wedo 2 0 tutorial

-digital things. For example, by ipaomi = Turtle You can change Dr. Mi into a turtle, and you can use the Ipaomi variable to control the turtle's drawing. The following code, drawing the image and just the same, the difference is that we assign a turtle to the variable Ipaomi1 Import Turtle 2 3 Ipaomi = Turtle 4 ipaomi.shape ("turtle") 5 x = 6ipaomi.forward (x) 7 ipaomi.left (GB) 8 Ipaomi.forward (x) 9 Ipaomi.exitonclick ()PracticeTry to dra

Effect.When you visit, look at the console and you'll see the printed informationRead a file and transfer it to a pageIn the current folder, create a a.txt file, write a textThen modify the code for Http01.js as follows, and then run to write the read a.txt data to the pagevar http = require ("http"); // introducing the HTTP module var // Introducing the FS module http.createserver (function(request,response) { fs.readfile ("./a.txt", "utf-8", function (err,data) { // Read file if

converting it to an encodingBytes's Operation:+ += * *=In/not inIndexes and slicesLen (x)Max (x)MIN (x)SUM (x)Any (x)All (x)The difference between bytes and STR:Bytes Storage bytes (typically values in range (0, 256))STR stores Unicode characters (usually values in 0~65535)Conversion of bytes and StrEncoding (encode)str------------> bytesb = S.encode (encoding= ' utf-8 ')Decoding (decode)Bytes----------> s

wrote a, can be self- 7. PHP Using template Paging program (with demo), (1/3) _php Tutorial Introduction: PHP Using template Paging program (with demo); (1/3). PHP Using template Paging program (with demo), this is a more classic PHP page code Oh, the use of the program template, page separation method to do this file paging function, it is 8. An Oracle Paging program _php Tutorial Summary: An Oracle pagin

these numbers2) Print the second largest number of these numbers3) Delete the smallest number4) Print the remaining number andAnswer:" Heool " "". Join (s)print"-" . Join (s) Print L7.To generate a list of 1~100 inside odd numbers using a list deductionThe result is: [1, 3, 5, 7, ..... 99]Answer: for in range (1, 2)]print(L) for inch if x% 2 = 0]print(L)8.Gene

: $network $syslog # Default-start:2 3 4 5# Default-stop:0 1 6# Short-Description:start and Stop bind9# description:bind9 is a Domain Name Server (DNS) #whichtranslates IP addresses to and from the Internet names### END INIT INFOPATH=/sbin:/bin:/usr/sbin:/usr/bin# forA chrooted server:"- u bind-t/var/lib/named"# Don'T Modify this line, change or create/etc/default/bind9.options=""resolvconf=notest-f/etc/def

Tags: basic getting Started address Dry Goods installation using installation percona High Availability 0 basic maintenance First introduce to you the database engineer, database Engineer, is engaged in the management and maintenance of database management system (DBMS) related to the staff of the general, he is a branch of Operations engineer, mainly responsible for the business database from the design, Test to the full lifecycle management

AngularJS getting started tutorial (0): Pilot Program, angularjs getting started tutorial Now we are preparing to compile the AngularJS application phonecat. In this step (Step 0), you will be familiar with important source code files, learn to start the development environment that contains the AngularJS seed project,

most basic knowledge about TensorFlow, including installation in other environments, GPU support, and so a little more complicated things are not mentioned. But in fact, the process from 0 to 1 is the biggest factor that has baffled many people. After understanding these things in the tutorial, I believe that understanding TensorFlow's official tutorial has no d

PHP supports the continuation of breakpoints, mainly rely on the HTTP protocol header Http_range implementation. HTTP Breakpoint Continuation principle HTTP header range, Content-range () HTTP header general Breakpoint download is used to the range and Content-range entity header, range user request header, specify the position of the first byte and the position of the last byte, such as (range:200-300) Content-range for the response header request to download the entire file: Get/test.rar http/

To the users of Tencent map software to share a detailed analysis of the 0 flow mode to open the set up tutorial. Tutorial Sharing: 1, first we need to download the target city offline map. 2, open the map of Tencent, click on the lower right corner of "I", and then click "

other programs, memcache and other good API interface) to use the server-side memcache provided functions, PHP needs to add extensions.Reference documents:Memcache installation under Linux: http://www.ccvita.com/257.htmlMemcache installation under Windows: http://www.ccvita.com/258.htmlMemcache Basic Tutorial: http://www.ccvita.com/259.htmlDiscuz! 's memcache cache implementation: http://www.ccvita.com/261.htmlMemcache Agreement Chinese version: http

In this section of the tutorial, you will gradually become familiar with the most important source code files for the Angularjs phonecat app. You will also learn how to bind the development server with Angular-seed and run the app in the browser.Before you continue, make sure that you have set up your development environment and installed all the necessary dependencies, as described here.Under the angular-phonecat directory, run this command:Git check

"Open command line Here" in the menu.The command line that opens now navigates to the current folder.At this point, directly entering the file name of node needs to be executed, you can see the printed three rows of data HelloWorld and the folder name and file nameImplementation of asynchronousThere are two ways of implementing Asynchrony: 1, callback function 2, timercallback function: after listening to an event activity, then execute other code, t

Fibonacci sequence1 1 2 3 5 8 13def Fibonacci (N):...Yield ...1) Output first 20 numbers:For X in Fibonacci (20):Print (x)2) Print the first 40 numbers and:Print (SUM (Fibonacci (40)))Answer:def Fibonacci (N): = [1, 1] for in Range (n): = l[x] + l[x + 1] l.append (s) return L Print (Fibonacci ()) Print (Sum (Fibonacci (40)))3. Write program print Yang Hui triangle (print only 6 la

First, springboot2.x use Dev-tool hot deploymentBrief: Introduction to what is hot deployment, using Springboot combined with Dev-tool tool to quickly load launch apps官方地址：https://docs.spring.io/spring-boot/docs/2.1.0.BUILD-SNAPSHOT/reference/htmlsingle/#using-boot-devtools核心依赖包： Second, springboot2.x configuration file explanationSummary: springboot2.x Common configuration file XML, yml, properties differences and use xml、properties、json、yaml 1、常见的配置文件 xx.yml, xx.properties， 1)Y

analog music signal (similar to a sound card). In large circuits, this modular application greatly reduces the volume, simplifies the circuit, reduces damage, error rate, and facilitates replacement.7. Automotive ElectronicsSingle chip microcomputer is widely used in automotive electronics, such as engine controller in automobiles, intelligent electronic Controller of automobile engine based on can bus, GPS navigation system, ABS anti-lock system, braking system, tire pressure detection, etc.8,

to get results The virtual attribute cannot be copied s.score = # by S.score to modify the score print (S.score) # Modify Success S.score It looks like the property is an impersonation attribute the actual interior has been replacedProblem:L = [1, 2, 3]def f1 (LST):LST + = [4, 5, 6]F1 (L)Print (L) # [1, 2, 3, 4, 5, 6] WhyL = (1, 2, 3)def f1 (LST):LST + = (4, 5

memory of the longest should be in their own way to the reality or some examples of comparison The more the vernacular the better remember what the gaudy terms know what is OK (remember Say it as much as possible. Just a corresponding instance relationship in your mind is like a variable in memory .... Off the topic, slipped away) What are arguments, arguments, and parameters?Arguments are parameters when a function is calledA pass is a process that passes a parameter to an argumentParam

, Top:find, Adddirectory:find, Updatedirectory:updates, Deletedirectory:deletes, Showlist:find, showdir:find};//Master LogicModule.exports =function(REQ,RES,COLLECTIONS,SELECTOR,FN) {mongoclient.connect (Urls,function(err, db) {assert.equal (NULL, err); Console.log ("Connected correctly to server"); Methodtype[req.query.action] (DB,COLLECTIONS,SELECTOR,FN); Db.close (); });};Use this packageSpecific package usage, we will introduce in the next lesson projectLet's talk about it today, tomorro