Fast start fapy
Fast start fapy
Understanding of fapy package
install
features
Examples of use
Usage of command line tools (ytdl)
ytdl example:
Understanding of fapy package
Today, when I was paddling the water, I picked YouTube. After a fierce operation, I couldn't find the url I wanted. So I googled it and ...
Posted by frikus on Thu, 18 Jun 2020 21:15:56 -0700
Inside of Rust async/.await
In this tutorial, we will analyze the internal running mechanism of async/.await in detail. We will use the async STD library instead of tokio, because this is the first t rust library that supports async/.await syntax. The tutorial of async/.await principle analysis is divided into two parts, which is the first part.
Blockchain development tu ...
Posted by Imad on Thu, 18 Jun 2020 20:06:38 -0700
Write a calculator program using fyne
brief introduction
In the previous article, we introduced fyne, a high-skin GUI library for Go.This article goes on to show how to write a simple calculator program using fyne.The program works as follows:
Control Layout
We useWidget.EntryTo display the input numbers, operators, and operation results.Create one firstWidget.EntryObject, set to ...
Posted by hrichman on Thu, 18 Jun 2020 18:32:58 -0700
educoder structure and common body
Program fill in blank 1
Task description
This task: the function of the program is to simulate the election and count the votes of candidates. Please fill in the program so that it can run correctly and get the result.
Relevant knowledge
Relevant knowledge
Programming requirements
Please read the code o ...
Posted by Talon on Wed, 17 Jun 2020 19:17:17 -0700
[Asp.netCore Series) 10 ActionFilter s
0. Preface
In the previous article, we mentioned how to create a UnitOfWork and enable it through the ActionFilter setting.In this post, we'll give you a brief introduction to ActionFilter and how to use it to complement the tool classes in the previous article.
1. Introduction to ActionFilter
The full name of ActionFilter is ActionFilterAttrib ...
Posted by blankextacy on Wed, 17 Jun 2020 15:03:01 -0700
My development diary
Today, I mainly solved the verification of the login status of the test account. My current solution is to use the special syntax uid=123 when writing the test case, which means that the field of the use case should go to the login credentials of the test account with uid equal to 123. The difficulty is that the login credentials will expire an ...
Posted by tbach2 on Tue, 16 Jun 2020 21:49:56 -0700
Design mode summary
Through encapsulation, inheritance and polymorphism, the coupling degree of the program is reduced, making the program more flexible, easy to modify and easy to reuse
Simple factory
public class Operation {
public double NumberA { get; set; }
public double NumberB { get; set; }
public virtual double GetResult()
{ ...
Posted by vanzkee on Tue, 16 Jun 2020 20:45:41 -0700
Chapter 2 Introduction to MyBatis
Simple Edition
Create a test table
Create the corresponding JavaBean
Create mybatis configuration file and sql mapping file
test
MyBatis operation database
Create MyBatis global profile
The global configuration file of MyBatis contains settings and properties information, such as database connection pool information, which affect MyBatis' ...
Posted by sumolotokai on Tue, 16 Jun 2020 20:27:06 -0700
File IO programming under Linux
Linux system call refers to a set of "special interfaces" provided by the operating system to user programs through which user programs can obtain special services provided by the operating system.
To better protect kernel space, programs are divided into kernel space and user space, which ru ...
Posted by locomotive on Tue, 16 Jun 2020 18:34:54 -0700
HashSet expansion mechanism wastes much more time and space than you think
One: Background
1. Storytelling
Since this pure memory project entered the big client, I am now very sensitive to memory and CPU, run a little bit of data memory up and down a few G s, especially insecure, always want to grab a few dump s with windbg to see which one is caused, is my code or my colleague's code?Many old friends who have read my ...
Posted by kulin on Tue, 16 Jun 2020 18:09:34 -0700