Tag: let

el-autocomplete required verification questions

Description of requirements In the form, Permission number is the remote search component el-autocomplete, and the binding value of this component is of type String When submitting, business requirements need to pass the Permission number value of the entire object, including fetchId and fetchName Therefore, you need to listen to the selection event of el-autocomplete, […]

Message queue implements AB process dialogue; shared memory and semaphore set complete multi-process string flipping and output

Message queue implements AB process dialogue Requirements Process A first sends a sentence to process B, and process B prints it after receiving it. Process B then replies a sentence to process A, and process A prints it after receiving it. Repeat step 1.2 Shared memory and semaphore set complete multi-process string flipping and output […]

Asynchronously calling RESTful interface based on okhttp3 and CompletableFuture

Application scenarios When the server program provides a set of RESTful interfaces for third-party calls, it often needs to provide the other party with an SDK. At this time, if you simply use the okhttp3 client to encapsulate the calls, when the request volume is large, request blocking will often occur and the JVM memory […]

[WPF] Use ControlTemplete to create circular buttons and add animation effects

Create button in window <Window x:Class=”SDKSample.MainWindow” xmlns=”http://schemas.microsoft.com/winfx/2006/xaml/presentation” xmlns:x=”http://schemas.microsoft.com/winfx/2006/xaml” xmlns:d=”http://schemas.microsoft.com/expression/blend/2008″ xmlns:mc=”http://schemas.openxmlformats.org/markup-compatibility/2006″ xmlns:local=”clr-namespace:SDKSample” mc:Ignorable=”d” Title=”MainWindow” Width=”250″ Height=”250″> <StackPanel Margin=”10″> <Label>Unstyled Button</Label> <Button>Button 1</Button> <Label>Rounded Button</Label> <Button” Width=”65″ Height=”65″>Button 2</Button> </StackPanel> </Window> The running interface is as follows: Create ControlTemplete The most common way to declare a ControlTemplate is as a resource in the Resources section of the […]

Delete duplicate integers from ordered array in place

Given a sorted array, delete in-place integers that are repeated more than twice. (This note is suitable for coders who are familiar with Python lists) [The details of learning are a joyful process] Python official website: python cutting edge. Unfortunately it’s the original English version. So, I want to practice English reading. ” rel=”noopener noreferrer”>https://www.python.org/ […]

python self (2) slice dictionary traverse delete add modify query definition function function return value scope serialization exception error urllib uses one type and six methods to download video audio picture

Slice # # Slice # s = ‘hello word’ # # The subscript index is 0 # print(s[0]) #h # # Left closed and right open (left starts with the subscript, right is several index values), for example, 4 index values starting from 0 # print(s[0:4]) #hell # # Change the starting position of the […]