大约有 47,000 项符合查询结果（耗时：0.0724秒） [XML]
How to choose the right bean scope?
...s as long as you're interacting with the same JSF view by postbacks which call action methods returning null/void without any navigation/redirect. A @FlowScoped bean lives as long as you're navigating through the specified collection of views registered in the flow configuration file. A @SessionScop...
What is the MySQL VARCHAR max size?
...er is subject to the maximum row size (65,535 bytes, which is shared among all columns) and the character set used.
However, note that the limit is lower if you use a multi-byte character set like utf8 or utf8mb4.
Use TEXT types inorder to overcome row size limit.
The four TEXT types are TINY...
Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
...
Regex to validate date format dd/mm/yyyy
...
Edit February 14th 2019: I've removed a comma that was in the regex which allowed dates like 29-0,-11
share
|
improve this answer
|
follow
|
...
Firing a double click event from a WPF ListView item using MVVM
...
Please, code behind is not a bad thing at all. Unfortunately, quite a lot people in the WPF community got this wrong.
MVVM is not a pattern to eliminate the code behind. It is to separate the view part (appearance, animations, etc.) from the logic part (workflow). F...
Global variables in AngularJS
...lue. The problem with it is that the controller that initialises it, gets called again by angular some how and then resets the variable back to its initial value.
...
Git Checkout warning: unable to unlink files, permission denied
...
I usually see that kind of error when there is a process not releasing the handle of those files.
Make sure nothing is running, and then try your checkout again.
Note: it can also be related with the way Git has been installed (...
Sending email through Gmail SMTP server with C#
...enabling this on a test ASP.NET site I was working on, and it works.
Actually, at some point I had an issue on my code. I didn't spot it until I had a simpler version on a console program and saw it was working (no change on the Gmail side as you were worried about). The below code works just like...
Should CSS always preceed Javascript?
...e recommendation to include CSS prior to JavaScript. The reasoning is generally, of this form :
14 Answers
...
Copy tables from one database to another in SQL Server
I have a database called foo and a database called bar. I have a table in foo called tblFoobar that I want to move (data and all) to database bar from database foo. What is the SQL statement to do this?
...