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How to initialize a vector in C++ [duplicate]

...p;arr[0]+N; } And then you can do this without having to repeat the size all over: int vv[] = { 12,43 }; std::vector<int> v(begin(vv), end(vv)); share | improve this answer | ...
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How do I change the formatting of numbers on an axis with ggplot?

I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
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Foreign key constraint may cause cycles or multiple cascade paths?

...f cascade paths and, rather than trying to work out whether any cycles actually exist, it assumes the worst and refuses to create the referential actions (CASCADE): you can and should still create the constraints without the referential actions. If you can't alter your design (or doing so would comp...
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How does one generate a random number in Apple's Swift language?

... introduces new easy-to-use random functions for many data types. You can call the random() method on numeric types. let randomInt = Int.random(in: 0..<6) let randomDouble = Double.random(in: 2.71828...3.14159) let randomBool = Bool.random() ...
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What's the best way to unit test protected & private methods in Ruby?

...e: Never mind the send! thing, it was revoked long ago, send/__send__ can call methods of all visibility - redmine.ruby-lang.org/repositories/revision/1?rev=13824 – dolzenko May 18 '10 at 5:41 ...
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What is console.log?

... Places you can view the console! Just to have them all in one answer. Firefox http://getfirebug.com/ (you can also now use Firefox's built in developer tools Ctrl+Shift+J (Tools > Web Developer > Error Console), but Firebug is much better; use Firebug) Safari and Ch...
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Is there any advantage of using map over unordered_map in case of trivial keys?

... unordered_map. Something else to keep in mind is that unordered_map generally uses more memory. map just has a few house-keeping pointers, and memory for each object. Contrarily, unordered_map has a big array (these can get quite big in some implementations), and then additional memory for each ob...
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Scatterplot with marginal histograms in ggplot2

...m the same distribution though, so the marginal histograms should theoretically match the scatter plot. – oeo4b Dec 17 '11 at 17:03 8 ...
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How to make the 'cut' command treat same sequental delimiters as one?

... characters to tab. For example: I came here looking for a way to automatically export my display: who am i | tr -s ' ()' '\t' | cut -f5 – Leo Mar 28 '16 at 23:24 ...
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Get a list of checked checkboxes in a div using jQuery

... Unnecessary call of constructor var selected = new Array();. Better (cheaper) with var selected = []; – Pono Mar 17 '14 at 22:45 ...