An asynchronous callback-based Http client for Android built on top of Apache’s HttpClient libraries. All requests are made outside of your app’s main...
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移动开发 时间:
2015-04-28 22:47:35
阅读次数:
471
前言:Hive ql自己设计总结1,遇到复杂的查询情况,就分步处理。将一个复杂的逻辑,分成几个简单子步骤处理。
2,但能合在一起的,尽量和在一起的。比如同级别的多个concat函数合并一个select
也就是说,字段之间是并行的同级别处理,则放在一个hive ql;而字段间有前后处理逻辑依赖(判断、补值、计算)则可分步执行,提前将每个字段分别处理好,然后进行相应的分步简单逻辑处理。一、 场景:日志中...
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其他好文 时间:
2015-04-28 18:25:17
阅读次数:
170
首先,我们要在页面的最上方引用: <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %> ? 下面是JSTL中自带的方法列表以及其描述?: ? fn:contains(string, substring) 假如参数string中...
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Web程序 时间:
2015-04-28 12:10:39
阅读次数:
157
Node.js® is a platform built onChrome's JavaScript runtimefor easily building fast, scalable network applications. Node.js uses an event-driven, non-b...
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Web程序 时间:
2015-04-27 19:41:13
阅读次数:
114
首先上题目:
Human Gene Functions
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 2570 Accepted Submission(s): 1451
Problem Descript...
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其他好文 时间:
2015-04-27 16:50:32
阅读次数:
145
Stored routines (procedures and functions)can be particularly useful in certain situations:When multiple client applications are written in different ...
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数据库 时间:
2015-04-27 12:42:32
阅读次数:
175
Abstract. OpenCASCADE provides a class BRepBuilderAPI_MakeFace to build topological faces. A face maybe built from a surface, elementary surface from ...
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其他好文 时间:
2015-04-25 13:26:05
阅读次数:
228
2015-04-24 08:59:50,927 [main] WARN [org.apache.hadoop.util.NativeCodeLoader] - Unable to load native-hadoop library for your platform... using built....
1.Wait for element in default time or self defined timeWhen the element need some time to be present , be visible, be not present or be not visible, f...
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其他好文 时间:
2015-04-23 15:28:27
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248
一、xcode4中的环境变量$(BUILT_PRODUCTS_DIR)build成功后的,最终产品路径--可以在Build Settings参数的Per-configuration Build Products Path项里设置$(TARGET_NAME)目标工程名称$(SRCROOT)工程文件(比...
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其他好文 时间:
2015-04-23 10:48:50
阅读次数:
208