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Haskell Type vs Data Constructor
...ere a value is expected.
Data constructors
To make things simple, we can start with an example of a type that represents a colour.
data Colour = Red | Green | Blue
Here, we have three data constructors. Colour is a type, and Green is a constructor that contains a value of type Colour. Similarly...
How to draw an empty plot?
... coordinate system, so you need plot.new() and plot.window(), then you can start to add graph elements:
plot.new( )
plot.window( xlim=c(-5,5), ylim=c(-5,5) )
points( rnorm(100), rnorm(100) )
axis( side=1 )
example plot
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Big O, how do you calculate/approximate it?
...ting the number of steps. And by definition, every summation should always start at one, and end at a number bigger-or-equal than one.
f(N) = Summation(i from 1 to N)( Summation(j = 1 to (N - (i - 1) * 2)( C ) )
(We are assuming that foo() is O(1) and takes C steps.)
We have a problem here: when...
display:inline vs display:block [duplicate]
... of the screen
span default styling is display:inline block :span does not start on a new line and only takes up as much width as necessary
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How is the 'use strict' statement interpreted in Node.js? [duplicate]
I have started to explore the Node.js and wrote many demo web application, to understand the flow of Node.js, Express.js, jade, etc..
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How do you input commandline argument in IntelliJ IDEA?
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Same thing but start with CTRL+ALT+D for debug configuration on OS X 10.5+ schema.
– michaelsnowden
Jul 18 '16 at 18:16
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Turn off deprecated errors in PHP 5.3
...y WordPress install is spitting these errors out on me, causing my session_start() to break.
9 Answers
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Color text in terminal applications in UNIX [duplicate]
I started to write a terminal text editor, something like the first text editors for UNIX, such as vi. My only goal is to have a good time, but I want to be able to show text in color, so I can have syntax highlighting for editing source code.
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Do sessions really violate RESTfulness?
...ed server cannot take over fulfilling requests based on that key, you have started to really violate the principles of REST. Google's services ensure that, at any time, you can take an authentication token you were using on your phone against load balance server A and hit load balance server B from...
What does “dereferencing” a pointer mean?
...f( "%d\n", *pA ) ; // prints 4..
If the book isn't there, the librarian starts shouting, shuts the library down, and a couple of people are set to investigate the cause of a person going to find a book that isn't there.
s...