Tag Archive for keyword

Which Search Engine is referring users to your site. Displays the keyword used.

if ((isset($_SERVER['HTTP_REFERER'])) and ($_SERVER['HTTP_REFERER']!= '')) {
$keywords = "";
$url = urldecode($_SERVER['HTTP_REFERER']);

// Google
if (eregi("www.google",$url)) {
preg_match("'(?¦&)q=(.*?)(&¦$)'si", " $url ", $keywords);
$search_engine = 'Google';
}

// Yahoo
if ((eregi("yahoo.com",$url)) or (eregi("search.yahoo",$url))) {
preg_match("'(?¦&)p=(.*?)(&¦$)'si", " $url ", $keywords);
$search_engine = 'Yahoo';
}

// MSN
if (eregi("search.msn",$url)) {
preg_match("'(?¦&)q=(.*?)(&¦$)'si", " $url ", $keywords);
$search_engine = 'MSN';
}

// AllTheWeb
if (eregi("www.alltheweb",$url)) {
preg_match("'(?¦&)q=(.*?)(&¦$)'si", " $url ", $keywords);
$search_engine = 'AllTheWeb';
}

// Looksmart
if (eregi("looksmart.com",$url)) {
preg_match("'(?¦&)qt=(.*?)(&¦$)'si", " $url ", $keywords);
$search_engine = 'Looksmart';
}

if (($keywords[2]!= '') and ($keywords[2]!= ' ')) {
$keywords = preg_replace('/"¦'/', '', $keywords[2]); // Remove quotes
}
echo $keywords;
echo $search_engine;
}

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Command shortform

svn st = svn status
svn ci = svn commit
svn up = svn update
svn di = svn diff
svn co = svn checkout
svn mv = svn move
svn cp = svn copy
svn rm = svn delete
svn ls = svn list
svn h  = svn help

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Tag Cloud in Ruby

def font_size_for_tag_cloud( total, lowest, highest, options={} )
return nil if total.nil? or highest.nil? or lowest.nil?
#
# options
maxf = options.delete( :max_font_size ) || 14
minf = options.delete( :min_font_size ) || 11
maxc = options.delete( :max_color ) || [ 0, 0, 0 ]
minc = options.delete( :min_color ) || [ 156, 156, 156 ]
hide_sizes = options.delete( :hide_sizes )
hide_colours = options.delete( :hide_colours )
#
# function to work out rgb values
def rgb_color( a, b, i, x)
return nil if i <= 1 or x <= 1
if a > b
a-(Math.log(i)*(a-b)/Math.log(x)).floor
else
(Math.log(i)*(b-a)/Math.log(x)+a).floor
end
end
#
# work out colours
c = []
(0..2).each { |i| c << rgb_color( minc[i], maxc[i], total, highest ) || nil }
colors = c.compact.empty? ? minc.join(',') : c.join(',')
#
# work out the font size
spread = highest.to_f - lowest.to_f
spread = 1.to_f if spread <= 0
fontspread = maxf.to_f - minf.to_f
fontstep = spread / fontspread
size = ( minf + ( total.to_f / fontstep ) ).to_i
size = maxf if size > maxf
#
# display the results
size_txt = "font-size:#{ size.to_s }px;" unless hide_sizes
color_txt = "color:rgb(#{ colors });" unless hide_colours
return [ size_txt, color_txt ].join
end

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