大约有 31,840 项符合查询结果（耗时：0.0239秒） [XML]
Can a C# lambda expression have more than one statement?
Can a C# lambda expression include more than one statement?
8 Answers
8
...
JPA and Hibernate - Criteria vs. JPQL or HQL
...w why HQL is better than criteria api in certain cases ? I read the end of one blog, but understood nothing. Would appreciate it if you could help. Thanks. Link - javalobby.org/articles/hibernatequery102
– Erran Morad
Jun 10 '14 at 1:23
...
Merge / convert multiple PDF files into one PDF
How could I merge / convert multiple PDF files into one large PDF file?
18 Answers
18
...
Batch file to copy files from one folder to another folder
... active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex:
...
Generate all permutations of a list without adjacent equal elements
...ns safety.
The only way that a greedy step introduces a defect is if only one item type remains, in which case there is only one way to continue, and that way is safe. Otherwise, let P be the (safe) prefix just before the step under consideration, let P' be the prefix just after, and let S be an op...
Doctrine2: Best way to handle many-to-many with extra columns in reference table
...tself, and then you realize you have 3 objects, linked between them with a one-to-many and many-to-one relation.
http://groups.google.com/group/doctrine-user/browse_thread/thread/d1d87c96052e76f7/436b896e83c10868#436b896e83c10868
Once a relation has data, it's no more a relation !
...
Elegant way to invert a map in Scala
...
You can avoid the ._1 stuff while iterating in few ways.
Here's one way. This uses a partial function that covers the one and only case that matters for the map:
Map() ++ (origMap map {case (k,v) => (v,k)})
Here's another way:
import Function.tupled
Map() ++ (origMap map ...
Possible to do a MySQL foreign key to one of two possible tables?
... That is, the "foreign key" column contains an id value that must exist in one of a set of target tables. Typically the target tables are related in some way, such as being instances of some common superclass of data. You'd also need another column along side the foreign key column, so that on eac...
When should one use a 'www' subdomain?
...
You should choose one to be canonical mattcutts.com/blog/seo-advice-url-canonicalization
– Andrew Harry
Dec 19 '11 at 22:09
...
Keep SSH session alive [closed]
...
@user271996, why should one restart a daemon for a client-side setting?
– maxschlepzig
Jun 2 '15 at 15:40
...