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Jesse Jiryu Davis : Python
18  avril     13h53
Consistency and Isolation for Python Programmers
   Computers are infuriating. At PyCon I talked about consistency and isolation in databases, and showed Python implementations of four isolation levels. Here’s the PyCon video and here’s a Talk Python podcast interview with Michael Kennedy episode page . The subject goes a bit deeper than I...
16  mai     14h58
Why Should Async Get All The Love?: Advanced Control Flow With Threads
   I spoke at PyCon about writing safe, elegant concurrent Python with threads. Here’s the video. Sorry about the choppy audio, the A V at PyCon this year was a shitshow. Below is a written version of the talk. asyncio. Asyncio is really hip. And not just asyncio the older async frameworks...
24  août     08h34
Coaching For All 2021 PyGotham Speakers
   I help organize PyGotham TV, NYC’s annual conference about the Python programming language, plus an eclectic mix of policy, culture, open source software, and hacks. For the last few years we’ve provided speakers with the services of a professional speaking coach, opera singer Melissa Collom she’s...
27  avril     13h30
Get a Coach for your PyCon 2021 Talk
   I get professional coaching for nearly every conference talk I deliver. Now that most conference talks are pre recorded videos shot from home, I need more help than ever to make my talks polished, convincing, and fun. I rely on my friend Melissa Collom, an opera singer and experienced coach who’s...
01  juin     12h01
The Python Language Summit 2020
   For the second year in a row, I was invited to report on the Python Language Summit. It’s a private gathering of Python language implementers both the core developers of CPython and alternative Pythons , plus third party library authors and other Python community members. This year, the Summit was...
07  décembre     22h25
PyGotham 2019 Speaker Coaching Recap
   I’m one of the organizers for PyGotham, the yearly Python programming conference in New York City. This year thirteen PyGotham speakers received training from opera singer and speaking coach Melissa Collom, paid for by the conference and free for the speakers. Eight of the speakers were new to the...
09  novembre     21h37
PyGotham 2019’s ASL and Live Captioning Playbook
   At PyGotham we provided live captioning and, for the first time, we offered American Sign Language interpretation and did targeted outreach to groups of Deaf programmers. As a result, we had a half dozen Deaf attendees, and they reported they were able to fully participate in the conference in...
17  septembre     22h02
Free Coaching For PyGotham Speakers
   I help organize PyGotham, NYC’s annual conference about the Python programming language. For the third year in a row, we’re giving our speakers free sessions with a professional speaking coach, opera singer Melissa Collom. In the past we’ve limited coaching to first time speakers, but we’re now...
04  juin     15h07
The Python Language Summit
   Each year the Python core developers and a handful of Python community members have an exclusive one day summit to discuss the future of the language. The presentations are not recorded and only one reporter is allowed this year, I was the fortunate reporter invited to cover the summit for the...
27  avril     12h07
PyCon Canada Video: API Evolution the Right Way
   I gave this talk at PyCon Canada in Toronto, in November . You can also read my article on the same topic.
09  novembre     15h50
API Evolution the Right Way
   Watch videos of me presenting this material at PyCon Canada or PyCon US. Imagine you are a creator deity, designing a body for a creature. In your benevolence, you wish for the creature to evolve over time: first, because it must respond to changes in its environment, and second, because your...
16  octobre     11h14
Recap: PyGotham 2018 Speaker Coaching
   With your help, we raised money for twelve PyGotham speakers to receive free training from opera singer and speaking coach Melissa Collom. Most of the speakers were new to the conference scene; Melissa helped them focus on their value to the audience, clarify their ideas, and speak with confidence...
19  juillet     15h17
Help Me Offer Professional Coaching to PyGotham Speakers
   I want to raise for public speaking coaching for first time speakers at PyGotham, the New York City Python conference. Will you chip in PyGotham has many first time speakers this year. I think the conference can welcome a more diverse group of speakers and advance their careers if we offer...
11  juillet     04h11
Motor 2.0
   To support multi document transactions, I had to make breaking changes to Motor’s session API and release a major version bump, Motor . . Since this is a major release I also deleted many helper methods and APIs that had been deprecated over time since Motor . , most notably the old CRUD methods...
10  février     13h45
Further Reading About What To Expect When You’re Expiring
   At PyTennessee I gave a talk about writing Python object destructors called What To Expect When You’re Expiring: Rules for del . The rules for a destructor method are: Don’t access modules or globals. Don’t access threadlocals. Don’t take any locks. Links to further reading about the...
03  février     21h51
Video: Writing Winning Proposals for Tech Conferences
   I was invited by PyLadies Online to give a February, webinar about proposing talks, for the annual Global Diversity CFP Day. Watch the recording for my tips about advancing your conference speaking career.
25  janvier     13h49
Embed Interns In Your Team, Don’t Assign Them Science Fair Projects
   It’s only January, but at MongoDB we’re already planning what our summer interns should work on. We have two tracks for interns: Team Track: Interns are integrated in a team for the duration of the summer, contributing to the team’s regular work. They start with smaller tasks and work up to a...
02  janvier     08h40
Free Online Workshop for Conference Proposals, February 3
   When you speak at a conference or meetup, you have a chance to explain your ideas and meet fellow specialists who share your passions. A tech talk opens surprising opportunities: it can lead to more speaking, or writing for prominent publishers, or collaborating with leaders in your field. Your...
18  décembre     15h47
Motor 1.2.0
   I’m excited to announce version . . of Motor, my async Python driver for MongoDB. Motor works with Python . and ., and it supports async MongoDB applications using either Tornado or asyncio. Version . . is not substantially changed from the release candidate I announced last week, please...
13  décembre     15h59
Join Me at PyTennessee 2018
   I’m looking forward to PyTennessee this February in Nashville. It’s a friendly Python conference, not too big, with great talks and smart people. Kind of like the city of Nashville itself: friendly and not too big. This year I’m giving two talks. One is about keeping our temper with beginners when...
    07h01
Announcing Motor 1.2 Release Candidate, With MongoDB 3.6 Support
   MongoDB . was released December . Today I’ve uploaded a release candidate for version . of Motor, the async Python driver for MongoDB. This will be a big release so I hope you try the release candidate and tell me if it works for you or if you find bugs. Install the release candidate with pip...
24  novembre     10h12
Video From PloneConf 2017: Why Generosity Turns to Rage
   I talked in Barcelona in October about being nice to newcomers who ask basic questions. We go to StackOverflow and mailing lists and forums with the intention to be generous, so why do we nevertheless act cruelly to beginners Why do we lose our tempers And what can we do about it My talk got a...
22  octobre     13h32
Retrospective: Coaching for First-Time PyGotham Speakers
   Last month I asked you to chip in enough money to hire a professional coach for every first time PyGotham speaker. We raised , which was enough not only for all the first time speakers but for one additional speaker who wanted coaching. These eleven people had sessions with opera singer...
03  octobre     21h25
My conversation with Mark Weiss on the new Using Reflection podcast
   I had a revealing conversation with my old colleague Mark Weiss on his new podcast, Using Reflection. We talked about the software industry’s sorry lack of mentorship, we contrasted the short term mindset I had when I was a freelancer versus my long term commitment to my team at MongoDB, and I...
11  septembre     15h25
Help Me Offer Professional Coaching to PyGotham Speakers
   I want to raise for public speaking coaching for first time speakers at PyGotham, the New York City Python conference. Will you chip in Update: As of October, we exceeded our original goal. We raised , and provided coaching sessions for speakers. PyGotham has many first time...
24  juillet     10h57
Vote For Your Favorite PyGotham Talks
   We received proposals for talks at PyGotham this year. Now we have to find the best or so. For the first time, we’re asking the community to vote on their favorite talks. Voting will close August th; then I and my comrades on the Program Committee will make a final selection. Your Mission,...
14  juillet     18h54
PyGotham’s Call For Proposals Ends Tuesday at Noon Eastern
   I know you want to speak at PyGotham in NYC this October and . It’s an eclectic tech conference about Python, open source, policy, and culture. It’s easy to propose a talk, and I encourage you to propose a few of them. Propose a talk for PyGotham Illustration from The National and...
07  juillet     22h16
Join Me and PyLadies NYC For a PyGotham Proposal Workshop
   This Tuesday at : pm, join me and other PyGotham organizers and the PyLadies Meetup. We’ll discuss what kind of talks the PyGotham conference is looking for, help you write your proposals, answer questions about our talk selection process, and eat Turkish food. Register for PyGotham Proposal...
22  juin     08h12
New Driver Features for MongoDB 3.6
   At MongoDB World this week, we announced the big features in our upcoming . release. I’m a driver developer, so I’ll share the details about the driver improvements that are coming in this version. I’ll cover six new features the first two are performance improvements with no driver API changes....
21  mai     09h01
Video of My PyCon 2017 Talk, Grok the GIL: Fast and Thread-Safe Python
  
18  mai     13h14
Let’s Grok the Gil at PyCon, Friday
   I’m talking about fast and thread safe Python tomorrow at :, in the Oregon Ballroom . Come learn the internals of the Global Interpreter Lock, its effect on your code, and how to make your programs go fast without crashing. It boils down to two principles pithy enough to write on the...
04  mai     08h39
Join me for NYC Python Meetup’s PyCon Warmup Sessions
   The NYC Python Meetup is hosting a night of PyCon warmup talks next Thursday, May . I’ll present Grok the GIL and four of my friends are doing their PyCon talks and posters. Doors open at : and talks begin at . Matt Rocklin, Dask: A Pythonic Distributed Data Science Framework Jon...
26  avril     11h52
Grok the GIL: Write Fast and Thread-Safe Python
   Cross posted from Red Hat’s OpenSource.com. When I was six years old I had a music box. I’d wind it up, and a ballerina revolved on top of the box while a mechanism inside plinked out Twinkle Twinkle Little Star. The thing must have been godawful tacky, but I loved it, and I wanted to know how...
11  avril     09h54
Join Me Thursday with ChiPy and Chicago PyLadies
   I’m speaking Thursday night at a joint event for Chicago PyLadies and ChiPy. I’ll give you a sneak preview of my new PyCon talk, Grok the GIL: Write Fast and Thread Safe Python. We’ll watch live demos, read ancient CPython source code, and learn a principle so pithy you can write it on the back...
04  février     15h13
Monitoring MongoDB Driver Events In Motor
   Do you want to know every MongoDB query or command your program sends, and the server’s reply to each How about getting a notification whenever the driver detects a primary failover, or when a new secondary joins the replica set Over the last year, MongoDB drivers have implemented these...
16  janvier     18h19
Python Async Coroutines: A Video Walkthrough
   If your New Year’s resolution is to become an expert in Python coroutines, I have good news. Back in July, the book Lines or Less: Experienced Programmers Solve Interesting Problems was published, including the chapter I co wrote with Guido van Rossum. Our chapter explains async networking....
04  janvier     21h25
Two Dramatic Performances About getaddrinfo
   I just discovered this: a couple weeks ago the BSD Now podcast featured my article about making getaddrinfo concurrent in Python BSD. They were doing a roundup of stories about ancient BSD lore and included my tale about fixing an ancient bug. If you want to watch the two hosts cracking each other...
05  décembre     11h50
Making getaddrinfo Concurrent in Python On Mac OS and BSD
   Tell us about the time you made DNS resolution concurrent in Python on Mac and BSD. No, no, you do not want to hear that story, my friends. It is nothing but old lore and ifdefs. But you made Python more scalable. The saga of Steve Jobs was sung to you by a mysterious wizard with a fanciful...
29  novembre     22h58
Announcing Motor 1.1 For MongoDB 3.4
   MongoDB . was released this morning; tonight I’ve released Motor . with support for the latest MongoDB features. Motor . now depends on PyMongo . or later. It’s an annoying coincidence that the latest MongoDB and PyMongo versions are the same number. With MongoDB . and the latest Motor,...
17  novembre     12h15
The Saga of Concurrent DNS: My Article in the MongoDB Engineering Journal
   Earlier this year I updated CPython to allow concurrent DNS resolution on Mac and BSD. My patch was trivial, but it took me weeks of archeological research to prove it was correct. In this article for the MongoDB Engineering Journal, I sing the ballad of my quest: The Saga of Concurrent DNS in...
02  novembre     18h23
Announcing Motor 1.0
   More than four years ago, I was sitting through a particularly distracted period of meditation. It was a Saturday morning and I was sitting on a meditation cushion next to my girlfriend in her Brooklyn apartment, staring at the wall. I suddenly thought of a technique for turning PyMongo into an...
26  octobre     07h16
Announcing Motor 0.7
   Three weeks after I released the beta, I’m proud to present Motor . . For asynchronous I O Motor now uses a thread pool, which is faster and simpler than the prior implementation with greenlets. It no longer requires the greenlet package, and now requires the futures backport package on Python ....
06  octobre     09h40
Computer Science For All
   MongoDB offered a paid fellowship to two teachers this summer. Jeremy Mellema and Tim Chen worked with the MongoDB Education Team in our office, developing a computer science curriculum based on Python, MongoDB, and other technologies. This fall, they’re starting to teach the new class in NYC...
03  octobre     08h28
Motor 0.7 Beta With Pymongo 2.9 And A Threaded Core
   Please try the beta release of Motor . and let me know how it works for you: python m pip install motor . b Documentation: Motor beta documentation Motor . changelog In two ways, Motor . paves the way for Motor . : first, its PyMongo dependency is upgraded from PyMongo . to . ....
26  juillet     20h50
Talk Python to Me: Write an Excellent Programming Blog
   Michael Kennedy and I talked about writing about programming. What kind of writing is most valuable, how do you choose a topic, improve your writing, find an audience, and find the time to write Listen to the podcast on the Talk Python To Me site. I’ve talked with Michael before: Episode of ...
12  juillet     15h32
500 Lines or Less Published Today
   In this new book in the Architecture of Open Source Applications series, experienced programmers solve interesting problems in lines of example code or less. Guido van Rossum and I contributed a chapter titled A Web Crawler With asyncio Coroutines ; we demonstrate the bones of a Python async...
23  juin     22h44
72% Of The People I Follow On Twitter Are Men
   At least, that’s my estimate. Twitter does not ask users their gender, so I have written a program that guesses based on their names. Among those who follow me, the distribution is even worse: are men. None are gender nonbinary as far as I can tell. The way to fix the first number is not...
02  juin     08h30
Write An Excellent Programming Blog at PyCon 2016
   Video of my talk at PyCon in Portland. I talked about writing about programming. Voluminous related information, including a written version of this material, a screencast that I captioned, and links to further reading: The Write an Excellent Programming Blog Page
29  mai     08h34
Say Useful Things To An Audience That’s Listening: 6 Tips For Delivering A PyCon Talk
   Sylvia Pankhurst didn’t waste time on Q amp; A. Ten minutes before my first PyCon talk ever, I was standing at the podium. I had got up there as soon as the previous speaker stepped off I had to be sure I was ready in time for my : pm slot The nice session runner gave me a water bottle, the A V...
26  mai     13h34
Captioning Myself And 6 Other Ways I’ll Prepare In The 24 Hours Before I Speak At Pycon
   At : pm Pacific Time this Wednesday, I’ll be in Portland, sitting in a lecture room at PyCon, judging the right moment to walk on stage and start my talk. I have a regimen for the hours before that primes me to give you the best talk I can. This whole series of articles about conference...