Code Review Badge

31 Completed
81 Videos
107 Exercises

Code Review Videos

Snippet Review Exercises

Easy image for Golang Snippet #01

Golang Snippet #01

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 748 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #02

Golang Snippet #02

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 637 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #03

Golang Snippet #03

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 526 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #04

Golang Snippet #04

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 594 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #05

Golang Snippet #05

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 553 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #06

Golang Snippet #06

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 476 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #07

Golang Snippet #07

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 499 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #08

Golang Snippet #08

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 466 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #09

Golang Snippet #09

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 443 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #10

Golang Snippet #10

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 477 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #11

Golang Snippet #11

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 470 students
  • Takes < 1 Hr. on average

 

Easy image for Golang Snippet #12

Golang Snippet #12

  • This challenge covers the review of a snippet of code written in Golang
  • 1 video
  • Completed by 418 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #01

PHP Snippet #01

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 1310 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #02

PHP Snippet #02

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 1104 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #03

PHP Snippet #03

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 909 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #04

PHP Snippet #04

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 871 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #05

PHP Snippet #05

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 801 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #06

PHP Snippet #06

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 857 students
  • Takes < 1 Hr. on average

 

Easy image for PHP Snippet #07

PHP Snippet #07

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 734 students
  • Takes < 1 Hr. on average

 

Hard image for PHP Snippet #08

PHP Snippet #08

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 625 students
  • Takes < 1 Hr. on average

 

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PHP Snippet #09

  • This challenge covers the review of a snippet of code written in PHP
  • 1 video
  • Completed by 623 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #01

Ruby Snippet #01

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 356 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #02

Ruby Snippet #02

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 361 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #03

Ruby Snippet #03

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 381 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #04

Ruby Snippet #04

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 349 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #05

Ruby Snippet #05

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 381 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #06

Ruby Snippet #06

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 369 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #07

Ruby Snippet #07

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 304 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #08

Ruby Snippet #08

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 335 students
  • Takes < 1 Hr. on average

 

Easy image for Ruby Snippet #09

Ruby Snippet #09

  • This challenge covers the review of a snippet of code written in Ruby
  • 1 video
  • Completed by 306 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #01

Javascript Snippet #01

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 1083 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #02

Javascript Snippet #02

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 848 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #03

Javascript Snippet #03

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 863 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #04

Javascript Snippet #04

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 799 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #05

Javascript Snippet #05

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 816 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #06

Javascript Snippet #06

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 753 students
  • Takes < 1 Hr. on average

 

Easy image for Javascript Snippet #07

Javascript Snippet #07

  • This challenge covers the review of a snippet of code written in JavaScript
  • 1 video
  • Completed by 754 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #01

TypeScript Snippet #01

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 611 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #02

TypeScript Snippet #02

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 561 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #03

TypeScript Snippet #03

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 537 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #04

TypeScript Snippet #04

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 457 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #05

TypeScript Snippet #05

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 482 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #06

TypeScript Snippet #06

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 401 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #07

TypeScript Snippet #07

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 361 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #08

TypeScript Snippet #08

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 413 students
  • Takes < 1 Hr. on average

 

Easy image for TypeScript Snippet #09

TypeScript Snippet #09

  • This challenge covers the review of a snippet of code written in TypeScript
  • 1 video
  • Completed by 438 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #01

Java Snippet #01

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 845 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #02

Java Snippet #02

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 774 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #03

Java Snippet #03

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 714 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #04

Java Snippet #04

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 674 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #05

Java Snippet #05

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 604 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #06

Java Snippet #06

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 543 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #07

Java Snippet #07

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 868 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #08

Java Snippet #08

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 764 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #09

Java Snippet #09

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 579 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #10

Java Snippet #10

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 591 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #11

Java Snippet #11

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 574 students
  • Takes < 1 Hr. on average

 

Easy image for Java Snippet #12

Java Snippet #12

  • This challenge covers the review of a snippet of code written in Java
  • 1 video
  • Completed by 546 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #01

Python Snippet #01

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 1044 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #02

Python Snippet #02

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 848 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #03

Python Snippet #03

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 740 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #04

Python Snippet #04

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 687 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #05

Python Snippet #05

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 722 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #06

Python Snippet #06

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 830 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #07

Python Snippet #07

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 736 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #08

Python Snippet #08

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 643 students
  • Takes < 1 Hr. on average

 

Easy image for Python Snippet #09

Python Snippet #09

  • This challenge covers the review of a snippet of code written in Python
  • 1 video
  • Completed by 712 students
  • Takes < 1 Hr. on average

 

Patch Review Exercises

Easy image for CVE-2021-4379x

CVE-2021-4379x

  • This challenge covers the review of a CVE and its patch
  • Completed by 337 students
  • Takes < 1 Hr. on average
  • Golang

 

Easy image for CVE-2021-45xx9

CVE-2021-45xx9

  • This challenge covers a vulnerable snippet in a real Python application
  • Completed by 320 students
  • Takes < 1 Hr. on average
  • Python

 

Easy image for CVE-2021-4xx50

CVE-2021-4xx50

  • This challenge covers the review of a CVE and its patch
  • Completed by 421 students
  • Takes < 1 Hr. on average
  • Golang

 

Easy image for CVE-2022-3x7x1

CVE-2022-3x7x1

  • This challenge covers the review of a CVE and its patch
  • Completed by 323 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2008-1x3x

CVE-2008-1x3x

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 335 students
  • Takes < 1 Hr. on average
  • PHP

 

Easy image for CVE-2008-4x9x

CVE-2008-4x9x

  • This challenge covers the review of a CVE and its patch
  • Completed by 223 students
  • Takes < 1 Hr. on average
  • PHP

 

Easy image for CVE-2008-5x8x

CVE-2008-5x8x

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 251 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2009-3x8x

CVE-2009-3x8x

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 247 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2020-17xx7

CVE-2020-17xx7

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 396 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2020-9x9x

CVE-2020-9x9x

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 319 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2006-4xxx

CVE-2006-4xxx

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 306 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2006-4xxx_ii

CVE-2006-4xxx_ii

  • This challenge covers the review of a CVE and its patch
  • Completed by 216 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2020-11xxx

CVE-2020-11xxx

  • This challenge covers the review of a CVE and its patch
  • Completed by 300 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2020-17xx8

CVE-2020-17xx8

  • This challenge covers the review of a CVE and its patch
  • Completed by 281 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2021-37xxx

CVE-2021-37xxx

  • This challenge covers the review of a CVE and its patch
  • Completed by 255 students
  • Takes < 1 Hr. on average
  • Python

 

Easy image for CVE-2021-39x3x

CVE-2021-39x3x

  • This challenge covers the review of a CVE and its patch
  • Completed by 196 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2008-5x8x_ii

CVE-2008-5x8x_ii

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 196 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2019-5x2x

CVE-2019-5x2x

  • This challenge covers the review of a CVE and its patch
  • 1 video
  • Completed by 182 students
  • Takes < 1 Hr. on average
  • Ruby

 

Easy image for CVE-2020-13xxx

CVE-2020-13xxx

  • This challenge covers the review of a CVE and its patch
  • Completed by 211 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for CVE-2021-381xx

CVE-2021-381xx

  • This challenge covers the review of a CVE and its patch
  • Completed by 235 students
  • Takes < 1 Hr. on average
  • Java

 

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CVE-2022-26xx9

  • This challenge covers a vulnerable snippet in a real Java application
  • Completed by 188 students
  • Takes < 1 Hr. on average
  • Java

 

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CVE-2005-2x8x

  • This challenge covers the review of a CVE and its patch
  • Completed by 204 students
  • Takes < 1 Hr. on average
  • PHP

 

Code Review Exercises

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Code Review 01

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 401 students
  • Takes 1-2 Hrs. on average
  • JavaScript

 

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Code Review 02

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 249 students
  • Takes 1-2 Hrs. on average
  • Python

 

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Code Review 03

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 118 students
  • Takes 2-4 Hrs. on average
  • JavaScript

 

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Code Review 04

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 204 students
  • Takes 1-2 Hrs. on average
  • JavaScript

 

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Code Review 05

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 101 students
  • Takes 2-4 Hrs. on average
  • JavaScript

 

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Code Review 06

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 66 students
  • Takes 2-4 Hrs. on average
  • Golang

 

Hard image for Code Review 07

Code Review 07

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 129 students
  • Takes 1-2 Hrs. on average
  • Golang

 

Easy image for Code Review 08

Code Review 08

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 138 students
  • Takes 1-2 Hrs. on average
  • Golang

 

Hard image for Code Review 09

Code Review 09

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 103 students
  • Takes 1-2 Hrs. on average
  • Golang

 

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Code Review 10

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 142 students
  • Takes < 1 Hr. on average
  • Golang

 

Hard image for Code Review 11

Code Review 11

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 58 students
  • Takes 2-4 Hrs. on average
  • C#/.Net

 

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Code Review 12

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 200 students
  • Takes < 1 Hr. on average
  • Java

 

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Code Review 13

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 90 students
  • Takes 2-4 Hrs. on average
  • Java

 

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Code Review 14

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 164 students
  • Takes < 1 Hr. on average
  • Java

 

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Code Review 15

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 146 students
  • Takes < 1 Hr. on average
  • Java

 

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Code Review 16

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 146 students
  • Takes < 1 Hr. on average
  • Java

 

Easy image for Code Review 17

Code Review 17

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 74 students
  • Takes 1-2 Hrs. on average
  • .Net

 

Easy image for Code Review 18

Code Review 18

  • This exercise is one of our challenges to help you learn how to review real source code
  • Completed by 58 students
  • Takes 1-2 Hrs. on average
  • Java