大约有 48,000 项符合查询结果（耗时：0.0644秒） [XML]
What's a monitor in Java?
...
A monitor is mechanism to control concurrent access to an object.
This allows you to do:
Thread 1:
public void a()
{
synchronized(someObject) {
// do something (1)
}
}
Thread 2:
public void b()
{
synchronized(someObject) {
// do something else (2)
}
}
This ...
How do I make a batch file terminate upon encountering an error?
I have a batch file that's calling the same executable over and over with different parameters. How do I make it terminate immediately if one of the calls returns an error code of any level?
...
Is there a software-engineering methodology for functional programming? [closed]
...g people have not yet discovered functional programming. Here are some parallels:
Many OO "design patterns" are captured as higher-order functions. For example, the Visitor pattern is known in the functional world as a "fold" (or if you are a pointy-headed theorist, a "catamorphism"). In functi...
Any good boolean expression simplifiers out there? [closed]
...
For a quick online tool this is really helpful: tma.main.jp/logic/index_en.html
– Lenar Hoyt
Apr 6 '17 at 0:33
add a comment
...
How to get a number of random elements from an array?
... @Derek朕會功夫 Ah, clever, that works much better for small samples from large ranges indeed. Especially with using an ES6 Set (which wasn't available in '13 :-/)
– Bergi
Aug 8 '17 at 0:22
...
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...ization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiv...
Is there an eval() function in Java? [duplicate]
...to do some math seems like a huge waste. But you're right, it works, especially if efficiency isn't a priority.
– Sasha Chedygov
Apr 9 '10 at 4:21
...
Cycles in family tree software
...this format contains some severe misconceptions about what a family tree really looks like.
GEDCOM has many issues, such as incompatibility with same sex relations, incest, etc... Which in real life happens more often than you'd imagine (especially when going back in time to the 1700-1800).
We hav...
UILabel is not auto-shrinking text to fit label size
...rs now.. Depending on situation i have to calculate UILabels size dynamically,
e.g my UIViewController receives an event and i change UILabels size. from bigger to smaller. The size of my UILabel gets smaller and i get the correct needed size, but the text in my UILabel stays the sam...
Maven 3 warnings about build.plugins.plugin.version
...ople have mentioned why the issue is happening, but fail to suggest a fix. All I needed to do was to go into my POM file for my project, and add the <version> tag as shown above.
To discover the version number, one way is to look in Maven's output after it finishes running. Where you are miss...