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How to sort with a lambda?
I'd like to use a lambda function to sort custom classes in place of binding an instance method. However, the code above yields the error:
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
How to print matched regex pattern using awk?
Using awk , I need to find a word in a file that matches a regex pattern.
8 Answers
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Will strlen be calculated multiple times if used in a loop condition?
I'm not sure if the following code can cause redundant calculations, or is it compiler-specific?
18 Answers
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Write a function that returns the longest palindrome in a given string
I thought of a solution but it runs in O(n^2) time
22 Answers
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Bash tool to get nth line from a file
Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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Append TimeStamp to a File Name
I have come across this problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.')...
Why is \r a newline for Vim?
From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this
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Download a specific tag with Git
I'm trying to figure out how I can download a particular tag of a Git repository - it's one version behind the current version.
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Calling shell functions with xargs
I am trying to use xargs to call a more complex function in parallel.
5 Answers
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