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Why are variables “i” and “j” used for counters?
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It comes ultimately from mathematics: the summation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation):
It's also used that way for collections of things,...
SQL Server 2008 Windows Auth Login Error: The login is from an untrusted domain
...unning the sql server instance on my local box and attempting to access it from the same machine.
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What is external linkage and internal linkage?
..., etc) your compiler generates a translation unit. This is the source file from your implementation plus all the headers you #included in it.
Internal linkage refers to everything only in scope of a translation unit.
External linkage refers to things that exist beyond a particular translation uni...
AngularJS UI Router - change url without reloading state
... gets initialized again. I get the same problem with the accepted solution from wiherek. See also here github.com/angular-ui/ui-router/issues/64
– martinoss
Dec 28 '14 at 13:25
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Android Studio Stuck at Gradle Download on create new project
...gradle Android Studio requires (e.g. gradle-1.8-bin)
Download this version from internet (e.g. gradle-1.8-bin.zip).
Goto C:\Users\{Logged in User}\.gradle\wrapper\dists\gradle-1.8-bin
There is a folder here that its name is like a GUID.
You should just copy the zip file that you've already downloade...
How do I remove an item from a stl vector with a certain value?
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std::remove does not actually erase the element from the container, but it does return the new end iterator which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// ....
What are free monads?
...if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an operation (you can think of addition) and some identity (like zero).
So
class Mono...
How do I search for an object by its ObjectId in the mongo console?
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import { ObjectId } from "mongodb"; works for fancier JS.
– NetOperator Wibby
Dec 3 '18 at 5:09
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Why is jquery's .ajax() method not sending my session cookie?
...cript.
This may be a Cross Domain Problem.
Maybe you tried to call a url from www.domain-a.com while your calling script was on www.domain-b.com (In other words: You made a Cross Domain Call in which case the browser won't sent any cookies to protect your privacy).
In this case your options are:
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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...