The HTTP Status codes allow a server to communicate the results of processing a client’s request.
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Web程序 时间:
2015-09-15 23:27:01
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295
一、MPP,SMP,NUMA概念介绍1.1、MPP架构介绍MPP (Massively Parallel Processing),大规模并行处理系统,这样的系统是由许多松耦合的处理单元组成的,要注意的是这里指的是处理单元而不是处理器。每个单元内的CPU都有自己私有的资源,如总线,内存,硬盘等。在每个...
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其他好文 时间:
2015-09-13 13:18:46
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157
联机事务处理OLTP(on-line transaction processing)主要是执行基本的、日常的事务处理,比如数据库记录的增、删、改、查。比如在银行存取一笔款,就是一个事务交易。OLTP的特点一般有:1.实时性要求高;2.数据量不是很大;3.交易一般是确定的,所以OLTP是对确定性...
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其他好文 时间:
2015-09-13 13:12:06
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198
DataWindow.Processing 判断 DataWindow 对象的类型可用 DataWindow.Processing 判断 DataWindow 对象的类型,dw的类型如下: 0 (Default) Form, group, query, or tabular 1 Grid 2 ...
严重: Servlet.service() for servlet [annomvc] in context with path [/joyen-learning] threw exception [Request processing failed; nested exception is org...
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Web程序 时间:
2015-09-10 10:57:53
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413
1、错误描述org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.Error: Unresolved compilation problems:
sql cannot be resolved
sql cannot be reso...
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编程语言 时间:
2015-09-08 18:39:02
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347
Higher order Array functions such as filter, map and reduce are great for functional programming, but they can incur performance problems.var ary = [1...
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Web程序 时间:
2015-09-07 19:31:19
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256
1 def url(regex, view, kwargs=None, name=None, prefix=''): 2 if isinstance(view, (list,tuple)): 3 # For include(...) processing. 4 ...
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Web程序 时间:
2015-09-06 18:12:59
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333
[2015-09-06 09:07:32.879] ERROR [6B68DD09CE6FECFE20936CA3C6D560AD:http-bio-8087-exec-8] o.a.s.v.freemarker.FreemarkerResult - Error processing Freemar...
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其他好文 时间:
2015-09-06 09:50:04
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2668
转自: http://www.confluent.io/blog/stream-data-platform-1/ These days you hear a lot about "stream processing", "event data", and "real-time", often rel...
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Web程序 时间:
2015-09-05 16:11:57
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289