大约有 47,000 项符合查询结果（耗时：0.0459秒） [XML]
Why 0 is true but false is 1 in the shell?
The above will output 1 , which is contradictory with all other programming languages I know.
10 Answers
...
Two-dimensional array in Swift
...ments):
// 2 dimensional array of arrays of Ints set to 0. Arrays size is 10x5
var arr = Array(count: 3, repeatedValue: Array(count: 2, repeatedValue: 0))
// ...and for Swift 3+:
var arr = Array(repeating: Array(repeating: 0, count: 2), count: 3)
Change element at position
arr[0][1] = 18
OR
...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...
13 Answers
13
Active
...
Position of least significant bit that is set
...
170
Bit Twiddling Hacks offers an excellent collection of, er, bit twiddling hacks, with performan...
Double vs. BigDecimal?
... has a certain precision. Working with doubles of various magnitudes (say d1=1000.0 and d2=0.001) could result in the 0.001 being dropped alltogether when summing as the difference in magnitude is so large. With BigDecimal this would not happen.
The disadvantage of BigDecimal is that it's slower, a...
Fastest way to reset every value of std::vector to 0
...
|
edited Apr 21 '17 at 9:20
Qix - MONICA WAS MISTREATED
11.4k1212 gold badges7171 silver badges128128 bronze badges
...
How to initialize an array's length in JavaScript?
...
18 Answers
18
Active
...
Ruby, remove last N characters from a string?
...
13 Answers
13
Active
...
Decreasing for loops in Python impossible?
...
for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
share
|
improve this answer
|
follow
|
...
How do I get indices of N maximum values in a NumPy array?
...
16 Answers
16
Active
...