大约有 47,000 项符合查询结果（耗时：0.0472秒） [XML]
Reverse Range in Swift
...
Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range
for i in (1...5).reversed() { print(i) } // 5 4 3 2 1
Or stride(from:through:by:) method
for i in stride(from:5,through:1,by:-1) { print(i) } // 5 4 3 2 1
stide(from:to:b...
Why does Math.round(0.49999999999999994) return 1?
...Java 7 no longer mandates this broken implementation.3
The problem
0.5+0.49999999999999994 is exactly 1 in double precision:
static void print(double d) {
System.out.printf("%016x\n", Double.doubleToLongBits(d));
}
public static void main(String args[]) {
double a = 0.5;
double b = 0...
Select multiple records based on list of Id's with linq
...
4 Answers
4
Active
...
Definition of a Balanced Tree
...
124
The constraint is generally applied recursively to every subtree. That is, the tree is only bala...
How to search for occurrences of more than one space between words in a line
...
edited Sep 21 '10 at 10:14
answered Sep 21 '10 at 9:16
Ale...
New Array from Index Range Swift
...
edited Jan 28 '15 at 17:24
answered Jun 4 '14 at 10:01
Cez...
Why is [1,2] + [3,4] = “1,23,4” in JavaScript?
...t how the + operator behaves in general also.
So, here it goes.
Excluding E4X and implementation-specific stuff, Javascript (as of ES5) has 6 built-in data types:
Undefined
Null
Boolean
Number
String
Object
Note that although typeof somewhat confusingly returns object for Null and function for cal...
How to merge 2 JSON objects from 2 files using jq?
...
Since 1.4 this is now possible with the * operator. When given two objects, it will merge them recursively. For example,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
W...
Process all arguments except the first one (in a bash script)
...
Oliver CharlesworthOliver Charlesworth
246k2626 gold badges510510 silver badges632632 bronze badges
...