大约有 43,000 项符合查询结果(耗时:0.0889秒) [XML]

https://stackoverflow.com/ques... 

proper hibernate annotation for byte[]

I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
https://stackoverflow.com/ques... 

Cannot read configuration file due to insufficient permissions

...s (Network Services, Local System, etc.), should have permission to access and read web.config file. Update: This updated answer is same as above, but a little longer and simpler and improved. First of all: you don't have to change anything in your config file. It's OK. The problem is with window...
https://stackoverflow.com/ques... 

Get file size, image width and height before upload

How can I get the file size, image height and width before upload to my website, with jQuery or JavaScript? 7 Answers ...
https://stackoverflow.com/ques... 

Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)

... to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be POSIX conform, they h...
https://stackoverflow.com/ques... 

Is “IF” expensive?

...can't, for the life of me, remember what exactly our teacher said that day and I'm hoping you would probably know. 16 Answe...
https://stackoverflow.com/ques... 

Find the host name and port using PSQL commands

I have PSQL running, and am trying to get a perl application connecting to the database. Is there a command to find the current port and host that the database is running on? ...
https://stackoverflow.com/ques... 

Coding Conventions - Naming Enums

... Enums are classes and should follow the conventions for classes. Instances of an enum are constants and should follow the conventions for constants. So enum Fruit {APPLE, ORANGE, BANANA, PEAR}; There is no reason for writing FruitEnum any ...
https://stackoverflow.com/ques... 

Real world example about how to use property feature in python?

... interested in how to use @property in Python. I've read the python docs and the example there, in my opinion, is just a toy code: ...
https://stackoverflow.com/ques... 

what’s the difference between Expires and Cache-Control headers?

What’s the difference between Expires and Cache-Control headers? 7 Answers 7 ...
https://stackoverflow.com/ques... 

Import .bak file to a database in SQL server

...ane (Object Explorer) Click Restore Database... Choose Device, click ..., and add your .bak file Click OK, then OK again Done. share | improve this answer | follow ...