大约有 47,000 项符合查询结果(耗时:0.0439秒) [XML]

https://stackoverflow.com/ques... 

What is q=0.5 in Accept* HTTP headers?

...y factor. It specifies what language the user would prefer, on a scale of 0 to 1, as can be seen from the HTTP/1.1 Specification, §14.4: Each language-range MAY be given an associated quality value which represents an estimate of the user's preference for the languages specified by that range. Th...
https://stackoverflow.com/ques... 

Difference between Math.Floor() and Math.Truncate()

...| edited May 23 '17 at 12:03 Community♦ 111 silver badge answered Aug 1 '08 at 12:26 ...
https://stackoverflow.com/ques... 

List comprehension on a nested list?

... answered Aug 6 '13 at 6:05 Andrew ClarkAndrew Clark 171k2525 gold badges236236 silver badges278278 bronze badges ...
https://stackoverflow.com/ques... 

Why does range(start, end) not include end?

... Because it's more common to call range(0, 10) which returns [0,1,2,3,4,5,6,7,8,9] which contains 10 elements which equals len(range(0, 10)). Remember that programmers prefer 0-based indexing. Also, consider the following common code snippet: for i in range(len(l...
https://stackoverflow.com/ques... 

How to write a cron that will run a script every day at midnight?

...how to use it on Ubuntu. Your crontab line will look something like this: 00 00 * * * ruby path/to/your/script.rb (00 00 indicates midnight--0 minutes and 0 hours--and the *s mean every day of every month.) Syntax: mm hh dd mt wd command mm minute 0-59 hh hour 0-23 dd day of month 1-...
https://stackoverflow.com/ques... 

What are the advantages of using nullptr?

... handle nullptr argument!!! 1. In C++, NULL is defined as #define NULL 0, so it is basically int, that is why f(int) is called. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to connect to Mysql Server inside VirtualBox Vagrant?

... can I connect to that server outside the vm? I already forward the port 3306 of the Vagrantfile , but when I try to connect to the mysql server, it`s resposts with the error: 'reading initial communication packet' ...
https://stackoverflow.com/ques... 

str performance in python

... 105 '%s' % 100000 is evaluated by the compiler and is equivalent to a constant at run-time. >&g...
https://stackoverflow.com/ques... 

How can I count the number of matches for a regex?

... following. (Starting from Java 9, there is a nicer solution) int count = 0; while (matcher.find()) count++; Btw, matcher.groupCount() is something completely different. Complete example: import java.util.regex.*; class Test { public static void main(String[] args) { String hel...
https://stackoverflow.com/ques... 

Controlling maven final name of jar artifact

... 303 You set the finalName property in the plugin configuration section: <plugin> <gro...