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How is location accuracy measured in Android?

..., as the docs say, is not necessarily true), that means that this is one standard deviation. For example, if Location.getAccuracy returns 10, then there's a 68% chance the true location of the device is within 10 meters of the reported coordinates. http://developer.android.com/reference/android/loc...
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How do cache lines work?

I understand that the processor brings data into the cache via cache lines, which - for instance, on my Atom processor - brings in about 64 bytes at a time, whatever the size of the actual data being read. ...
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Python: try statement in a single line

... in Python, like you would in some other dynamic languages. The safer way (and the prevailing style) is to set all variables to something. If they might not get set, set them to None first (or 0 or '' or something if it is more applicable.) If you do assign all the names you are interested in fir...
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When are you truly forced to use UUID as part of the design?

...ur major UUID versions: Version 4 UUIDs are essentially just 16 bytes of randomness pulled from a cryptographically secure random number generator, with some bit-twiddling to identify the UUID version and variant. These are extremely unlikely to collide, but it could happen if a PRNG is used or if ...
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nginx missing sites-available directory

I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory. ...
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Best practices for exception management in Java or C# [closed]

I'm stuck deciding how to handle exceptions in my application. 15 Answers 15 ...
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Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?

...foo)() = foo; works: foo is implicitly converted into a pointer to itself and that pointer is assigned to p1_foo. The unary &, when applied to a function, yields a pointer to the function, just like it yields the address of an object when it is applied to an object. For pointers to ordinary f...
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How do I check two or more conditions in one ?

... If you are using JSP 2.0 and above It will come with the EL support: so that you can write in plain english and use and with empty operators to write your test: <c:if test="${(empty object_1.attribute_A) and (empty object_2.attribute_B)}"> ...
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Does Javascript pass by reference? [duplicate]

...out my parameter for the rectangle function. It is actually undefined , and redefined inside the function. There are no original reference. If I remove it from the function parameter, the inside area function is not able to access it. ...
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Test if number is odd or even

... I'd say this is the fastest and most straight forward way. Perfect. – Robbiegod Mar 27 '14 at 19:03 4 ...