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How to use NSCache
Can someone give an example on how to use NSCache to cache a string?
Or anyone has a link to a good explanation? I can't seem to find any..
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What does the @ symbol represent in objective-c?
I'm learning objective-c and keep bumping into the @ symbol. It is used in different scenarios, for example at the start of a string or to synthesise accessor methods.
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?
Java 6's Arrays.sort method uses Quicksort for arrays of primitives and merge sort for arrays of objects. I believe that most of time Quicksort is faster than merge sort and costs less memory. My experiments support that, although both algorithms are O(n log(n)). So why are different algorithms us...
Is it possible to change the radio button icon in an android radio button group
I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered.
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Why are exclamation marks used in Ruby methods?
In Ruby some methods have a question mark ( ? ) that ask a question like include? that ask if the object in question is included, this then returns a true/false.
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Creating temporary files in bash
Are there objectively better ways to create temporary files in bash scripts?
5 Answers
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How to best display in Terminal a MySQL SELECT returning too many fields?
I'm using PuTTY to run:
12 Answers
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Question mark and colon in JavaScript
I came across the following line
7 Answers
7
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How to find out if a file exists in C# / .NET?
I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
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How comment a JSP expression?
How can I comment a JSP expression like: <%= map.size() %>
7 Answers
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