大约有 45,000 项符合查询结果（耗时：0.0719秒） [XML]
Why should I not wrap every block in “try”-“catch”?
...xactly you will do once you've caught the exception and only catch if you know.
share
|
improve this answer
|
follow
|
...
What Java ORM do you prefer, and why? [closed]
...
I agree. I've been using ORM over 3 years now, and i cannot tell how much time was wasted (still is) to resolve persistence related issues. We have no control whatsoever about what is happening "under the hood", configurations are too many to be managed efficiently a...
How do you copy the contents of an array to a std::vector in C++ without looping?
... of the program that I need to store for later processing. Since I don't know how many times my function will be called before it is time to process the data, I need a dynamic storage structure, so I chose a std::vector . I don't want to have to do the standard loop to push_back all the values ...
How to extract text from a string using sed?
...
I tried sed -n '/[0-9]\+G[0-9]\+/p'. Now it just prints the whole string
– RanRag
Jul 19 '12 at 20:43
...
in iPhone App How to detect the screen resolution of the device
...ices will give a 2.0f and the iPhone 6 Plus (Retina HD) will give a 3.0f.
Now if you want to get the pixel width & height of the iOS device screen you just need to do one simple thing.
CGSize screenSize = CGSizeMake(screenBounds.size.width * screenScale, screenBounds.size.height * screenScale)...
What is the best way to implement constants in Java? [closed]
... big bad hack), because the constructor of the subclass needs to call the (now private) constructor of its superclass. So, marking it final is unnecessary (but perhaps more explicit).
– import this
Nov 4 '14 at 16:56
...
How to get jQuery to wait until an effect is finished?
... remove part. P.S. If any one is interested the book I read it in and have now found again is Learning JQuery - Better Interaction and Design. Thanks again
– uriDium
Jun 30 '09 at 20:23
...
How do SQL EXISTS statements work?
...M student WHERE EXISTS (SELECT 1 FROM student WHERE student.id > 1). I know what I wrote could be achieved by one simple WHERE query but I was just using it to understand EXISTS. I got all the rows. Is it indeed due to the fact that I didn't use correlated subquery? Thanks.
–...
Redis: possible to expire an element in an array or sorted set?
...currently only possible to expire an entire key/value pair?
As far as I know, and also according to key commands and document about expiration, currently you can set expiration only to specific key and not to it's underlying data structure. However there is a discussion on google groups about this...
HTTP URL Address Encoding in Java
...
@Carlos Thx for the edit. Now it does escape but not correct escaping. It should be adding a % to the HEX value of char for Path params meaning é char should be converted to %e9
– fmucar
Jan 19 '11 at 13:37
...