One SQL statement interview question: for students who take all courses, SQL statements
For a job interview a few days ago, there was an SQL question: three tables are provided: students, courses, and scores.
A seemingly simple problem made me difficult. I changed it and changed it, painted it and scratched my ears. Because there were not many blank positions in the exam, I had to give up. The mood is great
I am in charge of OOAD courses during blog training. As there are many content involved, I have compiled a Summary of the course summary, and hope you can give us valuable comments and guidance.
OOADCourse outline
Overview
PerspectiveOOADBehind-The path, technique, and tool of software learning
This section describes the problems on the way to software learning. There are three questions about the path to software development: Tao,
Storyline 2: Easily create interactive e-learning coursesFast entry speedWith storyline's familiar and intuitive user interface, even novices can find an expert feel. No training required.Work more flexiblyCustomize your own workspace. Move the panel you use most often to any location on the desktop, or even to another monitorInspire inspirationThere's no need to create from scratch, unless you want to do it yourself. You can launch slides with templates designed by e-learning professionals, or
implement a large project, you will always use the knowledge of software engineering.
Then, from the CS practice field, select the courses that undergraduates should master: operating system, computer network, web, compilation principle, computer graphics, compilation principle, database, assembly, cryptography, a Data Mining feature is provided.
Associate courses with projects:
Operating System ---- write
Algorithm template question in Hungary
There are n courses, and each course may have different time periods. different time periods are equivalent.
Ask the maximum number of courses that can be selected without conflict.
Create a bipartite graph. One vertex indicates different courses, and the other vertex indicates the course time (hash ).
#include
"Data Structure basics" series of online courses home page, Data Structure Network CoursePreface
Since I made up my mind to solve the problem of poor students' hands-on ability, I began to build course practice resources. I became addicted to flipped classrooms, and the videos of the courses I taught gradually formed a system. While serving my own students in school, I also hope that more people can use it.
presence in the system.
Understand how rootkits communicate with command and control (CC) servers.
Be able to identify malicious behavior and defend against rootkits.
PrerequisitesThe attendees must is proficient in C + + programming. In addition, attendees is expected to has good understanding of Windows kernel internals and APIs. Codemachine ' s Windows Internals for Security researchers and Windows Kernel and Filter Driver development course
You can learn from different basics of Linux certificates. nearly 300 IT courses are free of charge-Linux general technology-Linux technology and application information. For more information, see the following. Obtaining a Linux certificate can both learn and help with employment.
Download Linux Books/Video: http://www.easthome.com/redhat.html
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People with different foundations can learn to obtain evidence.
I purchased the following 21 courses on office and learned some of the Office free courses.The overall feeling is:The teachers of these courses are fully prepared, connected to the atmosphere, and are closely related to the daily work we need to use.Before I signed up for a social Office training course, the study cost of expensive, needless to say, is to come and go the traffic spends more time, and each t
principles of the Software engineering: Software Engineering Objectives: the production of products with correctness, availability and cost appropriate. Correctness refers to the degree to which a software product achieves its intended function. Availability refers to the extent to which the software infrastructure, implementation, and documentation are available to the user. Overhead is the degree to which the entire cost of software development and operation meets the user's requirements. The
CoursesTime limit:20000/10000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 5214 Accepted Submission (s): 2502Problem Descriptionconsider A group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every
Super-value Guangzhou PHP training courses available in Guangzhou Chuanzhi podcast PHP language is relatively JAVA to be simple, developers don't need to learn too much to develop a "XX management system" through process-oriented methods. Therefore, the society is filled with a large number of process-oriented developers who do not understand the Http protocol! Guangzhou PHP training courses that do not kno
Front-end development is the emerging industry in recent years, is the IT industry requires relatively low occupation, while the employment of relatively high wages, many people through the Web front-end training to achieve a well-paid employment dream, the Web front-end courses in the end including what technology?Web front-end development techniques include three elements: HTML, CSS, and JavaScript, but with the popularity and popularity of Ria, Fla
Problem DescriptionConsider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every student in the Committee represents a different course (a student can represent a course if he/she visits that cours E. Each course have a repr
Consider a group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:
Every student in the Committee represents a different course (a student can represent a course if he/she visits that cours E
Each course have a representati
Title Link: http://acm.split.hdu.edu.cn/showproblem.php?pid=1083Time limit:20000/10000 MS (java/others) Memory limit:65536/32768 K (java/others)Problem Descriptionconsider A group of N students and P courses. Each student visits zero, one or more than one courses. Your task is to determine whether it was possible to form a committee of exactly P students that satisfies simultaneously t He conditions:. Every
NetEase front-end micro-professional courses, there is a homework is to achieve a 3D rotating cube, took a little time to do the next, but also a little meaning, write a simple tutorial for everyone to learn. First put on the effect that you want to achieve in the end.
1. Pure CSS3 realize 3D cube rotation effect code
Introduction: NetEase Front-end micro-professional courses, there is a homework is to ac
Question meaning:
There are N students and P courses, allowing you to determine whether it can constitute the maximum match.
Enter a T to indicate that there are T groups of test data;
In input N and P, P indicates there are P courses, and N indicates there are N students.
Followed by P rows, such:
A a1 a2 a3 a4 a5 --- the first line. 1 matches with a1, a2, a3, a4, and a5.
B b1 b2 b3 ----- Row 2. B matches
C language programming [plain]/* Start the comments in the program header (to avoid any problems encountered during the submission of blog posts, the slash used to indicate that the comments have been deleted)* Copyright and version Declaration of the program* All rights reserved.* File name: txt. c* Author: liuyongshui* Question: Enter the scores of three students in three courses to calculate the total score and average score of each student.* Compl
are doing something wrong. It also gives you strong hints in what questions you should is working on. It is, the course, silly to spend too much time on questions worth little marks that's still relatively hard for you. If there is Your time is better spent re-reading all questions and making absolutely sure do not miss any secondaryQuestions, and that answered everything. You wouldn ' t believe what many silly marks people lose this.Congratulations if you got all the here! Now so you're here,
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