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How to convert an enum type variable to a string?
How to make printf to show the values of variables which are of an enum type? For instance:
33 Answers
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C++ Build Systems - What to use? [closed]
..."richest" and "most-scalable" is probably CMake, which is a Makefile-generator (also generates native MSVC++ *.proj/*.sln). Weird syntax, but once you learn it, it can allow you to nicely generate builds for different platforms. If I "started-fresh", I'd probably use CMake. It should handle your ...
Design Patterns: Factory vs Factory method vs Abstract Factory
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All three Factory types do the same thing: They are a "smart constructor".
Let's say you want to be able to create two kinds of Fruit: Apple and Orange.
Factory
Factory is "fixed", in that you have just one implementation with no subcl...
Volatile vs. Interlocked vs. lock
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Worst (won't actually work)
Change the access modifier of counter to public volatile
As other people have mentioned, this on its own isn't actually safe at all. The point of volatile is that multiple threads running on multiple CPUs can and will cache data and re-order instructions.
If it ...
Convert xlsx to csv in Linux with command line
I'm looking for a way to convert xlsx files to csv files on Linux.
10 Answers
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Is it wrong to use Deprecated methods or classes in Java?
I am using eclipse to develop a web application. Just today I have updated my struts version by changing the JAR file. I am getting warnings at some places that methods are deprecated, but the code is working fine.
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Sometimes adding a WCF Service Reference generates an empty reference.cs
... the issue.
If you were using some aspect of this feature, you might need to make sure your names are cleaned up.
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Why use iterators instead of array indices?
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The first form is efficient only if vector.size() is a fast operation. This is true for vectors, but not for lists, for example. Also, what are you planning to do within the body of the loop? If you plan on accessing the elements as in
T elem = some_vector[i];...
Return anonymous type results?
Using the simple example below, what is the best way to return results from multiple tables using Linq to SQL?
16 Answers
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Passing an integer by reference in Python
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It doesn't quite work that way in Python. Python passes references to objects. Inside your function you have an object -- You're free to mutate that object (if possible). However, integers are immutable. One workaround is to pass the integer in a container which can be mutated:
def change(x...