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On-Call Wellness: Protecting Your Engineers from Burnout
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DEV Community · Technology

On-Call Wellness: Protecting Your Engineers from Burnout

The On-Call Burnout Epidemic I watched three senior SREs leave our team in six months. Exit interviews all said the same thing: on-call was unsustainable. We were spending $500K+ recruiting replacements for a problem that could have been fixed with $0 and better practices. The...

Samson Tanimawo
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#beginners #sql #machinelearning #100daysofcode
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DEV Community · Technology

#beginners #sql #machinelearning #100daysofcode

Apr 15, 2026 · Day 4 of 30 Day 4: I wrote my first SQL queries today and suddenly data feels a lot more accessible I took a small detour from Python today but an important one. I wrote my very first SQL queries. I know what you might be thinking: isn't this an ML journey? Yes. But data for ML has...

Kanishka Shrivastava
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Senior Developers Collect Mistakes. Junior Developers Erase Them.
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DEV Community · Technology

Senior Developers Collect Mistakes. Junior Developers Erase Them.

There's a moment every junior developer knows. You open a pull request. You see a comment. Your stomach drops — not because the feedback is wrong, but because someone saw it. Most junior developers respond by working twice as hard to make sure it never happens again. That instinct feels correct....

dev koan
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I built a browser-based proof-of-presence tool
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DEV Community · Technology

I built a browser-based proof-of-presence tool

Six months of tinkering produced IRLid — two people meet, scan each other's QR codes, get a cryptographically signed receipt proving co-location within 12 metres. No app, no accounts, no biometrics, no central server. Just ECDSA P-256 and a bit of GPS, running entirely in the browser via Web Crypto...

BunHead
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First Post on DEV — A Quick Hello
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DEV Community · Technology

First Post on DEV — A Quick Hello

This is my first article on DEV.to, and I’m excited to share my learning journey here. I’m a Senior SDET with 9 years of experience in software testing and quality engineering, and I’ve recently started learning how machine learning and AI systems are built, deployed, and tested. Through this series...

Hemalatha Nambiradje
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Are ClickHouse JOINs Slow? A 2026 PR-by-PR Analysis
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DEV Community · Technology

Are ClickHouse JOINs Slow? A 2026 PR-by-PR Analysis

TL;DR The narrative that "ClickHouse can't do JOINs" is outdated by four years and 50+ merged PRs. From 2022 to 2026, ClickHouse's join subsystem was rebuilt from the ground up, and the evidence is in the commit history. We analyzed 50+ GitHub pull requests, official ClickHouse changelo...

Manveer Chawla
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Suspicion surrounds death of US influencer Ashly Robinson in Zanzibar
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The Guardian · World

Suspicion surrounds death of US influencer Ashly Robinson in Zanzibar

Lifestyle influencer died while on vacation with boyfriend, who local officials say has since had his passport ‘withheld’Ashly Robinson, a US lifestyle influencer, died last week while on vacation in the Tanzanian islands of Zanzibar with her boyfriend, Joe McCann. Robinson’s death on 9 April, just...

Adria R Walker
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Have you started yet, Bobby?!
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DEV Community · Technology

Have you started yet, Bobby?!

This blog has been a long time coming. I know the irony in that phrasing, but it's true. For those of you who don't know me, I'm Bobby Rivera. I've been a web developer since 2018, and, like other devs, I have a long list of side projects I've been wanting to work on for a while. I've even gotten a...

Bobby Rivera
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Big US banks rake in near $50bn profit as Iran war shakes markets
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The Guardian · World

Big US banks rake in near $50bn profit as Iran war shakes markets

Six lenders, including Bank of America, Morgan Stanley and JP Morgan report jump in first-quarter earningsBusiness live – latest updatesBig US banks raked in nearly $50bn (£37bn) worth of profits in the first three months of the year, as they benefited from stock market turbulence triggered by the U...

Kalyeena Makortoff
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NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X
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NASA Breaking News · Science

NASA’s SPHEREx Mission Maps Water Ice Throughout Cygnus X

Description An observation made by NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) shows the chemical signatures of water ice (shown in bright blue) and polycyclic aromatic hydrocarbons (orange) in Cygnus X, one of the most active and tur...

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South Africa names apartheid-era negotiator as ambassador to US
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The Guardian · World

South Africa names apartheid-era negotiator as ambassador to US

Appointment of Roelf Meyer seen as attempt to improve relations amid false US accusations of ‘white genocide’South Africa has appointed a former apartheid government chief negotiator during the talks that ended white rule in the 1990s as ambassador to the US, in what is seen as an attempt to improve...

Rachel Savage in Johannesburg
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‘Interstellar Glaciers’: NASA’s SPHEREx Maps Vast Galactic Ice Regions
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NASA Breaking News · Science

‘Interstellar Glaciers’: NASA’s SPHEREx Maps Vast Galactic Ice Regions

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) mission has mapped interstellar ice at an unprecedented scale. Covering regions in our Milky Way galaxy more than 600 light-years across, the ice was found inside giant molecular clouds — va...

scarney1
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MAGA Is Starting to Look Beyond Trump
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Wired · Technology

MAGA Is Starting to Look Beyond Trump

A seemingly endless torrent of criticism directed toward Trump from former MAGA allies suggests the president is losing support from his base.

David Gilbert
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Trump threatens to fire Fed chair Jerome Powell amid pressure campaign
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The Guardian · World

Trump threatens to fire Fed chair Jerome Powell amid pressure campaign

US president says he has ‘held back’ on firing the head of the Federal Reserve leading up to end of Powell’s term in MaySign up for the Breaking News US email to get newsletter alerts in your inboxDonald Trump threatened to fire Jerome Powell if he stays on as US Federal Reserve chair past the end o...

Lauren Aratani in New York
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