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Why should I use a pointer rather than the object itself?
... with automatic storage duration, which means it will be destroyed automatically when it goes out of scope. When you do new Object(), the object has dynamic storage duration, which means it stays alive until you explicitly delete it. You should only use dynamic storage duration when you need it.
Th...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...g token is converted into a token. (2.7). The
resulting tokens are syntactically and semantically analyzed and
translated as a translation unit. [SNIP]
Translated translation units and instantiation units are combined as follows: [SNIP]
All external entity references are resolved. Library components...
Getting the name of the currently executing method
...d.currentThread().getStackTrace() will usually contain the method you’re calling it from but there are pitfalls (see Javadoc):
Some virtual machines may, under some circumstances, omit one or more stack frames from the stack trace. In the extreme case, a virtual machine that has no stack trace...
jQuery - Trigger event when an element is removed from the DOM
...)
Addendum to answer Pierre and DesignerGuy's comments:
To not have the callback fire when calling $('.thing').off('destroyed'), change the if condition to: if (o.handler && o.type !== 'destroyed') { ... }
share
...
Using Default Arguments in a Function
... = "some other value";
}
code here!
}
This way, you can make a call like foo('blah', null, 'non-default y value'); and have it work as you want, where the second parameter $x still gets its default value.
With this method, passing a null value means you want the default value for one pa...
How to Join to first row
...escription
FROM Orders
JOIN LineItems
ON LineItems.LineItemGUID =
(
SELECT TOP 1 LineItemGUID
FROM LineItems
WHERE OrderID = Orders.OrderID
)
In SQL Server 2005 and above, you could just replace INNER JOIN with CROSS APPLY:
SELECT ...
How can I make an “are you sure” prompt in a Windows batchfile?
...s possible with CHOICE to define a default option and a timeout to automatically continue with default option after some seconds without waiting for the user.
The output is better on answering the prompt automatically from another batch file which calls the batch file with the prompt using something...
HTML5 Email Validation
It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address"
...
Why is exception handling bad?
...language has no exceptions as a design choice, and Linus of Linux fame has called exceptions crap. Why?
15 Answers
...
Interface vs Base class
..., and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abstract class Mammal
This base class will probably have default methods such as:
F...