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How to get the nth occurrence in a string?
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I prefer this one to the accepted answer as when I tested for a second instance which did not exist the other answer returned the length of the first string where this one returned -1. An up-vote and thank you.
– John...
Should I use a class or dictionary?
... usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attribute names are not all known up front, but often this a sign that something's wrong with your design.
Keep this a class.
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Get a specific bit from byte
I have a byte, specifically one byte from a byte array which came in via UDP sent from another device. This byte stores the on/off state of 8 relays in the device.
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Correct idiom for managing multiple chained resources in try-with-resources block?
... Resource Management )) is nice, short and straightforward when using only one AutoCloseable resource. However, I am not sure what is the correct idiom when I need to declare multiple resources that are dependent on each other, for example a FileWriter and a BufferedWriter that wraps it. Of co...
How can I tell if a library was compiled with -g?
... There are also obdjump -W lib and readelf -w lib. The latter one is more configurable - see readelf(1) manpage.
– przemoc
Jan 4 '10 at 14:16
3
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SortedList, SortedDictionary and Dictionary
...d analog, but if order of elements is required, e.g. to print them, Sorted one is chosen.
Src: http://people.cs.aau.dk/~normark/oop-csharp/html/notes/collections-note-time-complexity-dictionaries.html
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Row Offset in SQL Server
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This is one way (SQL2000)
SELECT * FROM
(
SELECT TOP (@pageSize) * FROM
(
SELECT TOP (@pageNumber * @pageSize) *
FROM tableName
ORDER BY columnName ASC
) AS t1
ORDER BY columnName DESC
) AS ...
NSString tokenize in Objective-C
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Found this at http://borkware.com/quickies/one?topic=NSString (useful link):
NSString *string = @"oop:ack:bork:greeble:ponies";
NSArray *chunks = [string componentsSeparatedByString: @":"];
Hope this helps!
Adam
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C# vs Java generics [duplicate]
...re and there (most notably in constraints). But basically if you can read one, you can likely read/use the other.
The biggest difference though is in the implementation.
Java uses the notion of type erasure to implement generics. In short the underlying compiled classes are not actually gene...
Developing GUIs in Python: Tkinter vs PyQt [closed]
If one wants to develop a user interface in Python, which one to go for: TkInter or PyQt?
6 Answers
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