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  • Delphi message processing on threads

    Delphi message processing on threads

    When writing programs, you always encounter problems with the communication between the form (TForm) and the thread (TThread) message. What is annoying is that the form cannot send messages to the thread (TThread) (the thread does not have a window handle
    2025-02-21
  • Java realizes WeChat payment by JSAPI

    Java realizes WeChat payment by JSAPI

    To use JSAPI for WeChat payment, you must first get a Prepay_id from WeChat, and then complete the payment by calling WeChat's JSAPI. The return result of the JS API is GET_BRAND_WCPAY_REQUEST: OK only returns when the user has successfully completed
    2025-02-21
  • Introduction to the Observer Mode (Observer Mode) of Java Design Pattern

    Introduction to the Observer Mode (Observer Mode) of Java Design Pattern

    When Java goes deeper to a certain level, it will inevitably encounter the concept of design pattern. Understanding the design pattern will give you a deeper understanding of interfaces or abstract class applications in Java. Design patterns are widely us
    2025-02-21
  • Java Mail Mail Receive Tool Class

    Java Mail Mail Receive Tool Class

    Below is a tool for receiving emails, which is a bit long! ! ! public class ReciveMail { private MimeMessage msg = null; private String saveAttchPath = ""; pr
    2025-02-21
  • Java implementation example of creating a custom menu for WeChat public platform

    Java implementation example of creating a custom menu for WeChat public platform

    Copy the code as follows: import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnec
    2025-02-21
  • A brief discussion on java encapsulation

    A brief discussion on java encapsulation

    1. What is packaging? Encapsulation is to privatize attributes and provide public methods to access private attributes. The method is to modify the visibility of attributes to limit access to attributes, and create a pair of getter methods and setter meth
    2025-02-21
  • List of BCB and Delphi project file extensions

    List of BCB and Delphi project file extensions

    List of BCB and Delphi project file extensions FilePRodUCtPurposedefproj.optDelphi 1 onlyDefault project options for the IDEdelphi.dmtDelphi 1 onlyT
    2025-02-21
  • Analysis on the principle of Trojan horse in one sentence of asp

    Analysis on the principle of Trojan horse in one sentence of asp

    The one-sentence Trojan is inserted into the ASP file: Of course, the one-sentence Trojan itself is the ASP file. Able to access with IE: Only if we can access, we can submit data. As long as it can be accessed, it can be accessed through HTTP protocol. I
    2025-02-21
  • discuz 2.0 integrates asp system, users add functions

    discuz 2.0 integrates asp system, users add functions

    My approach is to log in once to the original login system, record the username and password, then add a forum user to the database (note that the password is 32-bit MD5), and then use Snowman's method to integrate and synchronize the login. You can r
    2025-02-21
  • Java calls linux shell script method

    Java calls linux shell script method

    First, we need to increase the user's execution permissions for the script, that is, copy the code as follows: String cmdstring = "chmod a+x test.sh"; Process proc = Runtime.getRuntime().exec(cmdstring
    2025-02-21
  • Example sharing of Java using generics to implement stack structure

    Example sharing of Java using generics to implement stack structure

    Idea Analysis: Since you use generics to implement the stack structure, you cannot use the stack package that comes with JDK. You need to define a stack structure yourself, such as LinkedList. The code is as follows: Stack.java: Copy the code as follows:
    2025-02-21
  • The magical function of FSO in ASP - File reading

    The magical function of FSO in ASP - File reading

    Now some user information is saved in a file, like a simple database. Suppose there is a user who wants to know all visitors and separate the relevant parts from the registered information because there is no structured column like a database. We know tha
    2025-02-21
  • Implement functions and objects sharing between Delphi and C++ 

    Implement functions and objects sharing between Delphi and C++ 

    Calling C++ functions in Delphi is quite direct and calling Delphi functions in C++. It should be noted that the default function calling method of Delphi 1 is Pascal, while the default method of Delphi 4 and Delphi5 is the optimized cdecl call method, th
    2025-02-21
  • How many days and weeks of Java to calculate for a month

    How many days and weeks of Java to calculate for a month

    Import java.util.Calendar;/*** Function Overview: Calculate the number and weekly number of days and weeks of the specified year<br> * Creation time: 2010-5-17 05:25:58 pm<br> * */Public Class test {Public Stat
    2025-02-21
  • Java custom task class timed execution of tasks example callable and future interface usage methods

    Java custom task class timed execution of tasks example callable and future interface usage methods

    Callable and Future interface Callable are interfaces similar to Runnable. Classes that implement Callable interface and classes that implement Runnable are tasks that can be executed by other threads. There are several differences between Callable and Ru
    2025-02-21
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