大约有 42,000 项符合查询结果（耗时：0.0636秒） [XML]
How to create a generic array in Java?
...i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are passed arguments that are not of type E. See Collections.checkedCollection.
-> in that case, you should write:
public class GenSet<E> {
private E[] a;
pub...
Android global variable
...
You can extend the base android.app.Application class and add member variables like so:
public class MyApplication extends Application {
private String someVariable;
public String getSomeVariable() {
return someVariable;
}
...
How to keep the spaces at the end and/or at the beginning of a String?
...
&#160 doesn't work... xml editor gives an error and you can't to build the project... \u0020 works fine!
– jcamacho
Jul 29 '13 at 8:18
11
...
How to automatically convert strongly typed enum into int?
...
Strongly typed enums aiming to solve multiple problems and not only scoping problem as you mentioned in your question:
Provide type safety, thus eliminating implicit conversion to integer by integral promotion.
Specify underlying types.
Provide strong scoping.
Thus, it is imp...
Throttling method calls to M requests in N seconds
...xed size of M. Each time the method is called, you check the oldest entry, and if it's less than N seconds in the past, you execute and add another entry, otherwise you sleep for the time difference.
share
|
...
HTTP GET Request in Node.js Express
...I need to connect to another service. I am hoping the call is asynchronous and that the callback contains the remote server's response.
...
How to handle multiple cookies with the same name?
...recedence based on other attributes, including the domain, is unspecified, and may vary between browsers. This means that if you have set cookies of the same name against “.example.org” and “www.example.org”, you can’t be sure which one will be sent back.
Edit: this information from 2010 ...
Should import statements always be at the top of a module?
...an prevent circular dependencies.
For example, if you have 2 modules, X.py and Y.py, and they both need to import each other, this will cause a circular dependency when you import one of the modules causing an infinite loop. If you move the import statement in one of the modules then it won't try to...
PHP-FPM doesn't write to error log
...
This worked for me:
; Redirect worker stdout and stderr into main error log. If not set, stdout and
; stderr will be redirected to /dev/null according to FastCGI specs.
; Default Value: no
catch_workers_output = yes
Edit:
The file to edit is the file that configure y...
Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...