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I have a MacBook Pro now, courtesy of my new employer, but it only has four USB-C ports and nothing else, so none of my existing hardware could connect to it.

I bought a Microsoft Bluetooth mouse, a no-name USB-C to HDMI cable to connect my HP monitor, and a Logitech wireless ( Read more... )

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I have moved my blog to DigitalOcean platform: they provide a decent virtual server for $5/month, with static IP address to boot. It’s all highly scientific now: I have moved everything to Docker, and I have a script that installs the blog on a new machine within minutes. BTW, ( Read more... )

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I am moving my web site to docker, and I need to be able to send emails using a GMail account. GMail is limited to 500 emails a day, but that’s more than enough for my modest operations at this stage.
No separate container for email

In a “docker spirit” I tried to create a ( Read more... )

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A docker containing not running anything particular in the foreground will exit immediately after start.

Specifying /bin/sh as the startup command does not help. Some Internet sources suggest tail -f /dev/null, and it works, but such container cannot be stopped gracefully. The ( Read more... )

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During my trip abroad, I tried to use my credit card to make an online purchase, but the payment did not go through, it required a verification code sent to me via SMS. I was unable to receive the SMS, because it was sent to my US cell number, but my phone was switched to a ( Read more... )

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Web sockets were invented to push data from web server to clients. So, one would expect that sending data to a web socket would look something like this:

void OnNewDataReady(string data) {   webSocket.SendAsync(data); // does not work as expected }
Unfortunately, this does not ( Read more... )

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I noticed that whenever I pressed arrow keys on the keyboard, my mouse cursor moves in funny ways. This felt quite creepy, as if some software was trying to intercept my keyboard input, and in fact this is exactly what happened. However, the evil hacker software turned out to be ( Read more... )

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In the beginning, Brian and Dennis created C, and C had the void keyword, and Brian and Dennis saw that this is good. It all went downhill from there.

In C, void is not a data type, it is a keyword that denotes absence of return value or input parameters. Another usage of void ( Read more... )

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This feature has apparently existed for years, but I found out only now. CLR has an equivalent of HTTP redirect for types, it is called You can move a class from one assembly to another, it is called TypeForwardedTo attribute.

If type T has been moved from assembly A to assembly ( Read more... )

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I was experimenting with creating new projects out of templates in VS 2019, and to my surprise ran into a lot of trouble and error messages.

One time it told me Docker Desktop is not installed (it was) and insisted on installing it. The other time it told me it cannot debug the ( Read more... )