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Object of custom type as dictionary key
...custom type as keys in a Python dictionary (where I don't want the "object id" to act as the key) , e.g.
3 Answers
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Saving enum from select in Rails 4.1
...gt; Wine.colors.keys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option>
<option value="sparkling">sparkling<...
Type-juggling and (strict) greater/lesser-than comparisons in PHP
...dentical comparison operators (>== or <==) in PHP (by PHP 5.6.14 at least), but there are a few ways to enforce a strict type check before checking Greater/Lower:
Check both variable types with if (gettype($a) === gettype($b))
Force your needed type-cast eg. if ((string)$a === (string)$b)
F...
Understanding :source option of has_one/has_many through of Rails
...s_to :user
end
With this code, you can do something like Newsletter.find(id).users to get a list of the newsletter's subscribers. But if you want to be clearer and be able to type Newsletter.find(id).subscribers instead, you must change the Newsletter class to this:
class Newsletter
has_many :s...
How to query nested objects?
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Answering my own comment, it's best to avoid using dots completely in your keys. In my solution I completely ditched the domains being keys, and created a slice/array instead.
– Rens Tillmann
Jun 11 at 19:16
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How to hide element using Twitter Bootstrap and show it using jQuery?
...p 4.x
Bootstrap 4.x uses the new .d-none class. Instead of using either .hidden, or .hide if you're using Bootstrap 4.x use .d-none.
<div id="myId" class="d-none">Foobar</div>
To show it: $("#myId").removeClass('d-none');
To hide it: $("#myId").addClass('d-none');
To toggle it: $("#...
How to handle code when app is killed by swiping in android?
...r listeners, how can i do that? I read quite a few articles and blogs but didn't get any useful information and I haven't found any documentation about it.
Any help would be appreciated.
Thanks in advance.
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Custom checkbox image android
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Thanks, I actually found exactly what I needed here it-ride.blogspot.com/2010/04/… but I would have had to do it your way if I wanted a real custom image =P
– Falmarri
Oct 19 '10 at 6:44
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How to check if an NSDictionary or NSMutableDictionary contains a key?
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@fyodor an nsdictionay will throw an NSInvalidArgumentException if you attempt to insert a nil value, so there should never be a case where a key exists, but the corresponding value is nil.
– Brad The App Guy
May 6 '10 at 22:50
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How do I add a Maven dependency in Eclipse?
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Damn, I miss <insert-name-of-previously-considered-to-be-worst-package-manager-ever-here>
– Mark K Cowan
Nov 8 '16 at 21:03
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