computer science that apply to a programming career. With a focus on data structures and algorithms, The Self-Taught Computer Scientist helps you fill gaps in your knowledge, prepare for a technical interview, feel knowledgeable and confident on the job, and ultimately, become a better programmer. Learn different algorithms including linear and binary search and test your knowledge with feedback loops Understand what a data structure is and study arrays, linked lists, stacks, queues, hash tables, binary trees, binary heaps, and graphs Prepare for technical interviews and feel comfortable working with more experienced colleagues Discover additional resources and tools to expand your skillset and continue your learning journey It's as simple as this: You have to study computer science if you want to become a successful programmer, and if you don't understand computer science, you won't get hired. Ready for a career in programming, coding, or software engineering and willing to embrace an "always be learning" mindset? The Self-Taught Computer Scientist is for you.