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Polymorphism vs Overriding vs Overloading
... public void goPee(){
System.out.println("Sit Down");
}
}
Now we can tell an entire room full of Humans to go pee.
public static void main(String[] args){
ArrayList<Human> group = new ArrayList<Human>();
group.add(new Male());
group.add(new Female());
//...
Debug.Assert vs Exception Throwing
...get). Yes, assertions should usually be impossible to fire, but you don't know what's possible when things go out in the wild. What you thought of as impossible might happen in production, and a responsible program should detect violated assumptions and act promptly.
– kizzx2
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How is “=default” different from “{}” for default constructor and destructor?
I originally posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question:
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Invoke(Delegate)
...ne if you must call an invoke method, which can be useful if
you do not know what thread owns a control.
From Control.InvokeRequired
Effectively, what Invoke does is ensure that the code you are calling occurs on the thread that the control "lives on" effectively preventing cross threaded excep...
Activate a virtualenv via fabric as deploy user
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Right now, you can do what I do, which is kludgy but works perfectly well* (this usage assumes you're using virtualenvwrapper -- which you should be -- but you can easily substitute in the rather longer 'source' call you mentioned,...
LaTeX package for syntax highlighting of code in various languages
... a LaTeX package that does syntax highlighting on code. For example, right now I use the verbatim block to write code:
7 An...
Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
...null_session instead.
protect_from_forgery with: :null_session
end
And now it works! I don't see any reason why this shouldn't work, but I'd love to hear some insight from other posters.
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How do I write unit tests in PHP? [closed]
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* </code>
*/
function add($a,$b){
return $a + $b;
}
If you now run this file through phpdt (command-line runner of php-doctest) 1 test will be run. The doctest is contained inside the < code > block. Doctest originated in python and is fine for giving useful & runnable exam...
Reference assignment operator in PHP, =&
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It's two different operators. = is assignment as you probably know. And & means the variable should be accessed by reference rather than by value.
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Where does Vagrant download its .box files to?
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Link is now broken - need to be replaced with: app.vagrantup.com.
– RtmY
Jul 31 '19 at 19:59
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