Multi-Library Association query in Delphi

When we operate on a database, we often use the ttable control, but ttable can only operate on one datasheet at a time, while the Tquery control not only has most of the ttable functionality, but it can also operate on multiple data tables. Not only

Mastering the debugging Art of CB

The less bugs the program, the higher the end-user's evaluation of the program. And the more developers are dealing with bugs in advance, the more information the end user can provide about bugs, the more accurate the developer will be able to

Introduction to Pl/sql exception handling

1. Definition Exception: The identifier produced during the execution of the Pl/sql, and a warning or error in Pl/sql is called an exception. Errors usually fall into two categories: Compile-time errors-typically syntax errors, found by the

CLR notes: 11. String

11.1 Characters char,16 bit Unicode code value Two constant fields, Char.minvalue: Defined as ' "; Char. MaxValue: Defined as ' \uffff '; Char.getunicodecategory () method, return character type (currency/punctuation/math symbols, etc.) The

Algorithm title: UVA 10306

Problem G E-coins Input:standard input Output:standard output Time Limit:10 seconds Memory limit:32 MB At the Department for Bills and coins, a extension of today ' s monetary system has newly been T fit the new economy better. A number of new

A formal performance tuning method--based on the waiting tuning

The performance tuning of Enterprise Java applications is a daunting, sometimes futile task, caused by the complexity of modern applications and the lack of formal tuning methods. Modern enterprise applications are quite different from those applied

Accelerating JPA Development with UML-TO-JPA transformations in RSA V7.5

This article describes the latest UML-TO-JPA transformations in Rational Software Architect (RSA) V7.5, which allows users to design JPA configuration and data models on the UML object model, and to quickly generate Java classes with JPA annotations

A simple timer Service.

Web-timeservice is used for timed invocation (triggering) applications, EJB2.1 also provides timerservice, but some application servers are not supported and some do not use EJBS at all. So I wrote a simple timerserivce. public class Timerservice

Hdu 1245 Saving James Bond

Link: http://acm.hdu.edu.cn/showproblem.php?pid=1245 Topic: Saving James BondTime limit:6000/3000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 1066 accepted Submission (s): 186 Problem DescriptionThis time let

. NET Programming Tips: Using Ado.net's set of parameters to effectively prevent SQL injection vulnerabilities

SQL injection vulnerability is an old topic, in the past to do the development of ASP, often need to use a string of worry, such as the way to solve the problem, but sometimes do not thoroughly enough, often let hackers drill a loophole. So now in

Office 2007: Save images embedded in Word

Inserting a few suitable pictures in a Word document makes the traditional boring document lively, so it is "illustrated". But sometimes, these images embedded in the document, but not so obedient, so that we do not want to move. Is there any way to

We'll talk about inserting different types of objects in an STL list (Lists)

See an article on your Web site: "Insert different types of objects in an STL list (Lists)." I feel that the answer has not pointed out the nature of the problem, so I put forward my point of view, I beg to correct. I think that the cause of the

A simple server and client program

The Example will use sockets to manipulate the server and the client in the simplest way. The whole job of the server is to wait to establish a connection and then create a inputstream and a outputstream with the socket that the connection produces.

Introduction to MVC Programming using Agavi, part 4th

Introduction to MVC Programming with Agavi, Part 4: Creating a Agavi search engine with multiple output types (XML, RSS, or soap) Brief introduction In part 3rd of this series, you experience a task that you often encounter when building web-based

DNN Module Development Series (2)--Building a module development project

Building a Module development project The development of DNN modules can be done through two development environments: First, build the module development project under the whole DNN solution. Advantages: can conveniently reference DNN components,

Connect to a Microsoft VPN server on Ubuntu 8.10

The company uses the VPN connection, can use the company's thing, in the home Ubuntu has not been able to connect, has not been easy to finish today. The process records. Translation of a foreigner's article, hehe. It's easy to connect Microsoft's

How to open a Word document in a copy way in Word 2010

Open a Word document in the same folder by using a copy method to create a copy of the exact same Word document and edit and modify the original Word document and the copy Word document while it is open. The steps to open a Word document as a copy

How to open a Word 2010 document in Word 2003

In general, Word documents that you create in Word 2010 cannot be opened and edited in Word 2003 because Word 2003 does not recognize word 2010 files with the. docx extension, as shown in Figure 2010081301. Figure 2010081301 Word 2003 does not

Text and font functions of APIs

AddFontResource To add a font resource to a Windows system CreateFont Creates a logical font with the specified property CreateFontIndirect Creates a logical font with the specified property

Make a print barcode in Word 2007

Homemade WPS can easily be inserted into the printing application of the increasingly extensive bar code, but if the hand is not installed WPS machine but also need to make a few barcode printing how to do? In fact, today we often use Word 2007 can

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