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How does this print “hello world”?
I discovered this oddity:
9 Answers
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Throwing cats out of windows
Imagine you're in a tall building with a cat. The cat can survive a fall out of a low story window, but will die if thrown from a high floor. How can you figure out the longest drop that the cat can survive, using the least number of attempts?
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MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...件导出数据。mongoexport具体用法如下所示：
[root@localhost mongodb]# ./bin/mongoexport --help
Export MongoDB data to CSV, TSV or JSON files.
options:
--help produce help message
-v [ --verbose ] be more verbose (include multiple times for more...
UIButton: Making the hit area larger than the default hit area
I have a question dealing with UIButton and its hit area. I am using the Info Dark button in interface builder, but I am finding that the hit area is not large enough for some people's fingers.
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How can I access the MySQL command line with XAMPP for Windows?
How can I access the MySQL command line with XAMPP for Windows?
15 Answers
15
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What is the difference between char s[] and char *s?
In C, one can use a string literal in a declaration like this:
13 Answers
13
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Programmatically find the number of cores on a machine
Is there a way to determine how many cores a machine has from C/C++ in a platform-independent way? If no such thing exists, what about determining it per-platform (Windows/*nix/Mac)?
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What's the difference between size_t and int in C++?
In several C++ examples I see a use of the type size_t where I would have used a simple int . What's the difference, and why size_t should be better?
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Git merge reports “Already up-to-date” though there is a difference
I have a git repository with 2 branches: master and test.
15 Answers
15
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Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
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