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What is “lifting” in Haskell?
...rn than a mathematical concept (although I expect someone around here will now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take nu...
How to change the URI (URL) for a remote Git repository?
...pull origin; git push origin; gitx) everything seems in order. And yes, I know it is bad form to mess with git internals.
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Error 1022 - Can't write; duplicate key in table
...out this sort of thing when I opened the project.
– SnowInferno
Oct 1 '14 at 0:17
Thank you, mate :) That helps me a l...
Prevent jQuery UI dialog from setting focus to first textbox
... ui-helper-hidden-accessible to make it hidden by absolute positioning. I know you have that class because you are using dialog from jquery-ui and it's in jquery-ui.
<span class="ui-helper-hidden-accessible"><input type="text"/></span>
...
How do you mock out the file system in C# for unit testing?
...dly posted it online here.
I've used this approach to mock out DateTime.UtcNow in an IClock
interface (really really useful for our testing to be able to control
the flow of time!), and more traditionally, an ISqlDataAccess
interface.
Another approach might be to use TypeMock, this allows you to
int...
How to show Page Loading div until the page has finished loading?
...at;
background-attachment: fixed;
background-position: center;
}
Now we need to create our div with this class which cover entire page as an overlay whenever the page is getting loaded
<div id="coverScreen" class="LockOn">
</div>
Now we need to hide this cover screen whenev...
How to redirect 404 errors to a page in ExpressJS?
I don't know a function for doing this, does anyone know of one?
22 Answers
22
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Get and Set a Single Cookie with Node.js HTTP Server
... with the suggestion of using Express's cookie parser. But, that answer is now 3 years old and is out of date.
Using Express, you can read a cookie as follows
var express = require('express');
var cookieParser = require('cookie-parser');
var app = express();
app.use(cookieParser());
app.get('/my...
Export CSS changes from inspector (webkit, firebug, etc)
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This project is now abandoned. It's a shame :-(
– Damon Hill
Jul 12 at 11:36
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Does ARC support dispatch queues?
...he short answer: YES, ARC retains and releases dispatch queues.
And now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6...