# All Questions

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### How can I share objects with dynamic content with non-Mathematica users?

Often when I construct some cool Manipulate[] function, I would like to share it with others—non-Mathematica users. Some software, notably Cinderella, ...
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### Operations on online files via public URL access

I need Mathematica to access an online public directory via some URL (fake in this case) http://example.com/images and perform operations similar to those Mathematica can do on OS directories and ...
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### Convenient string manipulation

With Mathematica I always feel that strings are "second class citizens." Compared to a language such as PERL one must juggle a lot of code to accomplish the same task. The available functionality is ...
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### How do you determine the optimal autocompilation length on your system

When you pack lists there is an overhead therefore packing a list with, say, 2 elements is likely to cost more than you get back in efficiency. Mathematica has default list lengths for which functions ...
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### SetAttributes[f,Flat]: Why the order dependence?

I'm experiencing a strange phenomenon. Here's a (quite artificial) test case: The following definition work just fine: ...
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### Custom package development: Basic steps [duplicate]

Every once in a while, I write a generic function that I use quite often for months to come. However, package development in Mathematica is not very well documented from what I can tell, and I was not ...
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### How to represent and manipulate abstract indexed vector (or tensor) expressions?

I have a couple abstract indexed quantities, both differential elements $dx = dx^\mu e_\mu + x^\mu de_\mu$ $du = du^\mu e_\mu + u^\mu de_\mu$ I can compute the expression \$(dx + du) \cdot (dx + du) ...