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Clemens Schwaighofer gullevek

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@gullevek
gullevek / pgp_gd_transparent_gif_and_png.php
Last active July 30, 2024 09:16
PHP + GD 2.3.3 vs PHP + GD bundles (2.1.0 compatible) gif transparency problem
<?php
// Create transparent gif in certain sizes and print out base64
$gd_version = gd_info()["GD Version"];
// check: bundled -> use a transparency, if not and 2.3.3 or higher, use alternate
$use_imagecolorallocatealpha = true;
if (strstr($gd_version, "bundled") !== false) {
$use_imagecolorallocatealpha = false;
}
@gullevek
gullevek / human_readable_bytes_to_number.js
Last active May 20, 2021 02:09
javascript to convert human readable bytes (eg 10MB) to a number (10,485,760)
/**
* Convert a string with B/K/M/etc into a byte number
* @param {String|Number} bytes Any string with B/K/M/etc
* @return {String|Number} A byte number, or original string as is
*/
function stringByteFormat(bytes)
{
// if anything not string return
if (!(typeof bytes === 'string' || bytes instanceof String)) {
return bytes;
@gullevek
gullevek / file_size_check.sh
Created February 7, 2020 02:32
Loops over files in a folder and checks if they changed. If they stay the same in 3 loops of 5s wait the script will end
#!/bin/bash
folder=${1};
diff=1;
sleeptime=5;
if [ ! -d "${folder}" ]; then
echo "Folder: ${folder} not found";
exit;
fi;
@gullevek
gullevek / filesize_per_year.sh
Created July 6, 2018 01:11
Find files and group the file size sum per year
find ./ -type f -print0 | xargs -0 stat -f '%Sm %z' -t "%Y" | awk 'function human(x) {s=" B KB MB GB TB EB PB YB ZB"; while (x>=1024 && length(s)>1){x/=1024; s=substr(s,4)} s=substr(s,1,4); xf=(s==" B ")?"%d ":"%.2f"; return sprintf( xf"%s", x, s);}{sum[$1]+= $2;}END{for (date in sum){printf ("%s %s\n", date, human(sum[date]));}}' | sort
@gullevek
gullevek / double_byte_string_format.py
Last active December 3, 2022 06:37
Python class to shorten double byte string and set correct adapted format length for output print
#!/usr/bin/env python3
"""
formatting with double width characters
"""
import unicodedata
def shorten_string_cjk(intput_string, width, placeholder='..'):
@gullevek
gullevek / progress_data_import.sql
Last active May 8, 2018 02:48
PostgreSQL function to monitor progress for select -> insert flow
CREATE OR REPLACE FUNCTION copy_progress(from_date DATE, to_date DATE, p_precision INT DEFAULT 1) RETURNS "varchar"
AS $$
DECLARE
status VARCHAR; -- return status
my_rec RECORD; -- transfer record
-- progress info
pos INT := 1; -- current position
row_count INT := 0; -- overall row count (max)
percent NUMERIC; -- output percent
old_percent NUMERIC := 0.0; -- previous percent
@gullevek
gullevek / .vimrc
Created August 20, 2015 08:37
VIM config file
set nocompatible
set hidden " background buffers
set history=1000
set wildmenu " tab complete like bash
" set ignorecase " ignore case for search
" set smartcase " but if capital letter, make case sensitive again
set scrolloff=3 " keep 3 lines before/after
set bs=2 " backspace command, alt: indent,eol,start
set noexpandtab
set tabstop=4
@gullevek
gullevek / query_to_csv.perl
Last active February 18, 2021 02:50
Writes all data from a given query to a csv file. Usefull for reading out large batches of data to avoid memory over usage. Uses async and CURSOR. Python version only uses CURSOR as named cursor and async do not work at the same time.
#!/usr/bin/perl
# AUTHOR: Clemens Schwaighofer
# DATE: 2015/8/6
# DSCRIPTION:
# Runs a query from a file or command line and outputs the data to a CSV file
# Runs query async/and CURSOR
use strict;
use warnings;
@gullevek
gullevek / screen_init.bash
Last active August 29, 2015 14:26
[File will no longer be maintained, use the main git entry: https://github.com/gullevek/scripts/blob/master/screen/screen_init.sh] Helps to init a screen session. Very useful if you have various large ones and want to recreate them after a server reboot.
# Final file has moved into a main GIT:
# https://github.com/gullevek/scripts/blob/master/screen/screen_init.sh
# This file below will no longer be updated.
#!/bin/bash
# AUTHOR: Clemens Schwaighofer
# DATE: 2015/8/4
# DESC: inits a screen with shells (sets titles) and runs command in those shells
# reads all data from a config file
@gullevek
gullevek / progress.pm
Last active August 29, 2015 14:10
perl and python module for progress print out in percent, rows, lines per second, etc
package Progress;
# AUTHOR: Clemens Schwaighofer
# DATE CREATED: 2009/6/16
# DESCRIPTION: progress percent class
# METHODS
# * init
# my $prg = Progress->new();
# will init a new progress class in the var $prg