dungdt88

setfacl -R -m u:apache:rwX -m u:`whoami`:rwX app/cache app/logs
setfacl -dR -m u:apache:rwx -m u:`whoami`:rwx app/cache app/logs

dungdt88

<?php
function name2Slug($name, $separator = '-', $maxLength = 40)
{
    $url = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $name);
    $url = trim(substr(strtolower($url), 0, $maxLength));
    $url = preg_replace('/[^a-z0-9-]/', '-', $url);
    $url = preg_replace('/'.$separator.'+/', '-', $url);
    
    return $url;
}

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insufficient[degs_, edgelist_, donelist_] := Catch[Module[
   {j, k, n = Length[degs], diff},
   For[j = 1; j <= n, j++,
    If[degs[[j]] == 0, Continue[]];
    diff = degs[[j]] - Length[Union[donelist, edgelist[[j]]]];
    If[diff <= 0, Throw[True]];
    ];
   False
   ]]

dungdt88

# On Client
## Generate Key
ssh-keygen -t rsa {-b 4096}

## Copy identity to remote-host (requires remoteuser's password)
ssh-copy-id -i <path/to/public/key> <remoteuser>@<remotehost>

## or just copy the content of file ~/.ssh/id_rsa.pub on Client to the end of file ~/.ssh/authorized_keys on Server

## SSH

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import java.util.Random;

public class HelloWorld {
     public static void main(String[] args) {
        System.out.println(randomString(-229985452) + " " + randomString(-147909649));
     }
     
    public static String randomString(int i) {
        Random ran = new Random(i);
        StringBuilder sb = new StringBuilder();

dungdt88

sudo service mysql stop  #or mysqld
sudo killall -9 mysql
sudo killall -9 mysqld
sudo apt-get remove --purge mysql-server mysql-client mysql-common
sudo apt-get autoremove
sudo apt-get autoclean
sudo deluser mysql
sudo rm -rf /var/lib/mysql
sudo apt-get purge mysql-server-core-5.5
sudo apt-get purge mysql-client-core-5.5

dungdt88

ALTER TABLE `{some_table}` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;

ALTER TABLE `{some_table}` CHANGE COLUMN `{some_column}` `{some_column}` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci DEFAULT NULL;

dungdt88

## Add openjdk PPA
sudo add-apt-repository ppa:openjdk-r/ppa

## Update the repo
sudo apt-get update

## Install openjdk-8-jdk
sudo apt-get install openjdk-8-jdk

## Set the default Java

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## Remove all stopped containers
docker rm $(docker ps -a -q)

## Remove images with <none> tag
docker rmi $(docker images | grep "^<none>" | awk "{print $3}")

## Stats of all containers
docker stats $(docker ps | awk '{if(NR>1) print $NF}')

## Allow a user to use docker

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In this guide, you will learn how to change the default docker bridge network's subnet to 10.11.12.0/24 on Ubuntu

Docker-engine's default options

Docker creates a bridge called docker0 with a default ip address of 172.17.0.1.

On Ubuntu the configuration file is located at:

/etc/default/docker