大约有 3,552 项符合查询结果（耗时：0.0160秒） [XML]
What is the difference between Spring, Struts, Hibernate, JavaServer Faces, Tapestry?
...
In hibernate you need not bother about how to create table in SQL and you need not to remember connection ,prepared statement like that data is persisted in a database. So, basically it makes a developer's life easy.
...
Mocking static methods with Mockito
I've written a factory to produce java.sql.Connection objects:
14 Answers
14
...
How to read and write into file using JavaScript?
...the browser though. For similar functionality in a browser you can use the SQL database functions from HTML5, clientside persistence, cookies, and flash storage objects.
share
|
improve this answer
...
Display the current time and date in an Android application
...d NOT android.text.format.DateFormat! And it's java.util.Date and NOT java.sql.Date! Just a little hint on asking questions: try to be precise, e.g.: declare what you mean by "display" in your question. And when you type in my lines - both Date and DateFormat must, of course, be imported - if there...
Write applications in C or C++ for Android? [closed]
...s. The page goes on to list the C/C++ libs: standard C library, media, 3D, SQL lite, and others.
So all you need is a compiler chain that will compile C/C++ to the appropriate CPU (ARM, in the case of the G1). Some brief instructions on how to do this are here.
What I don't know is where to find d...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...o use the log_statement and log_min_error_statement options in your postgresql server.
share
|
improve this answer
|
follow
|
...
Insert auto increment primary key to existing table
...
@Nikkie SQLite's mechanics are quite different. You'll find suggestions here stackoverflow.com/questions/946011/sqlite-add-primary-key
– Michael Berkowski
Sep 3 '15 at 13:12
...
Are foreign keys really necessary in a database design?
...
In SQL-Server, they are not indexed by default on either the referee or the referrer. sqlskills.com/blogs/kimberly/…
– user420667
Jun 27 '16 at 20:26
...
Capitalize first letter. MySQL
Does any one know the equivalent to this TSQL in MySQL parlance?
13 Answers
13
...
Adding a column to an existing table in a Rails migration
...an change the schema in from db/schema.rb, Add the columns you want in the SQL query.
Run this command: rake db:schema:load
Warning/Note
Bear in mind that, running rake db:schema:load automatically wipes all data in your tables.
...