Programmer Group

Python sorting algorithm All the following sorting methods will use the swap function to exchange the positions in the two lists. The code is as follows: def swap(lyst,i,j): temp = lyst[i] lyst[i]=lyst[j] lyst[j]=temp 1. Select Sorting: Principle (integer list sorting from small to larg ...

Article catalog Classic aircraft battle 1, Game settings 2, Our plane 3, Enemy aircraft 4, To fire a bullet 5, Issue supply package 6, Main module Classic aircraft battle The source code and material materials (pictures and audio) can be downloaded from the following github: Source code of ai ...

Array concept: Array is a container with fixed data length to ensure the consistency of data types of multiple data. To declare an array is to draw a series of continuous spaces in the memory space Array name represents the first address of continuous space All elements of the array can be accessed successively through the first address   1, Th ...

Deep learning target tracking 1. Essence: get characteristic map, output classification and location by convolution neural network. 2. Classification of target tracking: ① Single class multitarget tracking: MTCNN, Retinaface ② Multi class and multi-target tracking: RCNN, spp net, fast RCNN / fast ...

1. switch statement 1.1 branch statement switch statement format switch (expression){ case 1: Statement body 1; break; case 2: Statement body 2; break; ... default: Statement body n+1; break; } Execution process: First calculate the value of the expression Secondly, compare wit ...

Finish MySQL in half a day (all) Finish MySQL (all) 1 in half a day The blogger uses MySQL version 8.0, and the storage engine is InnoDB. We don't explain InnoDB in detail here. If necessary, we recommend you to know This article Blog (or Baidu) https://www.jianshu.com/p/519fd7747137 3A. Add, delete, ...

Article Directory Tuples, Dictionaries and Collections 1. Tuples 1. What is a tuple 1) Empty tuples: () 2) Tuples of a single element: (element) 3) Tuples of multiple elements: 2. Get the elements in the tuple 1) List of ways to get elements tuple support 2) Other ways (the same applies to lists) ...

Start to sort out the important modules of python and the parts that you often forget. First, let's study and sort out numpy. First of all, numpy (Numerical Python) is a very important library of python. It is also a program library that I often use in my study and work process. It is mainly used for ar ...

The school teacher set up two small threading jobs 1. Design aTest.cpp, defines variables: unsigned int sum=0; creates two threads T1 and T2, T1 behavior: sum+=1; T2 behavior: sum+=2; when the sum is greater than 1000000, outputs the sum value and ends the program. Q1: Run the program 10 times and rec ...

postMessage & Scheduler Write in front This article contains a certain amount of source code explanation, in which the author writes some contents to replace the official notes (that is, writing is almost equal to not writing that kind). If readers prefer the original code, Moveable step Official warehouse , read in combination. For this ...