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@holly_cummins
#RedHat
senior principal software engineer
helping to build Quarkus
hi!
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@holly_cummins #RedHat
Caused by: java.io.IOException: Invalid Magic
at org.jboss.jandex.Indexer.verifyMagic(Indexer.java:2090)
at org.jboss.jandex.Indexer.indexWithSummary(Indexer.java:2479)
at org.jboss.jandex.Indexer.index(Indexer.java:2452
true story
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@holly_cummins #RedHat
Caused by: java.io.IOException: Invalid Magic
at org.jboss.jandex.Indexer.verifyMagic(Indexer.java:2090)
at org.jboss.jandex.Indexer.indexWithSummary(Indexer.java:2479)
at org.jboss.jandex.Indexer.index(Indexer.java:2452
true story
Invalid Magic?!
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@holly_cummins #RedHat
we didn’t always have magic
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@holly_cummins #RedHat
punched cards
1804 - 1960s
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@holly_cummins #RedHat
https://github.com/chrislgarry/Apollo-11/blob/master/Comanche055/IMU_COMPENSATION_PACKAGE.agc
1969
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@holly_cummins #RedHat
TCF 1/PIPA1 +1
NOOP # LESS THAN ZERO IMPOSSIBLE.
RELINT
# Page 299
IRIGCOMP TS GCOMPSW # INDICATE COMMANDS 2 PULSES OR LESS.
TS BUF # INDEX COUNTER - IRIGX, IRIGY, IRIGZ.
IRIGX EXTEND
DCS DELVX # (PIPA PULSES) X 2(+14)
DXCH MPAC
CA ADIAX # (GYRO PULSES)/(PIPA PULSE) X 2(-3) *
TC GCOMPSUB # -(ADIAX)(PIPAX) (GYRO PULSES) X 2(+14)
EXTEND #
DCS DELVY # (PIPA PULSES) X 2(+14)
DXCH MPAC #
CS ADSRAX # (GYRO PULSES)/(PIPA PULSE) X 2(-3) *
TC GCOMPSUB # +(ADSRAX)(PIPAY) (GYRO PULSES) X 2(+14)
# EXTEND # ***
# DCS DELVY # *** (PIPA PULSES) X 2(+14)
# DXCH MPAC # ***
# CA ADOAX # *** (GYRO PULSES)/(PIPA PULSE) X 2(-3) *
# TC GCOMPSUB # *** -(ADOAX)(PIPAZ) (GYRO PULSES) X 2(+14)
CS NBDX # (GYRO PULSES)/(CS) X 2(-5)
TC DRIFTSUB # -(NBDX)(DELTAT) (GYRO PULSES) X 2(+14)
IRIGY EXTEND
DCS DELVY # (PIPA PULSES) X 2(+14)
DXCH MPAC
CA ADIAY # (GYRO PULSES)/(PIPA PULSE) X 2(-3) *
TC GCOMPSUB # -(ADIAY)(PIPAY) (GYRO PULSES) X 2(+14)
EXTEND
DCS DELVZ # (PIPA PULSES) X 2(+14)
DXCH MPAC
CS ADSRAY # (GYRO PULSES)/(PIPA PULSE) X 2(-3) *
TC GCOMPSUB # +(ADSRAY)(PIPAZ) (GYRO PULSES) X 2(+14)
# EXTEND # ***
# DCS DELVX # *** (PIPA PULSES) X 2(+14)
# DXCH MPAC # ***
https://github.com/chrislgarry/Apollo-11/blob/master/Comanche055/IMU_COMPENSATION_PACKAGE.agc
1969
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@holly_cummins #RedHat
1974
image courtesy of Smithsonian Institute, https://americanhistory.si.edu/collections/search/object/nmah_334396
altair 8800
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@holly_cummins #RedHat
1974
image courtesy of Smithsonian Institute, https://americanhistory.si.edu/collections/search/object/nmah_334396
altair 8800
switches for input
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@holly_cummins #RedHat
1974
image courtesy of Smithsonian Institute, https://americanhistory.si.edu/collections/search/object/nmah_334396
altair 8800
light bulbs for output
switches for input
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@holly_cummins #RedHat
java
1995
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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@holly_cummins #RedHat
large language models + prompt engineering
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our modern stack
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application
our modern stack
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transistor networks
application
our modern stack
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transistor networks
application
machine codes
our modern stack
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transistor networks
application
assembler
machine codes
our modern stack
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transistor networks
application
high-level language
assembler
machine codes
our modern stack
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transistor networks
application
high-level language
assembler
machine codes
libraries
our modern stack
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
our modern stack
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
our modern stack
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
our modern stack
ai coding assistant
abstraction
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@holly_cummins #RedHat
awesome.
what could possibly go wrong?
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@holly_cummins #RedHat
q: what could possibly go wrong?
a: people.
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@holly_cummins
#RedHat
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@holly_cummins
#RedHat
package com.example;
import org.jboss.logging.Logger;
public class MyService {
private static final Logger log = Logger.getLogger(MyService.class);
public void doSomething() {
log.info("It works!");
}
}
example: quarkus logging
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@holly_cummins
#RedHat
package com.example;
import org.jboss.logging.Logger;
public class MyService {
private static final Logger log = Logger.getLogger(MyService.class);
public void doSomething() {
log.info("It works!");
}
}
example: quarkus logging
import io.quarkus.logging.Log;
Log
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@holly_cummins
#RedHat
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@holly_cummins
#RedHat
horrible
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@holly_cummins #RedHat
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@holly_cummins #RedHat
if one is not able to write a simple
code and depends on generated
code, then he is not a developer
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#RedHat
things people say about abstraction
higher abstraction
means stupider
developers*
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
developer
skill?
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@holly_cummins #RedHat
gate-
keeping
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@holly_cummins #RedHat
people used to say
the same thing about
garbage collection
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@holly_cummins #RedHat
“Avoid using any language that uses ‘garbage
collection’ memory management. It teaches bad
habits and makes for lazy, sloppy engineers.”
–anonymous, 2005
“
http://ex-mentis.blogspot.com/2006/05/are-paul-graham-and-joel-spolsky-right.html
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@holly_cummins #RedHat
rust
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@holly_cummins #RedHat
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@holly_cummins #RedHat
garbage collection users were more likely
to complete the task in the time available,
and those who did so required only about a
third as much time (4 hours vs. 12 hours)
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#RedHat
things people say about abstraction
higher abstraction
means slower code*
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
execution
speed
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#RedHat
things people say about abstraction
higher abstraction
means loss of
control
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@holly_cummins
#RedHat
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@holly_cummins
#RedHat
your logging now depends on quarkus
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@holly_cummins
#RedHat
formatting
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@holly_cummins #RedHat
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@holly_cummins #RedHat
[space]
[space]
[space]
[space]
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@holly_cummins #RedHat
gah!
auto-formatters are a
thing! [space]
[space]
[space]
[space]
[space]
[space] [space]
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@holly_cummins #RedHat
gah!
auto-formatters are a
thing! [space]
[space]
[space]
[space]
[space]
[space] [space]
your time is
valuable, and typing space-
space-space is not a good
use of it
[space] [space] [space]
[space
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@holly_cummins #RedHat
gah!
auto-formatters are a
thing! [space]
[space]
[space]
[space]
[space]
[space] [space]
your time is
valuable, and typing space-
space-space is not a good
use of it
[space] [space] [space]
[space
ARGH!
GAH! *$£!&**!
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@holly_cummins
#RedHat
go fmt
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@holly_cummins
#RedHat
“could we have something like
go fmt, but configurable?”
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
control
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#RedHat
things people say about abstraction
abstraction sacrifices
correctness
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@holly_cummins #RedHat
https://www.sify.com/ai-analytics/the-hilarious-and-horrifying-hallucinations-of-ai/
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@holly_cummins #RedHat
“What is the world record for crossing
the English channel entirely on foot?”
https://www.sify.com/ai-analytics/the-hilarious-and-horrifying-hallucinations-of-ai/
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@holly_cummins #RedHat
“What is the world record for crossing
the English channel entirely on foot?”
“The world record for crossing the
English Channel entirely on foot is held
by Christof Wandratsch of Germany, who
completed the crossing in 14 hours and
51 minutes on August 14, 2020.”
https://www.sify.com/ai-analytics/the-hilarious-and-horrifying-hallucinations-of-ai/
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@holly_cummins #RedHat
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@holly_cummins #RedHat
quarkus + chat gpt
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@holly_cummins #RedHat
quarkus + chat gpt
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@holly_cummins #RedHat
quarkus + chat gpt
this is wrong in every way
(there is no quinoa cli, and having one would be a terrible design)
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@holly_cummins #RedHat
quarkus + chat gpt
this is wrong in every way
(there is no quinoa cli, and having one would be a terrible design)
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@holly_cummins #RedHat
quarkus + chat gpt
this is wrong in every way
(there is no quinoa cli, and having one would be a terrible design)
this is not necessary
(it misses a major quarkus usability feature)
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#RedHat
things people say about abstraction
abstraction makes
things easier
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@holly_cummins
#RedHat
it took 4 different prompts
for my chat-gpt screenshot
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@holly_cummins
#RedHat
programming in
diagrams instead
of words turns out
to be a lot of work
remember model-driven development?
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@holly_cummins
#RedHat
sometimes writing the right copilot
‘spec’ is harder than just writing the code
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@holly_cummins
#RedHat
low code
generative AI
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@holly_cummins
#RedHat
low code
generative AI
looks great in demos
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@holly_cummins
#RedHat
low code
generative AI
looks great in demos
hard to maintain
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@holly_cummins
#RedHat
low code
generative AI
looks great in demos
hard to maintain
does badly if problem is a new one
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
speed of
development?
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
cognitive load
ai coding assistant
machine codes
assembler
high-level language
libraries
framework
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#RedHat
@holly_cummins
choosing a
programming language
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#RedHat
@holly_cummins
choosing a
programming language
1963
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
R
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
R
Kotlin
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
R
Kotlin
Ruby
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
R
Kotlin
Ruby
Rust
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#RedHat
@holly_cummins
choosing a
programming language
1963
Fortan
ALGOL
COBOL
LISP
2023
Python
C
C++
Java
C#
JavaScript
Visual Basic
PHP
SQL
Assembly
Go
Scratch
Pascal
MATLAB
Swift
Fortran
R
Kotlin
Ruby
Rust
…
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#RedHat
@holly_cummins
and if you’re using javascript …
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#RedHat
@holly_cummins
and if you’re using javascript …
1,300,000
libraries in npm registry
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#RedHat
@holly_cummins
and if you’re using javascript …
1,300,000
libraries in npm registry
2,0
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#RedHat
@holly_cummins
now you need a framework
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#RedHat
@holly_cummins
now you need to be cloud native
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No content
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@holly_cummins
#RedHat
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
quality
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security quality
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability quality
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations quality
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations usab
quality
shift left
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations usab
quality
ud bills
shift left
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#RedHat
@holly_cummins
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
devops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
devops
devsecops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
devops
devsecops
devbizops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
devops
devsecops
devbizops
devsecbizops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
apps
ops
devops
devsecops
devbizops
devsecbizops
finops
things you
need to do
well in 2024:
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#RedHat
@holly_cummins
shift down
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#RedHat
@holly_cummins
shift down
let platforms do the work
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations usab
quality
ud bills
shift down
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations
usability
quality
cloud bills
shift down
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transistor networks
framework
application
high-level language
assembler
machine codes
libraries
ai coding assistant
security
observability
operations
usability
quality
cloud bills
shift down
value
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#RedHat
@holly_cummins
big questions
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#RedHat
@holly_cummins
will ai take our jobs?
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#RedHat
@holly_cummins
will ai take our jobs?
NO.
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
machine codes
vacuum tube networks
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
assembler
machine codes
vacuum tube networks
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
transistor networks
assembler
machine codes
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
transistor networks
high-level languages
assembler
machine codes
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
transistor networks
high-level languages
assembler
machine codes
libraries
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
transistor networks
frameworks
high-level languages
assembler
machine codes
libraries
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#RedHat
@holly_cummins
professional developers in the world
https://www.statista.com/statistics/627312/worldwide-developer-population/
https://slashdata-website-cms.s3.amazonaws.com/sample_reports/EiWEyM5bfZe1Kug_.pdf
transistor networks
frameworks
high-level languages
assembler
machine codes
libraries
ai coding assistants
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#RedHat
@holly_cummins
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#RedHat
@holly_cummins
compilers did not put programmers out of work
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#RedHat
@holly_cummins
compilers did not put programmers out of work
(people worried they would)
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#RedHat
@holly_cummins
software is not going away
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human alarm clock
“knocker-up”
1800s - 1940s
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human alarm clock
1800s - 1940s
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human alarm clock
1800s - 1940s
finite demand
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human alarm clock
1800s - 1940s
finite demand
only employees need waking up
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human alarm clock
1800s - 1940s
finite demand
only employees need waking up
no one needs waking up more than once
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#RedHat
@holly_cummins
the more software we
have, the more we want
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#RedHat
@holly_cummins
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#RedHat
@holly_cummins
software to do stuff
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
software to try and avoid skynet
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
software to try and avoid skynet
software to tell people about software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
software to try and avoid skynet
software to tell people about software
software to work out the meaning of life
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
software to try and avoid skynet
software to tell people about software
software to work out the meaning of life
software to gamify software
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#RedHat
@holly_cummins
software to do stuff
software to do more stuff
software to bypass advertisements in the software
software to bypass the bypass software so ads still show
software to monitor the software
software to debug the software
software to manage the software
software to write the software
software to manage the software that writes the software
software to try and avoid skynet
software to tell people about software
software to work out the meaning of life
software to gamify software
…
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#RedHat
@holly_cummins
will the productivity
expectation be higher?
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#RedHat
@holly_cummins
will the productivity
expectation be higher?
probably
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#RedHat
@holly_cummins
will we spend more time
debugging generated code?
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#RedHat
@holly_cummins
will we spend more time
debugging generated code?
probably :)
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#RedHat
@holly_cummins
copilot users accepted
30% of its suggestions
copilot produced
40% of the codebase
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#RedHat
@holly_cummins
copilot users accepted
30% of its suggestions
copilot produced
40% of the codebase
uh oh, what does that say about
the information density?
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#RedHat
@holly_cummins
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#RedHat
@holly_cummins
70%
unnecessary code
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#RedHat
@holly_cummins
“lines of code” is not a good
productivity metric for people.
or machines.
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#RedHat
@holly_cummins
if code is so boring a machine can
predict it, maybe it shouldn’t be there?
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#RedHat
@holly_cummins
do we really want
software-generated boilerplate?
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#RedHat
@holly_cummins
is it inevitable that
things get easier?
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#RedHat
@holly_cummins
is it inevitable that
things get easier?
no
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#RedHat
@holly_cummins
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#RedHat
@holly_cummins
java
1995
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#RedHat
@holly_cummins
java enterprise java beans
1995 1999
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#RedHat
@holly_cummins
yaml
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#RedHat
@holly_cummins
design to make things easy
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#RedHat
@holly_cummins
design to make things easy
minimise opportunity for error
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#RedHat
@holly_cummins
design to make things easy
minimise opportunity for error
minimise boilerplate
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#RedHat
@holly_cummins
design to make things easy
minimise opportunity for error
minimise boilerplate
minimuse duplication of information
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#RedHat
@holly_cummins
design to make things easy
minimise opportunity for error
minimise boilerplate
minimuse duplication of information
maximise expressiveness
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#RedHat
@holly_cummins
design to make things easy
minimise opportunity for error
minimise boilerplate
minimuse duplication of information
maximise expressiveness
talk to people (doh!)
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#RedHat
@holly_cummins
if ai can save dev time using your thing,
maybe you designed your api wrong?
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#RedHat
@holly_cummins
challenge assumptions
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#RedHat
@holly_cummins
“what if … people
didn’t have to do this?”
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#RedHat
@holly_cummins
“what if … you didn’t need to
configure a database?”
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#RedHat
@holly_cummins
example:
letting computers to the
hard work with quarkus
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#RedHat
@holly_cummins
io.quarkus
quarkus-jdbc-postgresql
pom.xml
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#RedHat
@holly_cummins
we see you will be
using a database
io.quarkus
quarkus-jdbc-postgresql
pom.xml
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#RedHat
@holly_cummins
we see you will be
using a database
we see you do not
have one
io.quarkus
quarkus-jdbc-postgresql
pom.xml
# This config deliberately left empty
application.properties
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#RedHat
@holly_cummins
we see you will be
using a database
we see you do not
have one
io.quarkus
quarkus-jdbc-postgresql
pom.xml
# This config deliberately left empty
application.properties
we’ll just sort one
out for you
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#RedHat
@holly_cummins
caution: if people expect something to
be hard, making it easy can confuse them
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@holly_cummins #RedHat
tl;dpa
(too long; didn’t pay attention)
abstraction is good. shift down, to make
shifting left easier
coding assistants are great at … typing
challenge assumptions + eliminate
boilerplate
it is awesome being a developer
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Holly Cummins
Red Hat
http://hollycummins.com/jobs-harder-easier-sphere/
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