原创 How to be a professional Java developer
剛看到一個java高手寫的一篇文章,關於java程序員的發展規劃的,在此貼出鏈接,希望大家共勉http://blog.csdn.net/gup21cn/archive/2006/06/22/821709.aspx 我的處女blog,哈哈
2020-06-16 13:33:20
原创 Summary on 20080613: the meaningless variable in JavaScript
In JavaScript, there are some meaningless variable/value, which means, in logic expression, those meaningless variables
2020-02-24 01:47:19
原创 Summary on 2008-06-12: How to check one session is valid
1. before invalidate the session, it's necessary to check whether the session is still valid, HttpServletRequest supply
2020-02-24 01:47:19
原创 Java： PrintWriter.write 向文本文件中寫入換行。
Today I use java to parse a file and get some special content and write the
2020-02-24 01:47:18
原创 Summary on 20080701: insert value for identity column in sql
In MSSQLServer, by default, user can‘t insert/assign/update value for identity column; SQLServer will do this for user
2018-08-31 22:00:14
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原创 Math.abs(int) in Java
Math.abs(int): returns the absolute value of the parameter. If the parameter is equal to Integer.MIN_VALUE(-2147483648)
2018-08-31 22:00:14
原创 Summary on 20080710: union and projection search by QBC
1. union and projection search by QBC: in hibernate, QBC can do projection search by use the Projections class. The imp
2018-08-31 22:00:13
原创 Summary on 20080717: web page refresh
These days I'm working on web page refresh, and find that there are lots of ways to refresh page:1. win
2018-08-31 22:00:13
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原创 Summary on 20080716: close the current page through backend bean method
There is such process that: in home page, click some link/button to open one pop up child window, in the window, input/
2018-08-31 22:00:13
原创 Summary on 20081111: system method in sql server2005
In sql server 2005, there is no support for array. when you print something using print @dddvalue, when @dddvalue is n
2018-08-31 22:00:13
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原创 Summary on 20080707: Hibernate operation on many-to-one relation
Hibernate many-to-one relation mapping: public class Student{ ..... private CoreClass class; public C
2018-08-31 22:00:13
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原创 Summary on 20080820: when hibernate session will be flushed
Hibernate session will be flushed in the following scenario: 1. use session.flush() 2. do search use session 3. use tra
2018-08-31 22:00:13
原创 Summary on 20080706: setting for many-to-many mapping in hibernate
For n-n relationship in database, hibernate supplies the many-to-many mapping type. let's take the class and teacher re
2018-08-31 22:00:13
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