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WW. has asked 44 questions and find answers to 77 problems.

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WW. questions

For our next project I would like to get into some AJAX to improve the user interface. Guidelines and advice?
How do I obtain permission to process on behalf of a PayPal merchant using the PayPal REST API?
Find which node my selenium-grid remote driver is running on?
Subversion checkout fails with ACCESS_VIOLATION in svn_wc_add_repos_file4()
Can good Object Orientated Design be formalised as good relational database design has been?
What is the best standard to use for business document exchange (invoices, POs etc)?
In Eclipse: Could not find or load main class org.testng.remote.RemoteTestNG
What is the name of this anti-pattern?
Does "EasyMock.expectLastCall();" do anything without a further call to resulting IExpectationSetters?
Is Hibernate good for batch processing? What about memory usage?

WW. answers

Does Oracle update columns when the data values are the same?
How to use dependency injection in JAXB unmarshalled objects?
Modeling One-to-Constant Relationship
Java streams filtering
Dependency Injection based on a condition
solution for single attribute in table
Find the smallest unused number in SQL Server
SQL INNER JOIN syntax
Add reason phrase back in spring-boot 1.4.x
READ COMMITTED database isolation level in oracle