Top all-time · #10328
Reuven Lerner
Personal blog · blog.lerner.co.ilprogrammingdata
Reuven Lerner writes LernerPython, a personal blog at blog.lerner.co.il about programming and data. Since 2014, 7 different Hacker News readers have linked it 60 times, most often “A very sad day – the end of Linux Journal”. It is still writing: the last post was on 2026-11-01, and you can follow it by feed.
Practical Python, Pandas, Git, and PostgreSQL articles from Reuven Lerner: short, hands-on explanations drawn from 30+ years of teaching developers.
Most-linked posts?
- A very sad day – the end of Linux Journal2 people · 3 mentions · first linked 2017-12-01
- In PostgreSQL, as in life, don’t wait too long to commit2 people · 3 mentions · first linked 2015-09-17
- Python’s objects and classes – a visual guide2 people · 3 mentions · first linked 2015-10-18
- My favorite terrible Python error message2 people · 2 mentions · first linked 2017-09-18
- Scaling up a site for Shark Tank2 people · 2 mentions · first linked 2015-11-22
What Hacker News says?
SEEKING WORK - remote, from Israel I've been a full-stack Web developer since 1993, when I set up one of the first 100 Web sites in the world. I've been working as a consultant since 1995. I have extensive experience with Ruby (and Rails), Python, PostgreSQL, JavaScript, and many other technologies. I have a PhD in Learning Sciences from Northwestern University; I researched the intersection between online communiti…
Comment linking /
on “Ask HN: Freelancer? Seeking freelancer? (December 2014)”Submitted Control-R, my favorite Unix shell command as a story · 122 points
HN discussionSEEKING WORK - training and mentoring (on-site or remote) I teach Python, PostgreSQL, Git, and Ruby to companies around the world. If your company has engineers who need to level up quickly in one or more of these technologies, then I can provide on-site or online training, as part of a formal class, or in a less-structured mentoring capacity. Among my many repeat customers are Apple, Autodesk, Cisco, EMC, HP, SANDi…
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on “Ask HN: Freelancer? Seeking freelancer? (July 2015)”Submitted The lack of a case against Python 3 as a story · 115 points
HN discussionSEEKING WORK - remote, from Israel I've been a full-stack Web developer since 1993, when I set up one of the first 100 Web sites in the world. I've been working as a consultant since 1995. I have extensive experience with Ruby (and Rails), Python, PostgreSQL, JavaScript, and many other technologies. I have a PhD in Learning Sciences from Northwestern University; I researched the intersection between online communiti…
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on “Ask HN: Freelancer? Seeking freelancer? (October 2014)”Submitted A foreigner's guide to WeChat payments in China as a story · 107 points
HN discussionSEEKING WORK - remote, from Israel I've been a full-stack Web developer since 1993, when I set up one of the first 100 Web sites in the world. I've been working as a consultant since 1995. I have extensive experience with Ruby (and Rails), Python, PostgreSQL, JavaScript, and many other technologies. I have a PhD in Learning Sciences from Northwestern University; I researched the intersection between online communiti…
Comment linking /
on “Ask HN: Freelancer? Seeking freelancer? (November 2014)”Submitted Making Python's __init__ method magical as a story · 60 points
HN discussionSEEKING WORK - remote development and mentoring (Israel), on-site training I am a full-stack Web developer (since 1993) and an independent consultant (since 1995). I set up one of the 100 Web sites in the world, write the monthly Web technology column for Linux Journal, and have a PhD in Learning Sciences from Northwestern University. Currently, I spend half of my time helping developers to use open-source tools mor…
Comment linking /
on “Ask HN: Freelancer? Seeking freelancer? (February 2015)”Submitted A very sad day – the end of Linux Journal as a story · 12 points
HN discussionSEEKING WORK - remote development and mentoring (Israel), on-site training I am a full-stack Web developer (since 1993) and an independent consultant (since 1995). I set up one of the 100 Web sites in the world, write the monthly Web technology column for Linux Journal, and have a PhD in Learning Sciences from Northwestern University. Currently, I spend half of my time helping developers to use open-source tools mor…
Comment linking /
on “Ask HN: Freelancer? Seeking freelancer? (January 2015)”Submitted My favorite terrible Python error message as a story · 9 points
HN discussionSubmitted How I learned to love Python’s str.format, and gave up on % as a story · 8 points
HN discussionSubmitted In Python, it’s all about the attributes as a story · 6 points
HN discussionSubmitted How I learned to love Python’s str.format, and gave up on % as a story · 6 points
HN discussionSubmitted The relative speeds of str.format and % as a story · 5 points
HN discussionSubmitted A quick intro to the Unix “find” utility as a story · 4 points
HN discussionSubmitted Fun with floats as a story · 4 points
HN discussionSubmitted Using regexps in PostgreSQL as a story · 4 points
HN discussionSubmitted Scaling up a site for Shark Tank as a story · 4 points
HN discussionSubmitted Python’s objects and classes – a visual guide as a story · 4 points
HN discussionSubmitted In PostgreSQL, as in life, don’t wait too long to commit as a story · 4 points
HN discussionSubmitted When does Python close files? as a story · 4 points
HN discussionSubmitted Why you should read “Weapons of Math Destruction” as a story · 3 points
HN discussionSubmitted In PostgreSQL, as in life, don’t wait too long to commit as a story · 3 points
HN discussionSubmitted Why you should almost never use “is” in Python as a story · 3 points
HN discussionSubmitted If you don't use “with”, when does Python close files? the answer: It depends as a story · 3 points
HN discussionSubmitted The foreigner’s guide to WeChat payments in China as a story · 2 points
HN discussionSubmitted A quick intro to the Unix “find” utility as a story · 2 points
HN discussionSubmitted Four ways to assign variables in Python as a story · 2 points
HN discussion