by Yurui Zhang (@yuruiology) Last updated: Jan 13, 2020
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| tail -f ~/Library/Application\ Support/Postgres93/var/pg_log/* |
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| scp -r [!.]* username@server:/path/to/destination/folder |
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| awk -F, 'NR==1{hdr=$0;next}!($5 in files){files[$5]=1;print hdr >$5".csv"}{print>$5".csv”}’ input.csv |
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| create or replace function | |
| count_rows(schema text, tablename text) returns integer | |
| as | |
| $body$ | |
| declare | |
| result integer; | |
| query varchar; | |
| begin | |
| query := 'SELECT count(1) FROM ' || schema || '.' || tablename; | |
| execute query into result; |
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| =Navigating= | |
| visit('/projects') | |
| visit(post_comments_path(post)) | |
| =Clicking links and buttons= | |
| click_link('id-of-link') | |
| click_link('Link Text') | |
| click_button('Save') | |
| click('Link Text') # Click either a link or a button | |
| click('Button Value') |
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| bundle install --path .bundle --binstubs .bundle/bin |