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Rails Object to hash
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If you are looking for only attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Is it valid to have a tag inside another tag?
... sectioning content, instead of relying on the implicit sections generated by having multiple headings in one element of sectioning content and nested <section>'s are allowed.
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Test for equality among all elements of a single vector
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I use this method, which compares the min and the max, after dividing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.equal(x[1], x[2], tolerance = ...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...r< can be quite cumbersome, I thought of circumventing this whole mess by just relying on the operations defined for tuple :
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“Delegate subtraction has unpredictable result” in ReSharper/C#?
...walk next to the pit where there is a chance you may miss it is considered by some to be jarring and warrants a sign saying PIT OF SUCCESS IS THAT WAY --->.
– Allon Guralnek
Jun 24 '12 at 20:01
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Literal suffix for byte in .NET?
I am wondering if there is any way to declare a byte variable in a short way like floats or doubles? I mean like 5f and 5d . Sure I could write byte x = 5 , but that's a bit inconsequential if you use var for local variables.
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Maximum and Minimum values for ints
...lable in Python 3 as sys.maxsize, which is the maximum value representable by a signed word. Equivalently, it's the size of the largest possible list or in-memory sequence.
Generally, the maximum value representable by an unsigned word will be sys.maxsize * 2 + 1, and the number of bits in a word w...
How do I restart nginx only after the configuration test was successful on Ubuntu?
...ually restart if the configuration is bad.
The only way to screw it up is by doing an nginx stop and then start again. It would succeed to stop, but fail to start.
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AngularJS - How can I do a redirect with a full page load?
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After searching and giving hit and trial session I am able to solove it by first specifying url like
$window.location.href = '/#/home/stats';
then reload
$window.location.reload();
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Difference between document.addEventListener and window.addEventListener?
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The window binding refers to a built-in object provided by the browser. It represents the browser window that contains the document. Calling its addEventListener method registers the second argument (callback function) to be called whenever the event described by its first argumen...