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-- Import(FROM) / Export(TO) CSV file from/into a table | |
-- Ref: https://www.postgresql.org/docs/current/sql-copy.html | |
-- If processing all columns, no need column specification | |
-- If CSV file don't include header, remove 'HEADER' from below query | |
-- For Export, can also specify Query, instead of Table & Column name | |
COPY table_name (column_1, column_2, column_3, column_5) | |
[FROM/TO] 'csv_file_location' DELIMITER ',' CSV HEADER QUOTE '"' ESCAPE '"' | |
-- Dump database on remote host to file | |
-- Ref: https://www.postgresql.org/docs/current/app-pgdump.html |
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# Path to your oh-my-zsh installation. | |
export ZSH=/Users/SumonMSelim/.oh-my-zsh | |
# Set name of the theme to load. | |
ZSH_THEME="powerlevel9k/powerlevel9k" | |
POWERLEVEL9K_MODE="awesome-fontconfig" | |
# User configuration | |
export TERM="xterm-256color" | |
export SHELL="/bin/zsh" |
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-- Create a group | |
CREATE ROLE readaccess; | |
-- Grant access to existing tables | |
GRANT USAGE ON SCHEMA public TO readaccess; | |
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readaccess; | |
-- Grant access to future tables | |
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readaccess; |
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/** | |
* Convert an image | |
* to a base64 url | |
* @param {String} url | |
* @param {Function} callback | |
* @param {String} [outputFormat=image/png] | |
*/ | |
function convertImgToBase64URL(url, callback, outputFormat){ | |
var img = new Image(); | |
img.crossOrigin = 'Anonymous'; |
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<?php | |
ini_set('max_execution_time', 0); | |
ini_set('memory_limit', -1); | |
$host = 'google.com'; | |
$ports = array(21, 25, 80, 81, 110, 143, 443, 587, 2525, 3306); | |
foreach ($ports as $port) | |
{ | |
$connection = @fsockopen($host, $port, $errno, $errstr, 2); |