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Can a constructor in Java be private?
...ign anti-pattern, which I would advise against you using. Another, more legitimate use, is in delegating constructors; you can have one constructor that takes lots of different options that is really an implementation detail, so you make it private, but then your remaining constructors delegate to i...
Which library should I use for server-side image manipulation on Node.JS? [closed]
I found a quite large list of available libraries on Node.JS wiki but I'm not sure which of those are more mature and provide better performance. Basically I want to do the following:
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Can't connect to localhost on SQL Server Express 2012 / 2016
... to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even find it. Also in the Services I ...
How to order citations by appearance using BibTeX?
By default (using the plain style) BibTeX orders citations alphabetically.
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What is unit testing and how do you do it? [duplicate]
What is unit testing?
What Makes a Good Unit Test?
New to Unit Testing
Unit Testing - definitions
Learning Unit Testing
How to properly mock and unit test
Unit Testing: Beginner Questions
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Also, Google for site:stackoverflow.com "how do you" unit-test...
INNER JOIN ON vs WHERE clause
For simplicity, assume all relevant fields are NOT NULL .
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What does “:=” do?
I've seen := used in several code samples, but never with an accompanying explanation. It's not exactly possible to google its use without knowing the proper name for it.
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Obtaining a powerset of a set in Java
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Yes, it is O(2^n) indeed, since you need to generate, well, 2^n possible combinations. Here's a working implementation, using generics and sets:
public static <T> Set<Set<T>> powerSet(Set<T> originalSet) {...
Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures? [closed]
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First off, if you're starting a new project, go with Entity Framework ("EF") - it now generates much better SQL (more like Linq to SQL does) and is easier to maintain and more powerful than Linq to SQL ("L2S"). As of the release of .NET 4.0, I consider Linq to SQL to be an...
Do sealed classes really offer performance Benefits?
... that you should mark your classes as sealed to get extra performance benefits.
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