Programming Question # #: SkiingSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeIt's not surprising that Michael likes to ski, because skiing is really exciting. But to get the speed, the slippery area must tilt downward, and when you slide to the bottom, you have to go up the s
learning methods of C language are not simply learning the language itself, but using C as a tool to learn operating systems, compilers, and embedded systems, in the study of specific fields, we constantly practice the ability to use C programming and enhance the understanding of C.
First, who are learning MOOC? The number of students completed in most courses is less than the percentage of students selected. Coursera data science certificate sold t
Programming Question #: Find out the number of K-LargeSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeThe user enters N and K, then enters n positive integers (unordered), and the program finds the K-large number in cases where n integers are not sorted. Note that the K-large nu
Source: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kB,DescribeThe number of characters with two strings of STR and SUBSTR,STR not exceeding 10,SUBSTR is 3. (The number of characters does not include ' + ' at the end of the string.) Insert the substr into the one of the most ASCII characters
Programming Question #: Number that can be divisible by 3,5,7Source: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeEnter an integer to determine whether it is divisible by 3,5,7 and output the following information:1, can be 3,5,7 divisible at the same time (direct output 3 5 7, each
Programming Problem: Influenza infectionSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeThere are a group of susceptible people living in the grid-like dormitory area, the dormitory area for the n*n matrix, each lattice point for a room, the room may live people, may also be emp
Source: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescriptionThere is a small reimbursement system, it has the following functions:(1) Statistics of the total amount of invoices submitted by each person(2) Statistics of total amount of each type of invoicesimplify the system to the follow
Source: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescriptionThe Beetle's "a Day" and "Tomorrow Never Knows" are popular, if you tell you A day in the life, will it really be tomorrow never knows? believe that after learning this is not a problem, and now come to realize it 。Reads a date
Programming Question # # #: Finding the greatest point on a planeSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeIn a plane, if there are two points (x, y), (A, B), if (x, y) is dominant (a, B), this refers to the x>=a,y>=b;Graphically, A (a, b) is located in an infinite area (x
Programming Question #: pairing the base chainSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeDNA (DNA) is made up of two complementary base chains that are combined in a two-helix manner. There were 4 bases of DNA, namely, adenosine (A), guanine (G), Thymic pyrimidine (T) and c
Programming Question #: operator determinationSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeAfter two integers a and b are calculated, the result is C. Expressed as: a? b = C, where,? may be addition +, subtraction-, multiplication *, divisible/or residual%. Determine the oper
Programming Question #: Number 2nd in a stringSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeEnter a string of no more than 500 symbols, the output appears in the string of the 2nd more English letters (uppercase and lowercase letters are considered the same) and the number of
Programming Question # #: Calculating the sum of the edge elements of matricesSource: POJ (Coursera statement: The exercises completed on POJ will not count against the final results of Coursera. )Note: Total time limit: 1000ms memory limit: 65536kBDescribeEnter an integer matrix to calculate the sum of the elements at the edge of the matrix. The elements of the so-called Matrix Edge are the elements of the
My project needs to import the crawled Coursera data into the database for future work, such as PHPNow that the data has been crawled, the format exists in the folder, the picture belongs to a directory, I am a data rookie, do not know how to design a database to the correct existence of the data in MySQL? (using navicat), I hope you master Liberal enlighten, younger brother grateful!
Reply content:
My project needs to import the crawled
I have climbed the URL of all the courses on Coursera and placed it in the All_url.txt file, about 2000 lines.
Then I want to use these URLs to crawl other information I want, to synthesize a. csv to facilitate the import of the database.
In the following code, I've only written a few things I want to crawl to test for implementation (such as the crawl of the course schedule, and so on, five of the information I need is not written in the code), but a
the rest planned to be migrated.
* In addition, wattzon has publicly announced that its entire platform has been written based on Scala infrastructure.
* The UBS Group uses Scala for general products.
* Coursera (famous educational video website) uses Scala as a server language.
Main features:
* Object-Oriented Programming: Scala is a pure object-oriented language. Every value is an object. Object Data Type and BehaviorClassAndCharacteristicsDescri
Academy
Khan Academy, one of the earliest free online coding resources, has been accompanied by many students for a long journey. The simple learning course section and the video tutorials are gradually deepened. It is very responsible to say that, khan Academy is a great place to help you start programming.
4. HTML5 Rocks
HTML5 Rocks is a Google Project. Under the guidance of Google's professional contributors, you can see the latest news, resource navigation, and all slides related to HTML5.
long journey. The simple learning course section and the video tutorials are gradually deepened. It is very responsible to say that, khan Academy is a great place to help you start programming.
4. HTML5 rocks
HTML5 rocks is a Google Project. Under the guidance of Google's professional contributors, you can see the latest news, resource navigation, and all slides related to HTML5. The status of HTML5 is constantly rising. As long as you have a little experience, this language is very suitable f
I posted my microblog two days ago, but Wu lide from Fudan Institute of Computer Science is running? The elements of statistical learning )? This course is still in Zhangjiang... how can I miss Daniel's class? I'm sure I have to ask for leave to join the class... in order to reduce the psychological pressure, I also pulled a bunch of colleagues to listen to it. A dozen of eBay's mighty people killed the past! We always feel that we have more than Fudan students, and the classrooms of 50 or 60 pe
The topic of machine learning techniques under this column (machine learning) is a personal learning experience and notes on the Machine Learning Techniques (2015) of Coursera public course. All the content is from Coursera public class machine learning techniques Hsuan-tien Lin Heights field Teacher's explanation. (https://class.coursera.org/ntumltwo-001/lecture)1th talk-------Linear support Vector Machine
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