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Install ghostscript from yout terminal : sudo apt install ghostscript, then create file, for example pdf2gray.sh and copy paste the script bellow. Add execution access using chmod +x pdf2gray.sh

#!/bin/bash

gs \
 -sOutputFile=$2 \
 -sDEVICE=pdfwrite \
 -sColorConversionStrategy=Gray \
 -dProcessColorModel=/DeviceGray \
 -dCompatibilityLevel=1.4 \

Ketika ingin mengambil value object dari v-model Vue, kita tidak bisa langsung mengambil variabel/v-model, karena disana ada setter, getter dan property reactive vue lainnya. Berikut beberapa cara yg bisa dipakai, misal nama model disini adalah vueObj atau vm.$data untuk semua object Vue instance

Rekomendasi Evan Yue

JSON.parse(JSON.stringify(vueObj)).

Ada pendapat lain, "It is said that JSON.parse(JSON.stringify()) is a good method in this discussion, but I think that using JSON.stringify is not a good method.

Error semisal: PHP Startup: Unable to load dynamic library

Pastikan Download Apache sudah sesuai versi PHP ( VC15, Win32/64, Apache pilih ThreadSafe/TS )

Download PHP: https://windows.php.net/downloads/releases/
Download Apache: https://www.apachelounge.com/download/ ( download juga Visual C++ Redistributable for Visual Studio 2015-2019 jika belum ada atau terinstall di komputer )

Contoh kombinasi PHP dan Apache, misalnya :

php-7.4.10-Win32-vc15-x64 + httpd-2.4.46-win64-VS16/httpd-2.4.46-win64-VS15
php-7.4.12-Win32-vc15-x86 + httpd-2.4.46-win32-VC16/httpd-2.4.46-win32-VC15

PHPRedis

PHPRedis adalah library php untuk mengakses Redis (key-value memory storage/database), dari sini phpredis

Requirements (Install Redis)

Install Redis melalui source (lebih update), melalui tutorial di DigitalOcean Install Redis from Source, ringkasan installnya sebbagai berikut :

sudo apt update
sudo apt install build-essential tcl
curl -O http://download.redis.io/redis-stable.tar.gz

Here is what I do to remove the validate password plugin:

Login to the mysql server as root mysql -h localhost -u root -p Run the following sql command:

uninstall plugin validate_password;

If last line doesn't work (new mysql release), you should execute

Proses-proses berikut awalnya (utamanya) dijalankan di Ubuntu 20.04 dengan PHP 7.4, tetapi harusnya bisa diterapkan di versi selainnya.

Install Driver PosgreSQL

Install driver PDO PgSQL, Default akan menginstall sesuai versi php, misalnya berikut ini akan install php7.4-pgsql. Setelah install, biasanya langsung aktif tanpa perlu restart php

sudo apt install php-pgsql

	#! /bin/bash

	NOW=$(date +"%F_%H%M%S")
	BACKUP_DIR="/path/to/backup"
	BACKUP_LOG="$BACKUP_DIR/backup-web.log"
	WWW_DIR="/var/www/html"

	webdirs="dir1 dir2 dir3 dir4 dir5"

	function log() {

	[PHP]

	;;;;;;;;;;;;;;;;;;;
	; About php.ini ;
	;;;;;;;;;;;;;;;;;;;
	; PHP's initialization file, generally called php.ini, is responsible for
	; configuring many of the aspects of PHP's behavior.

	; PHP attempts to find and load this configuration from a number of locations.
	; The following is a summary of its search order:

	#
	# This is the main Apache HTTP server configuration file. It contains the
	# configuration directives that give the server its instructions.
	# See <URL:http://httpd.apache.org/docs/2.4/> for detailed information.
	# In particular, see
	# <URL:http://httpd.apache.org/docs/2.4/mod/directives.html>
	# for a discussion of each configuration directive.
	#
	# Do NOT simply read the instructions in here without understanding
	# what they do. They're here only as hints or reminders. If you are unsure

	<!doctype html>
	<title>Site Maintenance</title>
	<style>
	body { text-align: center; padding: 150px; }
	h1 { font-size: 50px; }
	body { font: 20px Helvetica, sans-serif; color: #333; }
	article { display: block; text-align: left; width: 650px; margin: 0 auto; }
	a { color: #dc8100; text-decoration: none; }
	a:hover { color: #333; text-decoration: none; }
	</style>

Ebta Setiawan ebta

PHPRedis

Requirements (Install Redis)

Install Driver PosgreSQL

Install Driver SQL Server