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Is #pragma once a safe include guard?
...gnize that is non-standard, and thus could pose a cross-platform compatibility issue.
14 Answers
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How do you get a timestamp in JavaScript?
...nary operator like plus triggers the valueOf method in the Date object and it returns the timestamp (without any alteration).
Details:
On almost all current browsers you can use Date.now() to get the UTC timestamp in milliseconds; a notable exception to this is IE8 and earlier (see compatibility t...
How can I get the SQL of a PreparedStatement?
I have a general Java method with the following method signature:
13 Answers
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Abstract class in Java
...ich cannot be instantiated. An abstract class is used by creating an inheriting subclass that can be instantiated. An abstract class does a few things for the inheriting subclass:
Define methods which can be used by the inheriting subclass.
Define abstract methods which the inheriting subclass m...
What exactly is Spring Framework for? [closed]
... view.render(users);
}
}
Note that the code above doesn't have initialized the variable userLister. What should we do? If I explicitly instantiate the object like this:
UserLister userLister = new UserListerDB();
...I'd couple the view with my implementation of the class that access the...
What is array to pointer decay?
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It's said that arrays "decay" into pointers. A C++ array declared as int numbers [5] cannot be re-pointed, i.e. you can't say numbers = 0x5a5aff23. More importantly the term decay signifies loss of type and dimension; number...
Is there any free OCR library for Android? [closed]
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OCR can be pretty CPU intensive, you might want to reconsider doing it on a smart phone.
That aside, to my knowledge the popular OCR libraries are Aspire and Tesseract. Neither are straight up Java, so you're not going to get a drop-in Android OCR library.
However, Tesseract is open source...
How do I format a Microsoft JSON date?
I'm taking my first crack at Ajax with jQuery. I'm getting my data onto my page, but I'm having some trouble with the JSON data that is returned for Date data types. Basically, I'm getting a string back that looks like this:
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How to check if a string “StartsWith” another string?
How would I write the equivalent of C#'s String.StartsWith in JavaScript?
19 Answers
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How to retrieve the current value of an oracle sequence without increment it?
...QL instruction to retrieve the value of a sequence that does not increment it.
6 Answers
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