Programmer Think

The essence of a computer is calculation. Internally, it is the change of bits of 0 and 1, and externally, it is the change of data. So what data can computers process? In essence, data is stored in bytes. In terms of performance, they are integers, floating-point numbers, strings and so on. Python's basic data types are no more than this. I ...

Abstract: DeltaFIFO is a Queue used to store and process data in K8s. Compared with traditional FIFO, it not only stores data and ensures first in first out, but also stores the type of K8s resource object. It is an important channel connecting reflector (producer) and indexer (consumer). This article is shared from Huawei cloud community&lt ...

Multi process Create process When executing a program in multi process mode, you need to create a process before forking #include <unistd.h> //Create a process and return the number of the process in the program pid_t fork(void); //Return process number pid_t getpid(void); be careful: Child processes and parent processes shar ...

GAN animation character avatar generation 1. Introduction A simple DCGAN network is built to generate the avatars of animation characters. The avatar data set of animation characters is taken from kaggle, and the website is as follows link 2. Network structure data setgenerator Discriminator 2.1 data set The data size is 64x64x3, and the ...

Apache Kafka is an open source stream processing platform managed by Apache and written by Scala and Java. It provides unified, high throughput and low latency features for processing real-time data. Its persistence layer is essentially a "large-scale publish / subscribe message queue according to the distributed transaction log architect ...

The implementation and explanation of PointPillars' paper and training code have been analyzed in detail in the previous article. Please refer to the previous blog: PointPillars paper analysis and OpenPCDet code analysis_ Nnnathan blog - CSDN blog. This blog will analyze the reasoning code of PointPillars model in OpenPCDet in detail and test ...

Import numpy and view version import numpy as np np.__version__ '1.13.1' What is numpy? That is, Numeric Python. After expansion, python can support array and matrix types, including a large number of matrix and array calculation functions Numpy framework is the basis of machine learning and data mining. pandas, scipy and matplotli ...

Latest features of Cartopy 0.20 Background introduction Cartopy is a map mapping package developed by the Met Office, which realizes most of the functions of Basemap and makes use of the powerful proj 4. NumPy and Shapely libraries, and a programming interface is built on Matplotlib to create and publish quality maps, and conduct geospatial d ...

The previous articles have analyzed the server startup and client connection of Netty in detail, so that you should have a more comprehensive and macro understanding of Netty. In the following article, I will analyze the source code of each main component of Netty. Personally, I think that the order from macro to detail, from surface to point, ...

1, ForewordStorage engine is a special name for MySQL. Oracle, the big brother in the database industry, SQL Server, PostgreSQL and so on do not have a storage engine.An important feature that distinguishes MySQL from other databases is its pluggable table storage engine.Engine is a foreign transliterated word, which is traditionally regarded a ...