Curious2learn

Curious2learn has asked 51 questions and find answers to 6 problems.

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Curious2learn questions

specifying conditions as a variable to subset a data frame in R
add multiple columns to an sqlite database in python
backup mysql database on pythonanywhere
Check whether a row with values belongs to a data frame in R [duplicate]
Shallow copy, why does the list not change
python map vs itertools.map: Make the iterator version behave like the former
Python code formatting
Using genfromtxt to import csv data with missing values in numpy
Select elements from a numpy array based on values in another array that is not an index array
Help understand the error in a function I defined in R

Curious2learn answers

Appending data in R
D3 : can't call svg.selectAll("text") twice on a same SVG object
Converting a 2D numpy array to a structured array
Raphael.js - Using fill attribute for a circle, makes the element in the circle disappear. How to avoid that?