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  • Further understanding of Java instanceof keyword

    Further understanding of Java instanceof keyword

    instanceof is a binary operator in Java, and ==, >, and < are the same type of things. Since it is composed of letters, it is also a reserved keyword in Java. Its function is to test whether the object on its left is an instance of the class on its
    2025-02-18
  • Sentences recommended in Delphi

    Sentences recommended in Delphi

    The feeling found online is very inspiring to beginners. Bookmark it! No.1 Judgment logic type}var B: Boolean; beginB := Boolean(2); //This is just for debugging//B := True;if B = True then ShowMess
    2025-02-18
  • JavaScript adds interference data to achieve simple encryption effect

    JavaScript adds interference data to achieve simple encryption effect

    JavaScript adds additional interference data like simple encryption, friends in need can refer to it. Copy the code as follows: var lishustr = qwertyuiopasdfghjklmnbvcxz;var s = lishustr.split();var lish
    2025-02-18
  • Strong anti -SQL injection

    Strong anti -SQL injection

    The strong anti -SQL injection, collected a long time ago, very good, otherwise it will not be sent to everyone, huh! Program code <%anti -injection system DIM BQS, Berrc, BIII, BURLBQS = Request.servervariables (query_string) if request
    2025-02-18
  • The method of Java read WAV file (waveform file) and draws the waveform diagram

    The method of Java read WAV file (waveform file) and draws the waveform diagram

    The example of this article tells the way Java reads WAV files (waveform files) and draws the waveform diagram. Share it for everyone for your reference. The specifics are as follows: Because many netizens have recently asked about the problems in the rea
    2025-02-18
  • What is the difference between SprNG and Struts?

    What is the difference between SprNG and Struts?

    Spring: 1) open source framework 2) IOC (control reversal), write the creation and dependency relationship of the class in the configuration file, inject the configuration file, realize that loose coupling 3) AOP will be secure. The function is extracted,
    2025-02-18
  • common-upload upload file function encapsulation class sharing

    common-upload upload file function encapsulation class sharing

    The file bean copy code is as follows: package com.onsafe.util.upload;/*** file bean* @author lushuifa*/public class FileBean {private String fil
    2025-02-18

  • This article describes the usage of swing radio box in Java. Share it for your reference. The details are as follows: import java.awt.*;import javax.swing.*;import java.awt.event.*;public class test
    2025-02-18
  • Java does not initialize logger through configuration file example

    Java does not initialize logger through configuration file example

    Copy the code as follows: import org.apache.log4j.ConsoleAppender;import org.apache.log4j.FileAppender;import org.apache.log4j.Level;impo
    2025-02-18
  • Java uses a Chinese way to display time methods

    Java uses a Chinese way to display time methods

    The example of this article tells the way Java uses Chinese to display time. Share it for everyone for your reference. The specific is as follows: The T is for seconds. For example, sometimes it is necessary to calculate how long the two tasks are differe
    2025-02-18
  • Implementing a form of any shape in Delphi

    Implementing a form of any shape in Delphi

    Form的TEXT：object Form1: TForm1Left = 192Top = 107BorderStyle = bsNoneCaption = 'Form1'ClientHeight = 348ClientWidth = 53
    2025-02-18
  • Ajax+asp application instance registration module, form submission

    Ajax+asp application instance registration module, form submission

    Example ajax registered user and form submission effect code<!--注册模块--> default.asp copy code code is as follows:
    2025-02-17
  • Basic process of installing JDK under win7

    Basic process of installing JDK under win7

    Download and install the corresponding JDK version: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html After successful installation, go to Computer-Properties-Advanced Settings-Environment Variables.
    2025-02-17
  • Explanation of Java timing tasks

    Explanation of Java timing tasks

    An experience I will share with you today is the timing task of Java, which means that the following code is executed at a certain time in a day. Public Class Timermanager {// Time interval Private Static Final Long Period_day = 24
    2025-02-17
  • Comparison of Delphi multi-layer development solutions

    Comparison of Delphi multi-layer development solutions

    ->MidasDCOMCOM+ASTARemoteObject.NETBorlandhttp://www.astatech.comhttp://www.remobjects.comCOMCOMCOMASTAMidasCOMRemObject
    2025-02-17
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