大约有 41,270 项符合查询结果（耗时：0.0472秒） [XML]
Swift: Pass array by reference?
...
edited Nov 15 '17 at 21:23
iwasrobbed
44.5k2020 gold badges138138 silver badges187187 bronze badges
ans...
Convert NSArray to NSString in Objective-C
I am wondering how to convert an NSArray [@"Apple", @"Pear ", 323, @"Orange"] to a string in Objective-C .
9 Answers
...
Extracting the last n characters from a ruby string
...a one liner, you can put a number greater than the size of the string:
"123".split(//).last(5).to_s
For ruby 1.9+
"123".split(//).last(5).join("").to_s
For ruby 2.0+, join returns a string
"123".split(//).last(5).join
...
Check difference in seconds between two times
...8
JonJon
383k6868 gold badges674674 silver badges755755 bronze badges
...
How to send POST request?
...
399
If you really want to handle with HTTP using Python, I highly recommend Requests: HTTP for Hum...
How to round a number to significant figures in Python
...
You can use negative numbers to round integers:
>>> round(1234, -3)
1000.0
Thus if you need only most significant digit:
>>> from math import log10, floor
>>> def round_to_1(x):
... return round(x, -int(floor(log10(abs(x)))))
...
>>> round_to_1(0.0232)...
Convert array of integers to comma-separated string
...
|
edited May 31 '13 at 18:34
Gibron
1,25011 gold badge99 silver badges2222 bronze badges
an...
How to deserialize a JObject to .NET object
...
3 Answers
3
Active
...
How to save and load cookies using Python + Selenium WebDriver
...
Ratmir Asanov
4,96344 gold badges1717 silver badges3434 bronze badges
answered Feb 25 '13 at 0:41
Ali-Akber SaifeeAli-A...
What does the number in parentheses shown after Unix command names in manpages mean?
For example: man(1) , find(3) , updatedb(2) ?
7 Answers
7
...