full stack development tutorial

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

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

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----------> strs = B.decode (encoding= ' utf-8 ')byte array ByteArrayis a variable sequence of bytesCon

number and print it out.Answer:628496......defMywqs (x): s=0 L= [] forIinchRange (1, x):ifX% i = =0:l.append (i) forIinchl:s+=Iifs = =x:returnTrueElse: returnFalsei=0wqs=0 whileWqs : I+ = 1ifMywqs (i) = =True:Print(i) Wqs+ = 1cough again to the Blowing NB linklocals (), Globals ()is a query function that returns information in a dictionary form.function variables? you just think of it as a global variable binding data and it's so simple to bind a statement blockWhat is a scope? Scope

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.Generate a list of squares with a value of 1 ~ 9, minus all the odd squaresAnswer: for in range (2, 2)]print(L) for inch if x% 2 = = 0]pri

parameter list can be empty6. The statement part cannot be empty, if the empty needs to fill the passReturn to create a return value statement:Used in a function to end the execution of the current function, returning the place where the function was called, and returning the reference relationship of an objectreturn[-expression]([] representative can omit)Description1. A function call is an expression2. If there is no return statement inside the function, return the None object after the funct

Weak references (Weak reference) attempt to access objects that have been garbage collected RuntimeError General run-time errors Notimplementederror Methods that have not been implemented SyntaxError Python Syntax error Taberror Tab and Space Mix Systemerror General Interpreter system error Unicodeerror Unicode-related errors Unicodedecodeerror Error in Unico

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, 6) # LST = lst + (4, 5, 6)F1 (L)Print (L) # (1, 2, 3) whyPractice:1. Implement two custom list additionsClass MyList:.... Implement i

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 layers)11 11 2 11 3 3 11 4 6) 4 11 5 10 10 5 1Thinking:L = [2, 3, 5, 7]L2 = [x * * 2 for x i

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

IOS full-stack siege Lion (PHP) -- Session3 processes client input What? Client IP URI (resource path) accessed by the client) User-Agent GET parameters (parameters passed in using URLs) POST parameters (parameters input using HTTP Body) are common client input content and are various data sent to the server during client access to the server. How? GET It is very easy to GET input using PHP. GET

Weaving dream two times development manual weaving Dream Imitation Station tutorial, advanced two development (including beginner, intermediate, advanced) the first, middle and advanced two development (intermediate upper) the first, middle and advanced two development (juni

development of software developers want to the front-end development engineers to transform the general programmer, web designers, testers, PHP development engineers, etc.--Professional 0 beginnings--Education: college, high school or above--Basic computer operationLearning GoalsFront-end designers and front-end development