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What does “coalgebra” mean in the context of programming?
...they make everything look cooler!)
An algebra, then, is just a type τ with some functions and identities. These functions take differing numbers of arguments of type τ and produce a τ: uncurried, they all look like (τ, τ,…, τ) → τ. They can also have "identities"—elements of τ that ha...
When do Java generics require
Given the following example (using JUnit with Hamcrest matchers):
7 Answers
7
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How to swap two variables in JavaScript
...follow
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edited Jul 19 '19 at 5:13
answered Apr 24 '13 at 20:39
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C# DLL config file
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It is not trivial to create a .NET configuration file for a .DLL, and for good reason. The .NET configuration mechanism has a lot of features built into it to facilitate easy upgrading/updating of the app, and to protect ins...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
What are the relative merits / downsides of various Python bundles (EPD / Anaconda) vs. a manual install?
4 Answers
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Strengths of Shell Scripting compared to Python [closed]
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Shell scripting has simpler notations for I/O redirection.
It is simpler to create pipelines out of existing programs in shell.
Shell scripting reuses entire programs.
Shell is universally available (on anything like Unix) - Python is not necessarily installed.
'Tis true that you c...
Visual Studio “Could not copy” … during build
...lar error messages in Visual Studio 2013.
Mostly, I have found that this situation has occurred when a debug process was halted because of an exception.
When clean+build has not resolved this problem for me, I have had success by doing the following:
Closing Visual Studio
Deleting the bin and ob...
What is the difference between NULL, '\0' and 0?
...pplies to the C language, not C++.
Null Pointers
The integer constant literal 0 has different meanings depending upon the context in which it's used. In all cases, it is still an integer constant with the value 0, it is just described in different ways.
If a pointer is being compared to the con...
How can I find the location of origin/master in git, and how do I change it?
I'm a Git newbie. I recently moved a Rails project from Subversion to Git. I followed the tutorial here: http://www.simplisticcomplexity.com/2008/03/05/cleanly-migrate-your-subversion-repository-to-a-git-repository/
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When to Redis? When to MongoDB? [closed]
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I would say, it depends on kind of dev team you are and your application needs.
For example, if you require a lot of querying, that mostly means it would be more work for your developers to use Redis, where your data might be stored in v...