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A comprehensive application of hibernate in relation mapping

class score {private Integer ID; Private String score; Private Student Student; Private Course Course; @ManyToOne (Cascade={cascadetype.all})//Configure cascading Operations @JoinColumn (name= "student_id") public student Getstudent () {RE Turn student; } public void Setstudent (Student Student) {this.student = Student; } @ManyToOne (Cascade={cascadetype.all}) @JoinColumn (name= "course_id") Public course GetCourse () {return C Ourse

Harvard University Open Class "Positive Psychology 1504" study notes-relationship_conflict

. Without rituals, in our modern world, the important and yet not urgent activities a take. 4 being known rather than validated If We are known by the other partner, then means we must open up, we must reveal, we need to share of ourse Lves-not just the wonderful and the amazing and the terrific things, also the things that sometimes we are don't that pro UD of, our weaknesses perhaps, something so may is we ' re ashamed of. But It takes time, it isn'

Introduction to Databases (Experiment II) database and table operations __ Database

the table course to insert SC data ----------------------------inserts into SC values (' 200215121 ', ' 1 ', 92)/* Insert a tuple into the table SC/INSERT INTO SC values (' 200215121 ', ' 2 ', 85) * * Insert a tuple into the table SC/INSERT INTO SC values (' 200215121 ', ' 3 ', 88)/* Insert a tuple into the table SC/INSERT INTO SC values (' 200215122 ', ' 2 ', 90)/* Insert a tuple into the table SC */INSERT INTO SC values (' 200215122 ', ' 3 ', 80)/* Insert a tuple into the table SC * *--------

SQL Scale Table Conversion

Horizontal Table Conversion Vertical table:CREATE Table score (username varchar (ten), Chinese int, math int, physics int); INSERT into score (username , Chinese, math, physics) VALUES (' Kay ', 74,83,93), INSERT into score (username, Chinese, math, physics) VALUES (' Jim ', 75, 84,94); INSERT into score (username, Chinese, math, physics) VALUES (' Lily ', 86,49,91); COMMIT; SELECT * from score;650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/59/2A/wKioL1TJmWTDimcKAABhyIsoWbg511.jpg "t

68 effective ways to write high-quality JS code (ix)

No.41, see prototypes as implementation detailsTips: Objects are interfaces, prototypes are implementations Avoid checking the prototype structure of objects that you cannot control Avoid checking for properties that implement inside objects that you cannot control We can get the property values of an object and call its methods, none of which is particularly concerned about where the property is stored in the prototype inheritance structure. The behavior of these operation

Non-steroidal anti-inflammatory drugs

discomfort such as indigestion, ulcers, bleeding, renal insufficiency, abnormal liver function, dizziness, headache, drowsiness, etc. In addition, special attention should be paid to allergies, such as asthma, rash, urticaria and so on.Non-steroid anti-inflammatory drugs with a specificity of COX-2 have less gastrointestinal side-effects than those of other non-specificity, but there is no significant reduction in the side effects of hypertension and

PHP UTF8 character set in simplified and traditional mutual transfer

Liu Chanba muddy hu, Aenon tu flood flood Lai Ripple Weizhou Vortex Yun Huan Polyester run Jian Dian lu liling Guanyintang, Yu-shen infiltration of the sea-water permeability bay wet water splash Xushui loujin Shuofang Decanter Yan postcode the flood of Man luanhe 滪 Browse Ying in the wake of the Wei-yi Lan Seto hao out of the light ling disaster lian furnace Stew yang point smelting blazing candle smoke burning Braised hot ember Tao forge hu Skating love ye slips female yak lead sacrifice calf

Simplified conversion class _php tutorial in PHP UTF8 encoding

cyrtomium fortunei pour ze jing clean sprinkle jia shallow slurry pouring zhen yingde design turbidity test Kuai Liu Chanba muddy hu, Aenon tu flood flood Lai Ripple Weizhou Vortex Yun Huan Polyester run Jian Dian lu liling Guanyintang, Yu-shen infiltration of the sea-water permeability bay wet water splash Xushui loujin Shuofang Decanter Yan postcode the flood of Man luanhe 滪 Browse Ying in the wake of the Wei-yi Lan Seto hao out of the light ling disaster lian furnace Stew yang point smelting

What medicine does the Spleen and Stomach Heat and dampness take? What does the body moisture mean? How to remove it?

wet body. When rice is added overnight, moisture is added, so the whole porridge is thick. TasteAlthough it is better, it is not a good thing for health care. Because of the rice, all the red beans and Coix seeds are empty, and the functions are useless. How do you get wet in Traditional Chinese Medicine Thousands of years ago, the impact of changes in the image and environment on the body was reduced. "wet" is regarded as the key to leading and Improving the situation. In general, human body h

[No one knows who I am, and I don't care, but I still have a toy style]

coriander, is a coriander that many people can smell. I found that there are many aliases in Yi, such as xiangyi, hucai, Yuanyuan, Yuanyuan, Hujia, Zookeeper, wonton, shengcai, baige, and mantian, in addition, there is a drug named Hu Zhe. Since there are medicines, most of them are medicinal. It is used to handle cold and cold colds, measles, acne rash, poor hair, food accumulation, abdominal pain, nausea and evil, headache, toothache, anal detachm

Ebola and the modern microbial war

In the laboratory, scientists used genetic technology to develop a "artificial virus" that is similar to Ebola virus, so that it does not have any immune methods (that is, invincible in the world ), seriously endangering the survival of mankind. This virus does not exist in nature. In July 2014, Yoshihiro Kawaoka (1955-) invented a new type of "artificial virus" based on a flu virus, namely, "wipe out 400 million people" (infected with 0.4 billion people ), there is no immune means for this "art

Some mistaken ideas about inviting companions in the pioneering team

Article Description: in the process of contacting the entrepreneurial team, it was a little surprising to find that most of the invitations were not skillful, or even clearly inappropriate. Just to tell you, to start a business, to work together. I don't know how effective this invitation can be. For ordinary employees, people are talking to you about treatment, to the core partners, and appear arrogant or rash. Probably because I'm handsom

A design pattern of alternate federated primary Key in Hibernate

myeclipse Persistence Tools */@Entity @table (name = "Score", Catalog = "Hibernate") public class score implements JA va.io.Serializable {//fields/** * */private static final long serialversionuid = 1l;private Scoreid id;private Course Co Urse;private Student student;//constructors/** default constructor */public score () {}/** minimal constructor */public Sc Ore (Scoreid ID) {this.id = ID;} /** Full constructor */public score (Scoreid ID, Course Course, Student Student) {this.id = Id;this.cour

Shelve of data storage for Students ' course selection system

El in Course.all_course_list: #遍历课程类的全部课程列表 print (EL) def Choice_c Ourse: #选课的方法 While 1:course = input (' Enter the course you want to select (press Q to exit): ') if course.upper () = = ' Q ': Break If course in Course.all_course_list: #所选课程在课程类的全部课程列表中, optional lessons available If course in Self.course_list:print (' This course has been selected, cannot be selected repeatedly ') Else: Self.course_list.a

POJ3889 Fractal Streets

. At all corner of a cup a driveway (with mailbox) are placed for a house, with a simple successive numbering. The house in the top left corner have number 1, and the distance between the adjacent houses is 10m.The situation is shown graphically in Figure 2. As can see the Fractal Streets concept successfully eliminates the need for boring street grids and while still requiring Very little effort from our bureaucrats.As a token of their gratitude, several mayors has offered Chris a house in one

POJ 1904 King ' s Quest (strong connectivity)

Language:DefaultKing ' s Quest Time Limit: 15000MS Memory Limit: 65536K Total Submissions: 7635 Accepted: 2769 Case Time Limit: 2000MS DescriptionOnce upon a time there lived a king and he had N sons. And there were N beautiful girls in the kingdom and the king knew on each of his sons which of those girls he does like. The sons of the king were young

Hbase Shell Details

,stoprow to scan multiple row. For example: Scan ' User_test ', {COLUMNS = ' info:username ', LIMIT =>10, startrow = ' test ', stoprow=> ' test2 '} B. View Table " Scores all data in the column family "course". HBase (main):012:0> scan ' scores ', {COLUMN = ' grad '} hbase (main):012:0> scan ' scores ', {column=> ' Course:mat H '} hbase (main):012:0> scan ' scores ', {COLUMNS = ' course '} hbase (main):012:0> scan ' scores ', {COLUMNS = ' C Ourse '}7)

asp.net mvc Getting Started with form authentication

in a sessions variable to use it further. Create A authentication ticket for the user (an encrypted cookie). We can have this persistent or non persistent. Facilitate the user/roles extraction using the authentication ticket. Use the ' user/roles found in ' The last step and create a Principal using this so this asp.net Forms authentication mech Anism can use this data. Now we'll have the membership API does all of things for us and how we can implement all of these steps

Python reads the JSON file and inserts the data into the MongoDB method _python

This article describes how Python reads a JSON file and inserts data into MongoDB. Share to everyone for your reference. The implementation method is as follows: #coding =utf-8 import sunburnt import urllib from Pymongo import Connection from Bson.objectid import objectid import Logg ing from datetime import datetime import JSON to time import mktime from Feedparser import _parse_date as Parse_date Imp ORT time Import sys import getopt import configparser args = sys.argv[1:] optlist, args

MySQL base + master-slave replication, read/write separation, high availability principle

; ' 1988-1-2 ' and date 18) Modify Data Update C set age= id=2; update c set name= ' Flower ', age=21 , sex= ' female ' where id=2Views: A view is a result set that is returned after a SELECT statement executes. So when we create the view, the main work falls on the creation of this SQL query statement.Use occasions: Permission control, do not want users to access some of the table contains sensitive information columns, such as salary ... The key information comes from a number of complex re

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