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Explanation of strong and weak storage in iOS5

I am new to iOS5 development and using objective-c. I have trouble understanding the difference between strong and weak storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight. ...
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Is there a tool to convert JavaScript files to TypeScript [closed]

...cript, too. Nevertheless you can change the extension of a .js file to .ts and pass this file to the TypeScript compiler. This really confused me and I asked the question in the TypeScript IRC channel on freenode. It turned out that the Typescript compiler checks its input for valid JavaScript and j...
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Best practices for circular shift (rotate) operations in C++

Left and right shift operators (>) are already available in C++. However, I couldn't find out how I could perform circular shift or rotate operations. ...
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Why do C++ libraries and frameworks never use smart pointers?

...part from the fact that many libraries were written before the advent of standard smart pointers, the biggest reason is probably the lack of a standard C++ Application Binary Interface (ABI). If you’re writing a header-only library, you can pass around smart pointers and standard containers to yo...
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Match multiline text using regular expression

... assumption. Pattern.MULTILINE or (?m) tells Java to accept the anchors ^ and $ to match at the start and end of each line (otherwise they only match at the start/end of the entire string). Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too. Second, in your case, ...
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What is normalized UTF-8 all about?

... bit identical to the input. Canonical normalization comes in 2 forms: NFD and NFC. The two are equivalent in the sense that one can convert between these two forms without loss. Comparing two strings under NFC will always give the same result as comparing them under NFD. NFD NFD has the characters ...
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What is ActiveMQ used for - can we apply messaging concept using a Database?

I looked it up and it used to send messages between 2 systems. But why? Why wouldn't you just use a Database ? There must be some feature that ActiveMQ has that Databases do not? ...
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Bootstrap close responsive menu “on click”

... I slide up a white div (as seen in attached). When in responsive (mobile and tablet), I would like to automaticly close the responsive navbar and only show the white bar. ...
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What is the difference between RegExp’s exec() function and String’s match() function?

...ch, in array form. } // No more matches. String.match does this for you and discards the captured groups. share | improve this answer | follow | ...
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Why does integer division in C# return an integer and not a float?

Does anyone know why integer division in C# returns an integer and not a float? What is the idea behind it? (Is it only a legacy of C/C++?) ...