Paul J. Lucas

C++ Jedi Master

San Francisco Bay Area Joined on Jan 21, 2017 paul@lucasmail.org https://www.linkedin.com/in/pauljaylucas/

Education

M.S., University of Illinois at Urbana-Champaign

Work

Retired Principal Software Engineer

Pinned

Paul J. Lucas

Jun 28 '23

Undefined Behavior in C and C++

#c #cpp

8 min read

Paul J. Lucas

Jun 25 '22

Go-tcha: Shallow Polymorphism

#go #pitfall

5 min read

Paul J. Lucas

Jun 20 '22

The Curious Case of the Disappearing “if”

#c #cpp #debugging

6 min read

Paul J. Lucas

Jan 14 '22

Obscure C99 Array Features

8 min read

Paul J. Lucas

May 28 '18

Go-tcha: When nil != nil

#go #pitfall

7 min read

Paul J. Lucas

Sep 13

Choosing an Appropriate Integer Type in C and C++

#c #cpp

3 min read

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Paul J. Lucas

Sep 10

The Obscure “restrict” Keyword in C

4 min read

Paul J. Lucas

Sep 9

Inline Functions in C and C++

#c #cpp

5 min read

Paul J. Lucas

Sep 5

Switch Statement Oddities

#c #cpp

5 min read

Paul J. Lucas

Aug 31

Proper Header File Etiquette

#c #cpp

7 min read

Paul J. Lucas

Aug 18

C++ Interview Questions

#cpp #interview

7 min read

Paul J. Lucas

Aug 15

C Interview Questions

#c #cpp #interview

4 min read

Paul J. Lucas

Aug 8

A Generic SWAP() Macro in C

3 min read

Paul J. Lucas

Aug 1

Waiting for... a Debugger

#c #cpp #debugging

3 min read

Paul J. Lucas

Jul 26

Everything You Ever Wanted to Know about Sundials

#astronomy #c #sundial #trigonometry

17 min read

Paul J. Lucas

Jul 10

Casting to the Same-Sized Unsigned Type

3 min read

Paul J. Lucas

May 7

Variadic Functions in C++

#cpp

6 min read

Paul J. Lucas

Apr 27

Variadic Functions in C

6 min read

Paul J. Lucas

Apr 9

Custom C++ Stream Manipulators

#cpp

4 min read

Paul J. Lucas

Mar 13

Declaring Multiple Variables in a “for” Loop Initialization Clause

#c #cpp

3 min read

Paul J. Lucas

Feb 11

DIY Home Security Camera System

#homesecurity #security #diy

113

8 min read

Paul J. Lucas

Feb 9

Compound Literals in C

5 min read

Paul J. Lucas

Feb 6

Software Career Advice

#career #programming #software #advice

134

6 min read

Paul J. Lucas

Feb 4

Unions & std::variant in C++

#cpp

9 min read

Paul J. Lucas

Feb 1

Career Retrospective

#programming #career #retrospective #retirement

102

15 min read

Paul J. Lucas

Jan 30

C Const Conundrum

5 min read

Paul J. Lucas

Jan 28

Using assert() for Less Buggy Code

#c #cpp

7 min read

Paul J. Lucas

Jan 23

typeof in C23

3 min read

Paul J. Lucas

Jan 18

auto in C23

6 min read

Paul J. Lucas

Jan 16

_Generic in C

14 min read

Paul J. Lucas

Jan 13

Unions in C

7 min read

Paul J. Lucas

Jan 5

An Updated Cdecl — with Macro Expansion

#c #cpp

3 min read

Paul J. Lucas

Jan 2

Handy C/C++ Preprocessor Macros

#c #cpp

6 min read

Paul J. Lucas

Dec 31 '23

C/C++ Preprocessor Macros

#c #cpp

12 min read

Paul J. Lucas

Oct 22 '23

Enumerations in C++

#cpp

4 min read

Paul J. Lucas

Oct 19 '23

setjmp(), longjmp(), and Exception Handling in C

10 min read

Paul J. Lucas

Oct 17 '23

Enumerations in C

10 min read

Paul J. Lucas

Aug 30 '23

C++ Const Conundrum

#cpp

8 min read

Paul J. Lucas

Jul 20 '23

Dynamically Allocating 2D Arrays in C++

#cpp

4 min read

Paul J. Lucas

Jul 13 '23

Advanced Thread Safety in C++

#cpp

19 min read

Paul J. Lucas

Jul 4 '23

Singletons in C++

#cpp

10 min read

Paul J. Lucas

Jun 26 '23

C++ References

#cpp

12 min read

Paul J. Lucas

Jun 17 '23

Dynamically Allocating 2D Arrays Efficiently (and Correctly!) in C

6 min read

Paul J. Lucas

May 24 '23

Implementing “finally” in C++

#cpp

4 min read

Paul J. Lucas

May 9 '23

Good CLI Design & Implementation

#c #cpp

11 min read

Paul J. Lucas

Apr 27 '23

Musings on C & C++ Declarations

#c #cpp

7 min read

Paul J. Lucas

Apr 5 '23

Bit Constant Macros in C

#c #cpp

1 min read

Paul J. Lucas

Oct 16 '22

C++ New Style Casts in C (sort of)

5 min read

Paul J. Lucas

Sep 25 '22

Bit Testing Functions in C

#c #cpp

2 min read

Paul J. Lucas

Dec 12 '21

Why many Unix structs have Prefixes

#c #unix

2 min read

Paul J. Lucas

Dec 8 '21

Function Types in C (and C++)

#c #cpp

1 min read

Paul J. Lucas

Sep 9 '21

What “volatile” does in C (and C++)

#c #cpp

4 min read

Paul J. Lucas

Nov 2 '20

LLDB Custom Data Formatters for C in Python

#lldb #c #python #debugging

4 min read

Paul J. Lucas

Aug 31 '18

Detecting Deletion

#callbacks #cpp #destructors

3 min read

Paul J. Lucas

Aug 5 '18

Go-tcha: When assigning via pointer changes your type

#go #pitfall

5 min read

Paul J. Lucas

May 2 '17

Getting the Terminal Width in C

#c #terminal #tty #unix

3 min read

Paul J. Lucas

Apr 23 '17

The All-New Cdecl 3.0

#c #cpp

6 min read