@nim_lang just did a quick (& stupidly simple) benchmark comparing asyncHttpServer with a plain @nodejs http server. The #Nodejs server seems ~3.5x faster than the #nim one... I did expect opposite results! Am I doing something stupid or is this expected? ImageImageImage
After setting up the @nim_lang "-d:release" flag and changing the @nodejs implementation to use the cluster module, these are some new results. ImageImage
@nim_lang is winning (as expected) but just slightly (62k vs 51k req/sec). Again, this is a silly benchmark, but nonetheless a good proof of @nodejs raw performance with async workflows!
Hey @nim_lang, is there any way (and maybe an example) on how to respond using content-encoding chunked and avoid to send the "content-length" header? I spent a couple of hours on this today but I wasn't able to figure out a decent solution for it :(

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More from @loige

Sep 15, 2022
Here are 6 of my favorite third-party libraries when building CLI applications using #NodeJS

Want to know why?👇🧵
commander ➡️ npm.im/commander

Simple yet powerful command-line argument parser. It automatically generates help messages and can be configured to support multiple commands.

I ❤️ it bc it's not prescriptive, you can organize the code as you want (1 file or more).
conf ➡️ npm.im/conf

How many times did you have to store settings (creds & other preferences)? Where do you save the conf file? Which format do you use? How do you load and update the file?

Conf takes care of all of this (and more!) with an extremely simple API
Read 10 tweets
Aug 3, 2022
"Yo, why are #JavaScript and its ecosystem so messy?!" 😡

Well, I am glad you asked... Let me tell you a story! 🤓

For starting... #JavaScript was not designed to be the language that it is today!

JS was created in 1995 by @BrendanEich for Netscape, a web browser that was trying to come up with a language to make the web more interactive
@BrendanEich #JS wasn't related w/ #Java, so why did they call it Java-Script?! Duh! 😳

Java was trendy! it was possible to build interactive sites by embedding Java apps in pages (applets). So it was mostly a #mktg move: "JS: the lightweight Java alternative" or something like that I guess
Read 40 tweets
May 25, 2021
I have been confused for a while on what's the best way to implement a "to string" functionality for a #Rust struct. 🦀

The reason why this has been confusing to me is that there are indeed many ways to do that and they all have different purposes!

This is what I learned

The first thing that you can do is to just implement a simple `to_string()` function directly on your struct!

This is easy and it works! But the implementation is very specific to our struct.

The rest of the codebase doesn't really know that this type can be converted to a String and therefore you cannot build abstractions on top of this... 🤨
Read 23 tweets
Oct 1, 2020
Do you know what's in a #JWT token?

Here's a quick thread to learn something about this! 👇
A JWT token (JSON Web Token) is just a string with a well-defined format. A sample token might look like this:

There are 3 parts separated by a `.` (dot) character:

- header: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
- body: eyJoZWxsbyI6ImZyb20gSldUIn0
- signature: XoByFQCJvii_iOTO4xlz23zXmb4yuzC3gqrWNt3EHrg
Read 13 tweets
Sep 17, 2020
@eleven_ty micro tip: Give eleventy some credit by injecting a "generator" meta tag in your HTML! 🔥

Frontpage and Dreamweaver used to get credit this way, why shouldn't we give Eleventy some credit too? 😇

(a short thread in 3 steps 👇) Image
STEP 1. Create a data file in `_data/site.js` with the following content: Image
STEP 2. Create your base layout `_includes/layout.njk` and use the variable `{{ site.generator }}`: Image
Read 8 tweets
Aug 18, 2020
✨ Rob Pike's 5 Rules of #programming

#golang #simplicity

1️⃣ You can't tell where a program is going to spend its time. Bottlenecks occur in surprising places, so don't try to second guess and put in a speed hack until you've proven that's where the bottleneck is.
2️⃣ Measure. Don't tune for speed until you've measured, and even then don't unless one part of the code overwhelms the rest.
Read 7 tweets

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