Compile the sound card driver in Ubuntu to solve the problem of external speakers!

Originally in 2.6, the kernel was equipped with ALSA sound card driver, and there was sound when the system was installed. The driver was 1.0.11. Sound is there, but the built-in speakers come out, the external will not sound, depressed. I looked at

Fragment MP4 File Format

At present, there have been a lot of summaries on the MP4 file format on the network. I will not copy the summary from others here. If you want to get started, Baidu will have a lot of such content.Article. Here we will introduce one of the MP4 file

Current Situation and Future Trend of RFID-1.3 Classification of RFID tags

According to the internal structure of RFID tags, they are divided into active tags with battery (Tony Note: Also called active tags) and passive tags without battery (Tony Note: Also called passive tags) these two types. The Passive Tag uses the

The flash-sound class loads MP3 files in different domains and obtains ID3 information.

id3

Previously, we were working on an MP3 player for others, which was always used to load MP3 files from other domains. We all used sound. load method. The first parameter of this method is an MP3 address request, and the second parameter is something

Use telnet to log on to the SMTP service and send an email (with authentication)

The number of emails sent in the past few days is small.ProgramBy the way, I checked why SMTP mail servers such as 126 and Gmail cannot use the SMTP commands in the lab class to send emails. At that time, based on the returned information, I only

A complete mobile phone Structure Design Process

    1. Determine the motherboard Solution Mobile phone design companies are generally divided into the marketing department (MKT), The Shape Design Department (ID), and the Structure Design Department (MD ). A mobile phone project starts with a

NESC 1.1 Language Reference Manual (2)

7. ConfigurationThe configuration is to establish a connection with other components through connection and wiring: configuration-implementation: Implementation {component-listopt connection-list} component list to list the components used to

[Z reprinted] Learning STL map, the data structure foundation of STL set

[From]: http://blog.sina.com.cn/s/blog_627021ec0100q1_5.htmlthis document lists several basic STL map and STL set questions. By answering these questions, we explain the internal data structure of STL associated containers, finally, we raised the

How DNS queries work

Source: http://book.51cto.com/art/200801/64743.htm Http://www.xxeb.com/site/domain/20070314/23.html Author: Release Date:   When the DNS client needs to query the name used in the program, it queries the DNS server to resolve the name. Each query

Introduction to xrename (file folder super rename tool)

Download the test version:Http://www.symental.com/sfw/xrename.zip   Xrename, also known as the file folder super rename tool, can help you quickly rename a batch of files or folders according to the specified requirements, for example, replace

Online customer service technical solution

Online customer service requirements:Involved personnel: Customer Service personnel, common customersCustomer Service personnel: you can log on with a fixed employee ID. You can select customer service personnel. You can set the maximum number of

[Post] 50 tips for making a home page

I. Content 1. give readers a reason to stay. Make webpages interesting and fascinating. But the first thing is to make it useful. A simple way to do this is to provide mutual participation-to allow readers to do something, such as registering for a

Miscellaneous from overseas warez websites

  Miscellaneous from overseas warez websitesReading: 274 times/Time:/Author: The author tries his best to seek waterThe following is the warez website. Some are personal blogs. I divided them into two types. The first type is updated frequently.

Architecture for 3D Human Motion Tracking

This week, I also learned about a new framework for 3D Motion Tracking. This framework uses random sampling and local optimization to achieve a better compromise between robustness and effectiveness, A local optimization method based on simulated

List of best open Souce projects written in VC ++/MFC

List of best open Souce projects written in VC ++/MFC 7-zipHttp://sourceforge.net/projects/sevenzip):7-zipIs a file archiver with the high compression ratio. The programSupports 7z, zip, cab, rar, ARJ, lzh, CHM, Gzip, Bzip2, Z, tar, cpio,Rpm and

Bsd hd Audio Card Driver Installation, ntfs-3g Installation

Relaxbsd install CD 2.0MD5 (RelaxBSD-InstallCD-2.0.iso) = cc99518480f29dcfcb41108f314b14aSha256 (RelaxBSD-InstallCD-2.0.iso) = sha256Size (RelaxBSD-InstallCD-2.0.iso) = 721451008: Download 1 Relaxbsd livecd 1.1MD5 (RelaxBSD-1.1.iso) =

Win32 debug CRT heap Internals

Win32 debug CRT heap Internals ... By Andrew birkett (andy@nobugs.org) If you are lazy, skip the explanation and jump to the table at the bottom of the page When you compile programs with devstudio in debug mode, all of your callto malloc () and

Already defined in *. OBJ

Lnk2005 errors may occur in the following situations:1 1. Define global variables repeatedly. There may be two situations:A. For some programmers who are new to programming, they sometimes think that they can use definitions to declare where they

Three implementation methods of the data result set paging function in ase

--------------------------------------------------------------------------- ---- This is andkylee's personal originality. Please repost it with respect to the author's Labor achievements; ---- The original source must be specified for

Implementation Principle Analysis of the dojo class Mechanism

Some time ago, I published an article on infoq Chinese site, introducing the basic usage of the dojo class mechanism. Some of my friends hope to have a better understanding of this part. This article will introduce the background knowledge of the

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