2. math module
3. decimal module
4. random module
Let's take a look at the math related modules in Python, as follows:
Provides access to mathematical functions defined by the C standard (not applicable to complex numbers)
Posted on Sun, 26 Jan 2020 22:11:44 -0800 by david4u
These days, due to the outbreak of new coronavirus, the number of new confirmed cases every day surprised me to get up in the morning! In order to contribute to the society, we can stay at home and go out less even during the Spring Festival. Major IT enterprises have donated money and ...
Posted on Sun, 26 Jan 2020 21:31:29 -0800 by ollmorris
Say something first
What is an object pool
Object pool in CBE
Say something first
Writing the first CBE Source Blog: Role Account Login and Management When I noticed that the CBE was full of objects such as _g_objPool, it was obvious that it ...
Posted on Sun, 26 Jan 2020 19:48:32 -0800 by vickie
Circular queue algorithm without data item count:
It should be noted that since it is a circular queue, it is possible that the real pointer and the front pointer point to the same position, but there are many situations that cause the situation of being empty and full, so the data item is one less than the storage space, so this problem can b ...
Posted on Sun, 26 Jan 2020 09:17:39 -0800 by douga
Full column query
Specify column query
Query field is an expression
Condition query: WHERE
Paging query: LIMIT
Around a table, the four most important operations are adding, deleting, querying and ...
Posted on Sun, 26 Jan 2020 05:10:02 -0800 by nelsok
Python_Day01 (Hello and Turtle libraries)
print('hello', 'world', sep=', ', end='!')
print('goodbye, world', end='!\n')
Methods of Turtle Library
1.forward() | fd(): Move a specified distance forward.Paramet ...
Posted on Sat, 25 Jan 2020 22:00:18 -0800 by nuying117
Posted on Sat, 25 Jan 2020 07:57:43 -0800 by prent327
Given a matrix of n_n n_n(n < 1e5)n < 1e5), single point modification, interval query.
A two-dimensional tree array?The space is not open.
That's another way to remember that when you used cdq division to make a tree array before, the answer to each query was modified in front of it and the location of t ...
Posted on Thu, 23 Jan 2020 09:09:19 -0800 by crunchyfroggie
2. Classification parameters
2.1 rendering order list page by route
2.2 get the order data list by page
2.3 rendering order table table
2.4 realize paging function
2.5 realize the data linkage effect of provincial, urban and county
2.6 display logistics progress dia ...
Posted on Thu, 23 Jan 2020 07:21:03 -0800 by jqa
LeetCode question 15 , medium difficulty, Title Description:
Given a n array of N integers nums, judge whether there are three elements a, b, c in nums, so that a + b + c = 0? Find all triples that meet the conditions and are not repeated.
Note: the answer cannot contain duplicate triples.
Whatever comes first, O(n3):
Posted on Thu, 23 Jan 2020 06:42:23 -0800 by gojiita