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Tips for Student Programmers (#1)

Tips for Student Programmers (#1)

Copying Memory in C (memcpy, memset)

Copying Memory in C (memcpy, memset)

Problems with pointer arithmetic (C)

Problems with pointer arithmetic (C)

Better Portability with Standard Integers

Better Portability with Standard Integers

Understanding and Using Function Pointers in C

Understanding and Using Function Pointers in C

Learn GDB in 60 seconds

Learn GDB in 60 seconds

How to examine memory in GDB

How to examine memory in GDB

Automate repetitive debugging tasks using scripts in gdb

Automate repetitive debugging tasks using scripts in gdb

Allocating memory with malloc, calloc, realloc, and free

Allocating memory with malloc, calloc, realloc, and free

Experiment with your code, people!

Experiment with your code, people!

Finding memory errors with Valgrind

Finding memory errors with Valgrind

Learn make in 60 seconds.

Learn make in 60 seconds.

More make: automatic variables for smaller and easier to maintain makefiles

More make: automatic variables for smaller and easier to maintain makefiles

Produce better code faster through testing.

Produce better code faster through testing.

Find bugs faster using assertions.

Find bugs faster using assertions.

Smelly code and Magic Numbers

Smelly code and Magic Numbers

Code Smells: Duplicate Code (DRY)

Code Smells: Duplicate Code (DRY)

Smelly code and bad names

Smelly code and bad names

What languages should you learn?

What languages should you learn?

Code Smell #4: Comments

Code Smell #4: Comments

Smelly code and long functions

Smelly code and long functions

How to write C functions with variable argument lists.

How to write C functions with variable argument lists.

Tame binary headaches with a Hex Editor

Tame binary headaches with a Hex Editor

Keeping strcpy and memcpy straight when copying memory.

Keeping strcpy and memcpy straight when copying memory.

HalloWorld (Happy Halloween 2017)

HalloWorld (Happy Halloween 2017)

How to track down a seg fault in C

How to track down a seg fault in C

A common pitfall when using sizeof() with pointers in C.

A common pitfall when using sizeof() with pointers in C.

Making Peace with Double Pointers

Making Peace with Double Pointers

Understanding the Extern Keyword in C

Understanding the Extern Keyword in C

The Static Keyword in C

The Static Keyword in C

Creating new processes with fork()!

Creating new processes with fork()!

Understanding Zombie Processes!

Understanding Zombie Processes!

More C string parsing with strtok_r, strsep (and strdup)

More C string parsing with strtok_r, strsep (and strdup)

They're Just Bits! Types and Structuring Memory in C.

They're Just Bits! Types and Structuring Memory in C.

Compiling C programs with Multiple Files

Compiling C programs with Multiple Files

Spying on Running Programs (strace, ltrace, system calls vs function calls)

Spying on Running Programs (strace, ltrace, system calls vs function calls)

How processes get more memory. (mmap, brk)

How processes get more memory. (mmap, brk)

Sending and Handling Signals in C (kill, signal, sigaction)

Sending and Handling Signals in C (kill, signal, sigaction)

Reading and Writing Files in C, two ways (fopen vs. open)

Reading and Writing Files in C, two ways (fopen vs. open)

How to get a file's size in C? (stat, fstat, fileno)

How to get a file's size in C? (stat, fstat, fileno)

Simpler Paths in C with realpath()!

Simpler Paths in C with realpath()!

How to Map Files into Memory in C (mmap, memory mapped file io)

How to Map Files into Memory in C (mmap, memory mapped file io)

How to Time Your Code (time, clock, times, clock_gettime)

How to Time Your Code (time, clock, times, clock_gettime)

Should you ever use a goto?

Should you ever use a goto?

Struct packing: No, you're not going crazy.

Struct packing: No, you're not going crazy.

Simple Shared Memory in C (mmap)

Simple Shared Memory in C (mmap)

Handling Errors in C/Unix (perror, strerror, errno)

Handling Errors in C/Unix (perror, strerror, errno)

Program your own web server in C. (sockets)

Program your own web server in C. (sockets)

Socket servers can get client addresses. (accept, inet_ntop)

Socket servers can get client addresses. (accept, inet_ntop)

How to create and join threads in C (pthreads).

How to create and join threads in C (pthreads).

How to pass arguments to and get results from threads. (pthread_create, pthread_join)

How to pass arguments to and get results from threads. (pthread_create, pthread_join)

Debugging with Multiple Threads (gdb, pthreads)

Debugging with Multiple Threads (gdb, pthreads)

A Tour of C's Many Operators

A Tour of C's Many Operators

Dealing with Endianness Issues in your Programs

Dealing with Endianness Issues in your Programs

What if my open file gets deleted?

What if my open file gets deleted?

How to write your own code libraries in C.

How to write your own code libraries in C.

What are Environment Variables, and how do I use them? (get,set)

What are Environment Variables, and how do I use them? (get,set)

How to Load Libraries at Runtime

How to Load Libraries at Runtime

Checking your Return Values

Checking your Return Values

Header Issues: Guards, Name Mangling, and extern "C"

Header Issues: Guards, Name Mangling, and extern "C"

Reviewing your Code: Refactoring

Reviewing your Code: Refactoring

Debugging with Core Dumps

Debugging with Core Dumps

Can I Debug Release Code?

Can I Debug Release Code?

Debugging with Macros (-g3,-ggdb)

Debugging with Macros (-g3,-ggdb)

Strings in C

Reversing Strings (in C) and Divergent Thinking

Reversing Strings (in C) and Divergent Thinking

Getting Command-Line Arguments in C

Getting Command-Line Arguments in C

Strings can get you hacked! (buffer overflows, strcpy, and gets)

Strings can get you hacked! (buffer overflows, strcpy, and gets)

Understanding and implementing a Linked List in C and Java

Understanding and implementing a Linked List in C and Java

We moved to Africa! (and some thoughts about learning to program in C)

We moved to Africa! (and some thoughts about learning to program in C)

How arguments are passed to functions in C (and most other languages).

How arguments are passed to functions in C (and most other languages).

Doubly Linked List (in C)

Doubly Linked List (in C)

How to write a multithreaded server in C (threads, sockets)

How to write a multithreaded server in C (threads, sockets)

Multithreaded Server Part 2: Thread Pools

Multithreaded Server Part 2: Thread Pools

How to write a multithreaded webserver using condition variables (Part 3)

How to write a multithreaded webserver using condition variables (Part 3)

How to use the volatile keyword in C?

How to use the volatile keyword in C?

Code Review #2: Generalizing and D.R.Y.ing things up.

Code Review #2: Generalizing and D.R.Y.ing things up.

How to Blink an LED in C (avr, msp430)

How to Blink an LED in C (avr, msp430)

Is the modulus operator (%) useful?

Is the modulus operator (%) useful?

Understanding and implementing a Hash Table (in C)

Understanding and implementing a Hash Table (in C)

How to Blink LEDs with Timers and Interrupts in C (MSP430, Arduino)

How to Blink LEDs with Timers and Interrupts in C (MSP430, Arduino)

How one thread listens to many sockets with select in C.

How one thread listens to many sockets with select in C.

Bit Fields in C. What are they, and how do I use them?

Bit Fields in C. What are they, and how do I use them?

What are Bit Masks, and how do I use them? (examples in C)

What are Bit Masks, and how do I use them? (examples in C)

How to write your own COVID-19 simulator (C++).

How to write your own COVID-19 simulator (C++).

How to measure memory usage inside my program? (getrusage)

How to measure memory usage inside my program? (getrusage)

Should you avoid linked lists? (linked list vs arrays)

Should you avoid linked lists? (linked list vs arrays)

How to wire-up and program a button. (digital inputs, microcontrollers)

How to wire-up and program a button. (digital inputs, microcontrollers)

Why do programmers use hexadecimal numbers?

Why do programmers use hexadecimal numbers?

How to profile your own function calls in C? (instrument your code!)

How to Implement a Stack in C (+ encapsulation)

How to Implement a Stack in C (+ encapsulation)

How to Implement a Queue in C

How to Implement a Queue in C

How to Set up Shared Memory in Your Linux and MacOS Programs. (shmget, shmat, shmdt, shmctl, ftok)

How to Set up Shared Memory in Your Linux and MacOS Programs. (shmget, shmat, shmdt, shmctl, ftok)

Why that "Perfect" Makefile Doesn't Work.

Why that "Perfect" Makefile Doesn't Work.

Using the Smallest C Program to Better Understand Your System (with pmap, vmmap, and strace).

Using the Smallest C Program to Better Understand Your System (with pmap, vmmap, and strace).

The Inline Keyword in C.

The Inline Keyword in C.

What is a semaphore? How do they work? (Example in C)

What is a semaphore? How do they work? (Example in C)

ASCII Art, Curses, and my New 25K Play Button

ASCII Art, Curses, and my New 25K Play Button

How to Automatically Remove Dead Code?

How to Automatically Remove Dead Code?

How to use an ADC (embedded example in C)

How to use an ADC (embedded example in C)