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What's the difference between lists and tuples?

What's the difference? 20 Answers 20 ...
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What is the best way to tell if a character is a letter or number in Java without using regexes?

What is the best and/or easiest way to recognize if a string.charAt(index) is an A-z letter or a number in Java without using regular expressions? Thanks. ...
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How to convert string representation of list to a list?

I was wondering what the simplest way is to convert a string list like the following to a list : 15 Answers ...
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Are Javascript arrays sparse?

That is, if I use the current time as an index into the array: 7 Answers 7 ...
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Virtual member call in a constructor

I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor. 18 Answers ...
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Why do we need private subnet in VPC?

There are 4 scenarios in AWS VPC configure. But let's look at these two: 4 Answers 4...
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How are the points in CSS specificity calculated

Researching specificity I stumbled upon this blog - http://www.htmldog.com/guides/cssadvanced/specificity/ 7 Answers ...
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What is recursion and when should I use it?

One of the topics that seems to come up regularly on mailing lists and online discussions is the merits (or lack thereof) of doing a Computer Science Degree. An argument that seems to come up time and again for the negative party is that they have been coding for some number of years and they have n...
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Calling parent class __init__ with multiple inheritance, what's the right way?

Say I have a multiple inheritance scenario: 9 Answers 9 ...
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RegEx for Javascript to allow only alphanumeric

I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both. ...