Tag: java

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The difference between wait and sleep

wait and sleep can both be used to put a thread into sleep and wait for a while. So what’s the difference? To find it out, we need to figure out how to use them first. WaitTo use wait, you have to put

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the machanism of garbage collectors in Java

There are several garbage collectors in Java, each has its specific usage scenario. To understand garbage collection, we first have to understand how heaps are divided in Java. Heaps are divided into

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Hadoop Internals -- Configuration

IntroductionAs what is called, Configuration is used to store all kinds of configurations in the hadoop platform, either they are from files(like core-default.xml) or from users(set via conf.setInt(&q

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Fix The Font Rendering Problem On Pycharm

Almost all the java desktop apps running on PC/Mac have a common problem: font rendering. The font rendering in pycharm was so crappy that I couldn’t live with it any more. So I began to search for a