frank chu - DEV Community

frank chu

Oct 10

I proposed a shelf life for published claims. A reader showed me I was measuring the wrong variable.

#discuss #testing #career #writing

2

4 min read

frank chu

Oct 10

dev.to's API has no DELETE. It has PUT published:false, which the docs never mention.

#api #python #webdev #programming

4 min read

frank chu

Oct 10

A reader asked if a word-count floor would fix my linter. I measured it, and it fixes a different bug.

#javascript #testing #tooling #writing

5 min read

frank chu

Oct 4

Which check in your pipeline has never fired?

#discuss #testing #devops #career

1

4 min read

frank chu

Oct 4

I merged six checkers into one script. It found a real bug and committed one, on the same run.

#python #testing #tooling #programming

5 min read

frank chu

Oct 4

I published the same two posts twice and didn't notice for a month

#api #python #reliability #programming

4 min read

frank chu

Oct 1

How long do you keep a published claim provisional?

#discuss #career #writing #testing

1

4 min read

frank chu

Oct 1

dev.to re-encodes and crops your cover image, and I measured exactly where the crop lands

#webdev #images #performance #python

4 min read

frank chu

Oct 1

My writing linter can be defeated by writing more. I measured how much more.

#javascript #testing #writing #tooling

1

5 min read

frank chu

Sep 29

Every checker I wrote this month had the same bug: it could not tell using a word from talking about one

#discuss #programming #testing #tooling

4 min read

frank chu

Sep 29

A server sent me Retry-After: 0 and my retry loop lost its brakes

#python #api #reliability #programming

5 min read

frank chu

Sep 29

The Server header told me which layer rejected my request, and it wasn't the one I was debugging

#python #api #debugging #webdev

4 min read

frank chu

Sep 27

Five things I read in an HTTP response before I read the status code

#api #debugging #python #webdev

4 min read

frank chu

Sep 27

77% of the Python I published references names it never defines

#python #programming #writing #testing

4 min read

frank chu

Sep 27

I have the same boolean in 94 files. It is wrong in 90 of them.

#python #programming #testing #devops

4 min read

frank chu

Sep 25

My linters have never found a real bug in my posts. Readers have found two.

#discuss #testing #programming #career

3 min read

frank chu

Sep 25

I published a benchmark. Two weeks later the same code ran 2.5x faster.

#performance #testing #python #programming

4 min read

frank chu

Sep 25

If a list endpoint returns exactly as many rows as you asked for, you have a bug

#python #api #programming #testing

3 min read

frank chu

Sep 21

Reading the Jev SDK source instead of the launch post

#python #api #ai #programming

5 min read

frank chu

Sep 21

Everyone is quoting Jev's benchmarks. Here's what you can check without a key.

#ai #python #api #programming

6 min read

frank chu

Sep 19

The best comment I ever got was someone proving my code wrong

#discuss #programming #career #testing

3 min read

frank chu

Sep 19

Same platform, two image transforms, opposite rules for how to author them

#webdev #performance #programming #css

4 min read

frank chu

Sep 19

A commenter told me to render retina covers. I measured what the CDN does with them.

#webdev #performance #python #programming

3 min read

frank chu

Sep 18

How long would you obey a rule your tooling never actually enforced?

#discuss #programming #testing #career

2 min read

frank chu

Sep 18

dev.to stores your front matter twice, and a body edit can rewrite your title

#python #api #webdev #programming

3 min read

frank chu

Sep 18

My writing score went from 1 to 17 without touching a word of the article

#python #testing #writing #programming

3 min read

frank chu

Sep 18

Your agent's rules file is 3,000 tokens and half of it is archaeology

#discuss #ai #agents #productivity

1

2 min read

frank chu

Sep 18

Three checkers I wrote, one bug: none of them can tell a mention from a use

#programming #testing #javascript #python

3 min read

frank chu

Sep 18

Two constants in my linter were dead. I obeyed them for three weeks.

#javascript #testing #programming #writing

3 min read

frank chu

Sep 17

What's the dumbest thing your AI confidently got wrong this week?

#discuss #ai #productivity #programming

2 min read

frank chu

Sep 17

I scanned my whole archive: 63 of 68 posts passed. The archive has 3 reactions.

#python #writing #ai #career

1

4 min read

frank chu

Sep 17

The dev.to API can edit a published post. The quickstart never says so.

#python #api #webdev #programming

3 min read

frank chu

Sep 16

If you deleted every AI subscription tomorrow, what would actually break?

#discuss #ai #productivity #career

2

3

2 min read

frank chu

Sep 16

Every image my blog generates cost 2.3 seconds of Chrome boot. Six of them cost 14.

#python #performance #webdev #programming

1

3 min read

frank chu

Sep 16

I measured my last 10 posts: 9 had zero code blocks. So I wrote a gate.

#javascript #programming #writing #testing

4 min read

frank chu

Sep 15

Agent skills are plugins with a new name

#discuss #ai #agents #opensource

2

3 min read

frank chu

Sep 15

My chart generator quietly padded every image with up to 70px of dead space

#python #webdev #css #programming

1

3 min read

frank chu

Sep 15

I probed my own AI-writing linter 16 ways. The first probe lied to me.

#ai #programming #testing #writing

1

3 min read

frank chu

Sep 14

Every attack in Anthropic's threat report started with a stolen key

#security #ai #agents #programming

1

3 min read

frank chu

Sep 14

The 3-layer split that stopped my agent's skills from rotting

#ai #agents #programming #productivity

1

4 min read

frank chu

Sep 14

60 posts in 3 weeks got 690 views. Here's the autopsy.

#discuss #writing #career #productivity

3 min read

frank chu

Sep 14

Are you actually faster with AI, or just busier?

#discuss #ai #productivity #career

2 min read

frank chu

Sep 14

The pre-commit hook that stops a secret from ever reaching your repo

#security #git #programming #ai

3 min read

frank chu

Sep 14

Streaming an LLM response is easy. The parts that bite come after the first token.

#ai #llm #programming #webdev

1

3 min read

frank chu

Sep 14

Do you still read the docs, or do you just ask the model now?

#discuss #ai #productivity #programming

2 min read

frank chu

Sep 14

How to test code that calls an LLM without writing flaky tests

#ai #llm #testing #programming

3 min read

frank chu

Sep 14

Treat your prompts like code: version them, test them, review them

#ai #llm #programming #productivity

3 min read

frank chu

Sep 12

I Don't Chat With My AI Assistant. I Run My Household With It

#ai #productivity #agents #automation

3 min read

frank chu

Sep 12

What do you actually spend on AI per month, and would you pay it out of your own pocket?

#discuss #ai #productivity #career

1

2 min read

frank chu

Sep 12

A 30-line wrapper that tells you what every LLM call actually costs

#ai #llm #python #programming

3 min read

frank chu

Sep 12

Context engineering is mostly deciding what to leave out

#ai #llm #programming #machinelearning

1

3 min read

frank chu

Sep 11

The PR is green and you didn't write a line of it. What's your actual bar for merging?

#discuss #ai #agents #programming

2 min read

frank chu

Sep 11

5 things I lock down in a repo before I let an agent loose in it

#security #ai #agents #programming

3 min read

frank chu

Sep 11

Your LLM calls need real retry logic, and the SDK only does half of it

#ai #llm #python #programming

1

4 min read

frank chu

Sep 10

Stop asking the model for JSON. Constrain it.

#ai #llm #python #programming

3 min read

frank chu

Sep 10

Charts for your README from a JSON spec, no charting library

#showdev #webdev #css #python

4 min read

frank chu

Sep 8

Every new session, your AI agent starts from zero. What do you actually feed it to catch up?

#discuss #ai #productivity #programming

2 min read

frank chu

Sep 8

Prompt caching is a ~90% discount on your LLM bill, and three habits quietly throw it away

#ai #llm #api #programming

5 min read

frank chu

Sep 4

The 5 writing tells that make a post feel machine-made, and how I catch them before publishing

#writing #productivity #career #beginners

1

4 min read

frank chu

Sep 2

I generate every blog cover with headless Chrome and a bit of CSS, no design tool

#showdev #webdev #css #python

2

4 min read

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