Section 4.1 needs to be updated. When you try to use it, Google displays this message on the SERP: "The + operator has been replaced. To search for an exact word or phrase, use double quotation marks."
Another one www.google.com/ncr - sets default Google search domain from google.cc to google.com, where CC is country tld.
Useful if you prefer to search in .com version and not the localized one.
I immediately nerd-sniped myself and started playing with factorials.
Turns out it only goes up to 170!. 170! gives you a number (170 ! = 7.25741562 × 10306). 171! searches for 171 in documents.
Still fun, and pretty darn fast, too. I thought they were probably caching the results for 1 - 170, but they return just as fast for non-integer factorials as well (try 100.2!).
They still could be caching them. The first time they encounter a factorial, they calculate it, throw it in a DB, and it's a quick DB access from then on.
I'm using the date range search option a lot when I am getting outdated search results. Even constructed a quick search for it, so I can type something like: "gdr 30 things" which will then search for stuff from the past 30 days.
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[ 4.5 ms ] story [ 44.0 ms ] thread"This-is-*-(dog|cat)"
... but they work. Occasionally you might be accused of being a robot, though.
I immediately nerd-sniped myself and started playing with factorials.
Turns out it only goes up to 170!. 170! gives you a number (170 ! = 7.25741562 × 10306). 171! searches for 171 in documents.
Still fun, and pretty darn fast, too. I thought they were probably caching the results for 1 - 170, but they return just as fast for non-integer factorials as well (try 100.2!).
(http://en.wikipedia.org/wiki/Factorial#Extension_of_factoria...)
Nice work on this, whoever did it :)
Blog post about it: http://www.pushingbits.net/posts/google-date-range-address-b...