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Why declare a struct that only contains an array in C?
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It allows you to pass the array to a function by value, or get it returned by value from a function.
Structs can be passed by value, unlike arrays which decay to a pointer in these contexts.
sha...
Java Ordered Map
...er. Otherwise you can used the LinkedHashMap where the order is determined by the insertion order.
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Framework vs. Toolkit vs. Library [duplicate]
...ed to insert
your behavior into various places in
the framework either by subclassing or
by plugging in your own classes. The
framework's code then calls your code
at these points.
To summarize: your code calls a library but a framework calls your code.
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Why can't C++ be parsed with a LR(1) parser?
... ∞ means "arbitrarily many" because the lookahead will always be bounded by the input length.
– MauganRa
May 12 '14 at 22:43
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Any implementation of Ordered Set in Java?
...iterator(). A normal HashSet's iterator is quite random, a TreeSet does it by sort order, a LinkedHashSet iterator iterates by insert order.
You can't replace an element in a LinkedHashSet, however. You can remove one and add another, but the new element will not be in the place of the original. In...
When to use margin vs padding in CSS [closed]
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TL;DR: By default I use margin everywhere, except when I have a border or background and want to increase the space inside that visible box.
To me, the biggest difference between padding and margin is that vertical margins auto-col...
What is a 'thunk'?
...g one or more hidden extra arguments to the function that are not provided by the call site.
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Determining complexity for recursive functions (Big O notation)
...siveFun3(n/5);
}
This function is log(n) base 5, for every time we divide by 5
before calling the function so its O(log(n))(base 5), often called logarithmic and most often Big O notation and complexity analysis uses base 2.
void recursiveFun4(int n, int m, int o)
{
if (n <= 0)
{
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How can I read a large text file line by line using Java?
I need to read a large text file of around 5-6 GB line by line using Java.
21 Answers
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How to sort by two fields in Java?
... return x1.compareTo(x2);
}});
}
List<Persons> is now sorted by name, then by age.
String.compareTo "Compares two strings lexicographically" - from the docs.
Collections.sort is a static method in the native Collections library. It does the actual sorting, you just need to provide a ...