Mongrav.org Science and Math Simulations

Comparison of source code editors for Mac OS X for Ruby development.

2011-08-06T14:49:00.000-07:00

mongrav.org/programming/source-code-editors.htm
mongrav.org/programming/source-code-editors.xls

This is an August 2011 Excel spreadsheet comparison of nine source code editors for Mac OS X for Ruby (not Rails) development: RubyMine, Komodo Edit, NetBeans, SubEthaEdit, UltraEdit, TextMate, JEdit, TextWrangler, and Apple Xcode. YMMV: I may have missed or misunderstood some capabilities, extensions, or plugins, and your needs may differ from mine.

Survey of web app/server security issues: audit checklists, best practices, standards.

2011-07-23T13:42:00.000-07:00

http://www.mongrav.org/programming/security-of-web-apps-v.1.0.htm

Informal, ad hoc survey of web app/server security issues: audit checklists, best practices, standards, including design, implementation, and security assessment (but not policies so much). (April, 2011)

Use of calculus to determine the volume remaining after drilling a cube in three directions.

2011-06-02T12:35:00.000-07:00

http://www.mongrav.org/math/drill-a-cube-calculus.htm

Take a cube, drill it out in three perpendicular directions: what volume remains? This is a calculation of the volume remaining using calculus.

Demonstration of numerical Monte Carlo integration for drilling a cube in three directions.

2011-06-02T12:30:00.000-07:00

http://www.mongrav.org/math/drill-a-cube.htm

Take a cube, drill it out in three perpendicular directions: what volume remains? This is a demo of a numerical, probabilistic method called Monte Carlo integration.

Demonstration of probability distributions with balls falling through a pin board (bean machine).

2011-05-03T09:15:00.000-07:00

http://www.mongrav.org/math/falling-balls-probability.htm

Intended to be suitable for high school students. Demonstrates bell-shaped curve, mean, and standard deviation. Defines mean and median.

Demo #1 of how MooTools facilitates JavaScript programming in the browser environment: elements and events.

2011-04-28T13:57:00.000-07:00

http://www.mongrav.org/programming/MooTools-Demo-1.htm

Intended for new MooTools programmers or those with a little programming and JavaScript experience curious about the MooTools framework.

JavaScript's 'this' keyword

2011-04-19T13:15:00.000-07:00

http://www.mongrav.org/programming/JavaScript-this-keyword.htm

For JavaScript programmers: a list of the objects that 'this' refers to in different circumstances.

Gravity: how things fall - dropping cannon balls on different planets.

2011-04-08T11:22:00.000-07:00

http://www.mongrav.org/science/gravity-planets.htm

Dynamic demo to develop a feel for gravity and acceleration for high school level and above.

Meditation / autosuggestion / autohypnosis exercise for weightloss or maintenance

2011-03-25T15:07:00.000-07:00

http://www.mongrav.org/wellness/autohypnosis.htm
Also available in Spanish and Portuguese.

Comic strips viewer

2011-03-25T14:58:00.000-07:00

http://www.mongrav.org/entertainment/comics.htm
A web page for viewing favorite web comic strips efficiently with minimal mousing. You can customize the page to your own comic strip preferences and save it for your use.

An easy, visual proof of the Pythagorean theorem

2011-03-25T14:51:00.000-07:00

http://www.mongrav.org/math/PythagoreanTheorem.htm

Biographical books of scientists, mathematicians, and engineers

2011-03-25T14:43:00.000-07:00

http://www.mongrav.org/books/biographies.htm

A catalog of some biographical books of scientists, mathematicians, engineers, industrialists, and military leaders, and histories of some scientific, industrial, or military-industrial projects. Entries are linked to Amazon.