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nginx

Blank browser tabs with HTTP2

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I was reconfiguring a nginx server to add HTTP2 support with ALPN plus add some updates to its Content Security Policy. Everything worked fine when testing and troubleshooting with Chrome. However, I ran into some problems once I tried the new changes with both Firefox and Edge as nothing rendered in the browser tabs!

A check of the Network Developer Tools showed a request header sent by Firefox, but no data was receiving. Edge and Internet Explorer are polite enough to give me an error message to help troubleshoot. But it is so generic that it doesn’t help.

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dos pcem

PCem

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PCem is an IBM PC emulator for Windows and Linux released under a GPL license. Unlike other solutions, such as DOSBox or SCUMM, it doesn’t simulate an operating system or game environment. It is a classic emulator designed to emulate 8/16/32-bit x86 hardware used by IBM and other clone manufactures. Therefore, it requires the originals of the machine BIOS and compatible operating system to work.

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linux windows wsl

Run Ubuntu Linux and Bash on Windows 10

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As of release July 2016, Windows 10 includes the ability for desktop users to install and run a copy of Ubuntu terminal from within Windows! Officially called the Windows subsystem for Linux it usually goes by a slightly more memorable name of Bash on Ubuntu on Windows.

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JS

Assignment to read-only properties is not allowed in strict mode

Using JavaScript to apply CSS to Internet Explorer/Edge returns ‘Assignment to read-only properties is not allowed in strict mode’

I encountered a silly mistake on my behalf the other day when programming some JavaScript DOM. This simple JS code to apply a style to an HTML element works fine in Chrome and Firefox. But breaks in Microsoft’s Edge and Internet Explorer with the following error.

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