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What is null in Java?
...languages). Note also that by contract, it also has this special property (from java.lang.Object):
public boolean equals(Object obj)
For any non-null reference value x, x.equals(null) should return false.
It is also the default value (for variables that have them) for all reference types...
What are Maven goals and phases and what is their difference?
... Maven's Introduction to the Build Lifecycle). Such distincting it clearer from the goal's code which is really executed. But that might be personal taste.
– Gerold Broser
Jun 20 '15 at 13:25
...
How to build a jar using maven, ignoring test results? [duplicate]
...kage skips the surefire test mojo.
to ignore test failures and keep maven from stopping you can add this to the section of the pom.xml:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>...
The term “Context” in programming? [closed]
...action forward. They may then ask you which account you'd like to withdraw from. When you answer, "My savings account", that's even more context.
The more context you give, the more knowledge the other party has to help deal with your request. Sometimes context is optional (like typing more and mo...
How to change plot background color?
...'b', 'g', 'r', 'c', 'm', 'y', 'k', 'w'};
a X11/CSS4 color name;
a name from the xkcd color survey; prefixed with 'xkcd:' (e.g., 'xkcd:sky blue');
one of {'tab:blue', 'tab:orange', 'tab:green', 'tab:red', 'tab:purple', 'tab:brown', 'tab:pink', 'tab:gray', 'tab:olive', 'tab:cyan'} which are the ...
How do I lowercase a string in Python?
Is there a way to convert a string from uppercase, or even part uppercase to lowercase?
5 Answers
...
JSF vs Facelets vs JSP [duplicate]
...n an MVC pattern
JSPs are a (much older) standard for generating web pages from templates - these can be used as the View in a JSF application, but also separately from JSF.
Facelets are an alternative view technology based on pure XML templates (no scriptlets) which was introduced with Version 2 of...
What is the difference between include and extend in Ruby?
...e methods)
include is a private method, because it's intended to be called from within the container class/module.
However, modules very often override include's behavior by monkey-patching the included method. This is very prominent in legacy Rails code. more details from Yehuda Katz.
Further d...
Transpose/Unzip Function (inverse of zip)?
...p() returns a list consisting of tuples containing the corresponding items from all iterables (a kind of transpose operation). The iterable arguments may be a sequence or any iterable object; the result is always a list."
– cactus1
Jul 14 '17 at 19:26
...
What is Ember RunLoop and how does it work?
...pagated, and so on. Obviously, the more changes that need to be propagated from a single event, the longer the RunLoop will take to finish. Here's a (pretty unfair) example of how the RunLoop can get bogged down with propagating changes compared to another framework (Backbone) that doesn't have a ru...