This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.
To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
lpimem
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| // Usage: | |
| // Copy and paste all of this into a debug console window of the "Who is Hiring?" comment thread | |
| // then use as follows: | |
| // | |
| // query(term | [term, term, ...], term | [term, term, ...], ...) | |
| // | |
| // When arguments are in an array then that means an "or" and when they are seperate that means "and" | |
| // | |
| // Term is of the format: | |
| // ((-)text/RegExp) ( '-' means negation ) |
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| #include <sys/socket.h> | |
| #include <sys/ioctl.h> | |
| #include <sys/kern_event.h> | |
| #include <stdio.h> | |
| #include <stdint.h> | |
| #include <stdbool.h> | |
| #include <stdlib.h> | |
| #include <assert.h> | |
| #include <string.h> | |
| #include <net/ethernet.h> |
dergachev
/ GIF-Screencast-OSX.md
Last active
October 31, 2025 16:45
OS X Screencast to animated GIF
earthgecko
/ bash.generate.random.alphanumeric.string.sh
Last active
December 9, 2025 15:27
shell/bash generate random alphanumeric string
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| #!/bin/bash | |
| # bash generate random alphanumeric string | |
| # | |
| # bash generate random 32 character alphanumeric string (upper and lowercase) and | |
| NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
| # bash generate random 32 character alphanumeric string (lowercase only) | |
| cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1 |