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Adding a Method to an Existing Object Instance

... Cristian Ciupitu 17.3k77 gold badges4646 silver badges6868 bronze badges answered Aug 6 '08 at 0:33 Jason PrattJason Prat...
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Does a const reference class member prolong the life of a temporary?

...ences prolong the lifespan. The standard specifies such behavior in §8.5.3/5, [dcl.init.ref], the section on initializers of reference declarations. The reference in your example is bound to the constructor's argument n, and becomes invalid when the object n is bound to goes out of scope. The lif...
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How to append to New Line in Node.js

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json_encode() escaping forward slashes

...SLASHES flag. !important read before: https://stackoverflow.com/a/10210367/367456 (know what you're dealing with - know your enemy) json_encode($str, JSON_UNESCAPED_SLASHES); If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http:/...
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Minimizing NExpectation for a custom distribution in Mathematica

..., s, Log[x]]/x; If we plot pdf2 it looks exactly as your Plot Plot[pdf2[3.77, 1.34, -2.65, 0.40, x], {x, 0, .3}] Now to the expected value. If I understand it correctly we have to integrate x * pdf[x] from -inf to +inf for a normal expected value. x * pdf[x] looks like Plot[pdf2[3.77, 1.34...
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How to create a static library with g++?

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Knight's Shortest Path on Chessboard

...e moves are disconnected (value=0), the sparse matrix would be like: (a1,b3)=1, (a1,c2)=1, ..... And the shortest path of two points in a graph can be found using http://en.wikipedia.org/wiki/Dijkstra's_algorithm Pseudo-code from wikipedia-page: function Dijkstra(Graph, source): for each v...
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What is the difference between LL and LR parsing?

... GEOCHET 20.3k1515 gold badges7171 silver badges9797 bronze badges answered Jul 26 '11 at 2:21 templatetypedeftem...
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How to vertically center a div for all browsers?

... 1396 Below is the best all-around solution I could build to vertically and horizontally center a fi...
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Scraping html tables into R data frames using the XML package

... | edited Apr 8 '17 at 13:21 Jim G. 13.7k1919 gold badges8888 silver badges148148 bronze badges answer...