barthelemypousset
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| ## Python datatypes: | |
| get a datatype: `type(object)` | |
| get id of object: `id(object)` | |
| ### immutable: | |
| int: 42 | |
| float: 4,2 | |
| str: "hello world" | |
| bool: True/False | |
| tuple: ("hello","world") |
barthelemypousset
/ Useful Tips
Last active
June 18, 2019 08:54
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| Show build history of an image: | |
| docker history --format "Date: {{.CreatedSince}}\nCommand: {{.CreatedBy}}\nSize: {{.Size}}\n" --no-trunc decastore-build-tools | |
| Reduce filesize: | |
| Tail -c 100000000 file.original > file.light; chown --reference=file.original file.light; rm file.original | |
| Remove file older than 40 days: | |
| find /path/to/files* -mtime +40 -exec ls {} \; | |
| Save a file in VI without beeing logged as root (must have sudo rights): |