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Is MATLAB OOP slow or am I doing something wrong?

...menting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead of strcat( a b ) , strcmp( a, b ) , retrieve first element o...
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Is quitting an application frowned upon?

Moving on in my attempt to learn Android, I just read the following : 40 Answers 40 ...
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Which timestamp type should I choose in a PostgreSQL database?

... First off, PostgreSQL’s time handling and arithmetic is fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented: Store the name of a user’s time zone as a user preference (e....
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Map Tiling Algorithm

...c idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge. The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as one or mor...
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UnicodeDecodeError when redirecting to file

...ice, in the Ubuntu terminal (encoding set to utf-8), once with ./test.py and then with ./test.py >out.txt : 3 Answers...
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Fastest way to determine if an integer's square root is an integer

... ~35% faster than your 6bits+Carmack+sqrt code, at least with my CPU (x86) and programming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out. My approach is threefold: First, filter out obvious answers. This includes negative numbers and ...
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Should all jquery events be bound to $(document)?

... No - you should NOT bind all delegated event handlers to the document object. That is probably the worst performing scenario you could create. First off, event delegation does not always make your code faster. In some cases, it's is advantageous and in some cases not....
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets

I have read many posts on SO and the web regarding the keywords in my question title and learned a lot from them. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the r...
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How to profile a bash shell script slow startup?

...bashstart.PID.log that shows the seconds.nanoseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took. As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of in...
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What is the combinatory logic equivalent of intuitionistic type theory?

I recently completed a university course which featured Haskell and Agda (a dependent typed functional programming language), and was wondering if it was possible to replace lambda calculus in these with combinatory logic. With Haskell this seems possible using the S and K combinators, thus making i...