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UML for Java Programmers之dx实战
dx是一套简单的开发规则。它说白了就是迭代开发,在短周期内迭代处理”所有事情“,这里所指的”所有事情“包括需求、分析、设计、实现、测试和文档等等。它的大概流程是这样:1. 初始探索 跟客户坐下来一起讨论系统到底是做什么的。在这个过程中,识别出系统的use-case也就是我们所说的user-stor....
分类:编程语言   时间:2014-05-30 11:07:43    阅读次数:338
IReport问题整理
1. 问题:IReport如何实现变量字段$F{ propertyName}赋值为一个NULL对象时不显示”null”, 而显示为空白?解决方法:选中动态单元格,右键选择属性,在弹出对话框TextField选项卡中选中Blank when null。思考:以往我们为IReport中变量字段赋值时会在...
分类:其他好文   时间:2014-05-29 00:04:49    阅读次数:383
关于眼睛的一切
Today’s program is all about eyes.When it comes to relationships, people’s eyes can be "a window into their hearts."This means that their eyes can tel...
分类:其他好文   时间:2014-05-28 23:52:27    阅读次数:392
sed use case: Filter without editing
if we want to filter with sed pattern and just print the filtered lines without any further editing , we can do it like thisls -a1 ~ | sed -ne "/^\./p...
分类:其他好文   时间:2014-05-28 22:58:56    阅读次数:294
reflow和repaint区别?
作者:zccst重绘和重排之前也知道,但也没有可以详细了解他们的机制,区别,以及对性能的影响。A repaint occurs when changes are made to an elements skin that changes visibility, but do not affect i...
分类:其他好文   时间:2014-05-28 21:31:15    阅读次数:519
[leetcode]Climbing Stairs @ Python
原题地址:https://oj.leetcode.com/problems/climbing-stairs/题意:You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either cl...
分类:编程语言   时间:2014-05-28 03:27:49    阅读次数:267
software level
1. Works when no one is watching When the requirements are completely out of control, many programmers celebrate even having reached this point. 2. .....
分类:其他好文   时间:2014-05-27 17:18:31    阅读次数:338
@+id/和android:id有什么区别?
Any View object may have an integer ID associated with it, to uniquely identify the View within the tree. When the application is compiled, this ID is...
分类:移动开发   时间:2014-05-27 17:10:02    阅读次数:314
正则表达式/g/i/d
/g意思就是:global可选标志,带这个标志表示替换将针对行中每个匹配的串进行,否则则只替换行中第一个匹配串。如:we.fdffddfwe.加上/g后,则2个we都会出来;/i意思就是 case insensitive,区分大小写小字。如:sw与sW不管;/d意思是digital.是一个数字如:/...
分类:其他好文   时间:2014-05-27 16:57:49    阅读次数:234
android学习笔记——利用BaseAdapter生成40个列表项
RT;main.xml MyActivity.javapublic class MyActivity extends Activity { /** * Called when the activity is first created. */ ListView my...
分类:移动开发   时间:2014-05-26 17:04:30    阅读次数:365
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