How to deep clone an object in Java. The clone method from the parent object needs to clone each child object separately and added to the cloned parent object.

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SWT Table Example. A simple example using Table, TableColumn and TableItem.

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How to configure Tomcat with Eclipse. Simple steps to configure Tomcat working within Eclipse IDE.

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How to send emails using JavaMail. Simple example using a gmail account and proxy settings if needed.

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How to export and import a .sql file in MySQL from command line. Simple commands with multiple parameters.

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How to open port for a specific IP address on CentOS 7. Using the firewall-cmd command with add-rich-rule parameter.

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