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Splitting templated C++ classes into .hpp/.cpp files--is it possible?
I am getting errors trying to compile a C++ template class which is split between a .hpp and .cpp file:
16 Answers
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What are the rules for JavaScript's automatic semicolon insertion (ASI)?
...e affected by the automatic semicolon insertion (also known as ASI for brevity):
empty statement
var statement
expression statement
do-while statement
continue statement
break statement
return statement
throw statement
The concrete rules of ASI, are described in the specification §11.9.1 Rules of...
Add Keypair to existing EC2 instance
I was given AWS Console access to an account with 2 instances running that I cannot shut down (in production). I would however like to gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the ke...
Any good, visual HTML5 Editor or IDE? [closed]
Well it looks like Dreamweaver CS5 will try to smoother the HTML5 thing for a few more years (weeks actually). Seems like the next rung down is right to Notepad!
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How can I lookup a Java enum from its String value?
I would like to lookup an enum from its string value (or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
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Dynamic cell width of UICollectionView depending on label width
...or that label. I can resize label width depending on content width easily with sizeToFit. But I cannot make cell to fit label.
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SHA512 vs. Blowfish and Bcrypt [closed]
I'm looking at hashing algorithms, but couldn't find an answer.
6 Answers
6
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Why java.util.Optional is not Serializable, how to serialize the object with such fields
The Enum class is Serializable so there is no problem to serialize object with enums. The other case is where class has fields of java.util.Optional class. In this case the following exception is thrown: java.io.NotSerializableException: java.util.Optional
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Do I really have a car in my garage? [duplicate]
...stract int getPriceAfterYears(int years);
}
Every Vehicle has a price so it can be put inside the Vehicle abstract class.
Yet, the formula determining the price after n years depends on the vehicle, so it left to the implementing class to define it. For instance:
public Car extends Vehicle {
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How to Calculate Execution Time of a Code Snippet in C++
I have to compute execution time of a C++ code snippet in seconds. It must be working either on Windows or Unix machines.
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