大约有 43,200 项符合查询结果（耗时：0.0336秒） [XML]
What's the (hidden) cost of Scala's lazy val?
...$0;
private String msg;
public String msg() {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
if ((bitmap$0 & 1) == 0) {
synchronized (this) {
msg = "Lazy";
}
}
bitmap$0 = bitmap$0 | 1;
...
python numpy machine epsilon
...
193
An easier way to get the machine epsilon for a given float type is to use np.finfo():
print(n...
Java regex capturing groups indexes
...
183
Capturing and grouping
Capturing group (pattern) creates a group that has capturing property....
Getting the array length of a 2D array in Java
...
12 Answers
12
Active
...
T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...
11 Answers
11
Active
...
When to use lambda, when to use Proc.new?
In Ruby 1.8, there are subtle differences between proc/lambda on the one hand, and Proc.new on the other.
14 Answers
...
What is the purpose of Order By 1 in SQL select statement?
...e at work, and have noticed that there are several views with an order by 1 clause. What does this accomplish?
8 Answer...