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How to refresh app upon shaking the device?
I need to add a shake feature that will refresh my Android application.
16 Answers
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Difference between Pragma and Cache-Control headers?
I read about Pragma header on Wikipedia which says:
3 Answers
3
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What characters can be used for up/down triangle (arrow without stem) for display in HTML?
I'm looking for a HTML or ASCII character which is a triangle pointing up or down so that I can use it as a toggle switch.
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How do I detect that an iOS app is running on a jailbroken phone?
If I want my app to behave differently on a jailbroken iPhone, how would I go about determining this?
17 Answers
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
I've been profiling some of our core math on an Intel Core Duo, and while looking at various approaches to square root I've noticed something odd: using the SSE scalar operations, it is faster to take a reciprocal square root and multiply it to get the sqrt, than it is to use the native sqrt opcode!...
Representational state transfer (REST) and Simple Object Access Protocol (SOAP)
Can somebody explain what is REST and what is SOAP in plain english? And how Web Services work?
14 Answers
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'AND' vs '&&' as operator
I have a codebase where developers decided to use AND and OR instead of && and || .
10 Answers
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Force unmount of NFS-mounted directory [closed]
I have an NFS-mounted directory on a Linux machine that has hung. I've tried to force an unmount, but it doesn't seem to work:
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LEFT JOIN only first row
I read many threads about getting only the first row of a left join, but, for some reason, this does not work for me.
6 Ans...
Printf width specifier to maintain precision of floating-point value
Is there a printf width specifier which can be applied to a floating point specifier that would automatically format the output to the necessary number of significant digits such that when scanning the string back in, the original floating point value is acquired?
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