大约有 1,100 项符合查询结果（耗时：0.0125秒） [XML]
git working on two branches simultaneously
...red Jan 12 '10 at 18:50
Stefan NäweStefan Näwe
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Printing the value of a variable in SQL Developer
...d Oct 25 '11 at 12:38
Klas LindbäckKlas Lindbäck
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What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
...r is not correct. It is at best simplified.
– David Pärsson
Mar 6 '15 at 14:03
3
-1. This is mis...
What is the 'cls' variable used for in Python classes?
...ered Jan 6 '11 at 8:21
Juho VepsäläinenJuho Vepsäläinen
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重构理论及实践——用工厂模式重构c++后台代码 - C/C++ - 清泛网 - 专注C/C...
...开发中的一个重构小例子，说明重构对代码可维护性和可扩展性的价值、重构的节奏、以及思想是王道语言是浮云的道理；用的模式也是最基本的模式，例子也是写书时放在前言之后那5页的入门示例的水平。所以大小牛牛们就...
Arrays vs Vectors: Introductory Similarities and Differences [closed]
...swered Feb 26 '13 at 0:28
John KällénJohn Källén
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
... answered Oct 22 '14 at 3:43
Xiè JìléiXiè Jìléi
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comparing 2 strings alphabetically for sorting purposes
...ype.sort()
Keep in mind that sorting is locale dependent. E.g. in German, ä is a variant of a, so "ä".localeCompare("b", "de-DE") returns -1. In Swedish, ä is one of the last letters in the alphabet, so "ä".localeCompare("b", "se-SE") returns 1.
Without the second parameter to localeCompare, t...
搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...过大？
数据压力大到机器支撑不了的时候能否做到自动扩展？
在系统早期，数据量还小的时候不会引起太大的问题，但是随着数据量持续增多，后续迟早会出现一台机器硬件瓶颈问题的。而mongodb主打的就是海量数据架构，...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...信息，事前不需要保证数据一致性，没有锁，很容易水平扩展。
其四，订票系统应该和电子商务的订单系统很相似，都是需要对库存进行：1）占住库存，2）支付（可选），3）扣除库存的操作。这个是需要有一致性的检查的...