[Docker] how to solve 'VOLUME: not found' or 'COPY: not found'

If you receive a "/bin/sh: COPY: command not found" (or VOLUME) error, you should check that previous Dockerfile line is closed properly. For example, if you have similar like below,

RUN set -eux; \
   apk add --no-cache --virtual .build-deps \
      git \
   ;

do not forget to enclose your line with \ and ; symbols.

[Linux] another way to fix Jetbrains Russian layout hotkeys

If you cannot use Jetbrains phpstorm/idea hotkeys with Russian layout on Ubuntu, try to install KDE instead of GNOME, because this issue doesn't appears in Kubuntu.

How to debug FormData object

If your FormData object named as formData in code, you can debug it with Array.from(formData.entries())

[Ethereum] [Mist] geth runtime error: invalid memory address or nil pointer dereference

If you often receive mentioned error,  delete ~.config/Mist/mist.lokidb file on Linux at closed Mist client.