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How random is JavaScript's Math.random?

For 6 years I've had a random number generator page on my website. For a long time, it was the first or second result on Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referr...
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How to delete a whole folder and content?

I want the users of my application to be able to delete the DCIM folder (which is located on the SD card and contains subfolders). ...
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How can I get the count of milliseconds since midnight for the current?

Note, I do NOT want millis from epoch. I want the number of milliseconds currently on the clock. 11 Answers ...
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Best way to convert strings to symbols in hash

What's the (fastest/cleanest/straightforward) way to convert all keys in a hash from strings to symbols in Ruby? 31 Answers...
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Common programming mistakes for Clojure developers to avoid [closed]

What are some common mistakes made by Clojure developers, and how can we avoid them? 8 Answers ...
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jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]

What solutions accomplish the same auto-completion that SO uses for entering tags? 6 Answers ...
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Best data type for storing currency values in a MySQL database

What is the best SQL data type for currency values? I'm using MySQL but would prefer a database independent type. 9 Answer...
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Can I disable autolayout for a specific subview at runtime?

I have a view that needs to have its frame manipulated programmatically - it's a kind of document view that wraps to its content which is then scrolled and zoomed around a superview by manipulating the frame origin. Autolayout fights with this at runtime. ...
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How to create an alias for a command in Vim?

Vim is my preferred text editor when I program, and thus I always run into a particularly annoying issue. 7 Answers ...
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Reusing output from last command in Bash

Is the output of a Bash command stored in any register? E.g. something similar to $? capturing the output instead of the exit status. ...