Article. Page 39



Article

MySql grouped to display the record with the maximum or minimum value of the specified field

Sometimes we have this requirement: querying grouped results as subtables, while the main table requires the maximum or ...
10:55 15 July 2020
Article

mysql table_id article search

Alas, misfortune is not a single line, just encountered deadlock problem, encountered table_id problem... ...
10:39 15 July 2020
Article

kotlin uses Parcelize annotations to simplify Parcelable writing

kotlin uses Parcelize annotations to simplify Parcelable writing ...
10:24 15 July 2020
Article

Unity3D-iOS calls the native application details interface (which pops up directly in the game)

It could have been through Unity Application.OpenUrl However, there is another way above iOS6 to pop up the evaluation b...
11:41 14 July 2020
Article

Android Dropdown Refresh Dropdown Load More, PullToRefresh Third Party

Don't say anything but the picture above I'm using a third party that relies on PullToRefresh to do this This is just ...
11:12 14 July 2020
Article

Java Server-side CORS Cross-Domain Configuration

Now the web program architecture tends to be more and more front-end and back-end separated, the benefits of front-end a...
10:34 14 July 2020
Article

CentOS 7 installs Python 3.6, pip3 error problem

After installing Python 3.6.3 on CentOS 7, the following errors occurred when using the pip command ...
12:30 13 July 2020
Article

Android for Picture Reflection

Provides a tool class for Android image reflection effect, which is very useful. First, the previous image: ...
12:27 13 July 2020
Article

divier for RecyclerView (you can control whether the boundary is displayed)

Design Idea: Because ItemDecoration is a modification of an item, if a split line is used, add a split line to the botto...
11:59 13 July 2020
Article

Android Custom WheelView

function Wheeled Select View, similar to TimePicker or Da...
11:47 13 July 2020
Article

Beginner vue+webpack (front end of formal pit entry)1

1. Install firstNode.jsEnvironment Official Website Address https://nodejs.org/en/ Text editor chooses sublime text3 (vs...
11:03 13 July 2020
Article

Android Design Mode - Builder Mode

Builder mode is also a very common mode, such as AlertDialog in Android, which uses Builder design mode. Here is an exam...
12:26 12 July 2020
Article

Experience with async/await

Running Environment This method is supported above node7 This feature is supported above chrome55 and is typically used...
11:15 12 July 2020
Article

Experience with async/await

Running Environment This method is supported above node7 This feature is supported above chrome55 and is typically used...
11:13 12 July 2020
Article

Experience with async/await

Running Environment This method is supported above node7 This feature is supported above chrome55 and is typically used...
11:13 12 July 2020
Article

List operations in Python

Python's list manipulation is powerful and convenient (as opposed to Java)Say nothing about simple, regular operations (...
10:52 12 July 2020
Article

List operations in Python

Python's list manipulation is powerful and convenient (as opposed to Java)Say nothing about simple, regular operations (...
10:52 12 July 2020
Article

List operations in Python

Python's list manipulation is powerful and convenient (as opposed to Java)Say nothing about simple, regular operations (...
10:50 12 July 2020
Article

Print binary tree from top to bottom

Print a binary tree from top to bottom in no line order. Control of boundary conditions Add each node into a sequence a...
12:23 11 July 2020
Article

Print binary tree from top to bottom

Print a binary tree from top to bottom in no line order. Control of boundary conditions Add each node into a sequence a...
12:22 11 July 2020
Article

3 sentences of code for adding lines dynamically

Use Front End MVVM FrameworkAvalon.js, 3 sentences of code to do the dynamic addition of lines. ...
11:50 11 July 2020
Article

3 sentences of code for adding lines dynamically

Use Front End MVVM FrameworkAvalon.js, 3 sentences of code to do the dynamic addition of lines. ...
11:49 11 July 2020
Article

Summary of domains and closures in js

Foreword: Scope is a very basic knowledge in js, and it is also a place that front-end interview questions like to exami...
11:33 11 July 2020
Article

Summary of domains and closures in js

Foreword: Scope is a very basic knowledge in js, and it is also a place that front-end interview questions like to exami...
11:33 11 July 2020
Article

Merge sort algorithm implemented in Java

The following is a merge sort algorithm implemented in Java, referencing Algorithms Unlocked by Thomas H. Cormen ...
11:37 10 July 2020
Article

Fingerprint and face recognition

1. Fingerprint Identification 1. Introduction to fingerprint recognition The iPhone 5S begins to have fingerprint recogn...
10:46 10 July 2020
Article

The choice of Hybrid APP hybrid development mode (7: full version of JSBridge)

preface Reference sources This paper refers...
12:14 9 July 2020
Article

Singleton mode -- Implementing multiple document windows (MDI)

Use MS visual studio to design a multi document window (MDI), then create a toolbar (ToolStrip), add a button in the too...
11:50 9 July 2020
Article

[javaFX Learning] (3) Control Manual

move toHttp://blog.csdn.net/qq_37837828/article/details/78732605 update ...
12:21 8 July 2020
Article

Coexistence of Kotlin and Java, calling kotlin code in -Java

Call of kotlin data class Call of object simple profit mode class in Kotlin Calling file class in Kotlin Flexible transf...
12:02 8 July 2020