Python Import in different directories

Python contains the module method in subdirectories is relatively simple, the key is to be able to find the path to the module file inside the Sys.path.Here are some examples of common situations:1. The main program is in the same directory as the

Python's Decorator

Suppose there is a scenario like this:The developer made an app that reminds the user to kill the product in a single second.def buy ()Print "Kill the furniture in one second!"def buy ()Print "Kill the vegetables in one second!"def buy ()Print "Kill

Python basics of sys.argv[] usage

Sys.argv[] is used to get command-line arguments, Sys.argv[0] represents the code itself as a file path, so the parameters start at 1 .Arg[1] Represents the first command-line argumentArg[1][2:] means taking the first command-line argument, but

Caffe Python Interface Learning (5): Generating a deploy file

If you want to test a good model of the new picture, it must have a deploy.prototxt file, the file is actually similar to the Test.prototxt file, only the tail and the same. The deploy file does not have the first layer of data entry, and there is

Caffe Python Interface Learning (6): Use a well-trained model (Caffemodel) to classify new images

After learning from the previous two posts, we have trained a Caffemodel model and generated a deploy.prototxt file, and now we use these two files to classify and predict a new image.We randomly look for an image from the test set in the Mnist

The thread, process, and Day11 of the "Python Road" network chapter

Directory:Basic conceptsThreadProcessCo-processI. Basic CONCEPTSToday's operating systems, such as UNIX, Linux, Windows, Mac OS X, and so on, are all operating systems that support multitasking.What do you mean "multitasking"? The simple

Python Network drawing--networkx

Networkx TutorialDraw a basic Network DiagramDraw Network Diagram with MatplotlibBasic Flow:1. Import Networkx,matplotlib Package2. Establish a network3. Draw Network Nx.draw ()4. Establish layout pos = nx.spring_layout beautification functionThe

Python Advanced Learning Notes (i)

(Note scope: Chapter I course introduction; Chapter two functional programming; Chapter III module) Python-supported functional programming Not purely functional programming: allowed variables Supports higher order functions: Functions

Getting started with python-guessing the numbers game

Learning materials:www.fishc.comMy first program:Print ('-------Misszhou's first game-------------') temp=input (' Guess what she's thinking ' about that number ') Guess=int (temp) If guess==8: print (" How did you guess ") print (" guessed is

Day10 python scope Python2.7 and python3.x class inheritance differences and other

One, Python scope 1. No block-level scope in Python if 1 = =1 :'test'print(name)# The output will error because the scope of name is limited to the code block under if and not to the global2. Use function as scope in Python def func (): '

The yield generator for Python

1, compare range and xrange difference:>>> print Range [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]>>> print xrange (Ten) xrange (10)The difference between range () and xrange () is that range creates all the specified numbers in memory, and Xrange is not created

Python: String Formatting

String formatting: string Formatting:%:%s formatted as string [HTML] view plain copy>>> format ="Hello,%s.%s enough for ya?">>> values = (' World',' Hot') >>>PrintFormat%values Hello, world. Hot Enough forya? %F formatted as real number

Python cryptographic module (md5,sha,crypt) Learning

Python cryptographic module (md5,sha,crypt) LearningThe command line uses Python MD5:[Email protected]:~/data/work/svn/v1.4.0_dev/apps$ pythonpython 2.7.3 (default, APR, 06:20:15) [GCC 4.6.3] on Linu X2type "Help", "copyright", "credits" or "license"

Python Crawl site Beauty pictures

Today in Friday, the project just finished online, some time, idle bored, continue to review the crawler, this time to crawl the site's beautiful pictures. Must first find the target, and then the target site will not be anti-crawler, because they

Python calls (runs) external programs

In Python, it is easy to run other scripts or programs using the OS module, so that you can use other scripts directly in the script, or the functionality provided by the program, without having to write code that implements the functionality again.

Some questions about Python Syntax 1

Open File operation Python strip () function . Read (), ReadLine () and ReadLines () Split () function One, open file operation open/file OperationsF=open ('/tmp/hello ', ' W ') #open (path + file name, read-write mode) #读写模式: R read-only, r+ read/

Python module--publicsuffix < get the domain name of the URL >

Domain names like com/.cn/.org are good to solve.Similar. com.cn/.org.cn similar domain name does not have a direct solution, I would like to collect all the top-level domain name generation list and then use regular match, but found

Install Python on Mac

1. Download the latest version of Python 3.X from the official website and install it; Because Python 2.7 is already integrated by default in Mac OS X EI Capitan, you need to enter PYTHON3 in terminal to detect if the installation was successful,

Python's common operations on redis (list, string, and hash structure operations) and pythonredis

Python's common operations on redis (list, string, and hash structure operations) and pythonredis All the discussions here are based on the python redis-py library. Installation and use: pip install redis Then obtain a redis client: redis_conn =

Python if .. else, pythonif .. else

Python if .. else, pythonif .. else I. Introduction 1. Complete Form If : elif : elif : else: Note: 1. the colon after the if clause cannot omit ":", and four spaces are required for the indent rule. 2. if the value of True is determined from the

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