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How to reuse an ostringstream?
I'd like to clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
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What is q=0.5 in Accept* HTTP headers?
What do these 'q=%f' mean?
3 Answers
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Effect of NOLOCK hint in SELECT statements
I guess the real question is:
5 Answers
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Difference between “change” and “input” event for an `input` element
Can someone tell me what the difference between the change and input events is?
4 Answers
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What's the dSYM and how to use it? (iOS SDK)
Sometimes the compiler produces .dSYM files. I guess this is a debugging related file, but I don't know what it is, and how to use it.
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Grep only the first match and stop
I'm searching a directory recursively using grep with the following arguments hoping to only return the first match. Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/
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What does curly brackets in the `var { … } = …` statements do?
Not sure if this is a Mozilla-specific JS syntax, but I often found variables being declared this way, for example, in add-on SDK docs :
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Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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PHP foreach change original array values
I am very new in multi dimensional arrays, and this is bugging me big time.
5 Answers
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Eager load polymorphic
Using Rails 3.2, what's wrong with this code?
4 Answers
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