WolfmanDragon

WolfmanDragon has asked 27 questions and find answers to 10 problems.

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Java, Web and PostgreSQL

WolfmanDragon questions

How do I place an IN parameter with a LIKE with a RowSet?
How do I start designing portlets in Eclipse?
How can jFrames be used inside of JavaFX?
What is the best way to convert an existing php class into Java?
Is there a memory and performance hit taken from using Bloch's Builder Pattern?
How do I check to see if a column name exists in a CachedRowSet?
Does a Foreign Key referencing PK need the NOT NULL constraint?
How can Polymorphism replace an if-else statement inside of a loop?
What reason is there for C# or Java having lambdas?
Does the unmodifiable wrapper for java collections make them thread safe?

WolfmanDragon answers

Is it bad practice to use the system() function when library functions could be used instead? Why?
What are some common Java pitfalls/gotchas for C++ programmer?
Time Travel functions in postgresql
Getting OperationalError: FATAL: sorry, too many clients already using psycopg2
Monotonically increasing time in Java?
How do I create a new Joda DateTime truncated to the last hour? [duplicate]