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# Include }/* The numerator behind the score is equal to the numerator plus the denominator of the previous score, and the denominator of the subsequent score is equal to the numerator with the previous score */ There is a fractional sequence: 2/1, 3/2, 5/3, 8/5, 13/8, 21/13... find the sum of the first 20 items of this series

Copy codeThe Code is as follows:-- Simple Case FunctionCASE sexWHEN '1' THEN 'male'WHEN '2' THEN 'female'ELSE 'others' END-- Case search functionCase when sex = '1' THEN 'male'WHEN sex = '2' THEN 'female'ELSE 'others' END These two methods can achieve the same function. Simple Case functions are relatively simple in wr

Related Source code As follows: 1. beginformpanel. js (Role: Display forms in outer HTML files) 2. beginpanel. js (function: Implementation of gridpanel and window and formpanel in window) /*************************** Formpanel ********** **************************************** ***/ VaR mywindowform = ext. Extend (ext. Form. formpanel ,{ Constructor: function () { Mywindowform. superclass. constructor. C

The Fibonacci Sequence, also known as the Golden series. In mathematics, the Fibonacci series are defined as follows by recursive Methods: F0 = 0, F1 = 1, Fn = F (n-1) + F (n-2) (n> = 2, in modern physics, quasi-crystal structure, chemistry, and other fields, the Fibonacci series are directly applied. Now, from an algo

7.0\skin\ Sounds (if you are installed by default), paste, replace the original file can be. Then let's set the password for the most privileged user. The highest privilege without a password the user is a big loophole oh, once by hackers or viruses to use, the consequences of unimaginable. Click Start-Settings-Control Panel-user account, set a more difficult password, but do not long to remember the ~ Let's try to improve the broadband speed . The professional version of Windows XP retains 2

[Problem] 1. Division is not required. Two arrays A [n], B [N], where each element value of a [n] is known, and B [I] is assigned a value, B [I] = A [0] * A [1] * A [2]... * A [N-1]/A [I]; requirements: 1. Division operations are not allowed.

Two arrays a [N], B [N], where each element value of A [N] is known, and B [I] is assigned a value, B [I] = a [0] * a [1] * a [2]… * A [N-1]/a [I] [Problem] 1. Division is not required. Two arrays a [N], B [N], where each element value of A [N] is known, and B [I] is assigned a value, B [I] = a [0] * a [

Odd sum (1), sum (2), count (1), count (6), count (*) in SQL: Total number of statistics, sumcountSQL statistical functions The SQL statistical function has count statistics, and uses sum to accumulate the specified field value with sum, but note that sum (1) is special.Sum (1