程序启动时出错"BLOB has been modified",为何出错?如何修改?

Carfield 2002-03-11 11:15:42

JPG图片记录处理程序,开始运行时正常,在输入70多条记录后出现"BLOB has been modified"错误,请各位帮帮忙!

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Carfield 2002-03-11

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我用的是BDE¶dox

BCB 2002-03-11

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BDE or ADO?

BCB 2002-03-11

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BDE or ADO?

Carfield 2002-03-11

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Delphi 7.1 Update Release Notes=======================================================This file contains important supplemental and late-breakinginformation that may not appear in the main productdocumentation, and supersedes information contained in otherdocuments, including previously installed release notes.Borland recommends that you read this file in its entirety.NOTE: If you are updating a localized version of Delphi 7, visit the Borland Registered User web site to obtain a localized readme file that may contain important late- breaking information not included in this readme file.IMPORTANT: Delphi must be closed before installing this update. =====================================================CONTENTS * INSTALLING THIS UPDATE * UPDATING LOCALIZED VERSIONS OF DELPHI 7 * KNOWN ISSUES * ISSUES ADDRESSED BY THIS UPDATE - IDE - CORE DATABASE - DATASNAP - DBGO (ADO COMPONENTS) - dbExpress - dbExpress COMPONENTS AND DB VCL - dbExpress CORE DRIVER AND METADATA - dbExpress VENDOR ISSUES - dbExpress CERTIFICATION - WEB SNAP - ACTIVEX - COMPILER - RTL - VCL - THIRD PARTY - BOLD FOR DELPHI * VERIFYING THAT THE UPDATE WAS SUCCESSFUL * FILES INSTALLED BY THIS UPDATE =======================================================INSTALLING THIS UPDATE* This update can not be applied to Delphi 7 Architect Trial version. * This update can not be removed after it is installed.* You will need the original Delphi 7 installation CD available to install this update.* To install this update from the CD, insert the CD, and launch the d7_ent_upd1.exe file appropriate for your locale.* To install this update from the Web, double-click the self-executing installation file and follow the prompts. * The Delphi 7 documentation PDF files are available on the update CD.========================================================UPDATING LOCALIZED VERSIONS OF DELPHI 7* This update can be applied only to the English version of Delphi 7. There are separate updates for the German, French and Japanese ver

Oracle SQL Developer, v1.5.0.54.40 Release Notes 完整版下载：http://www.oracle.com/technology/global/cn/software/products/sql/index.html 1. Known Issues 1.1 General - Print prints only one page that is a truncation of the current tab. - Can't invoke SQL*Plus on Windows 2003. - The menu item, and right-click off a Connection node, for invoking SQL*Plus does not work with connections whose passwords are not persisted. 1.2 Connections - Cannot connect to remote database as OPS$ account. 1.3 Browse - If connected as sys with sysdba role, Types node displays built in data-types (e.g. BLOB, DATE, DECIMAL, etc.) If clicked on, will only see "create or replace". 1.4 Creating and Modifying Objects - Editing Triggers - If you have comments before the 'BEGIN' they will be lost if you edit. You will see when you click edit that they will not be there. To preserve them, they need to be below the BEGIN or you will need to edit via the SQL Worksheet. 1.5 Table > Data - Tables > Your_Table > Data - PageUp and PageDown buttons not working correctly if cursor is in the rownum column. 1.6 Export - Cannot export if result set contains duplicate column names. 2. Workarounds 2.1 To disable Code Insight Run SQL Developer from a command line using the following statement: Windows : sqldeveloper -J-Dsdev.insight=false Linux or Mac: Run sh sqldeveloper -J-Dsdev.insight=false or edit sqldeveloper.conf and add "AddVMOption -J-Dsdev.insight=false" 2.2 If DDL tab is null for all objects in a Connection Your dbms_metadata might be loaded incorrectly. If this statement fails when executed in a SQL Worksheet against the Connection select dbms_metadata.get_ddl('TABLE',table_name , user ) from user_tables; You need to reload $ORACLE_HOME/rdbms/admin/catmeta.sql 2.3 If Snippets are not accessible You may have not done a clean install. SQL Developer needs to be installed into a clean directory, not over a previous release. 3. Accessibility Issues The following is a li

各位要是想看中文的话，可以去有道翻译一下，不过学程序的，最终还是要接触英文的，还不如趁早开始看英文。这是我第一次在CSDN上发东西，不过N年前就在CSDN里面捞好处了，在这里查了很多有用的知识，一直觉得自己还没有能力来帮助别人，先把自身的能力提高了再说，呵呵。BDE中的"Blob has been modified"错误，CSDN里面好像回答的不是很好，借此引用一篇外文来解

第一次使用CSDN的blob，好好的使用，只是速度太慢

说一下做项目时需要用到html2canvas做项目截图踩到的跨域坑。项目需要拉取用户的头像，而linkedin和微信的头像存放于cdn中，这边涉及到的跨域问题。坑1：由于跨域，画布被污染，不能调用 toBlob(), toDataURL() 或 getImageData() 方法，调用它们会抛出安全错误。按网上说的做，配置 useCORS: true, ...

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