An implementation class using Windows API to control playback volume and recording microphone volume (C + + code)

1, header file (Mixer.h) Mixer.h:interface for the Cmixer class. #if!defined (afx_mixer_h__7369baa5_012e _467E_AD1E_A383E4474C58__INCLUDED_) #define AFX_MIXER_H__7369BAA5_012E_467E_AD1E_A383E4474C58__INCLUDED_ #define Win32_lean_and_mean//Exclude

The sum of the edge elements of the matrix in Coursera C language Advanced exercise calculation

I've been procrastinating for the last time, and I'm going to keep it up today. Programming Title #: Calculating the sum of the edge elements of a matrix Source: POJ (Coursera statement: The exercises completed on POJ will not be counted into

"Google Protocol buffers" Protocol buffer base: C + + article

Note: This is my translation, may not be accurate, may have errors, but basically understandable, hope to be helpful to everyone. (reproduced please specify the source: This article from Learnhard Blog: http://www.codelast.com/& http://blog.csdn.net/

Introduction to C + + object Model (i)--"Deep Exploration of C + + object Model" thin notes

One an object model with single inheritance and no virtual functions Class A {public : int foo () { return val; } static int Stafun () { return staval; } static int staval; Private: int val; char bit1; } ; Class

"Win32 Multithreading" uses C + + to write multithreading

1. Start a thread with a C + + object Q: How to use a C + + member function as the starting function for a thread. Examples of errors #include #include #include typedef unsigned (WINAPI *pbeginthreadex _threadfunc) (LPVOID lpthreadparameter);

C + + Concurrent programming framework-Concurrent runtime

The Concurrency Runtime is a C + + concurrent programming framework. The Concurrency Runtime simplifies parallel programming and helps you write reliable, scalable, and responsive parallel applications. The Concurrency Runtime increases the level of

Introduction and application of STL Library in C + +

As an indispensable part of the C + + standard, the STL should permeate the corner of C + + program. The STL is not the pet in the lab, nor the device on the programmer's desk, her excitement is not a flash in the pan. This tutorial is designed to

Introduction to C + + template (template) usage

1. The concept of the template. We've learned about overloading (overloading), and for overloaded functions, C + + inspection mechanisms can vary by function parameters and the classes they belong to. The correct call to the overloaded function. For

C # completely resolves an issue where OLE DB joins Excel data types that are not uniform

It is very efficient to use microsoft.jet.oledb.4.0 to connect to Excel, to read data, and to read data relative to traditional COM. But relative to traditional COM operations Excel, and the existence of data type conversion problems.Because when

Linux-c getopt () parameter handling function

Transferred from: https://www.cnblogs.com/qingergege/p/5914218.htmlRecently in the Linux C programming, undergraduate time did not study well, hope to learn younger brothers learn lesson.Well, it's a bit verbose, but it's really a piece of advice.

C Language/c++ Programming Learning: An array scheme for code implementation of stacks

C language is process-oriented, and C + + is Object-orientedThe difference between C and C + +:C is a structured language that focuses on algorithms and data structures. The design of the C program is primarily concerned with the output (or

C language socket-analog remote cmd (the client sends a command to the server, the server executes the command)

Service-side (server)#include #include#pragmaComment (lib, "Ws2_32.lib")//Add the Ws2_32.lib to the link library on the links page#definePORT 15001//Port of communication (referred to as server side)#defineERROR 0#defineBuffer_size 1024//Note: This

C Language Programming exercises GPS data processing

Topic content:The NMEA-0183 protocol is designed to establish a unified BTCM (Maritime Radio Technical Committee) standard in different GPS (Global Positioning System) navigation equipment, by the National Oceanic Electronics Association (nmea-the

C Language Print Christmas tree

mul

#include #include int main (int argc, char* argv[]) {int n = argc > 1? Atoi (Argv[1]): 4;for (int j = 1; J int s = 1 for (int y = s-j; y >= 0; y--, putchar (' \ n ')) {for (x = 0; x for (x = 0; x + y for (x = 1; x + y }}}*****************************

Conversion of String, char *, char[] in C + +

One, the string to turn char*.There are three main ways to convert str to char* type: data (); C_str (); Copy ();1.data () method, such as:1 string str = "Hello"; 2 const char* P = str.data ();//Plus const or char * p= (char*) str.data (); formAt

Python installing optimal Transport module Pot problem: Microsoft Visual C + + 14.0 is required (unable to find Vcvarsall.bat)

Solution:To install Visual Studio 2017, select Support Python,Configure the path after the installation is complete:Add this to your PATH environment variables: C:\Program Files (x86) \ Windows Kits\8.0\bin\x86 Copy These files: Rc.exe

Pointer passing for a multidimensional array of C languages

In C language, to save space, improve the speed of running often use pointers to complete the transfer of the array.For a one-dimensional array, you can pass the first address directlyFor a two-dimensional array, it must be declared as a pointer to

"C + + Primer Plus" Reading notes nine-use class

The 11th chapter uses the class1. Format of operator Function: operator op (argument-list). OP is the operator that will be overloaded.2. two kinds of invocation methods of operator overloading function : ① function notation: c=a.operator+ (B); A, B,

Seconds to understand C # dynamically generate code from emit

You first need to declare an assembly name,1//Specify a new assembly name2 var assemblyname = new AssemblyName ("Kitty");Gets the assembly builder from the current application domain,1//CREATE assembly builder2 var AssemblyBuilder =

Animation in WPF--(c) timeline (TimeLine)

Original: Animation in WPF--(iii) timeline (TimeLine)The time Line (TimeLine) represents the time period. It provides properties that allow you to control the length of the time period, the start time, the number of repetitions, the speed of

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