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Given an array of numbers, return array of products of all other numbers (no division)
I was asked this question in a job interview, and I'd like to know how others would solve it. I'm most comfortable with Java, but solutions in other languages are welcome.
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Check if at least two out of three booleans are true
An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of the three are true.
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Fixing JavaScript Array functions in Internet Explorer (indexOf, forEach, etc.) [closed]
As detailed elsewhere , and otherwise apparently well-known, Internet Explorer (definitely version 7, and in some instances, version 8) do not implement key functions, in particular on Array (such as forEach , indexOf , etc).
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How to use php serialize() and unserialize()
My problem is very basic.
10 Answers
10
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Undefined behavior and sequence points
What are "sequence points"?
5 Answers
5
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What is the “right” way to iterate through an array in Ruby?
PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
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Speed up the loop operation in R
I have a big performance problem in R. I wrote a function that iterates over a data.frame object. It simply adds a new column to a data.frame and accumulates something. (simple operation). The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the...
Sort an array in Java
I'm trying to make a program that consists of an array of 10 integers which all has a random value, so far so good.
17 Answ...
Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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Are static class variables possible in Python?
Is it possible to have static class variables or methods in Python? What syntax is required to do this?
21 Answers
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