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Inheritance and Overriding __init__ in python
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edited Nov 26 '19 at 19:14
Andrew Palmer
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How to use the “required” attribute with a “radio” input field
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724
TL;DR: Set the required attribute for at least one input of the radio group.
Setting require...
Copy values from one column to another in the same table
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edited Jul 14 '19 at 5:24
community wiki
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What is the _snowman param in Ruby on Rails 3 forms for?
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2 Answers
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Swift - Cast Int into enum:Int
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Use the rawValue initializer: it's an initializer automatically generated for enums.
self.tim...
What's a quick way to test to see a file exists?
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edited May 23 '19 at 0:12
TheNeil
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Why return NotImplemented instead of raising NotImplementedError
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It's because __lt__() and related comparison methods are quite commonly used indirectly in lis...
Toggle button using two image on different state
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Do this:
<ToggleButton
android:id="@+id/toggle"
android:layout_width="wra...
How to read environment variables in Scala
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Since Scala 2.9 you can use sys.env for the same effect:
scala> sys.env("HOME")
res0: Stri...