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Idiomatic way to wait for multiple callbacks in Node.js
...{
setTimeout(function(){
callback(null, 1);
}, 200);
},
two: function(callback){
setTimeout(function(){
callback(null, 2);
}, 100);
},
},
function(err, results) {
// results is now equals to: {one: 1, two: 2}
});
As a plus thi...
Check if table exists and if it doesn't exist, create it in SQL Server 2008
I am writing a Stored procedure in SQL Server 2008.
I need to check if a table exists in the database. If it doesn't then I need to create it.
...
How can I pass data from Flask to JavaScript in a template?
...ilter which is an addition to Jinja2's standard set of filters.
Edit Nov 2018: tojson is now included in Jinja2's standard set of filters.
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How to call a parent class function from derived class function?
... by the way.
– Mathai
Aug 27 '15 at 20:36
75
@Mathai And that is why you aren't supposed to use u...
Clone() vs Copy constructor- which is recommended in java [duplicate]
...o
f.set(foo.get());
return f;
}
Read more
http://adtmag.com/articles/2000/01/18/effective-javaeffective-cloning.aspx
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What is the difference between dynamic and static polymorphism in Java?
...ulation obj=new Calculation();
obj.sum(10,10,10); // 30
obj.sum(20,20); //40
}
}
overriding example:
class Animal {
public void move(){
System.out.println("Animals can move");
}
}
class Dog extends Animal {
public void move() {
System.out.println("...
What are the pros and cons of the leading Java HTML parsers? [closed]
...
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jul 1 '10 at 0:00
...
How to properly seed random number generator
...n expect. I see increments of about 1000000 ns, so 1 ms increments. That's 20 bits of entropy that are not used. All the while the high bits are mostly constant!? Roughly ~24 bits of entropy over a day which is very brute forceable (which can create vulnerabilities).
The degree that this matters to ...
Maven2 property that indicates the parent directory
...s to null.
– Jared
Aug 29 '12 at 16:20
22
I've had success with ${project.basedir}/.. but that re...
Why does C# disallow readonly local variables?
...about it.
– Jon Skeet
Jan 14 '09 at 20:52
4
FWIW, Scala distinguishes local readonly/final values...