Vagrant+DB2+PuPHPe Wormhole: vagrant & PuPHPet 1.Vagrant Getting started [Step 1] Installing a box [Step 2] Using a box [Step 3] An workaround against the Authentication failure // step 1: Installing a box vagrant box add centos/7 // step 2: Using...
Chapeter 5 Generics in the release 1.5. generics were added to Java. you tell the compiler what types of objects are permitted in each collection. The compiler inserts casts for you automatically. programs will be (1) safer & (2) cleaner,...
Wormhole: Writing Collection 1 1 Climate Change Essay Some people think that instead of preventing climate change, we need to find a way to live with it. To what extent do you agree or disagree? Climate change represents a major...
Chapeter 4 Classes and Interfaces Item 22: Favor static member classes over nonstatic This item tells you when to use which kind of nested class and why. 1.Nested Class [Principle] A nested class should exist only to serve its enclosing...
Chapeter 4 Classes and Interfaces Item 21: Use function objects to represent strategies Some languages support function pointers, delegates, lambda expressions, or similar facilities They are typically used to allow the caller of a function to specialize its behavior by...