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Why JavaScript rather than a standard browser virtual machine?

...nse to support a set of languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only? ...
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Creating range in JavaScript - strange syntax

... Understanding this "hack" requires understanding several things: Why we don't just do Array(5).map(...) How Function.prototype.apply handles arguments How Array handles multiple arguments How the Number function handles arguments ...
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Django: multiple models in one template using forms [closed]

I'm building a support ticket tracking app and have a few models I'd like to create from one page. Tickets belong to a Customer via a ForeignKey. Notes belong to Tickets via a ForeignKey as well. I'd like to have the option of selecting a Customer (that's a whole separate project) OR creating a new ...
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Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh

...er sort of logic - no possible option to drop down to using scriptlet tags and doing nasty things in your templates. Placeholders - do velocity/freemaker give anything more than JSTL? In JSTL you put placeholder, and use the model (placed in request or session scope, by controllers) to fill th...
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How fast is D compared to C++?

... To enable all optimizations and disable all safety checks, compile your D program with the following DMD flags: -O -inline -release -noboundscheck EDIT: I've tried your programs with g++, dmd and gdc. dmd does lag behind, but gdc achieves performance...
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How much is the overhead of smart pointers compared to normal pointers in C++?

...11? In other words, is my code going to be slower if I use smart pointers, and if so, how much slower? 5 Answers ...
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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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How can I pair socks from a pile efficiently?

Yesterday I was pairing the socks from the clean laundry and figured out the way I was doing it is not very efficient. I was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average. ...
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ReSharper “Cannot resolve symbol” even when project builds

...Try Visual Studio → menu Tools → Options → ReSharper, Suspend button and Resume again (no need to close the window). This works in my case. share | improve this answer | ...
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ActiveMQ or RabbitMQ or ZeroMQ or [closed]

We'd be interested to hear any experiences with the pros and cons of ActiveMQ vs RabbitMQ vs ZeroMQ. Information about any other interesting message queues is also welcome. ...