python 3 7 tutorial

',' aaa ',' e ',' great '] 2: #lis. Remove (' value ') 3: #如果不存在则发生异常: 4: #Traceback (most recent): 5: # in 6: # Lis.remove (' value ') 7: In list 8: lis.remove (' a ') 9: ' great '] Ten: lis.remove (' e ') One: : Print Lis8, List.reverse (): In-situ flip list 1: lis = [1,2,3,4,' a ',' B ',' C ',' a ',' aaa ',' e ',' great '] 2: lis.reverse ()

. server { listen; server_name localhost; root/usr/share/nginx/html; Index index.php index.html index.htm; #charset Koi8-r; #access_log/var/log/nginx/log/host.access.log main; Location/{ } #error_page 404/404.html; # REDIRECT Server error pages to the static page/50x.html # Error_page 502 503 504/50x.html; Location =/50x.html { } # Proxy The PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.P hp$ { # proxy_pass http://127.0.0.1; # Pass the PHP scripts to

skits in documentation are not onlyAllowed, it is encouraged!Now so you're all excited on Python, you'll want to examine it in some more detail. Since the best-of-learn a language is-to-use it, the tutorial-invites you-play with the PythonInterpreter as you read.In the next chapter, the mechanics of the using the interpreter is explained. This was rather mundane information, but essential for trying out th

(a) while I If you want to use a function or object Y in module X, you should use from X import y instead of import x directly; X.y. This allows you to reduce the query once you use Y (the interpreter does not have to find the X module first and then finds y in the dictionary of the X module).3, using the mapping alternative conditions to findMappings (such as dict, etc.) are searched much faster than conditional statements (such as if, etc.). There

Cocos2d-x game instance-"Run" production tutorial (article 7)-add items that can eat and victory Conditions What do you mean? Flowers? No, it's your heart ~Reprinted please note, original address: http://blog.csdn.net/musicvs/article/details/8203206 Body: Note: Please download the resources used in this article: http://download.csdn.net/detail/musicvs/4769412 Our games are already very similar to game

), \ (Somepoint.1)) is outside of the box ")}The branch statement of a case can add additional judgment by whereLet Somepoint = (1, 1) switch somepoint {box let (x, y) where x = = Y:println ("x is equal to Y") default:println ("X is not equ Al to Y ")}5 Continue break Fallthrough returnContinue, terminates this operation in the loop body and continues the next operationFor index in 1...10{ if index% 2 = = 1{continue } println (Index)}Break to immediately end the execution of the current co

Tutorial using OLE Automation in JavaScript 7. How to deal with set objects The automation object has the same structure as some of its JScript objects. It exposes a variety of methods and properties that we can handle. If you have never contacted Visual Basic, you may not be familiar with the set object. A set is a group of related items. The set is used primarily in Visual Basic to keep track of many th

Python + Selenium notes (7): WebDriver and WebElement, (1)WebDriver WebDriver provides many functions and settings for interacting with browsers. Through WebDriver functions and some methods, it can interact with browser windows, warnings, frameworks, and pop-up windows, it also provides automated browser navigation, setting cookies, screenshots, and other features to facilitate our testing. (2)WebDriverFu

Each time you install Python 3 on CentOS, you need to re-check the data, this time simply write down your notes.First install GCCYum-y Install GCCYum Install Zlib-devel./configure--prefix=/usr/localMakeMake AltinstallCreate a soft linkCd/usr/binMV Python Python.backupLn-s/usr/local/bin/python3.6/usr/bin/pythonLn-s/usr/local/bin/python3.6/usr/bin/python3In fact, t

Python basics 7 -- set, python7 -- Set Set The set in Python is an unordered, non-repeating element set. Basic functions include link testing and deduplication. The Set object also supports mathematical operations such as union, intersection, difference, and sysmmetric differencr. Set supports x in set, len (set), and for x in set. As an unordered set, set does n

Sql9.3 graphic tutorial for installing PostgreSQL9.3 in CentOS 7, postgresql9.3 For example, this blog record the entire process of installing PostgreSQL in CentOS 7 and the database configuration. in Linux, PostgreSQL can be installed in two ways: 1. Install the binary installation package 2. source code compilation and Installation Because we have no special re

, which I hope you will like. Articles you may be interested in: Php extension to mongodb (initial) Php extensions to mongodb (for the first time) PHP operations on MongoDB [NoSQL] databases Php basic tutorial on MongoDB operations (connection, addition, modification, deletion, and query) MongoDB database operations implemented by PHP Efficient mongodb php paging class (skip is not used) Thinkphp uses mongodb for multi-condition query Connect

--------------------------------------------------------------------------------1. Iterator protocolAn iterator protocol is an object that must provide a next method that either returns the next item in the iteration, or causes a Stopiteration exception to terminate the iteration (only backward cannot go forward)2.python ' in for loop mechanism1. Turn them into an iterative object by calling The. __iter__ () method First.2. The For loop then cal

draftsURL2 = "Https://i.cnblogs.com/EditPosts.aspx?opt=1"BODY = {"__viewstate": "","__viewstategenerator": "fe27d343","Editor$edit$txbtitle": "This is my title: Shanghai-Leisurely","Editor$edit$editorbody": ""Editor$edit$advanced$ckbpublished": "On","Editor$edit$advanced$chkdisplayhomepage": "On","Editor$edit$advanced$chkcomments": "On","Editor$edit$advanced$chkmainsyndication": "On","Editor$edit$lkbdraft": "Save as draft",}r2 = S.post (Url2, Data=body, Verify=false)# Get the current URL addres

Windows 7 install php php-ssh2 extension tutorial (start php error: libssh2.dll loss) start php error: libssh2.dll loss. Solution: install the php-ssh2 extension.Windows 7 install php php-ssh2 extension tutorial To transfer files to the test server, we can see that PHP supports the ssh operation. so we sorted out the

PHP 7 extension development tutorial-Hello World implementation example, php7hello The example in this article describes how to implement the PHP 7 extension development tutorial "Hello World. We will share this with you for your reference. The details are as follows: 1. Download PHP source code To develop PHP extensio

xml| Tutorial Source: http://d23xapp2.cn.ibm.com/developerWorks/education/xml/xmljava/tutorial/xmljava-1-1.html Introduction to the first chapter About this tutorial In this tutorial, we'll discuss how to use an XML parser to: Working with an XML document Create an XML document Manipulating an XML document We will al

This article mainly introduces the graphic tutorial for setting up the php development environment in Windows 7, which is very detailed. if you need it, please refer to it. For Windows 7, you can download the integrated installation package of WAMP (short for Windows, Apache, MySQL, and PHP) by setting up a PHP development environment on Windows. There are many

xdebug. remote_host. It cannot be connected back to the IP address of the machine where the browser is located when running the test, unless you use xdebug. remote_connect_back. If developers have different projects on the same (development) server, you can set each project through the Apache. htaccess function.php_value xdebug.remote_host=10.0.0.5Use xdebug. remote_host. There are two solutions. First, you can use the DBGp proxy. For how to use it, see Debugging with multiple users. You can d

Linux Shell script series tutorial (7): script debugging This article mainly introduces the Linux Shell script series (7): script debugging. This article describes the Bash built-in debugging and custom debugging functions. For more information, see I. debug the script Debugging is one of the important features that every programming language should implement. Wh