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Android User Help

How do I preserve the IPv4 option in APN?

At home, I’m using IPv4 DNS servers, which causes problems with a new Android 10 device. With the default options, the browser and most applications which need to access the Internet just hang for about half a minute, and only then proceed with the request. I found that I have to set APN protocol option […]

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Ask Chemistry

What is the safe level of energy output for hydrogen combustion at home?

With confinement, my son would like to do some home experiments for a class. So far, he has a good setup that seems sound for the electrolysis of water. A later part of the experiment would combine back the $\ce{O2}$ and $\ce{H2}$ to get back water vapour. What amount of atmospheric pressure $\ce{H2}$ and $\ce{O2}$ […]

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Ask Chemistry

What is the safe level of energy output for a home experiment, hydrogen combustion (2 H2 + O2 -> 2 H20)

With confinement, my son would like to do some home experiments for a class. So far, he has a good setup that seems sound for the electrolysis of water. A later part of the experiment would combine back the O2 and H2 to get back water vapour. What amount of atmospheric pressure H2 and O2 […]

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Mastering Development Software

Key skills to develop a home backend project

In your understanding, what are the key skills for building a application , at home, from scratch, for learning purposes? Allow me to explain: I have a small background as a Php developer and I want to move to the .NET ecosystem. I’m kinda confused about where to start from since we have loads of […]