• Linux

Mit dem Tool Etcher kann man sehr einfach ISO Files auf USB Sticks schreiben.

Installation

Debian und Ubuntu based Package Repository (GNU/Linux x86/x64)

Add Etcher debian repository:

echo "deb https://deb.etcher.io stable etcher" | sudo tee /etc/apt/sources.list.d/balena-etcher.list

Trust Bintray.com's GPG key:

sudo apt-key adv --keyserver keyserver.u […]

• EN
• PHP
• Snippets

Q: how to determine the value of the first element of an array if the key is unknown ?

A: make use of the reset command to set the array pointer back to start and to get the value of the array's first element.

// associative array
$aArray = array(
    'foo' => 'bar', 
    'john' => 'doe'
);

// value of array's first element
$mValue = reset($aArray); // bar

// key of array's first element
$mKey = key(reset($aArray […]