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JavaSE13–static, final keywords
1 static keyword 1.1 static overview The static keyword can be used to modify member variables and member methods. The modified members belong to the class >, rather than just belonging to an object. Members modified by static are shared by all instances (objects) of the class; The static keyword in Java is used to […]
python database-Mongodb
1. Introduction to Mongodb MongoDB is an open source NoSQL database system. It is a document-oriented database that uses JSON format to store and query data. MongoDB is a non-relational database designed to feature high performance, high availability and scalability, and is suitable for processing large amounts of unstructured data. Features: MongoDB is a database […]
＜C++＞ STL_unordered_set/map
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[Element-UI] Realize dynamic tree, data table and paging effects
1. Introduction 1. Introduction In modern software development, dynamic trees, data tables and pagination effects have become the core requirements of many applications. As business scale and complexity increase, we often need to display a large amount of hierarchical structure data and implement highly interactive and efficient operations. Dynamic trees provide a clearly organized and […]
[Element-UI] CUD (add, delete, modify) and form form verification (source code attached)
Table of Contents 1. Introduction 1 Introduction 2. Function 2. CUD 1. Add modifications 1.1. Add pop-up window 1.2. Define variables 1.3. Definition method 1.4. Complete code 2. Delete 2.1. Definition method 3. Form verification 1. Add rules 2. Define rules 3. Submit event 4. Complete front-end code 1. Introduction 1. Introduction Add, delete, and […]
SAP FI FS10N exclude specific voucher types
financial requirements It is necessary to remove the CO type credentials. After debugging, we found that Filter conditions in GT_selection Try making an enhancement in this function *————————————————- ————————–* ***INCLUDE FAGL_FILL_GT_SELECTIONS . *———————————————— ———————* * &————————————————- ———————–* * & amp; Form fill_gt_selections * &————————————————- ———————–* * fill gt_selections *———————————————— ———————* FORM fill_gt_selections TABLES ut_racct TYPE […]
How to install tensorflow and keras==2.2.0 in python
Install Keras==2.3.0 in 1.python You can use pip to install a specific version of Keras. Run the following command on the command line: pip install keras==2.3.0 This will download and install version 2.3.0 of Keras and its corresponding dependencies. Please make sure your Python environment is configured and has sufficient permissions to install packages. Install […]
Android simple example code for recording using MediaRecorder
MainActivity.java package com.example.soundrecord_demo; import java.io.IOException; import android.media.MediaRecorder; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity implements OnClickListener{ private Button btn1, btn2; private MediaRecorder record; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn1 = (Button) findViewById(R.id.button1); btn2 = (Button) findViewById(R.id.button2); btn1.setOnClickListener(this); btn2.setOnClickListener(this); } @Override public boolean […]