大约有 34,900 项符合查询结果(耗时:0.0355秒) [XML]
Large Numbers in Java
... for numbers with decimal digits. Both classes are defined in java.math package.
Example:
BigInteger reallyBig = new BigInteger("1234567890123456890");
BigInteger notSoBig = new BigInteger("2743561234");
reallyBig = reallyBig.add(notSoBig);
...
How do you completely remove the button border in wpf?
...m trying to create a button that has an image in it and no border - just like the Firefox toolbar buttons before you hover over them and see the full button.
...
Change URL and redirect using jQuery
I have some code like this,
6 Answers
6
...
android start activity from service
...this, MyActivity.class);
dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(dialogIntent);
share
|
improve this answer
|
follow
|
...
Remove file from SVN repository without deleting local copy
...
svn delete --keep-local the_file
share
|
improve this answer
|
follow
|
...
How do I write JSON data to a file?
...tual JSON part - data is a dictionary and not yet JSON-encoded. Write it like this for maximum compatibility (Python 2 and 3):
import json
with open('data.json', 'w') as f:
json.dump(data, f)
On a modern system (i.e. Python 3 and UTF-8 support), you can write a nicer file with
import json
wi...
Can javax.persistence.Query.getResultList() return null?
...pecification says nothing about it. But Java Persistence with Hibernate book, 2nd edition, says:
If the query result is empty, a null is returned
Hibernate JPA implementation (Entity Manager) return null when you call query.getResultList() with no result.
UPDATE
As pointed out by some users,...
method overloading vs optional parameter in C# 4.0 [duplicate]
... parameters.
For example say you want a method foo to be be called/used like so, foo(), foo(1), foo(1,2), foo(1,2, "hello"). With method overloading you would implement the solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// Foo with 2 par...
Tricks to manage the available memory in an R session
What tricks do people use to manage the available memory of an interactive R session? I use the functions below [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effect...
How do I find and view a TFS changeset by comment text?
... but I don't see a simple way in the Source Control Explorer to do this task?
11 Answers
...
