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Why doesn't Java support unsigned ints?
...ses, they felt that the most common need was for signed data types". In my C++ code, I more than often find myself thinking "Why on earth am I using a signed integer here instead of an unsigned one?!". I have the feeling that "signed" is the exception rather than the rule (of course, it depends on t...
What is the python “with” statement designed for?
...The with statement can thus be used in ways similar to the RAII pattern in C++: some resource is acquired by the with statement and released when you leave the with context.
Some examples are: opening files using with open(filename) as fp:, acquiring locks using with lock: (where lock is an instance...
NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
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Nunit doesnt work well with mixed-mode projects in C++ so I had to drop it
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Has anyone actually implemented a Fibonacci-Heap efficiently?
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The Boost C++ libraries include an implementation of Fibonacci heaps in boost/pending/fibonacci_heap.hpp. This file has apparently been in pending/ for years and by my projections will never be accepted. Also, there have been bugs in...
Performance of Java matrix math libraries? [closed]
...with itself. The results are as follows.
Using multithreaded ATLAS with C/C++, Octave, Python and R, the time taken was around 4 seconds.
Using Jama with Java, the time taken was 50 seconds.
Using Colt and Parallel Colt with Java, the time taken was 150 seconds!
Using JBLAS with Java, the time t...
Sublime - delete all lines containing specific value
...ile. My machine got stuck for several minutes when I did Ctrl+Shift+K with 200,000 lines selected.
– Przemek D
Aug 28 '17 at 11:43
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Const before or const after?
...hink putting it on the right makes more sense. You generally read types in C++ from right-to-left, for example Object const * is a pointer to a const Object. If you put the const on the left, it would read as a pointer to an Object that is const, which doesn't really flow very well.
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How to convert String to long in Java?
...e some way to convert string to Integer :
1)
long l = Long.parseLong("200");
2)
String numberAsString = "1234";
long number = Long.valueOf(numberAsString).longValue();
3)
String numberAsString = "1234";
Long longObject = new Long(numberAsString);
long number = longObject.longValue(...
What is the bit size of long on 64-bit Windows?
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It is not clear if the question is about the Microsoft C++ compiler or the Windows API. However, there is no [c++] tag so I assume it is about the Windows API. Some of the answers have suffered from link rot so I am providing yet another link that can rot.
For information abou...
What's the scope of a variable initialized in an if statement?
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user2357112 supports Monica
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answered May 13 '10 at 19:21
Luke Maurer...