codecademy intensive

Codecademy learning logging 1, codecademy learning Logging ------------------------- I want to learn programming and start my self-study career with a closed door. Some time ago I bought a heavy "Java from entry to entry ". It may be a stranger to the code and computer programming environment. In addition, the pure little white beginners will encounter Java, After turning over more than 50 pages, I was very

############################################################################### Codecademy Python 5.5# Define A function factorial that takes an integer x as input.# Calculate and return the factorial of that number.# def digit_sum (x):# mul = 1# for I in Range (1,x+1):# mul = I*mul# Print (MUL)# digit_sum (6)############################################################################### Codecademy Python 5

] = ="X"):#if it has been populated, the x description is a duplicate value Print "You guessed that one already." Else: Print "You missed my battleship!"Board[guess_row][guess_col]="X" #the wrong value is filled with x Print(turn+1) ifTurn==3: Print "Game over"Print_board (board)Codecademy the nineth unit of the small game, although passed, but feel there is a mishap, need to adjust later, for exa

the complex, very good understanding. Codecademy the exercises above are not according to the project, a bit like a module, but our goal is to use Python to support data analysis work, not as a Python programmer.The basic step must be the code, one step at a pace, or a indentation will be able to dry people down.Objective to find the average grade of a class and the corresponding result type.#字典的定义方式Lloyd = { "name":"Lloyd", "Homework": [90.0,9

#information for three studentsLloyd = { "name":"Lloyd", "Homework": [90.0, 97.0, 75.0, 92.0], "Quizzes": [88.0, 40.0, 94.0], "tests": [75.0, 90.0]}alice= { "name":"Alice", "Homework": [100.0, 92.0, 98.0, 100.0], "Quizzes": [82.0, 83.0, 91.0], "tests": [89.0, 97.0]}tyler= { "name":"Tyler", "Homework": [0.0, 87.0, 75.0, 22.0], "Quizzes": [0.0, 75.0, 78.0], "tests": [100.0, 100.0]}#Add your function below!#find the average of a listdefaverage (number): Total=sum

The element lets you add images to a Web page. element has required attribute called SRC, which was similar to the href. The values of SRC must be the URL of the image. also need a/to self-closing element. exmaple like this:Also, the ALT attribute is applied specifically to the element as a description.Why add alt attibute?1. If an image fails-load on a Web page, a user can Ouse over the area originally intended for the image and read a BRI EF description of the image.2.Visually impaired user

In order to learn programming, many people bought a bunch of related books, and participated in a lot of online courses, and even spent hundreds of yuan to buy a set of teaching CD-ROM, in the end will not be programmed, very worthless. Codecademy is a newly launched web site that provides users with a new way to learn about programming. It is a web-based interactive programming tutorial that helps users understand some of the basics of JavaScript an

1 defAnti_vowel (text):2out=[]3mystring=list (text)4 forIinchmystring:5 ifI not inch["a","e","I","o","u","A","E","I","O","U"]:6 out.append (i)7 Print("". Join (out))8 9 TenTesting=input ("Please enter a string:") OneAnti_vowel (testing)First use the Remove method, directly delete the vowel in the list, but when debugging found that the position of the list element changes after the deletion of letters, it may be missed when traversing again, then use the Append method, the lette

---syntax---1. Booleans:true and False2. Assin and reassign value to Variable:spam =33. Whitespace:indent (indentation), blank spaces of four blank spaces4. Interpreter (interpretation): Run your code line by line, and check for any errors5. Single line comment:use the # sign6. Multi-line comment:starting each line with #, or use a set of triple quotation marks "" "..." "" "7. Exponent (exponentiation): Use * *, like this 10**28. Modulo:get the reminder from division If you use decimal, you shou

Some recent columns of JVM and concurrent programming, combined with their own understanding, are a summary of the relationship between the number of thread pool threads and (CPU-intensive tasks and I/O intensive tasks):1. Examples of task types:1.1:CPU Intensive:For example, in general, the static resources of our system, such as JS,CSS, there will be a version number, such as main.js?v0, each time the use

Label:1. IO-intensive:The database only provides operations such as query insertion, complex business logic dependencies and program implementation, and requires frequent interaction between the program and the database.2, CPU-intensive:Some complex logical calculations can be processed in the database, can rely on the database side of the stored procedures, triggers and other functions, reduce the program code and database interaction, reduce access to dataThe IO pressure from the library can b

Python intensive training notes (5)-find the public keys in multiple dictionaries and perform intensive training in python In this case, we expected to find out who scored in each round in the three rounds. The following uses python to simulate a batch of data: >>> From random import randint, sample >>># sample indicates sampling, for example, sample ('abcde', 2 ), the string 'abcde' will randomly sample 2

I/O bound indicates that the CPU performance of the system is much better than that of the hard disk/memory. In this case, the system is operating, and most of the situations are that the CPU is waiting for I/O (Hard Disk/memory) in this case, the CPU loading is not high.CPU bound indicates that the system's hard disk/memory performance is much better than the CPU performance. In this case, most of the system's operations are in the CPU loading 100%, the CPU needs to read/write I/O (Hard Disk/me

As we all know, when Alphago defeated the world go champion Li Shishi, the whole industry is excited, more and more scholars realize that reinforcement learning is a very exciting in the field of artificial intelligence. Here I will share my intensive learning and learning notes. The basic concept of reinforcement learning Machine learning can be divided into three categories, namely supervised learning,unsupervised learning and reinforcement learning

How does intensive learning solve the problem?What is a reinforcement learning algorithm, and how far is it from us? 2016 and 2017 the most influential Alphago win the world go champion Li Shishi and Ke Jie event, its core algorithm uses the Reinforcement learning algorithm. It is believed that many people want to know or switch to research reinforcement learning algorithms are more or less associated with these two races. Today,

Regarding the concept of "intensive", Baidu's "know" refers to "What is a labor-intensive product", which means that the production of this product requires a large amount of labor, labor consumption in product costs accounts for a large proportion, such as textile products, service products, food, and daily necessities. In the same performance test process, we want to differentiate applicationsProgramThe

The original is from:http://www.infoq.com/cn/articles/new-idea-of-nodejs-asynchronous-processing-tasks?utm_source=infoq Utm_medium=popular_links_homepagenode. JS specializes in data-intensive real-time (data-intensive real-time) interaction scenarios. However, data-intensive real-time applications are not just I/O intensive