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Interface or an Abstract Class: which one to use?

...{ public function eat() { // peeling // chew } } Now I give you an apple and you eat it. What does it taste like? It tastes like an apple. <?php $apple = new Apple(); $apple->eat(); // Now I give you a fruit. $fruit = new Fruit(); $fruit->eat(); What does that...
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Measure execution time for a Java method [duplicate]

...tTime); In Java 8 (output format is ISO-8601): Instant start = Instant.now(); Thread.sleep(63553); Instant end = Instant.now(); System.out.println(Duration.between(start, end)); // prints PT1M3.553S Guava Stopwatch: Stopwatch stopwatch = Stopwatch.createStarted(); myCall(); stopwatch.stop(); ...
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What is “git remote add …” and “git push origin master”?

...o answer your first question. What is git remote add ... As you probably know, git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which y...
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What methods of ‘clearfix’ can I use?

...z' of CSS Mojo has pointed out that when targeting modern browsers, we can now drop the zoom and ::before property/values and simply use: .container::after { content: ""; display: table; clear: both; } This solution does not support for IE 6/7 …on purpose! Thierry also offers: "A w...
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In Functional Programming, what is a functor?

...ng integers, strings, or Booleans respectively. If the element type is unknown, it is written as a type parameter a, as in T a. Examples include lists (zero or more elements of type a), the Maybe type (zero or one elements of type a), sets of elements of type a, arrays of elements of type a, all k...
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Where to get “UTF-8” string literal in Java?

... Now I use org.apache.commons.lang3.CharEncoding.UTF_8 constant from commons-lang. share | improve this answer | ...
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PowerShell script to return versions of .NET Framework on a machine?

...0 ... EDIT: For .Net 4.5 and up, this changed slightly again, so there's now a nice MSDN article here explaining how to convert the Release value to a .Net version number, it's a total train wreck :-( This looks right to me (note that it outputs separate version numbers for WCF & WPF on 3.0. ...
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URL-parameters and logic in Django class-based views (TemplateView)

...or higher, as pointed out here: Django’s generic class based views now automatically include a view variable in the context. This variable points at your view object. In your views.py: from django.views.generic.base import TemplateView class Yearly(TemplateView): template_name ...
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Private setters in Json.Net

I know there's an attribute to handle private setters but I kind of want this behavior as a default, is there a way to accomplish this? Except tweaking the source. Would be great if there was a setting for this. ...
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Why should text files end with a newline?

...miliar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...