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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 Jam>me m>s 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...
Is there ever a tim>me m> where using a database 1:1 relationship makes sense?
I was thinking the other day on normalization, and it occurred to m>me m>, I cannot think of a tim>me m> where there should be a 1:1 relationship in a database.
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How can I check that a form field is prefilled correctly using capybara?
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You can use an xpath query to check if there's an input elem>me m>nt with a particular value (e.g. 'John'):
expect(page).to have_xpath("//input[@value='John']")
See http://www.w3schools.com/xpath/xpath_syntax.asp for more info.
For perhaps a prettier way:
expect(find_field('Your nam>me m>...
Segm>me m>ntation fault on large array sizes
The following code gives m>me m> a segm>me m>ntation fault when run on a 2Gb machine, but works on a 4GB machine.
5 Answers
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Why are my basic Heroku apps taking two seconds to load?
...f your application is unused for a while it gets unloaded (from the server m>me m>mory).
On the first hit it gets loaded and stays loaded until som>me m> tim>me m> passes without anyone accessing it.
This is done to save server resources. If no one uses your app why keep resources busy and not let som>me m>one who...
Ignore mouse interaction on overlay image
I have a m>me m>nu bar with hover effects, and now I want to place a transparent image with a circle and a "handdrawn" text over one of the m>me m>nu items. If I use absolute positioning to place the overlay image above the m>me m>nu item, the user will not be able to click the button and the hover effect will not...
warning: refnam>me m> 'HEAD' is ambiguous
...nch called HEAD which is absolutely dangerous, since that's the symbolic nam>me m> for whatever branch is the current branch.
Renam>me m> it:
git branch -m HEAD newbranch
then you can examine it and decide what to do (delete it, or save under a descriptive branch nam>me m>)
(The origin/HEAD remote branch is n...
Mockito: Stubbing m>Me m>thods That Return Type With Bounded Wild-Cards
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You can also use the non-type safe m>me m>thod doReturn for this purpose,
@Test
public void testMockitoWithGenerics()
{
DummyClass dummyClass = Mockito.mock(DummyClass.class);
List<? extends Number> som>me m>List = new ArrayList<Integer>();
Moc...
Facebook Graph API v2.0+ - /m>me m>/friends returns empty, or only friends who also use my application
I am trying to get my friend nam>me m> and ids with Graph API v2.0, but data returns empty:
7 Answers
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How to integrate nodeJS + Socket.IO and PHP?
... Moreover, you may need it only for one module of your project, like realtim>me m> notifications, chat, ... And you want to manage all the other stuff with PHP, because it is probably more easy for you (and you can take advantage of the existing fram>me m>works, like CodeIgniter or Symfony).
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