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val-mutable versus var-immutable in Scala
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
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stringstream, string, and char* conversion confusion
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What is a regular expression which will match a valid domain name without a subdomain?
...t Guide for more information.
Feel free to try out the regex here: http://www.regexr.com/3abjr
ICANN keeps a list of tlds that have been delegated which can be used to see some examples of IDN domains.
Edit:
^(((?!-))(xn--|_{1,1})?[a-z0-9-]{0,61}[a-z0-9]{1,1}\.)*(xn--)?([a-z0-9][a-z0-9\-]{0,6...
What is a raw type and why shouldn't we use it?
...LS, on why this sort of behavior ought to occur: https://bugs.openjdk.java.net/browse/JDK-6400189. (In short, it makes the specification simpler.)
If it's unsafe, why is it allowed to use a raw type?
Here's another quote from JLS 4.8:
The use of raw types is allowed only as a concession to compati...
what exactly is device pixel ratio?
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Pass a data.frame column name to a function
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
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REST API error return good practices [closed]
...
A great resource to pick the correct HTTP error code for your API:
http://www.codetinkerer.com/2015/12/04/choosing-an-http-status-code.html
An excerpt from the article:
Where to start:
2XX/3XX:
4XX:
5XX:
share
...
Simple explanation of MapReduce?
... quick and "for dummies" introduction to MapReduce is available at: http://www.marcolotz.com/?p=67
Posting some of it's content:
First of all, why was MapReduce originally created?
Basically Google needed a solution for making large computation jobs easily parallelizable, allowing data to be distrib...