Java Tutorial
How To Create Virtual Machine Instance And Install ShadowSocks Server On Oracle Always Free Cloud
Oracle cloud provide an always free service for virtual machine, database and network creation & usage. It is a very good news because of free usage. This article will tell you how to register oracle always free cloud account and how to create virtual machine instance in it, it also tell you how to setup …
How To Install / Uninstall Multiple Java Versions In Mac OS By Home Brew Or Manually
This article will tell you how to install/uninstall multiple java versions on mac os both use homebrew or manually. It also shows you how to set JAVA_HOME & PATH system environment variable to make your installed JDK as the default JDK. We recommend you to use homebrew, because it provides a lot of easy-to-use tools.
How To Connect Localhost Apache James With Thunderbird
Apache James is a popular open source mail server. It support both SMTP, POP3 and IMAP protocol. This article will tell you how to install Apache James both on Windows and Linux, how to create user account on it and how to use free email client tool Thunderbird to connect to it to send and …
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Resolve Spring Boot JPA Table ‘dbname.hibernate_sequence’ Doesn’t Exist Error
In my recent spring boot example project, i use spring boot data JPA to operate MySQL server table. And when i invoke the CrudRepository’s save method to implement insert action to the table, it shows below error, the error message is “table ‘dev2qa_example.hibernate_sequence’ doesn’t exist”. This error cost me some time to fix, and i …
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How To Enable Group Policy Editor ( gpedit.msc ) In Win 10 Home Edition
Group policy editor (gpedit.msc) is a very useful windows function that are needed when enable windows long file path feature. It has been installed and enabled in win 10 professional and enterprise edition by default. But when you run it in win 10 home edition, it will prompt error message like Windows cannot find ‘gpedit.msc’, …
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How To Solve Eclipse Building Workspace Too Slow Problem
When you develop a java project use eclipse, you may find that the eclipse project runs so slowly, this can even stop your work, you can do nothing but wait for the eclipse project build or download maven jar files to complete. Why is eclipse so slow when building a workspace? This article will tell …
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How To Create, Debug Java Project In Visual Studio Code
Visual studio code is an open-source lightweight code editor provided by Microsoft. It can startup very quickly. It can support any coding language development and debug through its extension. There are so many extensions in the visual studio code marketplace. In single words, visual studio code is not a java IDE, but it can be …
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