Examifyr Study Guides

Exam study guides for every subject

Topic-by-topic guides with code examples and exam tips — for Python, JavaScript, SQL, React, TypeScript, AWS, Cybersecurity, HTML & CSS, and Data Science. Free, no sign-up required.

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Python

9 topics

Nine topic guides covering everything tested on Python exams and technical interviews.

Functions ExplainedListsDictionaries Explained+6 more
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⚡

JavaScript

8 topics

Eight topic guides covering everything tested on JavaScript interviews and exams.

var vs let vs constFunctionsArray Methods+5 more
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🗄️

SQL

8 topics

Eight topic guides covering everything tested on SQL exams and data interviews.

SELECT ExplainedJOINs ExplainedGROUP BY & Aggregates+5 more
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HTML & CSS

6 topics

Seven topic guides covering everything tested on front-end interviews and CSS exams.

HTML Semantic Elements ExplainedCSS Selectors ExplainedCSS Box Model Explained+3 more
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React

7 topics

Eight topic guides covering everything tested on React interviews and front-end exams.

Components & Props ExplaineduseState HookuseEffect Explained+4 more
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TypeScript

6 topics

Seven topic guides covering everything tested on TypeScript interviews and exams.

Types vs InterfacesType Inference ExplainedUnion & Intersection Types+3 more
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☁️

AWS

6 topics

Seven topic guides covering everything tested on AWS certification exams.

EC2 ExplainedS3 ExplainedIAM Explained+3 more
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🔐

Cybersecurity

6 topics

Seven topic guides covering everything tested on security certifications and interviews.

Common Web Attacks ExplainedAuthentication & AuthorisationEncryption Explained+3 more
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Data Science

6 topics

Seven topic guides covering everything tested on data science interviews and exams.

NumPy ExplainedPandas ExplainedStatistics for Data Science+3 more
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