大约有 7,700 项符合查询结果（耗时：0.0191秒） [XML]
Rounding BigDecimal to *always* have two decimal places
...
Not the answer you're looking for? Browse other questions tagged java math bigdecimal rounding or ask your own question.
Pure virtual function with implementation
...hod same as the static method member calling. Some sort of class method in Java.
– Sany Liew
Mar 3 '14 at 12:33
...
Arrow operator (->) usage in C
...eading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the equivale...
If list index exists, do X
... exception handling in these instances is the style Python promotes that C/Java/C# don't. See stackoverflow.com/questions/11360858/…
– Tinister
Jan 9 '15 at 21:49
...
Remove characters except digits from string using Python?
... as THE text string type, instead of byte strings as in Py2 -- same reason Java and C# have always had the same "string means unicode" meme... some overhead, maybe, but MUCH better support for just about anything but English!-).
– Alex Martelli
Sep 21 '09 at 2:...
Read a file one line at a time in node.js?
...check if it's the last one
}
});
you can even iterate the file with a "java-style" interface, if you need more control:
lineReader.open('file.txt', function(reader) {
if (reader.hasNextLine()) {
reader.nextLine(function(line) {
console.log(line);
});
}
});
...
How to match “anything up until this sequence of characters” in a regular expression?
...
For regex in Java, and I believe also in most regex engines, if you want to include the last part this will work:
.+?(abc)
For example, in this line:
I have this very nice senabctence
select all characters until "abc" and also inclu...
How do I keep the screen on in my App? [duplicate]
...d:
we can use keepScreenOn
1. implementation using setKeepScreenOn() in java code:
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
View v = getLayoutInflater().inflate(R.layout.drive...
Thread-safe List property
...
Java? One of the few features I miss about it. But it's usually written as: Collections.synchronizedList(new ArrayList());
– Nick
May 29 '18 at 21:21
...
How to define Gradle's home in IDEA?
...
For Arch Linux it is: /usr/share/java/gradle
– SirWojtek
Jan 4 '19 at 8:35
|
show 2 more comments
...