大约有 43,000 项符合查询结果（耗时：0.0474秒） [XML]
How does autowiring work in Spring?
...
First, and most important - all Spring beans are managed - they "live" inside a container, called "application context".
Second, each application has an entry point to that context. Web applications have a Servlet, JSF uses a el-re...
Android: integer from xml resource
...
@Terry So is this the preferred method to use Integers in android, I usually hard code it in the code itself. What is your reccomendation?
– capt.swag
Dec 20 '15 at 5:51
...
Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
...
String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
...
Numpy argsort - what is it doing?
... 2, 0, 1])
This checks that they all produce the same result:
x = np.random.random(10**5)
expected = using_indexed_assignment(x)
for func in (using_argsort_twice, using_digitize, using_rankdata):
assert np.allclose(expected, func(x))
These IPython %timeit benchmarks suggests for large arr...
How to change spinner text size and text color?
In my Android application, I am using spinner, and I have loaded data from the SQLite database into the spinner, and it's working properly. Here is the code for that.
...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...ons of the HTTP specification used status code 401 for both "unauthorized" and "unauthenticated".
From the original specification:
If the request already included Authorization credentials, then the 401 response indicates that authorization has been refused for those credentials.
In fact, yo...
ExecutorService, how to wait for all tasks to finish
... if asked.) This avoids all the manual shutdown, awaitTermination, etc... and allows you to reuse this ExecutorService neatly for multiple cycles, if desired.
There are a few related questions on SO:
How to wait for all threads to finish
Return values from java threads
invokeAll() not willing to...
What is the use of ObservableCollection in .net?
...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
Can't connect to localhost on SQL Server Express 2012 / 2016
...press 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecting to localhost. It seems that it can't even f...