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Challenge 15: What is the expected output for this code snippet?
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2
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752
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May 5, 2022
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What is the purpose of the `Fail` class in `org.assertj.core.api`?
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3
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14
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November 4, 2025
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How can I extract a 5-digit substring from a filename using Bash?
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3
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21
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August 2, 2025
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How can I use a regex OR condition to match multiple optional parts in a string, like "part1", "part2", or both?
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3
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43
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August 2, 2025
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How can I accurately measure how long a function takes to run in Python?
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3
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40
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July 16, 2025
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How to add Python to PATH on Windows when traditional methods don’t seem to work?
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2
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73
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July 11, 2025
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Why do I get a "No such file or directory" error when trying to run an executable that clearly exists?
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3
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46
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July 11, 2025
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How to update R using RStudio on Windows or macOS?
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3
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3485
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July 11, 2025
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How can I use pandas create empty dataframe and fill it row by row for time series calculations?
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3
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239
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July 11, 2025
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What is the most efficient way to Python remove from list based on different scenarios?
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3
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55
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July 11, 2025
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How can I write data to a file when it may contain unknown encoding?
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3
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45
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July 10, 2025
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How do you write a basic bash for loop equivalent to a C-style for loop?
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3
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30
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July 6, 2025
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How do I use git create branch and switch between branches locally?
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2
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24
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July 4, 2025
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How do I use git remove file from commit to undo a file I accidentally added?
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2
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15
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July 4, 2025
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How do I use matplotlib set figure size to change the dimensions of a plot?
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3
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92
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July 4, 2025
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How to calculate square root safely in Python?
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3
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32
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July 4, 2025
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What is an instance method in Java?
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4
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43
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July 1, 2025
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Why does the IPython REPL show a "SyntaxError: unexpected EOF while parsing" error when running my code?
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3
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27
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June 13, 2025
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How do I escape quotes in JavaScript?
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2
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21
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June 1, 2025
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How can I loop through an array of objects in JavaScript and access their properties?
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3
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42
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May 30, 2025
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How can you use a JavaScript time function to measure how long a function takes to execute in milliseconds?
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3
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28
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May 26, 2025
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What is the difference between JavaScript’s `apply` and `call` methods?
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3
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31
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May 23, 2025
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Convert a Character to its ASCII Code in JavaScript
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3
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47
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May 21, 2025
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How exactly do you make 'dynamic' websites?
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3
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43
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May 19, 2025
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What VS Code extensions do you actually enjoy/use?
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3
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18
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May 19, 2025
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What is the difference between String.slice and String.substring?
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3
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48
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May 19, 2025
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How to round JavaScript value to 2 decimals?
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3
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32
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May 19, 2025
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
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3
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30
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May 18, 2025
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Why is null length returning 4?
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3
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21
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May 18, 2025
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What is the correct way to specify `javascript if multiple conditions`?
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3
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29
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May 4, 2025
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