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Why should text files end with a newline?
I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
It seems rare to read of a Python "virtual machine" while in Java "virtual machine" is used all the time.
13 Answers
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What is bootstrapping?
...eing "bootstrapping" mentioned in discussions of application development. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Nea...
What is the difference between DAO and Repository patterns?
What is the difference between Data Access Objects (DAO) and Repository patterns? I am developing an application using Enterprise Java Beans (EJB3), Hibernate ORM as infrastructure, and Domain-Driven Design (DDD) and Test-Driven Development (TDD) as design techniques.
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Case objects vs Enumerations in Scala
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One big difference is that Enumerations come with support for instantiating them from some name String. For example:
object Currency extends Enumeration {
val GBP = Value("GBP")
val EUR = Value("EUR") //etc.
}
Then you can do:
val ccy = Currency.withName("EUR")
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Is it a good practice to place C++ definitions in header files?
My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
How to force a Solution file (SLN) to be opened in Visual Studio 2013?
Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead.
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What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Why do you use typedef when declaring an enum in C++?
I haven't written any C++ in years and now I'm trying to get back into it. I then ran across this and thought about giving up:
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System.Timers.Timer vs System.Threading.Timer
...ic difference appears to be that System.Timers.Timer is geared towards multithreaded applications and is therefore thread-safe via its SynchronizationObject property, whereas System.Threading.Timer is ironically not thread-safe out-of-the-box.
I don't believe that there is a difference between the ...