大约有 26,000 项符合查询结果（耗时：0.0408秒） [XML]
JPA: How to have one-to-many relation of the same Entity type
There's an Entity Class "A". Class A might have children of the same type "A". Also "A" should hold it's parent if it is a child.
...
How do I iterate through children elements of a div using jQuery?
...v and it has several input elements in it... I'd like to iterate through each of those elements. Ideas?
7 Answers
...
What makes a keychain item unique (in iOS)?
My question concerns keychains in iOS (iPhone, iPad, ...). I think (but am not sure) that the implementation of keychains under Mac OS X raises the same question with the same answer.
...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
Following on from this question , can someone explain the following in Scala:
4 Answers
...
Is Java Regex Thread Safe?
I have a function that uses Pattern#compile and a Matcher to search a list of strings for a pattern.
5 Answers
...
Is ASCII code 7-bit or 8-bit?
My teacher told me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
...
CMake output/build directory
I'm pretty new to CMake, and read a few tutorials on how to use it, and wrote some complicated 50 lines of CMake script in order to make a program for 3 different compilers. This probably concludes all my knowledge in CMake.
...
Pretty git branch graphs
I've seen some books and articles have some really pretty looking graphs of git branches and commits. How can I make high-quality printable images of git history?
...
Use of the MANIFEST.MF file in Java
I noticed that JAR, WAR and EAR files have a MANIFEST.MF file under the META-INF folder.
2 Answers
...
Entity Framework code first unique column
I am using Entity Framework 4.3 and using Code Fist.
6 Answers
6
...