treehouse full stack

Whlie Condition # (when the condition is true) #break force terminate loop: #continue jump out of the current loop:Print ("num") # (Output num)Cases:Output 1 to 100 evennum = 1Whlie Num If num%2 = = 0:Print ("num")Num+=1　　Cases:Yonghu = 1093166587Mima = 123456789While True:AA = Int (input ("User name:"))bb = Int (Input ("Password:"))if AA = = Yonghu:Print ("Welcome to this page")Break # break terminates the loop;ElsePrint ("Input error")Print ("")Example: #嵌套循环:height = Int (input ("Height:"))wi

interrupted by a break. Will execute the statements after else exercise 2-4 The idea is very clear, self-made out, stating that the basic knowledge has mastered the exercises 1 and exercises 5 ideas are not clear practice 1 card in7 to get away from this ring, I then forgot 7 or to participate in the cycle, and print out the 7. Exercise 5 cards on I self-increment. Keep in mind that the code runs from top to bottom exercise 6 refer to the teacher's ideas, made out of their own today's questio

There are three ways to create CSS, namelyExternal style sheetInternal style sheetInline style sheetThe external style sheet, as its name implies, is to separate the HTML file from the CSS file, forming two separate files, and CSS files ending with a. css.We can declare in the head of the HTML which CSS file the HTML file is using, as follows: Head > rel= "stylesheet" type= "text/css" href= "Mystyle.css" >head>Use this method to refer to an external CSS.The internal style sheet is the HTML

used in the vertical and horizontal navigation bars.To make the list different from the surrounding style, we add a background color to the list and set the width.ul { list-style-type: none; margin: 0; padding: 0; width: 200px; background-color: #f1f1f1;}This is how the navigation bar works after the setup is complete.But we feel that this link is still too crowded. Add some height clearance to the link.The first thing we need to do when we increase the spacing is to turn So

How to make a domain access to a website you create on a windows+wamp environmentStep 1In the Wamp installation directory, such as C:\wamp64\www\, create your own site Directory PEStep 2Right-click the Wamp icon to open VirtualHost sub-menu in Wamp settings.After opening virtualhost sub-menu this option will play a small green √ in front ofStep 3Open the native localhost page, and then under the localhost page, Add a Virtual HostThis option means adding a virtual host. Click to enter settings.Th

)) while True:msg=input (' >>: ') If not msg:continue c.send (Msg.encode (' Utf-8 ')) DATA=C.RECV (1024) Print (Data.decode (' Utf-8 '))Viii. SummaryIo multiplexing (SELECT)Select detects which socket is ready (waits when detected, becomes blocked)Select is better than blocking IO, because select can detect multiple socketsMultiple links under Select to play its advantageBut you have a lot of sockets, how do you know which one is good, then you have to use loops to traverseSo if it's a lot of ti

): Server = socket (af_inet, Sock_stream) server.setsockopt (Sol_socket, SO_REUSEADDR, 1) server.bind ( (Ip,duankou)) Server.listen (5) While true:conn,addr = Server.accept () #等待链接 gevent.spawn (talk,conn,addr) #异步执行 (P =p Rocess (target=talk,args= (COON,ADDR)) # P.start ()) is equivalent to the two sentences in the open process Server.clos E () if __name__ = = ' __main__ ': Server (' 127.0.0.1 ', 8081) #客户端开了100个进程 #!usr/bin/env python#-*-coding:utf-8-*-from multiprocessing import processfr

): #人的派生方法 #enemy. life_value = Enemy.life_value- Self.aggr Enemy.life_value-= Self.aggrclass Dog (Animal): #子类 derived class Def __init__ (Self,name,breed, Life_value,aggr ): # animal.__init__ (Self,name,breed, Life_value,aggr) #让子类执行父类的方法 is the parent class name. Method name (parameter), even self has to pass super (). __init__ (NA ME,LIFE_VALUE,AGGR) #super关键字, do not preach self, in the new class of # super (dog,self). __init__ (NAME,LIFE_VALUE,AGGR) #上面super是简写 Self.breed = Breed de

') #versions. Pydef create_resource (conf): print (' From version.py: ', conf) #manage. Pydef Main (): print (' from manage.py ') #models. Pydef register_models (engine): Print (' From models.py: ', engine)5. Software Development Specification6. Absolute Importglance/ ├──__init__.py from glance Import API from glance import cmd from glance import Db├──api │　　7. Relative Importglance/

effect AH # Yes: Using jion immediately after start will certainly turn the execution of the 100 tasks into serial, without a doubt, the result of the final n is certainly 0, is safe, but the problem is join immediately after #start: all the code within the task is executed serially, and the lock, The only part of the lock that modifies the shared data is the serial # order from the data security aspect, both can be achieved, but it is obvious that the lock is more efficient. From threading imp

Import os# 1. Switch path =============d = OS.GETCWD () #获取当前的工作路径os. ChDir (' d:\\ ') #目录的切换print (OS.GETCWD ()) # (Toggle the past how to come back?) I'll be back in a chdir. Os.chdir (d) Print (OS.GETCWD ()) # 2. Execute the System commands =============# system and Popen are all execution systems commands, but popen is more useful, Because it has a return value of Os.system (' dir ') #显示的是gbk的编码, # solves the system garbled method ret = Os.popen (' dir ') #popen是有返回值的, and self-transcoded pr

():Global nn-=100If the open process n is independent of each other, and the thread is a shared resource, it does not isolate theUnder WINS, the child process does not copy the parent process'sUnder Linux, the child process completely copies the parent process's5. Threads can communicate with threads within the process in which they are locatedIv. Why to use multi-threadedMultithreading refers to the opening of multiple threads in a process, simply speaking: If multiple tasks share a single add

Read Catalogue I. IP Address Basics 1.1 IP Address structure and classification 1.2 special IP address 1.3 subnet mask 1.4 IP address request two. subnetting 2.1 subnetting Concept 2.2 Class C sub-network Division 2.3 subnetting Step 2.4 subnetting Case 2.5 sub-division Network considerations 2.6 Why subnetting and its advantages 2.6.1 why subnet Partitioning: Advantages of 2.6.2 subnettingI. Basic knowledge of IP address1.1 Structure and classification of IP addressesAccording to the TCP/IP pro

, viewing the default search path show variables like"Secure_file_priv"; /var/Lib/Mysql-Files/ 2, copy file sudo cp~/Scoretable.csv/var/Lib/Mysql-Files/ 3, execute data import statementLoadData InFile "/var/Lib/Mysql-Files/scoretable.csv " into Tablescoretab Fields Terminated by"," lines terminated by"\ n"; Sample guide: The name of the Sanguo table hero under the Moshou Library, the attack value, the country export, Sanguo.txtSelectName,gongji,country fromMoshou.sanguo intoOutFile "/

martial Arts. Can't say you confraternity member many others must join you confraternity, everybody is in order to learn a self-defense of the operation (rapid development, such as Node.js framework), you confraternity have 18 palm (express.js), others Wudang and Taiji (sails.js, etc.). In general, you can boil down the node.js development framework to two categories:-Thin frame-Full stack type frame Her

From www.techgogogo.com Editor's note: This article from the medium top three recommended articles, issued by up to 2,125 recommendations, the Chinese version by Heaven Zhuhai Branch Rudder compiled. The full text of today's popular industry's "All-stack xx division" of the argument to criticize, put forward their own unique point of view. People discovering when they have not heard of the use of the Sw

Leanengine-full-stackThe full STACK DEVELOPERComplex projects, Collaborative division, automated processes, code organization, framework selection, internationalization programs, etc.Generator or seedLeancloud node. JS Service's WEB full stack development technology solution

Fangxiao (lufax, Front-End Engineer)adapting to the reader Front End Engineer Front-End architect JavaScript enthusiasts Test Engineer Eat the melon crowd What is JavaScript full stack? Most people think that JS is not to deal with the DOM element, write the page, in fact, JavaScript has evolved to today can be used in various fields, javasript

full-stack web development language. In particular, after the rise of HTML5, JavaScript is no longer confined to the browser side, but extends its tentacles to all aspects of the network, including the IoT side, mobile phones and traditional PC-side. HTML5 is a browser-designed, well-developed JavaScript cross-platform feature that truly develops a JavaScript code that runs across platforms from IOS, Andro

At the end of the full stack development series, we talked about using Vue to authenticate front-ends. In that blog post, the process of how to build a vuefluentvalidator.js, and ultimately from the need (physical and physical authenticator) to direct use, it is clear that it is very small and competent for the job. (First of all, this vuefluentvalidator.js was conceived and written by me last weekend, July