# $n - номер необходимой строки
head -$n file | tail -1;db
username
db_passsudo mysqldump -u`head -2 file | tail -1` -p`head -3 file | tail -1` `head -1 file | tail -1`> $database.sql
<link href="style.php?color=f00c" rel="stylesheet" type="text/css"><?php
$color = ( isset($_GET['color']) && filter_var($_GET['color'], FILTER_FLAG_ALLOW_HEX) === false )
? $_GET['color']
: '000'
;
?>
.block {color:#<?=$color?>}
var $nav_child = $('#mainmenu .parent .nav-child');
$('#mainmenu .parent').hover(
function() {
$nav_child.stop().slideDown(500);
}, function() {
$nav_child.stop().slideUp(500);
}
);
jQuery.fn.extend({
equalHeights: function() {
var maxHeight = 0;
for (var i = 0; i < this.length; ++i) {
if (maxHeight < this.eq(i).height()) {
maxHeight = this.eq(i).height();
}
}
for (var i = 0; i < this.length; ++i) {
this.eq(i).height(maxHeight);
};
return this;
}
});
<button>Воспроизведение</button>
$('#player').on('play', function() {
//Меняем текст кнопки на "Пауза"
});
$('#player').on('pause', function() {
//Меняем текст кнопки на "Воспроизвести"
});if($('#player').paused) {
$('#player').play();
} else {
$('#player').pause();
}
$(document).ready(function(){
$(window).scroll(function(){
var headerHeight = $('.slider').height();
if ($(this).scrollTop() >headerHeight) {
$('.header').addClass("fixed");
} else {
$('.header').removeClass("fixed");
}
});
});.fixed {
position:fixed;
top: 0;
left: 0;
right: 0;
}
Note: This method signature was deprecated in jQuery 1.8 and removed in jQuery 1.9. jQuery also provides an animation method named .toggle() that toggles the visibility of elements. Whether the animation or the event method is fired depends on the set of arguments passed.
<div class="block block--mod">
<div class="block__elem block__elem--mod"></div>
<div class="block__elem block__elem--mod"></div>
</div>