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X-Frame-Optio<em>nem>s Allow-From multiple domai<em>nem>s

... is deprecated. From MD<em>Nem>: This feature has bee<em>nem> removed from the Web st<em>a<em>nem>dem>ards. Though some browsers may still support it, it is i<em>nem> the process of bei<em>nem>g dropped. Do <em>nem>ot use it i<em>nem> old or <em>nem>ew projects. Pages or Web apps usi<em>nem>g it may break at a<em>nem>y time. The moder<em>nem> alter<em>nem>ative is the Co<em>nem>te<em>nem>t-Securi...
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How to avoid overflow i<em>nem> expr. A * B - C * D

... Both lo<em>nem>g lo<em>nem>g <em>a<em>nem>dem> double are 64 bits. Si<em>nem>ce double has to allocate some bits for the expo<em>nem>e<em>nem>t, it has a smaller ra<em>nem>ge of p<em>osem>sible values without l<em>osem>s of precisio<em>nem>. – Jim Garriso<em>nem> <em>Nem>ov 5 '12 at 19:03 ...
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How do I fi<em>nem>d duplicates acr<em>osem>s multiple colum<em>nem>s?

... Duplicated id for pairs <em>nem>ame <em>a<em>nem>dem> city: select s.id, t.* from [stuff] s joi<em>nem> ( select <em>nem>ame, city, cou<em>nem>t(*) as qty from [stuff] group by <em>nem>ame, city havi<em>nem>g cou<em>nem>t(*) &gt; 1 ) t o<em>nem> s.<em>nem>ame = t.<em>nem>ame <em>a<em>nem>dem> s.city = t.city ...
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Why does Clojure have “keywords” i<em>nem> additio<em>nem> to “symbols”?

...ce<em>nem>tly I've bee<em>nem> readi<em>nem>g about Clojure . I see that it has both "symbols" <em>a<em>nem>dem> "keywords". Symbols I'm familiar with, but <em>nem>ot with keywords. ...
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Is there a reaso<em>nem> that Swift array assig<em>nem>me<em>nem>t is i<em>nem>co<em>nem>siste<em>nem>t (<em>nem>either a refere<em>nem>ce <em>nem>or a deep copy)?

I'm readi<em>nem>g the docume<em>nem>tatio<em>nem> <em>a<em>nem>dem> I am co<em>nem>sta<em>nem>tly shaki<em>nem>g my head at some of the desig<em>nem> decisio<em>nem>s of the la<em>nem>guage. But the thi<em>nem>g that really got me puzzled is how arrays are h<em>a<em>nem>dem>led. ...
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PHP + MySQL tra<em>nem>sactio<em>nem>s examples

...re, it mea<em>nem>s that <em>nem>o exceptio<em>nem> was throw<em>nem> // i.e. <em>nem>o query has failed, <em>a<em>nem>dem> we ca<em>nem> commit the tra<em>nem>sactio<em>nem> $db-&gt;commit(); } catch (\Throwable $e) { // A<em>nem> exceptio<em>nem> has bee<em>nem> throw<em>nem> // We must rollback the tra<em>nem>sactio<em>nem> $db-&gt;rollback(); throw $e; // but the error must be h<em>a<em>nem>dem>...
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Is it p<em>osem>sible to use jQuery .o<em>nem> <em>a<em>nem>dem> hover?

...after the i<em>nem>itial page load. I'm curre<em>nem>tly usi<em>nem>g .bi<em>nem>d with mouseover <em>a<em>nem>dem> mouseout . 10 A<em>nem>swers ...
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How to programmatically determi<em>nem>e the curre<em>nem>t checked out Git bra<em>nem>ch [duplicate]

...ki<em>nem>g the curre<em>nem>t bra<em>nem>ch programatically, from Ju<em>nem>e 10, 2013 explai<em>nem>s whys (<em>a<em>nem>dem> hows) i<em>nem> more detail. share | improve this a<em>nem>swer | follow | ...
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raw vs. html_safe vs. h to u<em>nem>escape html

...s declared o<em>nem> a helper, just like h, so it ca<em>nem> o<em>nem>ly be used o<em>nem> co<em>nem>trollers <em>a<em>nem>dem> views. "SafeBuffers <em>a<em>nem>dem> Rails 3.0" is a <em>nem>ice expla<em>nem>atio<em>nem> o<em>nem> how the SafeBuffers (the class that does the html_safe magic) work. share ...
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Preve<em>nem>t double submissio<em>nem> of forms i<em>nem> jQuery

...ttle while for the server to process. I <em>nem>eed to e<em>nem>sure that the user waits <em>a<em>nem>dem> does <em>nem>ot attempt to resubmit the form by clicki<em>nem>g the butto<em>nem> agai<em>nem>. I tried usi<em>nem>g the followi<em>nem>g jQuery code: ...