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Bash empty array expansion with `set -u`
I'm writing a bash script which has set -u , and I have a problem with empty array expansion: bash appears to treat an empty array as an unset variable during expansion:
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What are the most widely used C++ vector/matrix math/linear algebra libraries, and their cost and be
It seems that many projects slowly come upon a need to do matrix math, and fall into the trap of first building some vector classes and slowly adding in functionality until they get caught building a half-assed custom linear algebra library, and depending on it.
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Why is pow(a, d, n) so much faster than a**d % n?
...r-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem:
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How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key.
7 Answers
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how to deal with google map inside of a hidden div (Updated picture)
...a google map is inside a hidden div at first. I then show the div after i click a link but only the top left of the map shows up.
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How to do associative array/hashing in JavaScript
I need to store some statistics using JavaScript in a way like I'd do it in C#:
11 Answers
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What is the difference between a port and a socket?
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Remove rows with all or some NAs (missing values) in data.frame
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Writing data into CSV file in C#
I am trying to write into a csv file row by row using C# language. Here is my function
15 Answers
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Constantly print Subprocess output while process is running
To launch programs from my Python-scripts, I'm using the following method:
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