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Negative weights using Dijkstra's Algorithm
... thus fails to accurately compute distances in some cases. Moreover, even if you were to store back pointers saying how to get from each node to the start node A, you'd end taking the wrong path back from C to A.
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How do I list the symbols in a .so file
How do I list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library).
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Error: free(): invalid next size (fast):
... executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time.
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How to get a list of column names on Sqlite3 database?
...w database version. Since I don't have some version saved, I need to check if certain column names exist.
18 Answers
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How to call erase with a reverse iterator
...e drawn to be pointing at. The diagram shows what element you would access if you * them, but we're talking about what element you'd be pointing at if you base them, which is one element to the right. I'm not such a fan of the --(i.base()) or (++i).base() solutions since they mutate the iterator. I ...
Gets byte array from a ByteBuffer in java
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Depends what you want to do.
If what you want is to retrieve the bytes that are remaining (between position and limit), then what you have will work. You could also just do:
ByteBuffer bb =..
byte[] b = new byte[bb.remaining()];
bb.get(b);
which is equ...
Is String.Contains() faster than String.IndexOf()?
...have a string buffer of about 2000 characters and need to check the buffer if it contains a specific string.
Will do the check in a ASP.NET 2.0 webapp for every webrequest.
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Conceptually, how does replay work in a game?
...ame numbers might not be a good reference since the replay might run at a different framerate than the live game.
– Ben S
Jun 17 '10 at 18:23
5
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How to delete all files and folders in a directory?
... (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
If your directory may have many files, EnumerateFiles() is more efficient than GetFiles(), because when you use EnumerateFiles() you can start enumerating it before the whole collection is returned, as opposed to GetFiles() w...
How to automatically indent source code?
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Side note: shortcut depends on your keyboard layout, so if one does not work - check what Edit->Advanced says. Indeed you can customize it to you liking in Tools->Options->Environment->Keyboard.
– Alexei Levenkov
Jun 24 '15 at 17...