10 Technologies Every In-House IT Engineer Should Learn: To Avoid Outsourcing 'System Connection Issues' Entirely to Vendors｜ERPニンジャ（SAPをメインに解説）

You know SAP, but you don't know DNS. You understand business operations, but you don't know how servers work. Can you really protect a company's IT with that?Monday, 9:00 AM.The sales department ...
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Your Database Can Time-Travel and Still Get the Past Wrong

Late corrections can make historical replays use data that was not known at the time. Learn how business time and system time ...

Reproducing a Java Web Development Environment from Around 2018 | Learning Peripheral Technologies with Eclipse, Tomcat, and Spring

IntroductionWhen developing web applications in Java, simply learning Java syntax and Spring annotations is not enough to understand the full picture of actual development.A single application is ...