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Why would an Enum implement an Interface?
...e.g. colours). They can represent more complex objects with functionality, and so you're then likely to want to add further functionality to these - e.g. you may have interfaces such as Printable, Reportable etc. and components that support these.
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How to effectively work with multiple files in Vim
I've started using Vim to develop Perl scripts and am starting to find it very powerful.
28 Answers
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What's wrong with Java Date & Time API? [closed]
Very often I come across negative feedback on Java Date and other date-time-related classes. Being a .NET developer, I cannot fully (without having used them) understand, what's actually wrong with them.
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Different between parseInt() and valueOf() in java?
...ger.valueOf(Integer.parseInt("123"))
Now, if what you want is the object and not the primitive, then using valueOf(String) may be more attractive than making a new object out of parseInt(String) because the former is consistently present across Integer, Long, Double, etc.
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Map function in MATLAB?
...live without. Is there a better version out there? Is there a somewhat-standard functional programming library for MATLAB out there that I'm missing?
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Is there a fixed sized queue which removes excessive elements?
I need a queue with a fixed size. When I add an element and the queue is full, it should automatically remove the oldest element.
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How to split long commands over multiple lines in PowerShell
How do you take a command like the following in PowerShell and split it across multiple lines?
8 Answers
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How to print a dictionary's key?
...You have the keys() method, which gives you a python list of all the keys, and you have the iteritems() method, which returns key-value pairs, so
for key, value in mydic.iteritems() :
print key, value
Python 3 version:
for key, value in mydic.items() :
print (key, value)
So you have a ...
Set size on background image with CSS?
...ired result if you need the image to be background for some other content (and it will not repeat itself like you seems to want)...
CSS3 unleash the powers
This is possible to do in CSS3 with background-size.
All modern browsers support this, so unless you need to support old browsers, this is the w...
Generator Expressions vs. List Comprehension
When should you use generator expressions and when should you use list comprehensions in Python?
9 Answers
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