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What is the difference between == and equals() in Java?

I wanted to clarify if I understand this correctly: 23 Answers 23 ...
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Linq: GroupBy, Sum and Count

... I don't understand where the first "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lin...
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What is the Scala identifier “implicitly”?

...ave seen a function named implicitly used in Scala examples. What is it, and how is it used? 3 Answers ...
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Visual Studio: How do I show all classes inherited from a base class?

... Sure, Resharper can do this. And much more. Just right click on type name in any place and choose "Go To Inheritor" in context menu. "Go To Inheritor" can be also applied to method for navigating to overrides and an interface method's implementations. F...
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Facebook share button and custom text [closed]

... give custom parameters to facebook share its better to give only the link and facebook gets its Title + Description + Picture automatically from the page that you are sharing. In order to "help" facebook API find those things you can put the following things in the header of the page that you are ...
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?

There is a case where a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way? ...
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How do I specify the exit code of a console application in .NET?

... their case, make sure your project is compiled as a "Console application" and not as a "Windows application". – Marcel Gosselin Apr 7 '12 at 4:11 ...
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Where are my postgres *.conf files?

...e it because I can't find config files. Searched through entire hard drive and found only samples like pg_hba.conf.sample ...
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Split output of command by columns using Bash?

... And also, the field nunbers will be off if some PID:s are space padded on the left while others are not. – tripleee Mar 4 '15 at 14:58 ...
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E731 do not assign a lambda expression, use a def

...tead of the generic '<lambda>'. This is more useful for tracebacks and string representations in general. The use of the assignment statement eliminates the sole benefit a lambda expression can offer over an explicit def statement (i.e. that it can be embedded inside a larger expressio...