大约有 40,000 项符合查询结果（耗时：0.0369秒） [XML]
How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
...
python tuple to dict
For the tuple, t = ((1, 'a'),(2, 'b'))
dict(t) returns {1: 'a', 2: 'b'}
6 Answers
...
:after vs. ::after
Is there any functional difference between the CSS 2.1 :after and the CSS 3 ::after pseudo-selectors (other than ::after not being supported in older browsers)? Is there any practical reason to use the newer specification?
...
Unique constraint that allows empty values in MySQL
I have a field that stores product codes. The codes are unique, but some products simply doesn't have a code. I can't invent codes because those are providers codes.
...
Which Boost features overlap with C++11?
I put my C++ skills on the shelf several years ago and it seems now, when I need them again, the landscape has changed.
2 A...
R data formats: RData, Rda, Rds etc
What are the main differences between .RData, .Rda and .Rds files?
2 Answers
2
...
Insert the carriage return character in vim
I'm editing a network protocol frame stored a file in Unix ( \n newlines). I need to insert the carriage return character ( U+000D aka \r ). When I try to paste it from the clipboard ( "+p ) or type it using Ctrl + Shift + u - 000d , the linefeed is inserted ( U+000A ).
...
Django fix Admin plural
How do I change some models name from "Categorys" to "Categories" on admin site in the new dev django version?
In the old version (whithout admin sites and admin models) you could just do this;
http://www.the-dig.com/blog/post/customize-plural-name-django-admin/
...
Why is there an injected class name?
Recently, I saw a strange C++ feature: injected class name .
1 Answer
1
...
Create dynamic URLs in Flask with url_for()
...iable say, /<variable>/add or /<variable>/remove . How do I create links to those locations?
4 Answers
...