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How to decide when to use Node.js?
...en hearing a lot about how good Node.js is. Considering how much I love working with jQuery and JavaScript in general, I can't help but wonder how to decide when to use Node.js. The web application I have in mind is something like Bitly - takes some content, archives it.
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When is an interface with a default method initialized?
...ke JLS section 12.4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers interface initialization. The example as follows:
interface I {
int i = 1,...
Break parallel.foreach?
How do I break out of an parallel.for loop?
5 Answers
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Is it better to call ToList() or ToArray() in LINQ queries?
... need to iterate over it multiple times and it is expensive to compute. For example:
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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
Looking at a Get-WebFile script over on PoshCode, http://poshcode.org/3226 , I noticed this strange-to-me contraption:
6 A...
What's the difference between String(value) vs value.toString()
...ypes and type conversions so I'm wondering if these 2 methods are the same or if there is some corner case that makes them different?
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What are the advantages of using nullptr?
This piece of code conceptually does the same thing for the three pointers (safe pointer initialization):
7 Answers
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Adding :default => true to boolean in existing Rails column
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change_column is a method of ActiveRecord::Migration, so you can't call it like that in the console.
If you want to add a default value for this column, create a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
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How to do error logging in CodeIgniter (PHP)
I want error logging in PHP CodeIgniter. How do I enable error logging?
5 Answers
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Get value from SimpleXMLElement Object
... then json_decode it you get a nested stdObject to deal with, quite handy for when you're being lazy & working with simple structures :D
– Louis
Sep 20 '13 at 6:59
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