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How does Google calculate my location on a desktop?

...the wifis you passed, and returns the "wardrived" position if found, eventually with triangulation if intensities are present. The more wifi networks around, the higher is the accuracy of the positioning. adds additional networks you see that are currently not in the database to their database, so t...
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How Can I Browse/View The Values Stored in Redis [closed]

...n (delete, rename, duplicate) Value editor Online configuration JavaScript API directly accessible from the browser console for light data processing Lua Editor Online terminal with auto-completion and inline-documentation Real-time data-visualization Full disclosure: I founded Redsmi...
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How can I extract a good quality JPEG image from a video file with ffmpeg?

...ical file sizes and (to my naked eye) appear the same as without qscale at all. – felwithe Jan 28 '15 at 23:03 Can you...
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Difference between fprintf, printf and sprintf?

...on> #include <stdarg.h> #include <stdio.h> struct exception_fmt : std::exception { exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3))); char const* what() const throw() { return msg_; } char msg_[0x800]; }; exception_fmt::exception_fmt(char const* fm...
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Precision String Format Specifier In Swift

...sing string interpolation (which is much more readable) then you could put all the formatting extensions in a file elsewhere and reference it throughout your project. Of course, ideally Apple should provide the formatting library. – Anton Tcholakov Dec 20 '14 a...
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How to join two sets in one line without using “|”

... You can use union method for sets: set.union(other_set) Note that it returns a new set i.e it doesn't modify itself. share | improve this answer | f...
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Rails Model, View, Controller, and Helper: what goes where?

...summarized) by the Model, or generated from the Controller. If your View really needs to do processing that can't be done by the Model or Controller, put the code in a Helper. Lots of Ruby code in a View makes the pages markup hard to read. Model: Your model should be where all your code that rela...
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Does a `+` in a URL scheme/host/path represent a space?

...but any + characters in the path component is expected to be treated literally. To be explicit: + is only a special character in the query component. share | improve this answer | ...
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Meaning of 'const' last in a function declaration of a class?

...e that is often broken and easily broken. foobar& fbNonConst = const_cast<foobar&>(fb1); share | improve this answer | follow | ...
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Create space at the beginning of a UITextField

...but this is not the way. The reason you've to do it with a subclass is for all the edge cases. This code will probably crash before the subclass solution. But you are right that you shouldn't write code that is not strictly needed and can be provide by using the given libraries, but you shouldn't ab...