gt6989b

Passaic, NJ, United States

http://www.linkedin.com/in/gt6989b

Mathematician and programmer interested in helping others.

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Construct pandas DataFrame from list of tuples of (row,col,values)

python python-2.7 pandas pivot asked Nov 13, 2013 at 18:24

stackoverflow.com

66 votes

How to subtract years?

r date date-arithmetic r-faq asked Jul 22, 2010 at 20:08

stackoverflow.com

38 votes

Quickest way to determine a polynomial with positive integer coefficients

polynomials algorithms asked Jul 17, 2013 at 21:51

math.stackexchange.com

25 votes

create SQL Server table based on a user defined type

sql sql-server create-table asked Mar 13, 2014 at 20:37

stackoverflow.com

12 votes

References for learning Aggada

talmud-gemara torah-study midrash agada-stories-legends asked Apr 30, 2013 at 19:48

judaism.stackexchange.com

11 votes

How to allow to execute stored procedures but not writes?

sql-server sql-server-2008 sql-server-2012 permissions asked Dec 8, 2014 at 19:14

dba.stackexchange.com

10 votes

Shehecheyanu on sefiras haomer

halacha blessing sefirat-ha-omer shehecheyanu asked Mar 31, 2013 at 21:09

judaism.stackexchange.com

10 votes

How to pass an environment variable as a command line parameter in Run/Debug configuration in PyCharm?

python pycharm environment-variables asked May 14, 2014 at 19:28

stackoverflow.com

9 votes

Calling Hoshea 'Yehoshua' before his seeming renaming

parshanut-torah-comment names moshe-rabbeinu parashat-shelach meraglim-spies asked Jun 5, 2013 at 4:30

judaism.stackexchange.com

8 votes

pyodbc does not throw on SQL Server error

python sql-server pyodbc asked Dec 10, 2013 at 20:16

stackoverflow.com

Top Answers

What is the difference between codomain and range?

math.stackexchange.com

How can I log the output of the mv command in Linux?

superuser.com

LaTeX/TeX Vs. Mathematica for Typesetting

math.stackexchange.com

Factoring the quintic polynomial $x^5+4x^3+x^2+4=0$

math.stackexchange.com

Would anybody be able to point me in the direction of legitimate Jewish meditation practices?

judaism.stackexchange.com

Prove that $2018^{2019}> 2019^{2018}$ without induction, without Newton's binomial formula and without Calculus.

math.stackexchange.com

When did Leah die?

judaism.stackexchange.com

What does strength refer to in mathematics?

math.stackexchange.com

Can an indefinite integral have multiple answers? (Besides the ' + C')

math.stackexchange.com

Adding Absolute value to a complex number: $ z+| z|=2+8i$

math.stackexchange.com

Python startup script

stackoverflow.com

Characteristic functions of Poisson and normal distribution

math.stackexchange.com

store command before pressing ctrl+c, revive afterwards

unix.stackexchange.com

find all the values of a and b so that the system has a) no solution b) 1 solution c) exactly 3 solutions and 4) infinitely many solutions

math.stackexchange.com

Why do I find that $\pi = 0$?

math.stackexchange.com

Converting numpy dtypes to native python types

stackoverflow.com

Showing that $a = 2^{1264504 }- 1$ is not prime

math.stackexchange.com

Convergence or divergence of a series given divergent series

math.stackexchange.com

Way to compare three numbers with an algorithm.

math.stackexchange.com

What does "$\mathbb{1}$" mean in this document?

math.stackexchange.com

Can I apply L'Hôpital to $\lim_{x \to \infty} \frac{x+\ln x}{x-\ln x}$?

math.stackexchange.com

Linear Transformation

math.stackexchange.com

Multiplying two summations together exactly.

math.stackexchange.com

2021 AMC 10 A Problem #22

math.stackexchange.com

Prove that $9\mid (4^n+15n-1)$ for all $n\in\mathbb N$

math.stackexchange.com

How were the Jews able to eat Haman?

judaism.stackexchange.com

Intrinsic reasons for being observant

judaism.stackexchange.com

$33=\left\{a^3+b^3+c^3 \mid (a, b, c) \in \mathbb{Z}\right\}$

math.stackexchange.com

Using grep command and backreferencing

unix.stackexchange.com

The notion of "infinitely differentiable"

math.stackexchange.com