Back-end

11:00 interview ,11:04 Just came out , The question is too much ...

From outsourcing , I didn't expect the algorithm to die in another factory since joining this company , I work overtime every day , A lot of money...
2022-02-15 10:40 views 13

python Miscellaneous notes —— Magic method

What is magic function python What magic functions are there in
2022-02-08 20:28 views 18

C Language writing games —— mine clearance

game.h#include <stdio.h>#include <stdlib.h>#include <time.h>#define ROW 9#define COL 9#define ROWS ROW+2#define COLS COL+2#define...
2022-02-06 14:52 views 16

utilize idea yes mysql Add, delete, check and modify

Import jar Package mode import java.sql.*;public class jdbcdeno1 { public static void main(String[] args){ // (" link url+/ Database name...
2022-02-04 10:25 views 16

Java NIO Why out of heap memory OOM Yes ?

Call the police one day ： A service deployed by a machine suddenly cannot be accessed . Remember the first reaction, log in to the machine and vie...
2022-02-01 18:54 views 188

Dynamic memory management analysis and understanding

1. Why is there dynamic memory allocation * Dynamic memory is opened up in the heap * The way we have mastered to open up memory is to directly de...
2022-01-31 23:52 views 30

python Face recognition

Code result ： Find imported xml file import cv2 print(cv2.__file__) find cv2 Installation path , Found under this path /data file . Some of them a...
2022-01-27 10:21 views 27

Python Packaging artifact ——Nuitka

one . pyinstaller and Nuitka Use feeling 1.1 The use requirements are also due to the needs of the project this time , Want to python Code conver...
2022-01-24 21:09 views 182

17.C Advanced language —— Deep understanding pointer

Pointer advanced 1. Common situation of character pointer in the type of pointer, we know that one pointer type is character pointer char* ; Gen...
2022-01-18 10:46 views 28

In Ali 10 year Java My cousin came back from vacation , After chatting, I realized everything

My cousin is from a project team Java development , I came back from the holiday half a month ahead of the Chinese new year this year , As soon as...
2022-01-17 19:25 views 35
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