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When to use static vs instantiated classes
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This is quite an interesting question -- and answers might get interesting too ^^
The simplest way to consider things might be :
use an instanciated class where each object has data on its own (like a user has a name)
use a static class when it's just a tool that...
“Eliminate render-blocking CSS in above-the-fold content”
I've been using Google PageSpeed insights to try and improve my site's performance, and so far it's proven extremely successful. Things like deferring scripts worked beautifully, since I already had an in-house version of jQuery's .ready() to defer scripts until the page had loaded fully, all I ha...
Remove duplicate rows in MySQL
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The aforementioned bug @DarkMantis referred to and it's solution.
– Jordan Arseno
Jan 23 '13 at 20:47
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Enabling HTTPS on express.js
I'm trying to get HTTPS working on express.js for node, and I can't figure it out.
7 Answers
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How can I make an svg scale with its parent container?
...cale when size is non-native. Of course I could have it as a separate file and scale it like that.
7 Answers
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What is a sealed trait?
...only extended in a single file, the compiler knows every possible subtypes and can reason about it.
For instance with the declaration:
sealed trait Answer
case object Yes extends Answer
case object No extends Answer
The compiler will emit a warning if a match is not exhaustive:
scala> val x:...
Interface vs Abstract Class (general OO)
...nterviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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What are the advantages of NumPy over regular Python lists?
... single-precision floats in the cells would fit in 4 MB. Access in reading and writing items is also faster with NumPy.
Maybe you don't care that much for just a million cells, but you definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit build...
One class per file rule in .NET? [closed]
I follow this rule but some of my colleagues disagree with it and argue that if a class is smaller it can be left in the same file with other class(es).
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Load view from an external xib file in storyboard
...ontroller. But how can one load a view from a external xib in a storyboard and is it even possible? If thats not the case, what other alternatives are availble to suit the situation abouve?
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