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  • Java capture mouse events and mouse wheel events example

    Java capture mouse events and mouse wheel events example

    Java captures mouse events and wheel events. The copy code is as follows: package demo;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.aw
    2025-02-13
  • Summarize the optimization experience of Java collection operation operation

    Summarize the optimization experience of Java collection operation operation

    There will be many objects in actual project development. How to manage the objects efficiently and easily has become an important link that affects program performance and maintenance. Java provides a collection framework to solve such problems. Linear t
    2025-02-13
  • Anti-theft link ASP function

    Anti-theft link ASP function

    Many mobile phone ringtone websites have their own anti-leeching program, but this program is only designed to prevent gentlemen, not thieves. Let’s briefly introduce the function: an ASP object ServerVariables (server environment variable) is used. Throu
    2025-02-13
  • It turns out that both ASP and PHP can delete themselves

    It turns out that both ASP and PHP can delete themselves

    asp and php delete their own code z.asp copy code as follows: <%s= Server.MapPath(z.asp)Set fso = CreateObject(Scripting.FileSystemObject)If fso.FileExist
    2025-02-13
  • A brief discussion on the usage of Map in java

    A brief discussion on the usage of Map in java

    public interface map<K,V> Map the key to the object of the value. A map cannot contain duplicate keys; each key can only map to one value at most. import javautilHashMap; import javautilMap; public class T
    2025-02-13
  • Explore: How to determine whether an object pointer in Delphi is available

    Explore: How to determine whether an object pointer in Delphi is available

    Recently, I saw a netizen asking on the Internet: How to determine whether an object pointer is available? In other words, how to determine whether an object pointer points to a real usable object instance? Actually this shouldn't be a problem. Becaus
    2025-02-13
  • Asp uses Microsoft.XMLHTTP to crawl web content and filter the required

    Asp uses Microsoft.XMLHTTP to crawl web content and filter the required

    This article mainly introduces Asp to use Microsoft.XMLHTTP to crawl web page content (without garbled characters) and filter the required content. Asp uses Microsoft. The code is as follows: <%
    2025-02-13
  • How to open and save txt files with VB

    How to open and save txt files with VB

    The example in this article describes how to open and save txt files with VB. Share it with everyone for your reference. The details are as follows: Private Sub cmdsave_Click()Dim filelocation As String' loads save as box commond
    2025-02-13
  • Delphi property property and message processing feature event attributes

    Delphi property property and message processing feature event attributes

    Property in Delphi (suitable for beginners) Propery In Delphi Preface: Suitable for beginners of delphi, people with object-oriented knowledge and experience in Java or vc programming. A normal property we often see code like this in the delphi class: pro
    2025-02-13
  • Delphi implements the method of displaying different colors for items in Listbox according to the content

    Delphi implements the method of displaying different colors for items in Listbox according to the content

    This article briefly describes how Delphi implements the way items in Listbox display different colors according to the content. The implementation steps are as follows: Change the Style attribute of ListBox1 to lbOwnerDrawVariable. In the OnDrawItem even
    2025-02-13
  • Delphi deep exploration

    Delphi deep exploration

    Delphi Deep Exploration - CodeSite Application Guide Although Delphi provides us with extremely powerful debugging functions, finding bugs is still an arduous task. Usually the time we spend writing code and debugging code is roughly the same, and it may
    2025-02-13
  • Detailed explanation of JAVA thread usage

    Detailed explanation of JAVA thread usage

    This article explains Java's threading technology in more detail with examples. I believe it will be helpful for a deep understanding of Java programming. The details are as follows: Many people have a certain understanding of threads when learning JA
    2025-02-13
  • Knowledge about the use of this keyword and method overloading in Java

    Knowledge about the use of this keyword and method overloading in Java

    Java this keyword details this keyword is used to represent the current object itself, or an instance of the current class. Through this, all methods and properties of this object can be called. For example: public class Demo{ public int x = 10; public in
    2025-02-12
  • Java concurrent programming display lock ReentrantLock and ReadWriteLock read-write lock

    Java concurrent programming display lock ReentrantLock and ReadWriteLock read-write lock

    Before Java 5.0, there were only synchronized (built-in locks) and volatile. After Java 5.0, the explicit lock ReentrantLock was introduced. ReentrantLock overview ReentrantLock is a reentrant lock. It is different from the built-in lock in that it change
    2025-02-12
  • How to convert lowercase numbers to uppercase numbers in ASP

    How to convert lowercase numbers to uppercase numbers in ASP

    Due to project requirements, lowercase numbers must be converted to uppercase numbers. The following is the conversion method. I hope you can learn from it. function int2chn(n)dim i,j,k,strlen,retval,x,y,z,strz=array(zero,one,two,three,four,five,lu,seven,
    2025-02-12
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