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Why am I getting “undefined reference to sqrt” error even though I include math.h header? [duplicate

... | edited May 2 '12 at 8:12 answered May 2 '12 at 6:55 ...
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How to store a dataframe using Pandas

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jQuery UI: Datepicker set year range dropdown to 100 years

...ere http://api.jqueryui.com/datepicker/#option-yearRange yearRange: '1950:2013', // specifying a hard coded year range or this way yearRange: "-100:+0", // last hundred years From the Docs Default: "c-10:c+10" The range of years displayed in the year drop-down: either relative to tod...
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What is a elegant way in Ruby to tell if a variable is a Hash or an Array?

... 266 You can just do: @some_var.class == Hash or also something like: @some_var.is_a?(Hash) I...
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What is event bubbling and capturing?

... bubbling. Both are part of the W3C Document Object Model Events standard (2000). IE < 9 uses only event bubbling, whereas IE9+ and all major browsers support both. On the other hand, the performance of event bubbling may be slightly lower for complex DOMs. We can use the addEventListener(type,...
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How do I know the script file name in a Bash script?

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Can grep show only words that match search pattern?

... Dan MidwoodDan Midwood 14.1k33 gold badges2626 silver badges3131 bronze badges 10 ...
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getting date format m-d-Y H:i:s.u from milliseconds

... 126 php.net says: Microseconds (added in PHP 5.2.2). Note that date() will always generate 0000...
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Should a function have only one return statement?

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How to extend an existing JavaScript array with another array, without creating a new array

... Arsen Khachaturyan 5,90933 gold badges3232 silver badges3434 bronze badges answered Sep 3 '09 at 15:27 DzinXDzinX 43....