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Java Timer vs ExecutorService?
...os of ExecutorService over Timer
Timer can't take advantage of available CPU cores unlike ExecutorService especially with multiple tasks using flavours of ExecutorService like ForkJoinPool
ExecutorService provides collaborative API if you need coordination between multiple tasks. Assume that you ...
区块链技术到底是什么鬼，为何被疯炒？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...节点都可以扮演“监督者”的身份，因此不用担心欺诈的问题。可扩展：区块链是一种底层开源技术，在此基础上可以实现各类扩展和去中心化、去信任化的应用。匿名化：数据交换的双方可以是匿名的，网络中的节点无需知道...
linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...定也会出现混乱的情况，版本管理系统就是为了解决这些问题。
SVN中的一些概念 :
a. repository（源代码库）
源代码统一存放的地方。
b. Checkout （提取）
当你手上没有源代码的时候，你需要从repository checkout一份。
c...
Naming conventions: “State” versus “Status” [closed]
...re were you in 2009? This answer makes the most sense in technical jargon (cpu state, thread state, state machine; return status, raid volume status, etc.), and even much of everything else (application status, account status, etc.). The only thing I can think of that is inconsistent is stuff like "...
What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
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Spinning a loop cause High CPU utilization.
– Niger
Sep 19 '09 at 1:10
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Convert Enum to String
...ject argument. This means that the value will be boxed and this will waste CPU resources on the allocation and on the garbage collection. If this is done a lot of time, Enum.GetName will have a much lower throughput than caching the values in a dictionary and looking for the name there.
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How to import data from mongodb to pandas?
...= pd.DataFrame(list(cursor)) evaluates as a list or generator, to keep the CPU cool. If u have a zillionty-one data items, and the next few lines would have reasonably partioned, level-of-detailed, and clipped them, the whole shmegegge is still safe to drop in. Nice.
– Phlip
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Convert a positive number to negative in C#
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@makerofthings7, the one you linked to is a lot more CPU instructions -- an absolute-value operation (at least three instructions on x86), followed by a MUL (or possibly a NEG if the compiler is clever). This answer is a single, lightweight NEG opcode, nothing more or less than...
How to clear the cache in NetBeans
...cache/netbeans/8.2. This cured a nasty hang where Netbeats froze with 100% CPU usage while parsing a large project.
– Mike
Jan 11 '17 at 14:05
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Create a string with n characters
...te for Hotspot compilation, and stands a better chance of being found your CPU cache. Future JVMs may assign it as an intrinsic function. Rolling your own cuts you off from all this performance goodness...
– SusanW
Aug 5 '16 at 12:26
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