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Twitpic upload and Tweet

wget download with multiple simultaneous connections

download file1 file2 file3 file4 .... file 100

Apply, in parallel, a bc expression to CSV
Define a function that applies bc, the *nix calculator, with the specified expression to all rows of the input CSV. The first column is mapped to {1}, second one to {2}, and so forth. See sample output for an example. This function uses all available cores thanks to GNU Parallel. Requires GNU Parallel

From Vim, run current buffer in python

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

attach to bash shell in the last container you started

mysql DB size

Encrypted archive with openssl and tar
command to decrypt: $ openssl enc -aes-256-cbc -d < secret.tar.enc | tar x Of course, don't forget to rm the original files ;) You may also want to look at the openssl docs for more options.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously


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