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Static Vs. Dynamic Binding in Java
... is vehicle but object will be Car
vehicle.start(); //Car's start called because start() is overridden method
}
}
class Vehicle {
public void start() {
System.out.println("Inside start method of Vehicle");
}
}
class Car extends Vehicle {
@Override
public void st...
Do I need elements in persistence.xml?
...k at the Chapter2. Setup and configuration too for more details.
EDIT: Actually, If you don't mind not being spec compliant, Hibernate supports auto-detection even in Java SE. To do so, add the hibernate.archive.autodetection property:
<persistence-unit name="eventractor" transaction-type="RESOUR...
How do SQL EXISTS statements work?
...hen tries to match this 'true/false' condition with outerquery." is what really cleared it up for me, I keep thinking that's how subqueries work (and many times they do), but what you said makes sense because the subquery relies on the outer query and therefore must be executed once per row
...
How can I determine the URL that a local Git repository was originally cloned from?
...re several forks on GitHub, and I neglected to note which one I took originally. How can I determine which of those forks I pulled?
...
What is the JavaScript version of sleep()?
...e 2009 when this question was asked, JavaScript has evolved significantly. All other answers are now obsolete or overly complicated. Here is the current best practice:
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function demo() {
console.log...
When should I use a struct rather than a class in C#?
...imes when the item is merely a collection of value types . A way to logically hold them all together into a cohesive whole.
...
Domain Driven Design: Domain Service, Application Service
... I also inject repositories into that domain service? Some info would be really helpful.
8 Answers
...
rvm installation not working: “RVM is not a function”
I just installed RVM, but can't make it work. I have such line at the end of my .profile file:
21 Answers
...
How to find the .NET framework version of a Visual Studio project?
...
It depends which version of Visual Studio:
In 2002, all projects use .Net 1.0
In 2003, all projects use .Net 1.1
In 2005, all projects use .Net 2.0
In 2008, projects use .Net 2.0, 3.0, or 3.5; you can change the version in Project Properties
In 2010, projects use .Net 2.0, 3.0...
Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
... main page is served over HTTPS. When an HTTPS page has HTTP content, we call that content “mixed”. The webpage that the user is visiting is only partially encrypted, since some of the content is retrieved unencrypted over HTTP. The Mixed Content Blocker blocks certain HTTP requests on HTTPS p...