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Case objects vs Enumerations in Scala
...eral that enumerations are a bit clumsy in Scala and have the feel of an awkward add-on, so I now tend to use case objects. A case object is more flexible than an enum:
sealed trait Currency { def name: String }
case object EUR extends Currency { val name = "EUR" } //etc.
case class UnknownCurrency...
Checking if form has been submitted - PHP
What is the best way of checking whether or not a form has been submitted to determine whether I should pass the form's variables to my validation class?
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prevent refresh of page when button inside form clicked
... will fix it.
<form method="POST">
<button name="data" onclick="return getData()">Click</button>
</form>
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What is the standard Python docstring format? [closed]
...the main used formats for docstrings.
- Epytext
Historically a javadoc like style was prevalent, so it was taken as a base for Epydoc (with the called Epytext format) to generate documentation.
Example:
"""
This is a javadoc style.
@param param1: this is a first param
@param param2: this is a s...
Rails where condition using NOT NIL
...s.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that I can use existing scopes more easily.
Foo.includes(:bar).merge(Bar.where.not(id: nil))
Also, since includes does not always choose a join strategy, you s...
How to get the seconds since epoch from the time + date output of gmtime()?
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Is there an advantage to use a Synchronized Method instead of a Synchronized Block?
...any one tell me the advantage of synchronized method over synchronized block with an example?
23 Answers
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JPA CascadeType.ALL does not delete orphans
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community wiki
5 revs, 3 users 83%Varun Mehta
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How to run Nginx within a Docker container without halting?
I have Nginx installed on a Docker container, and am trying to run it like this:
9 Answers
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How to use RSpec's should_raise with any kind of exception?
I'd like to do something like this:
5 Answers
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