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What is the point of “final class” in Java?
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First of all, I recommend this article: Java: When to create a final class
If they do, when do they use it so I can understand it better and know when to use it.
A final class is simply a class that can't be extended.
(It does not mean that all references to objects ...
Installing Python 3 on RHEL
I'm trying to install python3 on RHEL using the following steps:
19 Answers
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When is it better to use String.Format vs string concatenation?
I've got a small piece of code that is parsing an index value to determine a cell input into Excel. It's got me thinking...
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Using sed to mass rename files
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First, I should say that the easiest way to do this is to use the
prename or rename commands.
On Ubuntu, OSX (Homebrew package rename, MacPorts package p5-file-rename), or other systems with perl rename (prename):
rename s/0000/000/ F0000*
or on systems with ren...
Map vs Object in JavaScript
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According to mozilla:
A Map object can iterate its elements in insertion order - a for..of loop will return an array of [key, value] for each iteration.
and
Objects are similar to Maps in that both let you set keys to values,...
Visual Studio keyboard shortcut to automatically add the needed 'using' statement
What is the keyboard shortcut to expand the little red line that gives you the menu where you can choose to have the necessary using statement added to the top of the file?
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How can I wait In Node.js (JavaScript)? l need to pause for a period of time
I'm developing a console script for personal needs. I need to be able to pause for an extended amount of time, but, from my research, Node.js has no way to stop as required. It’s getting hard to read users’ information after a period of time... I’ve seen some code out there, but I believe they...
How to add custom validation to an AngularJS form?
...p by adding the required attributes and such. But for some fields I need to do some extra validation. How would I "tap in" to the validation that FormController controls?
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How do you crash a JVM?
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The closest thing to a single "answer" is System.exit() which terminates the JVM immediately without proper cleanup. But apart from that, native code and resource exhaustion are the most likely answers. Alternatively you can go looking on Sun'...
Create RegExps on the fly using string variables
Say I wanted to make the following re-usable:
6 Answers
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