大约有 30,000 项符合查询结果（耗时：0.0338秒） [XML]
Database design for a survey [closed]
...on. Shouldn't SurveyId be present in the answer table as well or atleast a time stamp matching the versioning time of the survey? If you inserted a question in your original survey, the questionIds would change, and the answers would become unidentifiable. Or if it is redundant, could you explain ho...
Invalid default value for 'create_date' timestamp field
...
Saved me some time searching why the hell it is not working :)
– Srneczek
Jun 5 '15 at 11:12
5
...
When saving, how can you check if a field has changed?
...where multiple requests can manipulate the same model instance at the same time, you definitely need a different approach.
share
|
improve this answer
|
follow
...
What is a “translation unit” in C++
I am reading at the time the "Effective C++" written by Meyers
and came across the term "translation unit".
11 Answers
...
How to link a folder with an existing Heroku app
...ed the heroku create command, but obviously I don't want to do that this time since it will create another Heroku instance.
...
Error TF30063: You are not authorized to access … \DefaultCollection
...
@Holf It's a long time ago, but I think I've read about browser issues and remebered that there's a builtin browser :)
– Markus Bruckner
Jan 2 '14 at 11:08
...
'Java' is not recognized as an internal or external command
...that you don't need a JAVA_HOME environment variable, and haven't for some time. Some tools may use it - and if you're using one of those, then sure, set it - but if you're just using (say) Eclipse and the command-line java/javac tools, you're fine without it.
1 Yes, this has reminded me that I n...
How do I declare class-level properties in Objective-C?
...the dictionary method always result in the dictionary being recreated each time?
– PapillonUK
Apr 6 '12 at 22:02
4
...
How can I represent an 'Enum' in Python?
... Python is dynamic by default. There's no valid reason to enforce compile-time safety in a language like Python, especially when there is none. And another thing ... a good pattern is only good in the context in which it was created. A good pattern can also be superseded or completely useless, dep...
Focusable EditText inside ListView
... Rafael Sanches: I haven't touched the project since 2.1, but at that time, it was confirmed working in 1.5, 1.6, and 2.1. I make no guarantee that it still works in 2.2 or later.
– Joe
May 9 '11 at 13:52
...