kjo

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How to add an empty column to a dataframe?

python pandas asked May 1, 2013 at 21:46

stackoverflow.com

431 votes

On "familiarity" (or How to avoid "going down the Math Rabbit Hole"?)

soft-question self-learning asked Dec 24, 2013 at 22:08

math.stackexchange.com

429 votes

What should/shouldn't go in .zshenv, .zshrc, .zlogin, .zprofile, .zlogout?

zsh startup asked Apr 4, 2013 at 23:42

unix.stackexchange.com

289 votes

Can't argue with success? Looking for "bad math" that "gets away with it"

examples-counterexamples big-list asked Dec 17, 2012 at 11:51

math.stackexchange.com

260 votes

How to disable margin-collapsing?

css margin asked Oct 31, 2013 at 23:53

stackoverflow.com

186 votes

How to create a new (and empty!) "root" branch?

git asked Feb 22, 2013 at 22:37

stackoverflow.com

174 votes

When is double-quoting necessary?

bash shell shell-script zsh quoting asked Mar 21, 2013 at 14:37

unix.stackexchange.com

89 votes

Idiom for "repeat n times"?

javascript asked Aug 28, 2013 at 23:27

stackoverflow.com

78 votes

How to create an object from an Array of key-value pairs?

javascript asked Nov 18, 2013 at 23:13

stackoverflow.com

74 votes

How portable are /dev/stdin, /dev/stdout and /dev/stderr?

io posix file-descriptors portability asked Apr 13, 2012 at 22:49

unix.stackexchange.com

Top Answers

How to roll back Git repo to first commit and delete all history

stackoverflow.com

How can a shell function know if it is running within a virtualenv?

stackoverflow.com

How do I merge two dictionaries in a single expression in Python?

stackoverflow.com

How: 2D scatterplots with quantitative density-dependent coloring

mathematica.stackexchange.com

How do I pop git stash without triggering an auto-merge?

stackoverflow.com

Is every projection continuous?

math.stackexchange.com

Prove that $\gcd(M, N)\cdot \mbox{lcm}(M, N) = M \cdot N$.

math.stackexchange.com

What is a "brush"?

stackoverflow.com

Python practices: arguments passed by "reference"

stackoverflow.com

DNS suddenly broken in Ubuntu VirtualBox

askubuntu.com

What is the difference between "low-hanging fruit" and "firing fish in a barrel"?

english.stackexchange.com

$X/{\sim}$ is Hausdorff if and only if $\sim$ is closed in $X \times X$

math.stackexchange.com

Error in book's definition of open sets in terms of neighborhoods?

math.stackexchange.com

A Young Math Enthusiast's Fear

math.stackexchange.com

What are some good books about Wittgenstein's philosophy of language?

philosophy.stackexchange.com

Does philosophy have a dark side?

philosophy.stackexchange.com

Which educative video series helps me in learning German?

german.stackexchange.com

What are the most common pitfalls awaiting new users?

mathematica.stackexchange.com

How to install numpy in a virtualenv on Debian?

stackoverflow.com

Karatsuba algorithm too much recursion

stackoverflow.com

Basic Git without the porcelain?

stackoverflow.com

How to get a human-readable dump of .git/index?

stackoverflow.com

Iterator that supports pushback

stackoverflow.com