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Pointer (computer programming) - Wikipedia, the free encyclopedia

日期：2024-04-21

In computer science, a pointer is a programming language object, whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address. For high-level programming languages, pointers effectively take the p...

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cannot perform this operation on a closed dataset有關問題 - Delphi

日期：2024-04-23

cannot perform this operation on a closed dataset問題我的系統若開始先點查詢,就可以查到單據表裡的所有內容,系統正常運行.但是如果我先執行了單據表的結賬模塊,之後再進入 ......

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erikmartin.com - IO Errors in Delphi - erikmartin.com - Make your own Ozone Machine

日期：2024-04-22

The list of DOS IO Errors, which are also returned by Delphi Executables ... The following are the Windows API (and former DOS) IO errors, which are also the IO errors often returned by Delphi programs, and which are generally difficult to find reference ...

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Delphi memory manager problems in dynamic libraries (Page 2/2)

日期：2024-04-20

Delphi memory manager problems in dynamic libraries. An info on Delphi memory allocation and dynamic-link libraries (DLL). Why and when an 'Invalid pointer operation' exception strikes and how to fight against it. How to properly use strings as parameters...

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Delphi Tips, Tricks and Code Snippets - Novice and Expert Embarcadero Delphi Developers

日期：2024-04-25

Delphi tips, tricks and code snippets. Looking for a small code sample to help you make something big? It's here! ... Recipient's Email This field is required. Separate multiple addresses with commas. Limited to 10 recipients. We will not share any of the...

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Delphi Programming help on Experts Exchange

日期：2024-04-18

This topic covers Delphi program development and run-time environment. Related topics include, but aren’t limited to, FireMonkey, Interbase database, Firebird database, VCL, RTL, to/from/version migration issues, mobile device development (starting with R...

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Delphi Basics : Exception handling in your code

日期：2024-04-21

var number1, number0 : Integer; begin try number0 := 0; number1 := 1; number1 := number1 div number0; ShowMessage('1 / 0 = '+IntToStr(number1)); except on E : Exception do begin ShowMessage('Exception class name = '+E ......

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Delphi Basics : Try command

日期：2024-04-22

Notes There are times when you want a construct like this : Try ... Except ... Finally ... End; where exceptions are trapped and acted upon, but in all cases, a set of clean up statements are executed. This can be achieved with nested Try statements : Try...

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