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eblog: software articles by efron licht

I’m Efron Licht, a programmer from San Diego, California. Software’s my wife and my life. I write articles about software, largely Systems Programming and Backend Web Development using Go.

Latest Update (May 2026)

• github and the Crime Against Software
  

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Professional Enquiries

I run a software consulting firm, Tapir Technology, which largely works on distributed systems and other
performance-sensitive systems.

If you’re interested in simple, reliable, efficient, and low-latency software - or just saving huge
chunks on your cloud bill - you can book an appointment here.

List of Articles

software talmud (2026-)

commentary and collation on generations of programmers’ wisdom.

1. Anatomy of Automation (April 2026)
   
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backend from the beginning: a complete guide to backend development in go

My most popular series. Backend dev without the nonsense. Millions of views and counting.

1. Introduction, TCP, DNS, HTTP (September 2023)
   
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2. Practical backend with net/http, net/url, encoding/json, and context
   
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3. Finishing touches: middleware, dependencies, & routing
   
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starting systems programming: practical systems programming for the contemporary developer (2025-)

A guide to programming like an adult.

1. Programmers Write Programs: Building your Tools (March 2025)
   
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2. Your Program And The Outside World (March 2025)
   
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3. Execution Counts: Hardware, Memory, & Software Performance (April 2026)
   
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4. … more to come!
   

go quirks & tricks (2022-2023)

Intermediate and advanced tricks for more sophisticated Go programmers.

1. declaration, control flow, typesystem
   
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2. concurrency, unsafe, reflect
   
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3. arrays, validation, build constraints
   
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reflection / gamedev / debug console

Really advanced tricks for live debugging in graphical programs.

1. advanced go: reflection-based debug console
   

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2. reflection-based debug console: autocomplete

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     opinion pieces

Shaking my fist at the sun.

• Github and the Crime Against Software <—- NEW!
  
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• Gin is a very bad software library
  
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• Have you tried turning it on and off again?
  
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starting software

Software should build, start, and test quickly. Here’s how.

• build fast: docker should be fast, not slow
  
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• test fast: a practical guide to a livable test suite
  
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• start fast: booting go programs quickly with inittrace and nonblocking[T]
  
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misc/uncategorized (2022-2023)

/etc/..

• faststack: analyzing & optimizing gin’s panic stack traces
  
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• simple byte hacking: a uuid adventure
  
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