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【 pmagic和yangrenzhi你们两个够可以的,CSDN的Big Bug。 】 [问题点数:1分,结帖人longyear]

结帖率 100%
这个类是java里精确计算的类    1 比较对象是否相等      一般的对象用equals,但是BigDecimal比较特殊,举个例子:      BigDecimal a=BigDecimal.valueOf(1.0);      BigDecimal b=BigDecimal.valueOf(1.000);      在现实中这两个数字是相等的,但是问题来来了      a
BigDecimal类型的运算 BigDecimal bignum1 = new BigDecimal("10");   BigDecimal bignum2 = new BigDecimal("5");   BigDecimal bignum3 = null;     //加法   bignum3 =  bignum1.add(bignum2);        Syst
Android Programming: The Big Nerd Ranch Guide, 3rd Edition
Title: Android Programming: The Big Nerd Ranch Guide, 3rd Edition Author: Bill Phillips, Chris Stewart Length: 624 pages Edition: 3 Language: English Publisher: Big Nerd Ranch Guides Publication Date: 2017-02-09 ISBN-10: 0134706056 ISBN-13: 9780134706054 Table of Contents Chapter 1. Your First Android Application Chapter 2. Android and Model-View-Controller Chapter 3. The Activity Lifecycle Chapter 4. Debugging Android Apps Chapter 5. Your Second Activity Chapter 6. Android SDK Versions and Compatibility Chapter 7. UI Fragments and the Fragment Manager Chapter 8. Displaying Lists with RecyclerView Chapter 9. Creating User Interfaces with Layouts and Widgets Chapter 10. Using Fragment Arguments Chapter 11. Using ViewPager Chapter 12. Dialogs Chapter 13. The Toolbar Chapter 14. SQLite Databases Chapter 15. Implicit Intents Chapter 16. Taking Pictures with Intents Chapter 17. Two-Pane Master-Detail Interfaces Chapter 18. Localization Chapter 19. Accessibility Chapter 20. Data Binding and MVVM Chapter 21. Unit Testing and Audio Playback Chapter 22. Styles and Themes Chapter 23. XML Drawables Chapter 24. More About Intents and Tasks Chapter 25. HTTP and Background Tasks Chapter 26. Loopers, Handlers, and HandlerThread Chapter 27. Search Chapter 28. Background Services Chapter 29. Broadcast Intents Chapter 30. Browsing the Web and WebView Chapter 31. Custom Views and Touch Events Chapter 32. Property Animation Chapter 33. Locations and Play Services Chapter 34. Maps Chapter 35. Material Design Chapter 36. Afterword
android 计算器
一个简单的计算器,故意放了两个BUG 给你们自己动手解决,但完全不影响使用
Data Science and Big Data Analytics is about harnessing the power of data for new insights. The book covers the breadth of activities and methods and tools that Data Scientists use. The content focuses on concepts, principles and practical applications that are applicable to any industry and technology environment, and the learning is supported and explained with examples that you can replicate using open-source software. This book will help you: Become a contributor on a data science team Deploy a structured lifecycle approach to data analytics problems Apply appropriate analytic techniques and tools to analyzing big data Learn how to tell a compelling story with data to drive business action Prepare for EMC Proven Professional Data Science Certification Corresponding data sets are available at www.wiley.com/go/9781118876138. Get started discovering, analyzing, visualizing, and presenting data in a meaningful way today! Table of Contents Chapter 1 Introduction to Big Data Analytics Chapter 2 Data Analytics Lifecycle Chapter 3 Review of Basic Data Analytic Methods Using R Chapter 4 Advanced Analytical Theory and Methods: Clustering Chapter 5 Advanced Analytical Theory and Methods: Association Rules Chapter 6 Advanced Analytical Theory and Methods: Regression Chapter 7 Advanced Analytical Theory and Methods: Classification Chapter 8 Advanced Analytical Theory and Methods: Time Series Analysis Chapter 9 Advanced Analytical Theory and Methods: Text Analysis Chapter 10 Advanced Analytics—Technology and Tools: MapReduce and Hadoop Chapter 11 Advanced Analytics—Technology and Tools: In-Database Analytics Chapter 12 The Endgame, or Putting It All Together
java BigDecimal类型 比较大小
一般我们进行类型比较有.equals()、==、.compareTo()但是当比较bigdecimal类型时最好使用.compareTo()来比较大小BigDecimal a=BigDecimal.ZERO;BigDecimal b=BigDecimal.valueOf(0.000);BigDecimal c=BigDecimal.valueOf(0.0);a.equals(b) 的结果会是fal...
Big O算法复杂度
1. Big O介绍大O符号(Big O notation)是用于描述函数渐进行为的数学符号。它是用另一个(通常更简单的)函数来描述一个函数数量级的渐近上界。在计算机科学中,用它来描述算法的复杂度。2.Big O 算法复杂度a.O(1) Constantdef func_constant(values): ''' Prints first item in a list of val...
团战可以输、提莫必须死 SDUT3526
Submit Statistic Problem Description         为了一些你们不知道的原因,我们把LOL的地图抽象为一个n×m的矩阵         提莫积攒了k个蘑菇准备种到地图上去,因为提莫的背篓漏了,所以每一个提莫走过的地方都会被摆下一个蘑菇,两个蘑菇同时种在一个地方的话就会爆炸,所以一旦即将出现这种情况,提莫会直接传送回家,防止自己被炸死    
大数据分析(Big Data Analytics)PPT
大数据分析(Big Data Analytics)国外PPT课件,共11章内容。
CSS开发技巧以及, 伪元素, 浮动, 定位的介绍