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Why does Google +1 record my mouse movements? [closed]
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It appears to be seeding a random number generator with your mouse movements.
The mouse move handler itself does something along the lines of the following:
var b = ((event.X << 16) + event.Y) * (new Date().getTime() % 1000000);
c = c * b % d;
i...
Image comparison - fast algorithm
I'm looking to create a base table of images and then compare any new images against that to determine if the new image is an exact (or close) duplicate of the base.
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How can I get pg_dump to authenticate properly
I have tried using host variable PGPASSWORD and .pgpass and neither of these two will allow me to authenticate to the database. I have chmod 'd .pgpass to appropriate permissions and also tried:
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iPhone: How to get current milliseconds?
... the OS you might need to use 'long long' instead of a 'long' and likewise cast time.tv_sec to 'long long' before doing the rest of the calculation.
– AbePralle
Dec 1 '11 at 23:20
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Is == in PHP a case-sensitive string comparison?
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== is case sensitive, some other operands from the php manual to familiarize yourself with
http://www.php.net/manual/en/language.operators.comparison.php
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
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Fantastic function. Could do with using nchar() and nvarchar(). Also see below for suggestion with variable-length delimiter.
– Rory
Oct 17 '09 at 16:47
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Best way to store password in database [closed]
I am working on a project that has to have authentication (username and password)
8 Answers
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Using the Android Application class to persist data
...at class wherever i needed by giving it the getApplicationContext() with a cast to this class
– Ziv Kesten
Jul 28 '14 at 6:57
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Image fingerprint to compare similarity of many images
...produce a normative mapping of the image data - store this with each image and then compare just the fingerprints. This is a complex algorithm and not for the faint of heart.
a few simple solutions are possible:
Create a luminosity histogram for the image as a fingerprint
Create scaled down versi...
Convert a character digit to the corresponding integer in C
... numeralChar - '0' is already of type int, so you don't need the cast. Even if it wasn't, the cast is not needed.
– Alok Singhal
Feb 26 '10 at 5:15
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