Dan

Boulder, CO

IT jack of all trades.

I specialize in python, C++, and Java. I've done Web Development, Data Engineering, HPC, and a ton of other things.

top accounts reputation activity subscriptions

How do I grep for multiple patterns with pattern having a pipe character?

shell grep regular-expression quoting asked Apr 26, 2012 at 1:03

unix.stackexchange.com

69 votes

Shoe-themed race or class features

pathfinder character-creation character-development shoes asked Dec 15, 2014 at 6:00

rpg.stackexchange.com

55 votes

How can I diff a single file with magit?

emacs git-diff magit asked Jul 22, 2013 at 21:53

stackoverflow.com

55 votes

What symmetry causes the Runge-Lenz vector to be conserved?

classical-mechanics orbital-motion noethers-theorem runge-lenz-vector asked Dec 10, 2011 at 3:05

physics.stackexchange.com

46 votes

How can I print out just the index of a pandas dataframe?

python pandas asked May 7, 2015 at 12:41

stackoverflow.com

39 votes

Why is set_xlim() not setting the x-limits in my figure?

python matplotlib asked Jul 18, 2013 at 21:52

stackoverflow.com

31 votes

What is the command for a sum symbol superimposed on an integral sign?

math-mode symbols stacking-symbols asked Aug 23, 2012 at 1:01

tex.stackexchange.com

30 votes

How can I make a "color map" plot in matlab?

matlab plot asked Apr 2, 2013 at 1:05

stackoverflow.com

27 votes

How should I go about picking a functional for DFT calculations?

computational-chemistry theoretical-chemistry density-functional-theory asked Jun 4, 2012 at 20:02

chemistry.stackexchange.com

25 votes

What does "reaction coordinate" mean? What does it mean when a reaction has TWO reaction coordinates?

theoretical-chemistry free-energy reaction-coordinate asked May 19, 2012 at 8:27

chemistry.stackexchange.com

Top Answers

516

Start a background process in Python

stackoverflow.com

Are all electrons identical?

physics.stackexchange.com

Why can't we feel the Earth turning?

physics.stackexchange.com

Does the sun rotate?

physics.stackexchange.com

Quantum mechanics and everyday nature

physics.stackexchange.com

Calling functions on columns of data in Gnuplot

stackoverflow.com

Python sort() by first element of list

stackoverflow.com

When is the Hamiltonian of a system not equal to its total energy?

physics.stackexchange.com

C++ std::vector vs array in the real world

stackoverflow.com

Quantum mechanics - how can the energy be complex?

physics.stackexchange.com

Emacs Auto Load Color Theme by Time

stackoverflow.com

Why is set_xlim() not setting the x-limits in my figure?

stackoverflow.com

How can I increase the number of subdivisions for functions in `scipy.integrate.dblquad`?

stackoverflow.com

Liquid wave faster than sound in the above gas: possibility implications

physics.stackexchange.com

Is negative 20 psi / 1.5 bar possible?

physics.stackexchange.com

Sufficient conditions to ensure convergence of the conjugate gradient method

scicomp.stackexchange.com

Essential background for QFT study

physics.stackexchange.com

Are Electromagnetic Waves The Only Means of Transmitting Information?

physics.stackexchange.com

How to set double precision values in Fortran

scicomp.stackexchange.com

Limitations of Density Functional Theory as a computational method?

scicomp.stackexchange.com

Matplotlib plot numpy matrix as 0 index

stackoverflow.com

What is the purpose of computing the eigenvalue of a PDE problem?

math.stackexchange.com

Does quantum computing rely on particular interpretations of quantum mechanics?

physics.stackexchange.com

Energy is actually the momentum in the direction of time?

physics.stackexchange.com

Merge several eps files into one PDF

unix.stackexchange.com

Scientific Programming on Mac using Objective-C/Cocoa for MATLAB Users

scicomp.stackexchange.com

I died, what can I do until the world ends?

boardgames.stackexchange.com

Is there any open-source or easy-to-access software that can simplify algebraic expressions like $x^{2}+2x+3, x=\sqrt{2}t-1$?

scicomp.stackexchange.com

Which software and workflow is recommend for publication of scientific data and graphs?

scicomp.stackexchange.com

Differences between Gaussian and Slater functions on the quality of the results?

scicomp.stackexchange.com