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Rails Object to hash
...tive => true
}
To go a bit further, you could override that method in order to customize the way your attributes appear, by doing something like this :
class Post < ActiveRecord::Base
def as_json(*args)
{
:name => "My name is '#{self.name}'",
:post_number => "Post ##...
Best explanation for languages without null
...ut I appreciate that you are just using a simplified model of the world in order to communicate gratitude, so I won't quibble more about the flawed assumptions of your world-model. :P (So much complexity in the real world! :) )
– Brian
Oct 22 '10 at 17:07
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How should I store GUID in MySQL tables?
...erred flavour
To follow the code better, take the example given the digit-ordered GUID below. (Illegal characters are used for illustrative purposes - each place a unique character.) The functions will transform the byte ordering to achieve a bit order for superior index clustering. The reordered g...
Finding local IP addresses using Python's stdlib
...s won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your machine needs a resolvable hostname.
sha...
Working with time DURATION, not time of day
... The problem is I don't want a formula. I can calculate the days hours etc and produce a "string" value, but that is what it is. A string value. I want the underlying cell value to be a decimal number and only display it as days:hours:mins. I need a display format string but not a formula.
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How do malloc() and free() work?
...ust add it to a free list that calloc() and malloc() will consult later in order to reuse the released blocks.
Even if a free() wanted to return memory to the system, it would need at least one contiguous memory page in order to get the kernel to actually protect the region, so releasing a small bl...
Why must jUnit's fixtureSetup be static?
... it easier to write tests without side-effects. Good tests do not have any order-of-run dependencies (see F.I.R.S.T) and creating fresh instances of the test class and its instance variables for each test is crucial in achieving this. Some testing frameworks reuse the same test class instance for al...
What is the difference between Cloud, Grid and Cluster? [closed]
...other question , can I call Dropbox, Gmail, Facebook, Youtube, Rapidshare etc. a Cloud?
6 Answers
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Formatting numbers (decimal places, thousands separators, etc) with CSS
...with CSS?
That is: decimal places, decimal separator, thousands separator, etc.
10 Answers
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What is the Scala identifier “implicitly”?
...class pattern. The standard library uses this in a few places -- see scala.Ordering and how it is used in SeqLike#sorted. Implicit Parameters are also used to pass Array manifests, and CanBuildFrom instances.
Scala 2.8 allows a shorthand syntax for implicit parameters, called Context Bounds. Briefl...