Welcome to Software Development on Codidact!
Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.
Activity for Trevorâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Edit | Post #293865 |
Post edited: grammar |
— | 12 days ago |
| Edit | Post #293865 | Initial revision | — | 13 days ago |
| Answer | — |
A: how to apply ANSI escape codes when a backslash precedes the escape code 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 at the end: ```shell $ var='test\' $ echo -n $var; echo '\e[41mNOTE\e[0m' ``` (more) |
— | 13 days ago |
| Edit | Post #293864 | Initial revision | — | 13 days ago |
| Question | — |
how to apply ANSI escape codes when a backslash precedes the escape code I am using ANSI escape codes in a shell script to colorize some parts of a string. For example, here I add the text `NOTE` with a red background color at the end of `$var`: ```shell $ var='test' $ echo $var'\e41mNOTE\e[0m' ``` ![good output This works as intended. However, if `$var` has a b... (more) |
— | 13 days ago |
| Edit | Post #293744 |
Post edited: |
— | 28 days ago |
| Edit | Post #293744 |
Post edited: |
— | 30 days ago |
| Edit | Post #293744 |
Post edited: |
— | 30 days ago |
| Edit | Post #293744 | Initial revision | — | 30 days ago |
| Answer | — |
A: zsh - autocomplete with braces in the middle of a directory 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` command is called `diff`. On my computer, this file is located at `/usr/share/zsh/functions/Compl... (more) |
— | 30 days ago |
| Edit | Post #293473 | Initial revision | — | 3 months ago |
| Question | — |
zsh - autocomplete with braces in the middle of a directory Suppose I have the following directory structure: ```txt 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: ```console % diff folder/{aaa,bbb}/ ``` Pleasingly, zsh autocompletes both the `aaa` and `b... (more) |
— | 3 months ago |
| Edit | Post #293085 | Initial revision | — | 5 months ago |
| Question | — |
how to save the line number of a double-clicked line in tmux In tmux I have the following command in my `.tmux.conf`, which will save a double-clicked line to the file `/tmp/tmuxline.txt`: ```tmux bind-key -n DoubleClick1Pane select-pane \; copy-mode -M \; send-keys -X select-line \; send-keys -X copy-pipe-and-cancel "cat > /tmp/tmuxline.txt" ``` Is there ... (more) |
— | 5 months ago |
| Edit | Post #293072 | Initial revision | — | 5 months ago |
| Question | — |
how do I get markdown to render # as a shell prompt and not a comment? 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 shell commands in Markdown, I often want to use the hash sign (`#`) to indicate that I am running the com... (more) |
— | 5 months ago |
| Edit | Post #292973 |
Post edited: |
— | 6 months ago |
| Edit | Post #292973 | Initial revision | — | 6 months ago |
| Question | — |
empty line in table cell in reStructuredText (rst) 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 eee ``` Which produces this table: original rst table But I would like there to be an em... (more) |
— | 6 months ago |
| Comment | Post #291820 |
Yeah this community might not be a perfect fit for this question, but it was the closest I could find out of all the Codidact & TopAnswers communities (I'm trying to avoid StackExchange). Since ffmpeg is multi-platform, I figured Linux wasn't the right community. (more) |
— | 11 months ago |
| Edit | Post #291820 |
Post edited: |
— | 11 months ago |
| Edit | Post #291820 | Initial revision | — | 11 months ago |
| Question | — |
ffmpeg - concatenating identical audio-only files results in "non-montonic DTS" warning 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 lavfi -i anullsrc -c:a aac -t 2 a.mp4 ``` I then create a file containing the file names to be con... (more) |
— | 11 months ago |
| Comment | Post #287851 |
Thank you for the suggestion (more) |
— | over 2 years ago |
| Edit | Post #287851 |
Post edited: |
— | over 2 years ago |
| Edit | Post #287851 | Initial revision | — | over 2 years ago |
| Question | — |
How to define an object with different subclasses in an if-statement? 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 subclasses (Car and Boat). I am wondering how to create an object that will either be Car or Boat, depen... (more) |
— | over 2 years ago |
| Edit | Post #286959 |
Post edited: |
— | over 2 years ago |
| Edit | Post #286959 | Initial revision | — | over 2 years ago |
| Answer | — |
A: ffmpeg: apply a filter from a start time to the end of the video 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:enable='gte(t,30)'" output.mp4 ``` I discovered this command by looking through the FFmpeg U... (more) |
— | over 2 years ago |
| Edit | Post #286958 | Initial revision | — | over 2 years ago |
| Question | — |
ffmpeg: apply a filter from a start time to the end of the video 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: ``` ffmpeg -i video.mp4 -vf "yadif:enable='between(t,30,90)'" output.mp4 ``` However, I want to specif... (more) |
— | over 2 years ago |
| Edit | Post #286570 |
Post edited: made first sentence a little more specific |
— | almost 3 years ago |
| Edit | Post #286570 | Initial revision | — | almost 3 years ago |
| Question | — |
Vim: how to search for all instances of a string, except for those that are between two specific strings 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 of `bird`, except for those that fall somewhere between `abc` and `xyz`. So in the text below, a succe... (more) |
— | almost 3 years ago |