Examples: Web & Computer Systems
 
Web & Computer Systems
Web & Internet »
get information about an IP address
18.0.0.1
get information about a URL
google.com
find a port assignment
port 80
Data Transfer »
get information about a data transfer device
802.11n wireless network
compute a data transfer time
data transfer time 10GB, 6Mb/s
Character Encodings »
look up a Unicode character
U+00F8
specify a range of Unicode characters
unicode 8900 to 8915
specify a character by name
em dash
String Processing »
find n-grams in a string
n-grams "it was the best of times it was the worst of times"
encode a string with the ROT13 substitution cipher
ROT13 "A quick brown fox jumps over the lazy dog."
Hashing »
compute a hash code for a string
Adler 32 "inverse cosine"
MD5 "A quick brown fox jumps over the lazy dog."
Display Resolution
get data on a computer display format
VGA display
compare formats
WXGA, QXGA
compute display charactersitics from pixel count
2.5 megapixel 300dpi display
CAPTCHA
generate a CAPTCHA for specified text
CAPTCHA Wolfram Alpha
generate a CAPTCHA using random text
CAPTCHA