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What is the garbage collector in Java?

I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java. ...
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JVM option -Xss - What does it do exactly?

It says here that -Xss is used to "set thread stack size", what does it mean exactly? Could anyone help me understand this? ...
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Getting “bytes.Buffer does not implement io.Writer” error message

...ariable.) Besides, the compiler prompt is not clear enough: bytes.Buffer does not implement io.Writer (Write method has pointer receiver) Some ideas, Go use Passed by value, if we pass b to buffio.NewWriter(), in NewWriter(), it is a new b (a new buffer), not the original buffer we defined, the...
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What does the regular expression /_/g mean?

...post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6052616%2fwhat-does-the-regular-expression-g-mean%23new-answer', 'question_page'); } ); Post as a guest ...
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window.onload vs document.onload

... @JoshMein Does it mean that document.onload is JS-equivalent of jQuery document.ready? – john c. j. Feb 14 '17 at 15:22 ...
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Program does not contain a static 'Main' method suitable for an entry point

Suddenly my whole project stopped compiling at all, showing the following message: 9 Answers ...
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What does “#pragma comment” mean?

What does #pragma comment mean in the following? 5 Answers 5 ...
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What does the “+” (plus sign) CSS selector mean?

...used between plus sign and greater sign. If I use h1>p instead of h1+p, does it give me the same result? Could you explain a little bit how different between them? – lvarayut May 13 '14 at 13:56 ...
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Why is quicksort better than mergesort?

... @Sev: … as does the orignal paper. Thanks for pointing out the mistake. – Not that it really matters, since their asymptotic running time is the same. – Konrad Rudolph Sep 11 '10 at 11:46 ...
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What is Prism for WPF?

... Is Prism literally just (or mainly) a booklet, as given on the MSDN site? Does it include any libraries, if so for what exactly? It is a book, but also includes the libraries for support (on the GitHub site). Is Prism an MVVM framework? Should I be using it as the "official Microsoft MVVM fra...