Wednesday, October 31, 2018

Printing Barcode from Command Line to USB Printer Remotely

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Hardware Required This is achieved using Ethernet to USB Print Server adapter . This should not to be confused with USB to Ethernet adap...
2 comments:
Friday, January 5, 2018

Oracle - Create Table from Another Table and Add a New Column

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Let's say we want to add a new column to an existing database table T. Get the DDL for the table and its constraints (e.g. use SQL De...
Thursday, January 4, 2018

Ant Build Problem in Eclipse Oxygen - JRE less than 1.8 is not supported

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When executing ant build within Eclipse using JRE 1.6, the following error occurs: One would ask, "Why use old JRE when there ar...
12 comments:
Friday, November 17, 2017

Sending ESC/P Commands to a USB Barcode Printer on Windows 7

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Assume we have a binary file with ESC/P commands, barcode.bin. Some of the DOS commands you would try are: C:\>type barcode.bin ...
3 comments:
Thursday, November 2, 2017

Oracle 11g Web Interface and Microsoft Web Security

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If you experience problem accessing the Oracle web interface (https://localhost:1158/em), most probably is because the Microsoft security i...
Friday, October 27, 2017

Oracle Audit Trails

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Check if Auditing is Enabled and How to Enable / Disable Auditing is enabled or disabled by the parameter AUDIT_TRAIL . In order to ...
Friday, October 7, 2016

Sharing Eclipse Preferences Across Multiple Eclipse Installation with Oomph

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Introduction Eclipse is an excellent Java programming IDE tool. There are many pre-configured installation packages that allow us to work...