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Do you use NULL or 0 (zero) for pointers in C++?

... +1. Agreed with Andy. @Ferruccio, Implementation detail of programmer's idea is not the same as compiler's implementation defined – user Feb 15 '14 at 23:08 ...
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Input and output numpy arrays to h5py

...w. I can read the contents with h5py, but not inspect it with HDFView. Any idea why? – Martin Thoma May 3 '19 at 9:41 add a comment  |  ...
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Simple and fast method to compare images for similarity

...a few methods on top of my head that could possibly help you: Simple euclidean distance as mentioned by @carlosdc (doesn't work with transformed images and you need a threshold). (Normalized) Cross Correlation - a simple metrics which you can use for comparison of image areas. It's more robust tha...
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How do I use the conditional operator (? :) in Ruby?

...ome judicious additions of whitespace. This is untested but you'll get the idea: <% question = (question.size > 20) ? question.question.slice(0, 20) + "..." \ : question.question %> Or, more written more idiomatically: <% question = if (question.si...
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dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related

... I followed the above (never a bad idea to keep up to date with brew anyhow) and still had the same exact issue: LAPTOP:folder Username$ php -v dyld: Library not loaded: /usr/local/lib/libpng15.15.dylib Referenced from: /usr/local/bin/php Reason: image no...
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How do I iterate through each element in an n-dimensional matrix in MATLAB?

... The idea of a linear index for arrays in matlab is an important one. An array in MATLAB is really just a vector of elements, strung out in memory. MATLAB allows you to use either a row and column index, or a single linear index. ...
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Generate random numbers using C++11 random library

... low cost. The void die_roll() Example is from Bjarne Stroustrups - good idea generating engine and distribution with using (more bout that here). To be able to make practical use of the random number generators provided by the standard library in <random> here some executable code with ...
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Using a dispatch_once singleton model in Swift

...wer, however I need to access this (Singleton) from Interface Builder. Any idea on how could I access this tpScopeManagerSharedInstance from within IB?. Thanks.- – Luis Palacios Jul 20 '14 at 12:08 ...
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?

... Now this is really cool. I had no idea there is true or false operator. – IllidanS4 wants Monica back May 4 '13 at 21:49 ...
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Regular expression to match balanced parentheses

...r on unbalanced parenthesis drop the + quantifier. Java: An interesting idea using forward references by @jaytea. Reference - What does this regex mean? rexegg.com - Recursive Regular Expressions Regular-Expressions.info - Regular Expression Recursion ...