I haven't written this series for a long time
Article Now, I like python more and more, and it occupies a larger proportion in my work. Go straight to the topic. Anydbm allows us to associate a file on a disk with a "dict-like" object and operate
During programming, I opened two Python shells, one as the server and the other as the client. Then, you can directly compile the next line at the command prompt, and feel that you are using a set of advanced command lines instead of programming.
Import:
Import a python module. It is imported only once when multiple import commands are executed. You can view the address of the imported module by using the ID (module_name;
Reload:
Reload loaded modules, which are generally used when the
We can see that the world written in C ++ is completely symmetric today (such as today:2011 1102), I also come to play with python.
The main idea is to use the year number as the number corresponding to the month and day to satisfy the completely
Python is a very concise language, and its representation of data types is not as predefined in other languages (for example, in C #, 8 types of optical integers are defined ), it only defines six basic types: String, integer, floating point, tuples,
Document directory
Urllib. urlopen (URL [, data [, proxies]):
Urllib. urlretrieve (URL [, filename [, reporthook [, data]):
The upper-layer interface provided by the urllib module allows us to read WWW and FTP data just like reading local
I usually read a book three times.First timeRead-through, without understanding, but for speed, after a few days, you will be familiar with the content and structure of the book.Second timeSlow reading and close reading. With the foundation of the
I'm tired of learning python3. Many resources are based on 2, and 3 has been around for so many years. Why are there so many thon3 resources! For beginners, each test example requires Google to differentiate between 2 and 3, and then silently modify
Link: http://www.pythonclub.org/python-class/special-function
Generally, special methods are used to imitate a behavior. For example, if you want to use index operations such as x [key] for your class (just like lists and meta groups), you only need
#-*-Coding: utf8-*-''' common Python File Operation example OS. in the path module, access the function to separate the basename () directory path, return the file name dirname (), remove the file name, return the directory path join (), and combine
Subprocess. Popen (command, shell = True)
If the command is not an executable file, shell = True cannot be saved.
The simplest method is to use class subprocess. Popen (command, shell = True ).
The Popen class has three useful attributes: Popen.
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 # coding: UTF-82 # The following function is used to calculate the number of even numbers.3 def NumberOfEven (x ):4 count = 05 while (x ):6 if
A list is a set of values of any type, which are combined into drops in a certain order. The value of the List is called Elements ). Each element is identified as an index, and the first index is 0. The elements in the list can be of any type or
Requirement: ip segment 255.255.255.255.20-255.21.11.11
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Write it down for future reuse or peers who need it ~
# Generate the boundary condition def get_side (pos, now) for the next loop: global
In the time processing process of Django's learning process, we encountered the strftime function, therefore, combined with "python cookbook" and python docs, I summarized and summarized some common operations and functions in the time module.
Next, I will give a basic introduction to the time module. On the forum, I will see someone asking for help on related questions, such
How does python convert the time "Fri Aug 13 14:05:20 2010" to the 20100813140520 format?
Use localtime to get
The Python community has a saying: "python has its own battery." Don't write the timing framework yourself. Python 2.3 hasTimeitThe perfect timing tool can measure the running time of python code.
Timeit Module
TimeitThe module definesTimerClass.
How can I pass an array to a function in the dynamic library and return a string through the passed array?Here is an indirect method. I wonder if there is a more direct way?1. function definition in the dynamic library:
Struct ss {Char name
I saw an article about Bottle and found it interesting. So I searched for some interesting things and summarized them as follows.
On the five main Python Web framework (http://www.cnblogs.com/babykick/archive/2011/11/28/2265920.html) introduced
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