Analytical Chemistry VS Chemical Communications 这两个杂志哪个好?
Analytical Chemistry VS Chemical Communications 这两个杂志哪个好?# Chemistry - 化学
s*e
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10月28日网上申请,29日寄材料,今天收到批准信。 CA center。网上状态还是 initial review.
B*g
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【 以下文字转载自 Database 讨论区 】 发信人: coolbid (dada), 信区: Database 标 题: CINAOUG 2012年1月数据库讲座 发信站: BBS 未名空间站 (Thu Jan 19 22:42:53 2012, 美东) Web Seminar Host By Chinese in North America Oracle User Group (CINAOUG) Want to join CINAOUG? http://groups.google.com/group/cinaoug Date: Tue 1/31/2012 Time: 9:00 pm Eastern Time (New York, GMT-04:00) Duration: 1 hour To join the Web Seminar Go to http://www.AnyMeeting.com/cinaoug1 (link might be changed) Seminar access link will be available 15 minutes before the seminar start time. We will use VOIP, no dial-in is required at this time. *** Topic: Oracle Goldengate Presenter: Chen Yi Abstract: 1. Introduction to Goldengate 2. Architecture 3. Basic Replication Bio: Yi Chen currently works in a finance service company as Oracle DBA, He was transferred to Oracle DBA from Oracle developer within the company. Before his current job. Mr. Yi Chen worked in Standard & Poor's as a Java developer .
比如一个类 class customer { int salary; int bonus; int rewards; } 然后定义个基于这个类的list var customers = List ; 这种方法比下面这个直接c里面用数组方法更快吗? int [] salary; int [] bonus; int [] rewards; 在内存使用方面,哪个更好?假设数值有30000个。