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How to use MDC with thread pools?
...f things that need to be processed in the background. For that we use the java.concurrent.ThreadPoolExecutor and java.util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool.
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Java equivalent of unsigned long long?
...unsigned integer, via unsigned long long int , or via uint64_t . Now, in Java longs are 64 bits, I know. However, they are signed.
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What are “Groovy” and “Grails” and what kinds of applications are built using them?
...e Groovy on Grails when we have standard programming languages like C/C++, Java/J2EE, and .NET/C#?
Because of point 5.
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In Java, are enum types inside a class static?
...ew-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f663834%2fin-java-are-enum-types-inside-a-class-static%23new-answer', 'question_page');
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When do I need to use AtomicBoolean in Java?
... better than code
which uses Object level
monitors/synchronization. Since,
Java's synchronization mechanisms
makes code wait, when there are lots
of threads running through your
critical sections, a substantial
amount of CPU time is spent in
managing the synchronization
mechanism itself (waiting, no...
Useful example of a shutdown hook in Java?
I'm trying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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c++ Timer使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
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hWnd 是欲设置定时器的窗体句柄。定时时间到时，系统会向该窗体发送WM_TIMER消息。
nIDEvent 定时器标识符。在一个窗体内可以使用多个定时器，不同的定时器根据nIDEvent来区分。
uElapse 定时时间，单位...
程序员之网络安全系列（四）：数据加密之非对称秘钥 - 更多技术 - 清泛网 -...
...方交换信息，安全地达成一致的密钥，这就是“公开密钥系统”。相对于“对称加密算法”这种方法也叫做“非对称加密算法”。
与对称加密算法不同，非对称加密算法需要两个密钥：公开密钥（publickey）和私有密钥（privatekey...
Why do Java webapps use .do extension? Where did it come from?
I have always wondered why so many Java developers use ".do" as the extension for their web controller (MVC) resources. Example: http://example.com/register.do
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How do I count the number of occurrences of a char in a String?
...is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
This only work with spring frame work...