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Restarting Firefox in 2019

September 20, 2019September 20, 2019 Peter JaricUncategorized

There once was a simple Firefox plugin that added a Restart option to the File menu, but at some point it stopped working. Today I discovered that there is a built-in restart option. Just go to about:profiles and there it […]

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Missing files in local OneDrive folder – how to restore them

August 1, 2018 Peter JaricConfiguration

Today things started acting up on my computer, and I traced the cause to missing files in my OneDrive folder, where I keep some configs files, like for example .bashrc. A lot of files were missing, and naturally I was […]

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Mathemancy.js – a Framework for Natural Language Arithmetic in JavaScript

November 24, 2016November 25, 2016 Peter JaricProgramming

A while ago, while I was riding my bike to work, I thought: “Would it possible to make one.plus.two.times.three evaluate to 7 in JavaScript?” I wanted to see if it was possible, and with some invaluable help from Mathias Bynens […]

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7 Reasons Why You Should Become a Bug Bounty Hunter

September 21, 2016September 22, 2016 Peter JaricUncategorized

A while back, Gregoire Gilbert and Johannes Ridderstedt (then Lundberg) of the Uppsala Tech community asked me if I could write an article about bug bounty hunting for their upcoming magazine The Uppdate. Its first issue is now available at […]

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Eclipse on a high DPI display (in Windows)

December 18, 2015December 18, 2015 Peter JaricConfiguration

My work laptop is a Dell XPS 15 running Windows 10 with a high resolution display (3840×2160). Since everything becomes so small when using standard 100% zoom I have enabled a custom scaling factor (it says 350% in the settings, […]

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An Øredev 2015 summary – Swedish only

November 12, 2015August 18, 2017 Peter JaricUncategorized

This is a report about Øredev 2015 that I posted on my employer’s intranet. Due to the huge demand I asked if I could publish it on the internet. Unfortunately it is available in Swedish only. I våras råkade jag […]

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The First JavaScript Misdirection Contest

September 27, 2015September 28, 2015 Peter JaricUncategorized

Finally we have a winner! But first, some background. One month ago, on the 29th of August, I announced the JavaScript Misdirection Contest: There is a programming contest called The Underhanded C Contest. In their own words, it is “an […]

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Crashing Skype with a Malicious URL

March 25, 2015March 26, 2015 Peter JaricSecurity

Some time ago I noticed that it is possible to create Skype links for starting a chat with your account. This is how one of these URIs would look: skype:#accountname/$*T;somenumber?chat I started to play around with this and soon noticed […]

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Using window.onerror to Brute-force Cross Domain Data (updated)

November 13, 2014November 14, 2014 Peter JaricProgramming, Security

Update: If you haven’t read the post before, please read the original post below. I got a lot of interesting comments on Twitter about this post, and among them the obvious problem that this approach is slow. Then it hit […]

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A JavaScript challenge for Nordic.js

September 19, 2014November 2, 2014 Peter JaricProgramming

Today and yesterday I’ve been visiting Nordic.js, a Scandinavian JavaScript conference. To celebrate the occasion I made a little JavaScript challenge that I announced at Twitter: I had a specific solution in mind, which I didn’t receive, but I got […]

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