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Java concurrency: Countdown latch vs Cyclic barrier

I was reading through the java.util.concurrent API , and found that 14 Answers 14 ...
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What is the 'override' keyword in C++ used for? [duplicate]

I am a beginner in C++. I have come across override keyword used in the header file that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand. ...
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Favorite (Clever) Defensive Programming Best Practices [closed]

If you had to choose your Favorite (clever) techniques for defensive coding, what would they be? Although my current languages are Java and Objective-C (with a background in C++), feel free to answer in any language. Emphasis here would be on clever defensive techniques other than those that 7...
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Update Row if it Exists Else Insert Logic with Entity Framework

...tions on the most efficient way to implement "update row if it exists else insert" logic using Entity Framework? 10 Answers...
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What is the best way to filter a Java Collection?

... Java 8 (2014) solves this problem using streams and lambdas in one line of code: List<Person> beerDrinkers = persons.stream() .filter(p -> p.getAge() > 16).collect(Collectors.toList()); Here's a tutorial. Use Collection#removeIf to modify th...
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Should I add the Visual Studio .suo and .user files to source control?

Visual Studio solutions contain two types of hidden user files. One is the solution .suo file which is a binary file. The other is the project .user file which is a text file. Exactly what data do these files contain? ...
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Entity Framework 4 Single() vs First() vs FirstOrDefault()

I'm having a devil of a time finding a comparison of the different ways to query for a single item, and when to use each. 6...
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Take a char input from the Scanner

I am trying to find a way to take a char input from the keyboard. 22 Answers 22 ...
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How to delete a workspace in Perforce (using p4v)?

I'm new to Perforce and have created a few workspaces as exercises for getting familiar with it. Now I would like to delete some of the workspaces. I just want to get rid of the workspaces so that they do not appear on the drop-down in the workspaces view ( do not want to do anything with actual de...
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Check substring exists in a string in C

I'm trying to check whether a string contains a substring in C like: 12 Answers 12 ...