Override onmodelcreating to control the single plural of the generated table namepublic class Mydbcontext:dbcontext {public dbset Override onmodelcreating to control the single plural of the generated table name
In fact, this must depend on a ready class library. Here I want to introduce the one used in EF (Entity Framework.
First, you need to reference system. Data. entity. Design. dll, which should be in GAC.
AfterCodeFirst, use the namespace using system. Data. entity. design, and then use the pluralizationservice class:
Pluralizationservice service = pluralizationservice. createservice (cultureinfo. getcultureinfo ("En-us "));
With this example, the two isxxxx methods can be used to determine wh
Write it by yourself todayProgram, Calculate the standard deviation of the plural set. After half a day, it is finally consistent with the value obtained by the STD function of Matlab.
In fact, it is very easy to convert the plural value into a modulo value and regard it as a real number,
Use the formula d (x) = E (x ^ 2)-E (x) ^ 2 to obtain the variance.
Where:
Here we need to convert x ^ 2 in E (x ^
Fourier transformation refers to the expansion of a periodic function into a triangular series, that is, the sum of several trigonometric functions.Euler's formula:By using the Euler's formula, Fourier transformation in the form of trigonometric functions can be converted into the complex form:The formula does not seem concise. We use some symbol replacement to make the above formula look simpler:We have known that the method for solving an and BN is to integral the corresponding period. The rel
design Complex number library, realize the basic complex subtraction operation.Typing only the real and imaginary parts, separated by a space, two complex numbers with operator separation, the output by A+bi format on the screen printing results. Participate in sample input and sample output.Note In special cases, the output string "error" cannot be computed. Sample Input2 4 *-3 2Sample Output-14-8iSample Input3-2 +-1 3Sample Output2+1i Problem Solving Analysis:Complex Algorithm Http://baike.ba
The complex can be designed by the technical means of the template class to make the type of the real and imaginary parts the actual type specified when the object is defined.(1) A class member function is required to be defined outside the class.(2) On this basis, the subtraction, multiplication and division are realized again.You can use the main () function as follows.int main () { complexReference Answer:#include Learning Summary: 1. Declaration of Pre-class declaration and template2. A c
A number is a number. A plural number is two numbers. There are also three numbers.
One number corresponds to the real number axis, two numbers correspond to the virtual number axis and the real number axis (forming a plane), and three numbers correspond to the three-dimensional space.
That is to say, if there is more than one number, add a number axis. This number axis forms a plane with any other number axis, and any two forms a space (we do not k
Four arithmetic operations 2, 3.2 arithmetic operations of the plural number
# Writher gu peng # edit date 20160312 from fractions import Fraction # score from random import randint # random number def layer (layer_accual, operat_number2, brackets2, layer_amount2 ): # recursive program if (layer_accual> 0): # When the first layer is computed, more than three numbers are generated. The number of layers is set to 3. # Select the number # print "layer_ac
4-1 operator overloading of plural classes
4-1 operator overloading of complex classes
Time Limit: 1000 MS Memory limit: 65536 K
Description
You can use this exercise to master the member Operator Overloading and friend Operator overloading.
It is required to define a plural class, And to reload addition and subtraction operators to meet the requirements for plural
The plural number of the mouse
Now, in order to show my courage, I will face the most difficult topic to argue with the input device: What is the plural "Mouse. Although everyone knows that multiple rodents are called mice, no one seems to have the final answer to what to call multiple input devices. Neither "mice" nor "Mouse" sounds wrong. The third edition of American Heritage Dictionary of the English L
1. The basic method of changing a noun from singular to plural is as follows:① in the singular noun ending plus s. such as: Map→maps,boy→boys,horse→horses, Table→tables.②s,o,x, Sh,ch end of the word plus es. such as: Class→classes, Box→boxes, Hero→heroes, Dish→dishes, bench→benches.[note]: a few words ending with an O, add only s when plural. such as: Photo→photos, Piano→pianos.③ a noun with a consonant let
Ahjesus singular-plural mutual conversion C #,The built-in codesmith template converts the single and multiple numbers when generating the stored procedure, and implements
Public static class StringUtil {//
English words singular to plural
Generally add s. for example, run-runs. end with y as I plus es. for example, fly-flies. however, if y is preceded by a vowel, that is, aeiou. for example, add s directl
DescriptionDefine a plural class complex, overloading the operator "+" so that it can be used for addition operations of complex numbers. The two operands that participate in the operation can all be class objects, or one of them is an integer, in order. For example, C1+c2,i+c1,c1+i are valid (set I to integer and c1,c2 to plural). The sum of the sum of two complex numbers, integers and complex numbers are
1/* 2 * Main. C 3 * F6-structure-06. the number of four arithmetic operations 4 * created on: August 26, 2014 5 * Author: in the boomkeeper 6 ******** section, ************* 7 */8 9 # include
1. The question that makes me grasp the most is the output of the symbol of the imaginary part of the plural number. The arithmetic operation on the four digits of the plural number is still easy to calculate. This i
First, the integral typeIn [1123 # defines an integer type in [2]: Type (a) # View data type out[ 2int-2147483648--2147483647 # The range of integer values, if this range is exceeded, becomes a long integer typeSecond, long integer typeIn [7123456789123456789123456789 # defines long integer in [8]: Type (a) # View Data Types out[8Long in[9]: A # is followed by a letter (L or L) to identify that this is
1. Integer precisionHere we compare the integer accuracy of python2.7 and python3.4Watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity /center ">python3.4 supports an infinitely large integer (depending on your memory), and in the 2.7 version number, he supports a finite integer length, and for a very long integer, he appends the number with L to represent the long intege typeAlthough an infinite number of integers is supported, his oper
When you create a dbcontext-based datamodel class, EF accesses the table corresponding to the data warehouse by default in the plural form of the utility object name. For example
Public ClassModeldbcontext: dbcontext {PublicDbset Get;Set;}PublicDbset Get;Set;}}
When you use dbcontext to call the site method, EF performs operations on the database table sites. EF maps the data table of the site to sites by default.
Cancel the default
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