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Is it good practice to make the constructor throw an exception? [duplicate]
Is it a good practice to make the constructor throw an exception?
For example I have a class Person and I have age as its only attribute. Now
I provide the class as
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What's wrong with nullable columns in composite primary keys?
ORACLE does not permit NULL values in any of the columns that comprise a primary key. It appears that the same is true of most other "enterprise-level" systems.
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What is “git remote add …” and “git push origin master”?
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git is like UNIX. User friendly but picky about its friends. It's about as powerful and as user friendly as a shell pipeline.
That being said, once you understand its paradigms and concepts, it has the same zenlike clarity that I...
Checking for NULL pointer in C/C++ [closed]
In a recent code review, a contributor is trying to enforce that all NULL checks on pointers be performed in the following manner:
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Difference between natural join and inner join
What is the difference between a natural join and an inner join?
11 Answers
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What is the 'new' keyword in JavaScript?
The new keyword in JavaScript can be quite confusing when it is first encountered, as people tend to think that JavaScript is not an object-oriented programming language.
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Is quitting an application frowned upon?
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This will eventually get to your question, but I first want to address a number of issues you raise in your various comments to the various answers already given at the time of this writing. I have no intention of changing your...
What is duck typing?
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It is a term used in dynamic languages that do not have strong typing.
The idea is that you don't need a type in order to invoke an existing method on an object - if a method is defined on it, you can invoke it.
The name comes...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
I just found a comment in this answer saying that using iostream::eof in a loop condition is "almost certainly wrong". I generally use something like while(cin>>n) - which I guess implicitly checks for EOF.
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When is the finalize() method called in Java?
I need to know when the finalize() method is called in the JVM . I created a test class which writes into a file when the finalize() method is called by overriding it. It is not executed. Can anybody tell me the reason why it is not executing?
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