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What is the difference between varchar and nvarchar?
...ng speed? Most new coding platforms use Unicode natively (Java, .NET, even C++ std::wstring from years ago!) so if the database field is VARCHAR it forces Oracle to convert between character sets on every read or write, not so good. Using NVARCHAR avoids the conversion.
Bottom line: Use NVARCHAR! I...
What does the fpermissive flag do?
...
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Python Linked List
...r()
print L
It is a simple LinkedList class based on the straightforward C++ design and Chapter 17: Linked lists, as recommended by Thomas Watnedal.
class Node:
def __init__(self, value = None, next = None):
self.value = value
self.next = next
def __str__(self):
r...
How do I iterate over the words of a string?
...
Ahh well, I figured it out. I put the C++ lines from aws' comment inside the function body of tokenize(), then edited the tokens.push_back() lines to change the ContainerT::value_type to just ValueType and changed (ContainerT::value_type::size_type) to (SizeType)...
Does Swift support reflection?
...s with very small bodies, for example.
Summary:
Swift can behave like C++, with fast static/vtable dispatch and limited reflection. This makes it suitable for lower level or performance intensive applications, but without the complexity, learning curve or risk of error associated with C++
While...
LD_LIBRARY_PATH vs LIBRARY_PATH
I'm building a simple C++ program and I want to temporarily substitute a system supplied shared library with a more recent version of it, for development and testing.
...
Why does integer division in C# return an integer and not a float?
...ger and not a float?
What is the idea behind it? (Is it only a legacy of C/C++?)
7 Answers
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How to find the kth largest element in an unsorted array of length n in O(n)?
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The C++ standard library has almost exactly that function call nth_element, although it does modify your data. It has expected linear run-time, O(N), and it also does a partial sort.
const int N = ...;
double a[N];
// ...
cons...
How to tell where a header file is included from?
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Disable copy constructor
...ementation:
private:
SymbolIndexer(const SymbolIndexer&);
Or in C++11, explicitly forbid it:
SymbolIndexer(const SymbolIndexer&) = delete;
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