MotivationToday, a friend wrote that he thought his WordPress blog to display the access statistics are not normal, I hope I can create some access information for him, for him to compare. A friend's request is to quickly open 100 different blog
A function is an organized, reusable code used to perform a single, related action block. Functions provide a better module for the height of application and code reuse.
As we know, Python has many built-in functions such as print (), but it can
The program that is being written uses many of the operations under Windows to check out a lot of information. See the operation of the Clipboard, think of the previous want to do a small program, then did not do, and now just finished
There are many useful tool classes in the Python standard library, but it is not clear how to use the detail description on the standard library document, such as URLLIB2, which is the HTTP client library. Here is a summary of some of the URLLIB2
In the Python standard module, there are several modules for data compression and decompression, such as Zipfile,gzip, bz2, and so on. Last introduced the ZipFile module, today to talk about the Zlib module.
zlib.compress (string[,
When I met one of the founders of the SimPy bag, Klaus Miller, I learned about the package from him. Dr. Miller has read several cute Python columns that suggest techniques for implementing semi-collaborative routines and "lightweight" threading
Python's Base64.decodestring method does base64 decoding the Times wrong:
The code is as follows:
Traceback (most recent):File "/export/www/outofmemory.cn/controllers/user.py", line 136, in DecryptpasswordEncryptpwd = Base64.b64decode (encryptpwd)
The lower () method returns a copy of all case-based characters that are converted to lowercase strings.
Grammar
The following is the syntax for the lower () method:
Str.lower ()
Parameters
NA
return value
All uppercase and
Python is a dynamic language without static checking, and sometimes it is necessary to ensure that arguments are valid when calling a function. Checking the legitimacy of parameters is a significant aspect of the scene, and each function may have
On impulse to write a multi-threading girl figure, although the code is still some flaws, but still recorded, share to everyone.
pic_downloader.py
#-*-Coding:utf-8-*-"" "Created on Fri 17:30:58 @author: Dreace" "" Import urllib2import sysimport
The example in this paper describes the method of translating the Python string into Morse code. Share to everyone for your reference. The implementation method is as follows:
chars = ",. 0123456789?abcdefghijklmnopqrstuvwxyz" codes = "" "--.. --
There may be a situation when you want to check other conditions after a condition resolves to true. In this case, you can use a nested if structure.
In a nested IF statement structure, you can have another if ... else structure inside an if ...
First, Pickle
The pickle module is used for serializing and deserializing Python objects. Typically, pickle Python objects into binary streams or files.Serialization and deserialization of Python objects to and from files:
The code is as
This article describes a Python-based batch conversion method that implements Java source code from ANSI to UTF-8. Share to everyone for your reference. Specific as follows:
Like with eclipse of the great gods, may accidentally code becomes ANSI
The example in this paper describes the python implementation of the Chinese characters into Hanyu Pinyin library. Share to everyone for your reference. The specific analysis is as follows:
The following Python library can easily convert Chinese
The examples in this article describe how Python implements simple HTML table parsing. Share to everyone for your reference. The specific analysis is as follows:
Rely on libxml2dom here to make sure to install first! Import into your footsteps and
Use Python to do a very common thing: Open the file, read the line, and finally turn off the file; Further requirements are that this may be an optional function in the program, if there are any problems, such as the file cannot be opened, or the
The example in this article describes how Python compresses all files in a folder to a zip file. Share to everyone for your reference. Specific as follows:
With this code can be used to package their own folder as Zip, I use this code to back up
The Django database layer generates SQL schemas-from Python code but for legacy databases, you already have SQL schemas. In this case, you need to create a model for a data table that already exists. To do this, Django comes with a tool that can
Introduction
With the Psutil module (https://pypi.python.org/pypi/psutil/), it is very convenient to monitor the system's CPU, memory, disk IO, network bandwidth and other performance parameters, whether the following code to monitor the CPU
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service