Compiled Learning Objectives

Programming language concepts Prep

• Define the term variable.
• Describe how a variable relates to a memory location.
• Give 3 examples of common operators.
• Define the && (and), || (or), and ! (not) operators.
• Explain what happens when you call a function.

Bitwise operators Prep

• Describe the meaning of the &, |, ^, and ~ bitwise operators.
• Manually perform the function of the &, |, ^, and ~ bitwise operators on two integers.

Comparing programming languages Prep

• Identify whether variables have fixed types in C, Python, and JavaScript.
• Identify and explain the differences between a function definition in C and Python.
• Compare compiled and interpreted languages.
• Explain one advantage of compiled languages, and one advantage of interpreted languages.

Shell pipelines Prep

• Describe what a shell pipeline is.
• Explain why we use shell pipelines.
• Explain the difference between stdout and stderr.
• Explain what gets passed between two programs when they’re combined with a |.

grep in pipelines Prep

• List the files in a directory which contain an upper-case letter in their name with ls and grep.
• Count the number of files in a directory which contain an upper-case letter in their name with ls, grep, and wc.
• Explain why we don’t need to pass -1 to ls when piping its output.

sort and uniq Prep

• Count the occurrences of different lines within a file using sort and uniq.

head and tail Prep

• Output the first 5 lines of a file using head.
• Output the last 5 lines of a file using tail.
• Output the five lines starting 10 lines into a file using head and tail.

tr Prep

• Replace all occurrences of one character with another using tr.

jq Prep

• Use jq to retrieve information from a JSON file

Discussion: programming language concepts Day Plan

• Define the term variable.
• Explain the purpose of main memory.
• Describe how a variable relates to a memory location.
• Describe how a string is laid out in memory.
• Explain what happens when you call a function.
• Define the term class.
• Explain the relationship between a class and an instance of a class.
• Explain why computers have secondary storage.