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Computational complexity of Fibonacci Sequence
I understand Big-O notation, but I don't know how to calculate it for many functions. In particular, I've been trying to figure out the computational complexity of the naive version of the Fibonacci sequence:
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Create thumbnail image
I want to display thumbnail image in a gridview from file location. How to generate that of .jpeg file?
I am using C# language with asp.net .
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How to test if string exists in file with Bash?
I have a file that contains directory names:
13 Answers
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How can I display a JavaScript object?
How do I display the content of a JavaScript object in a string format like when we alert a variable?
38 Answers
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How to suppress GCC warnings from library headers?
I have a project that uses log4cxx, boost, etc. libraries whose headers generate lots of (repetitive) warnings. Is there a way to suppress warnings from library includes (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant in...
How do I create a readable diff of two spreadsheets using git diff?
We have a lot of spreadsheets (xls) in our source code repository. These are usually edited with gnumeric or openoffice.org, and are mostly used to populate databases for unit testing with dbUnit . There are no easy ways of doing diffs on xls files that I know of, and this makes merging extremely...
Why is printing to stdout so slow? Can it be sped up?
...kes to simply output to the terminal with a print statement. After some recent painfully slow logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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Understanding reference counting with Cocoa and Objective-C
I'm just beginning to have a look at Objective-C and Cocoa with a view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not o...
How do I print a double value with full precision using cout?
... don't know why I didn't think of that). I was printing a double using cout that got rounded when I wasn't expecting it. How can I make cout print a double using full precision?
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