sds

sds has asked 100 questions and find answers to 220 problems.

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sds questions

Summarize a data.table with unreliable data
How to find out whether getLogger created a new object?
Reverse a slice of an array in-place [duplicate]
Cannot create an instance of a namedtuple subclass: TypeError: __new__() takes exactly 4 arguments (3 given)
List the "different commits"
Compute correlation of two DataFrames columnwise
Python zip magic for classes instead of tuples
value join is not a member of org.apache.spark.rdd.RDD
Count valid integers in a column of strings
How do I write a method which would work on both lists and arrays?

sds answers

What are the generic functions defined by the standard?
What does the elisp error "Wrong type argument: sequencep, t" mean?
Decimal to Binary in Lisp - make a non-nested list
Emacs Lisp - Should you unset keys before setting them?
Loading Packages in a Progn in Common Lisp
Read from file Common Lisp [duplicate]
Partition the Unit Sphere
Is defun or setf preferred for creating function definitions in common lisp and why?
Collecting the time and space results produced by `time` macro?
"value returned is unused" warning when byte-compiling a macro