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What does the “@” symbol mean in reference to lists in Haskell?
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I want to add that @ works at all levels, meaning you can do this:
let a @ (b @ (Just c), Just d) = (Just 1, Just 2) in (a, b, c, d)
Which will then produce this: ((Just 1, Just 2), Just 1, 1, 2)
So basically it's a way for you to bind a pattern to a value. This al...
Cannot set some HTTP headers when using System.Net.WebRequest
When I try to add a HTTP header key/value pair on a WebRequest object, I get the following exception:
11 Answers
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How can I push a specific commit to a remote, and not previous commits?
I have made several commits on different files, but so far I would like to push to my remote repository only a specific commit.
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How to dump a table to console?
I'm having trouble displaying the contents of a table which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDicti...
What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
ANN (Artificial Neural Networks) and SVM (Support Vector Machines) are two popular strategies for supervised machine learning and classification. It's not often clear which method is better for a particular project, and I'm certain the answer is always "it depends." Often, a combination of both alon...
How to sparsely checkout only one single file from a git repository?
... show branch:path/to/file >file
Or you must clone first the repo, meaning you get the full history:
- in the .git repo
- in the working tree.
But then you can do a sparse checkout (if you are using Git1.7+),:
enable the sparse checkout option (git config core.sparsecheckout true)
addi...
What is CMake equivalent of 'configure --prefix=DIR && make all install '?
I do cmake . && make all install . This works, but installs to /usr/local .
7 Answers
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How to append to New Line in Node.js
I'm trying to Append data to a Log file using Node.js and that is working fine but it is not going to the next line. \n doesn't seem to be working in my function below. Any suggestions?
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How to start an application without waiting in a batch file?
Is there any way to execute an application without waiting in batch file? I have tried the start command but it just creates a new command window.
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What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
When would I use std::istringstream , std::ostringstream and std::stringstream and why shouldn't I just use std::stringstream in every scenario (are there any runtime performance issues?).
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