In relational mode R (U), for subsets X and y of U,If x→y, but Y is not included in X, it is called x→y is a non-trivial function dependencyIf x→y, but Y is contained in X, it is called x→y is trivial function dependentExample: in the relationship
Design goal: Create a universal Web validation plug-in based on the jquery framework ...
Design requirements: 1. Need beautiful CSS style and small icons of the retouching ...
2. Based on the jquery framework ...
3. Call. NET Web services to
The authentication code on the user registration page under asp.net took some time to make the authentication A jQuery plug-in, hoping to help the users who needed it. Purpose: To establish a universal Web verification plug-in based on the jQuery
The authentication code on the user registration page under asp.net took some time to make the authentication A jQuery plug-in, hoping to help the users who needed it. Purpose: To establish a universal Web verification plug-in based on the jQuery
Introduction to Western wind instruments
This article was first published on the Tsinghua BBS site and some other domestic BBS sites about a year ago. At that time, my signature was Andante. thank you for the excellent performance of the Tsinghua
This is a job posting, very serious kind of!
From time to time to hear a certain internet, the big guy in the financial world and all in the blockchain, you must be curious
What exactly is a blockchain?
is to do something awesome with a bunch of
Now we prepare information for second H. 264 codecs comparison test, that will be compared with more advanced metrics. so we collect information about current available codecs and there stage. if you have any information about this codecs or another
The knowledge points that the PHP teacher didn't teach you.
The alternative is a surprise.
When we read some of the source code, we find that there is an alternative way of writing, such as
Exception notation if (false = = $result)//Normal if
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