Delphi program to detect the existence of sound card

If you're doing some sort of multimedia player program, in order to improve the fault tolerance of the system, we must use some detection system functions, which detect whether the existence of a sound card is a problem, the following procedures to

Make a single Chinese envelope in a Word 2007 document

WORD2007 provides the function of making Chinese envelopes, the user can make use of Word2007 to produce the envelopes of the postal code, address and the addressee with the national standard. The steps to make a Chinese envelope in a Word2007

How to register BDE in the registry

It is not possible to copy only BDE files, but also to write the registry: The required registry entries include: 1.BDE Dynamic Connection library file location settings Key: "Hkey_local_machine\software\borland\database Engine" Item: "DllPath"

Different database design for OLTP and DSS

OLTP database OLTP = online transaction processing DSS = Data warehousing online things processing Data Warehouse For example: aircraft booking, online trading, BBS, etc. example: Various

Multi-process communication in PL/SQL using two development packages

Pl/sql is a mainstream application programming language based on Oracle, and its main feature is to combine SQL statements with procedural development languages to achieve more complex business logic. This article mainly discusses the multiple

A step by Step learning NUnit (2)

In the previous chapter we briefly introduced NUnit's introductory example "Step by step NUnit (1)", so that everyone has a simple understanding of nunit. The use of NUnit is very simple, but there are many best practices when it is used in a

Rational: Using RSA to implement EMF development

The development EMF model is limited to XML schemas, IBM Rational Rose, Java source, or EMF Ecore. IBM Rational Software Architect (RSA) enables many application development tasks to fully benefit from the UML model in coordination with other

Deploying Symantec Client (MST format) through Group Policy

Deploying Symantec Client (MST format) through Group Policy Recently, the company requires users to install Symantec client, our current version is endpoint protection 12.1.100, so that all of us will think of is distributed through the Group

Six common tools for segmenting video files

Ultra Video Joiner The Ultra Video Joiner is a tool to help you connect or merge Avi/divx,mpeg i/ii,vob,dat,wmv,asf videos into a large variety of video files in various formats. You can add an unlimited number of video files to the list and easily

How to use crypto++

0 Introduction To read this article, readers need to have the most basic knowledge of cryptography, such as symmetric and asymmetric encryption, digital signature, and so on. Fortunately, the preparation of this knowledge, one afternoon time is

Padrino Builder Guide

The source of English version: Http://www.padrinorb.com/guides/generators Padrino provides a builder for quickly creating applications, with the advantage of building the recommended Padrino application structure, automatically generating gemfile

Selection/marshalling and back references for regular expression tutorials

Selection and Grouping Select Allow the ' | ' character to be selected in two or more candidates. By extending the regular expression of the chapter title, you can extend it to an expression that applies not only to chapter headings. However, this

SSI usage details (2)

Here we will introduce each of them. 1. config command The config command is primarily used to modify the default settings for SSI. which ErrMsg: Sets the default error message. In order to return the user-defined error message normally, the

Introduction to secure router networking and IPSec technology

A large enterprise/company needs to be distributed across the country branches or offices across the wide area network, so as to share information resources between each other, because the need to transfer data on the public data network, it is

Use Excel 2007 to make interactive function images

It's not difficult to draw a function image in Excel 2007. However, the functionality of Excel 2007 is by no means just that, with a little modification, we can use the Excel 2007 system to make interactive Excel function images, using scrollbars to

Brief talk about the DIY release version of Ubuntu

21st century came, everyone stressed their personality, so a kind of things called DIY quietly rise. Operating system as the crystallization of the wisdom of all mankind, natural DIY up to a great degree of difficulty, so DIY an operating system to

Primitive Interface (RNI)

Compared to J/direct, Rni is a much more complex interface than non-Java code, but its functionality is also powerful. Rni is closer to the JVM than J/direct, which also enables us to write more efficient code that handles Java objects in native

What is a design pattern

Design patterns are a set of repeated use, most people know, through the classification of purpose, code design experience Summary. Design patterns are used in order to reuse code, make code easier for others to understand, and ensure code

Building OSGi applications using the Blueprint container specification

Brief introduction The OSGi framework provides a good mechanism for developing modular dynamic applications, which are becoming very popular recently. The latest OSGi Service Platform Release 4 V4.2 specification includes a specification named

IE Automatic Landing-navigate article

Earlier, because the project needs to do an automatic landing site ActiveX Plug-ins. The main function is to start an IE instance through this plugin or use the browser where the plugin resides, Play a website (that is, through navigate navigation),

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