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Which is preferred: Nullable.HasValue or Nullable != null?
...;>.HasValue because I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead.
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Why is super.super.method(); not allowed in Java?
...etimes be able to bypass your own class's behaviour (particularly from within the same method) but not your parent's. For example, suppose we have a base "collection of items", a subclass representing "a collection of red items" and a subclass of that representing "a collection of big red items". It...
How to order citations by appearance using BibTeX?
By default (using the plain style) BibTeX orders citations alphabetically.
12 Answers
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Remove all files except some from a directory
When using sudo rm -r , how can I delete all files, with the exception of the following:
19 Answers
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How do I use valgrind to find memory leaks?
How do I use valgrind to find the memory leaks in a program?
4 Answers
4
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How to generate a random integer number from within a range
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All the answers so far are mathematically wrong. Returning rand() % N does not uniformly give a number in the range [0, N) unless N divides the length of the interval into which rand() returns (i.e. is a power of 2). Furthermore, one has no idea whether the moduli of rand() are ...
Enable binary mode while restoring a Database from an SQL dump
I am extremely new to MySQL and am running it on Windows. I am trying to restore a Database from a dumpfile in MySQL, but I get the following error:
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What is the logic behind the “using” keyword in C++?
What is the logic behind the "using" keyword in C++?
1 Answer
1
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Sell me on const correctness
...ways recommended to use const as often as possible? It seems to me that using const can be more of a pain than a help in C++. But then again, I'm coming at this from the python perspective: if you don't want something to be changed, don't change it. So with that said, here are a few questions:
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Design Patterns: Abstract Factory vs Factory Method
... need to be changed only the Simple Factory Class)
Factory Method
Contains one method to produce one type of product related to its type. (It is better than a Simple Factory because the type is deferred to a sub-class.)
Abstract Factory
Produces a Family of Types that are related. It is noti...