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Intellij IDEA Java classes not auto compiling on save
...e one small change in one single class. Even the "Compile 'StartController.java'" meaning one class only takes 3-4 seconds. Eclipse does this in less than 100 milliseconds. I will test the eclipse mode plugin again and decide what to go with..
– mmm
Jan 5 '14 a...
Java HashMap performance optimization / alternative
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Just use java.util.Arrays.hashCode(). It's simpler (no code to write and maintain by yourself), its calculation is probably faster (fewer multiplications), and the distribution of its hash codes will probably be more even.
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Why does JPA have a @Transient annotation?
Java has the transient keyword. Why does JPA have @Transient instead of simply using the already existing java keyword?
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Convert String to double in Java
How can I convert a String such as "12.34" to a double in Java?
15 Answers
15
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What Java ORM do you prefer, and why? [closed]
...rence might be in the dynamic nature of python (and perl). Using an ORM in Java is a pain. But in dynamic languages it can be really expressive. There are some great projects to embed ORM operations like DSLs in Python and are great.
– santiagobasulto
Apr 26 '1...
How to create a file in Android?
...ing to the docs, calling close will perform a flush first. docs.oracle.com/javase/6/docs/api/java/io/…
– Eliot
Aug 19 '13 at 22:36
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StringUtils.isBlank() vs String.isEmpty()
...("bob") = false
StringUtils.isEmpty(" bob ") = false
Warning: In java.lang.String.isBlank() and java.lang.String.isEmpty() work the same except they don't return true for null.
java.lang.String.isBlank() (since Java 11)
java.lang.String.isEmpty()
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JavaScript OOP in NodeJS: how?
I am used to the classical OOP as in Java.
6 Answers
6
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In Python, how do I indicate I'm overriding a method?
In Java, for example, the @Override annotation not only provides compile-time checking of an override but makes for excellent self-documenting code.
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What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
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From the javadoc:
The serialization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object ha...