1, the first is the video data [camera image] of the collection, usually can be used VFW VC or VB under the implementation, this library I use is not good, so has been not how to use. Now we're using the Python videocapture Library, which is simple
Use Python and numpy to process data more frequently, writing several small functions to easily read and write data:
#-*-Coding:utf-8-*-#----------------------------------------------------------------------# FileName: gettxtdata.py #功能:
Python is my favorite language, simple, graceful and easy to use. Two days ago, I was passionate about the benefits of Python to my friends.
"Well, I admit Python's good, but why is it called Python?" ”
"Well, it seems to be the name of a TV show."
Eval ()
Before you do anything with print, look at this stuff first. It's not useless, because it might be used at some point.
Copy Code code as follows:
>>> Help (eval) #这个是一招鲜, when you don't understand how to use it, look at the
Since learning Python, it has often been found that Python is a tool. Especially in the text processing, it is more comfortable to use.
When it comes to text processing, regular expressions are a great tool, and they can be searched or replaced in
This example describes how Python looks for similar words. Share to everyone for your reference. The specific analysis is as follows:
Problem:
Give you a word a, if you can get another word B by exchanging the order of the letters in the word,
This article is an example of how Python implements windows to simulate keystrokes and mouse clicks. Share to everyone for your reference. Specifically as follows:
This code can simulate the Press button on the window, the left mouse button click,
This program is actually completed very early, has not been issued, while not very busy recently to share.Using the BeautifulSoup module and the Urllib2 module, and then saving it as word is using the Python docx module, the installation method on
This example describes how Python can get the main color of a picture and compare it with a color library by PIL. Share to everyone for your reference. The specific analysis is as follows:
This code is mainly used to extract the main color from the
This example describes how Python uses regular expressions to parse pictures in a Web page and replace them. Share to everyone for your reference. The specific analysis is as follows:
This code analyzes all the picture forms in the Web page , and
A sledgehammer.
Suppose you want to learn the language of Python, but you can't find a short and comprehensive introductory tutorial. Then this tutorial will take you 10 minutes to get you into the Python gate. The content of this article is
This example describes how Python uses WebBrowser to navigate through the specified URL. Share to everyone for your reference. Specifically as follows:
This code prompts the user to enter keywords, through WebBrowser open the browser to browse
Function: Split ()
There are split () and Os.path.split () two functions in Python, which can be specified as follows:Split (): Split string. Slices a string by specifying a delimiter, and returns a list of separated strings (list)Os.path.split ():
This article describes the content of the Setuptools framework, a PEAK project that provides a simpler package management and publishing capability than distutils.Start
Setuptools modules are very "evasive". For example, if we download a package
This article describes the way Python uses 7z to extract APK packets. Share to everyone for your reference. Specifically as follows:
This code is called 7z to decompress the APK package through the shell.
def run_shell (Command,
NumPy is the foundation of numerous scientific software packages in Python. It provides a special data type Ndarray, which is optimized for vector computing. This object is the core of most algorithms in scientific numerical computation.
Compared
IntroducedLambda
Python is used to support an operator that assigns a function to a variable by default is returned, so no return keyword is added, or it will be an error.
result = Lambda x:x * x result
(2) # return 4
map ()/filter
What's the use of @property? On the surface, it is to access a method in the form of a property.
Code, the code is clearest.
Class Circle (object): def __init__ (self, RADIUS): Self.radius = Radius @property def area (self): return 3.14 *
1. Anonymous functions
Anonymous functions (anonymous function) are functions that are not bound to any identifiers, and are used in functional programming languages fields, typically:
1) passed as a parameter to the higher order function
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