Problem of control of the vertices

[MikeWayzovski]

[How to] Post correctly formatted and colorized code on the forum?

Continuing the discussion from Ruby backtick returns nothing!: Triple backtick delimiter lines. What is a backquote ? [image] Backquote character key on US keyboard. If it is error message text (or some other plain text that contains <, >, #, or other characters that can confuse Discourse markdown,) then specify “text” as a lexing language: ```text paste error message here ``` If it is Ruby, then: ```ruby # code here ``` If it is Javascript, then: ```javascript /* js…