大约有 45,230 项符合查询结果（耗时：0.0352秒） [XML]
Android Spinner: Get the selected item change event
How can you set the event listener for a Spinner when the selected item changes?
16 Answers
...
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
...
Access restriction on class due to restriction on required library rt.jar?
...ompile Java 1.4 code that was created by IBM's WSDL2Java on Java5 without recreating the stubs and saw this error in Eclipse .
I'm under the assumption that the stubs generated should just compile as long as the runtime jars are available (they are).
...
Where to place private methods in Ruby?
...actice in my point of view is to go sequentially and declare your methods without keeping private in point of view.
At the end, you can make make any method private by just adding: private :xmethod
Example:
class Example
def xmethod
end
def ymethod
end
def zmethod
end
private :xmethod,...
Extract filename and extension in Bash
I want to get the filename (without extension) and the extension separately.
37 Answers
...
Spring JPA selecting specific columns
...
You can set nativeQuery = true in the @Query annotation from a Repository class like this:
public static final String FIND_PROJECTS = "SELECT projectId, projectName FROM projects";
@Query(value = FIND_PROJECTS, nativeQuery = true)
public List<Object[]> findProjects();
Note that you ...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
3
...
What is the benefit of using $() instead of backticks in shell scripts?
...
The major one is the ability to nest them, commands within commands, without losing your sanity trying to figure out if some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112...
Default value of 'boolean' and 'Boolean' in Java
What are the default values of boolean (primitive) and Boolean (primitive wrapper) in Java?
8 Answers
...
When do you use POST and when do you use GET?
... POST for destructive actions such as creation (I'm aware of the irony), editing, and deletion, because you can't hit a POST action in the address bar of your browser. Use GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring ...