Trevor‭

Using Vim, I am trying to search for all instances of a specific string, except for those that fall somewhere in between two other specific strings. For example, I want to determine all instances ...

2 answers  ·  posted 3y ago by Trevor‭  ·  last activity 3y ago by Dirk Herrmann‭

Note: I asked this question on TopAnswers a couple weeks ago, but didn't get any response, so I figured I'd ask it here. I am currently learning C++. I have a parent class (Vehicle) and two subc...

1 answer  ·  posted 3y ago by Trevor‭  ·  edited 3y ago by Alexei‭

I am using ANSI escape codes in a shell script to colorize some parts of a string. For example, here I add the text NOTE with a red background color at the end of $var: $ var='test' $ echo $var'...

2 answers  ·  posted 9mo ago by Trevor‭  ·  edited 9mo ago by Alexei‭

I figured out a solution myself. You can use two echo commands to print the two strings separately, where the -n option is used for the first string to prevent the insertion of a trailing newline ...

posted 9mo ago by Trevor‭  ·  edited 9mo ago by Trevor‭

I think I found a solution myself. Instead of using the between() function, you can use the gte() (greater than or equal to) function. So the command above would be: ffmpeg -i video.mp4 -vf "yadif...

posted 3y ago by Trevor‭  ·  edited 3y ago by Trevor‭

Suppose I have the following directory structure: folder/ aaa/ f.txt bbb/ f.txt I want to compare the file f.txt as it is common to both directories. So in zsh I type this: % d...

1 answer  ·  posted 11mo ago by Trevor‭  ·  last activity 9mo ago by Trevor‭

Note: This is a general question about Markdown formatting for any Markdown renderer (e.g., Gitlab, Github, Codidact). So this is not just a question about Codidact's renderer. When displaying she...

2 answers  ·  posted 1y ago by Trevor‭  ·  last activity 12mo ago by bignose‭

I am trying to join some video files and have an issue. I have boiled down the problem to the following minimal working example. I create a 2-second mp4 with a silent audio stream: $ ffmpeg -f l...

0 answers  ·  posted 1y ago by Trevor‭  ·  edited 1y ago by Trevor‭

In zsh, I want to create a function that updates RPROMPT when I have typed cd .. into the terminal. As a starting point, I know I can, for example, add the + character to my RBUFFER when I have typ...

1 answer  ·  posted 8mo ago by Trevor‭  ·  last activity 7mo ago by Trevor‭

I figured out a solution myself. I'm not a zsh expert so this may be improved, but it works. 1) make a custom completion file for the diff command The completion file that zsh uses for the diff ...

posted 9mo ago by Trevor‭  ·  edited 9mo ago by Trevor‭

In Vim command-line mode, I can run :set invnumber to toggle line numbers on/off. Is there a way to run this command using the $ vim --remote-expr {expr} shell command? I know I can do this using $...

1 answer  ·  posted 23h ago by Trevor‭  ·  last activity 16h ago by Derek Elkins‭

In tmux I have the following command in my .tmux.conf, which will save a double-clicked line to the file /tmp/tmux_line.txt: bind-key -n DoubleClick1Pane select-pane \; copy-mode -M \; send-keys -...

0 answers  ·  posted 1y ago by Trevor‭

I would like to have an empty line in the cell of a table in reStructuredText. Consider the following example: .. list-table:: :header-rows: 1 * - aaa - bbb * - ccc - ddd ...

1 answer  ·  posted 1y ago by Trevor‭  ·  last activity 7mo ago by bignose‭

The cause of this problem is that RPROMPT has not yet been set when the self-insert() function is called. So the solution is to define RPROMPT as an empty string (RPROMPT="") somewhere in your .zsh...

posted 7mo ago by Trevor‭

I'm using ffmpeg to apply a filter in between two time points. I am using the between() operator to specify the times. For example, to apply the yadif filter between 30 and 90 seconds I run: ffmpe...

1 answer  ·  posted 3y ago by Trevor‭  ·  last activity 3y ago by Trevor‭