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Savas Vedova
Savas Vedova

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What have you learned this week?

This is a nice question we started to ask in our web guilds every week. So, what have you learned this week? This could be tech related, or something completely different.

For instance, here are a few things I learned this week:

  1. Plankalkül is the first programming language ever written.
  2. You can peer two or more different VPC in AWS, which is pretty cool if you want to access a VPC from another one.

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ferricoxide profile image
Thomas H Jones II
Been using UNIX since the late 80s; Linux since the mid-90s; virtualization since the early 2000s and spent the past few years working in the cloud space.
  • Location
    Alexandria, VA, USA
  • Education
    B.S. Psychology from Pennsylvania State University
  • Work
    Senior Cloud Engineer at Plus3 IT Systems
  • Joined
• Edited on• Edited

That when someone asks you to do network benchmarking and you come back with a bunch ofiperf-based results, they'll likely ask "wtf isiperf and what does it actually tell me" followed by telling you "I need you to find another way to get me those metrics". Which led to finding that I could uselftp'spget functionality to simulate the same kind of multi-streaming activities that iperf gets you ...but only allows it in one direction. Also, if you're fairly thorough, you can uncover asymmetrical routes in a network (because, "huh: when I transfer this 1GiB test file from Colorado to Ohio, I can do it at 200MiB/s but when I transfer it from Ohio back to Colorado, I can only do it at about 7MiB/s").

I discovered yet more reasons to hate RHEL 6 (e.g., that itsiperf3 version is old and broken – such that it won't honor a multi-stream request in client-mode) and wish it a speedier demise than what is already scheduled ...knowing full well that some of my customers' projects will be deploying new, RHEL 6 based solutions right up to (and likely past) the date that Red Hat officially terminates its planned EOL support.

Thatone of my customer's many Active Directory domains forces case-sensitivity when querying for Computer objects ...and that there seems to be damn near to nothing you can do within the client-side search-utility to force a case-insensitive search. Best you can do is either a compound search ...or use post-query processing to case-insensitively find the object you were querying for.

It's been a fun, learning-filled week. :p

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

Well, apparently you learned a lot this week! :)) Thanks a lot for sharing

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nanythery profile image
Nadine M. Thêry
At my 30s I found out that there was a developer inside a Political Science Graduated.I've been COO an CMO for 4 years but I decided to persue my dream and become a Front-end developer:)
  • Location
    Elche, Alicante, Spain
  • Education
    Certificate of Higher Education for Web Applications Development & Degree in Political Science
  • Work
    Front-End Developer at Umamicart Inc
  • Joined

It would be nice to have this question asked every Friday, for instance. Last week I learnt the basics of jQuery. This week so far, I learned how to properly upload images Dev.to. hehe

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

That's pretty cool! Do you like jQuery so far?

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nanythery profile image
Nadine M. Thêry
At my 30s I found out that there was a developer inside a Political Science Graduated.I've been COO an CMO for 4 years but I decided to persue my dream and become a Front-end developer:)
  • Location
    Elche, Alicante, Spain
  • Education
    Certificate of Higher Education for Web Applications Development & Degree in Political Science
  • Work
    Front-End Developer at Umamicart Inc
  • Joined

SinceI started with vanilla JS it definitely makes some things easier. I haven't used it that much, but it looks like it is ok for small projects.

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samba_code profile image
Sam Atkinson
Full stack java/kotlin/react human.
  • Location
    Guildford
  • Work
    Tech Lead at A large bank
  • Joined

This week I've been reading up on a11y a lot. I've learnt that auto focus is (generally) bad as it can be very confusing to a screen reader user when your focus is yanked away. Also, over 97% of screen reader users have javascript enabled.

In non a11y news thanks to the post on here I now know you can style your console.log output. Mind blown

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jhulten profile image
Jeffrey Hulten
Tired of rock-star expectations. Trashing hotel rooms is hard work.
  • Location
    Seattle, WA, USA
  • Pronouns
    he/him
  • Work
    Senior Systems Engineer at Getty Images
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The part that bugs me is the use of a11y itself. It spells ally, which is cool, but screen readers cannot interpret it. So we created a shorthand for accessibility that isn't accessible.

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

That's very nice! React testing library is pretty cool to implement a11y. They force you to write accessible code.

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jckuhl profile image
Jonathan Kuhl
I am a software development engineer in test for Infosys. My job is officially to write automated tests in Selenium Webdriver. I'm also a web developer as a hobbyest
  • Location
    Maine
  • Education
    Daniel Webster College, Perdue Global
  • Work
    .NET developer at Aetna Inc (Infosys)
  • Joined

Got a portion of the way through the Rust guide atrust-lang.org/learn.

Currently at the section on ownership, which sounds like a different take than working directly with things likemalloc or depending on a garbage collector.

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abdurrkhalid333 profile image
Abdur Rehman Khalid
A Senior Computer Science Student, passionate Data Visualization, Data Science, Big Data, Development with Java, Angular, and React.Js.
  • Location
    Lahore
  • Education
    MS Computer Science
  • Work
    Senior Computer Science Student
  • Joined

Nothing Special Because You Know that Mine Final Examinations are near so don't want to loose my focus from the exams, but YES! there is something I learned thatModels byMark Manson very amazing book and hmmm every guy should read it. It made me learn many new things.

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nagywesley profile image
Nagy Wesley
  • Joined

Well since I'm working on a side project using React & NodeJS I've learned:

  1. res.send doesn't return, coming from the PHP world I thought thatres.send should be placed at the end of the function... however, this isn't a necessity with NodeJS.
  2. the proper usage of React Hooks.
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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

I love React Hooks! They're pretty cool.

Btw, I created a tool to host React and NodeJS apps. It's actually designed to help frontend developers. I'd love if you could check, give feedback and eventually use it :) You can check it outhere. Cheers!

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gvetri profile image
Giuseppe Vetri
Android developer
  • Location
    Madrid
  • Work
    Android Developer
  • Joined

I learned about Dart and personal finances 🎯

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

Good one! I have little knowledge about both :D

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

Oh and another thing I've learnt - and did that the hard way - was to never return an Int64 value in a JSON response. Javascript can handle numbers between -(253 - 1) and 253 - 1, so in the frontend they will be truncated.Cast to string instead.

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Ross Henderson
Oracle, APEX, .Net, Xamarin.Forms, Flutter, Scrum Master, Musician, Dog Loverhttps://www.littlevictories.app/
  • Location
    UK
  • Work
    Software Engineer
  • Joined

If you're in a field for a music festival for the week, and the forecast is rain, invest in a good tent.

There's a pearl of transferable wisdom here I think: P

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ferricoxide profile image
Thomas H Jones II
Been using UNIX since the late 80s; Linux since the mid-90s; virtualization since the early 2000s and spent the past few years working in the cloud space.
  • Location
    Alexandria, VA, USA
  • Education
    B.S. Psychology from Pennsylvania State University
  • Work
    Senior Cloud Engineer at Plus3 IT Systems
  • Joined

Similarly (but in May), I learned that the 7-day weather forecasts are a lot more accurate than the 3-day forecasts were when I was a kid (in the 70s). When we caught our flight to Vegas, the 7-day forecast was saying "windy and in the 50s (F) at night" ...yet I chose to attend a 3-day dusk-to-dawn rave in the same clothes I'd have worn had the forecast been for overnight lows in the 80s.

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

Yeah, I'm happy to see people commenting! I hope you didn't have to learn it the hard way :P

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Elizabeth Villalejos
["Full-stack web dev", "Chihuahua Mom🐶", "Currently Looking for Dev Role"]
  • Location
    Mex
  • Education
    Microverse
  • Joined

I coded along a Gatsby tutorial and React componentsblew my mind. (I've only used vanilla JS before) Got really excited about learning it!

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svedova profile image
Savas Vedova
I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

Gatsby is cool! Pretty easy to follow.

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I am a fullstack developer specialized in frontend technologies like reactjs. I also love programmimg in go. Currently im working on https://stormkit.io to make developers lives easier.
  • Location
    Zurich, Switzerland
  • Joined

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