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A monad is just a monoid in the category of endofunctors, what's the problem?
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That particular phrasing is by James Iry, from his highly entertaining Brief, Incomplete and Mostly Wrong History of Programming Languages, in which he fictionally attributes it to Philip Wadler.
The original quote is from Saunders Mac Lane in Categories for the Work...
'POCO' definition
...nguages or technologies.
TO CLARIFY: In other words, they don’t derive from
some special base class, nor do they return any special types for their properties.
See below for an example of each.
Example of a POCO:
public class Person
{
public string Name { get; set; }
public int Age ...
How to get string objects instead of Unicode from JSON?
I'm using Python 2 to parse JSON from ASCII encoded text files.
21 Answers
21
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What is a columnar database?
...layer to access the columnar data in an easy fashion).
How do they differ from relational databases?
They generally differ from traditional (row-oriented) databases with regards to ...
performance...
storage requirements ...
ease of modification of the schema ...
...in specific use cases of DBM...
Returning JSON from a PHP Script
I want to return JSON from a PHP script.
18 Answers
18
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What is boilerplate code?
...t ought to be much simpler.
It's a subjective definition.
The term comes from "boilerplate" in the newspaper industry: wiki
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How to upgrade Git on Windows to the latest version?
I just upgraded to Git 1.8.0.1 for Windows, from my previous version 1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
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How to remove unreferenced blobs from my git repo
...pert on git and don't know exactly what all these things do. I found them from manpages, and grepping .git for commit refs.
– Sam Watkins
Jan 20 '14 at 5:23
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Why are iframes considered dangerous and a security risk?
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As soon as you're displaying content from another domain, you're basically trusting that domain not to serve-up malware.
There's nothing wrong with iframes per se. If you control the content of the iframe, they're perfectly safe.
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Purpose of memory alignment
...ers in one transaction.
Say you had a packed version of the struct, maybe from the network where it was packed for transmission efficiency; it might look something like this:
Reading the first byte is going to be the same.
When you ask the processor to give you 16 bits from 0x0005 it will have ...