大约有 11,500 项符合查询结果(耗时:0.0266秒) [XML]
MySQL ON vs USING?
In a MySQL JOIN , what is the difference between ON and USING() ? As far as I can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USI...
Archives not showing up in Organizer for Xcode 4
... to a single answer)
Try one of the following (or all)
Instead of using Build For -> Archive, in the product menu just use archive. It will show up then.
In the scheme editor, edit the scheme and go to the Archive tab, make sure the check box for show in Organizer is checked.
In the archive ta...
Generate JSON string from NSDictionary in iOS
I have a dictionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
...
Is it possible to make a div 50px less than 100% in CSS3? [duplicate]
Is it possible to make a div 50px less than 100% in pure CSS? I want the <div> to be only 50px less than 100%. I don't want any JavaScript.
...
When to use ' (or quote) in Lisp?
After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen.
...
How do I set vertical space between list items?
Within a <ul> element, clearly the vertical spacing between lines can be formatted with the line-height attribute.
...
Merging two arrays in .NET
Is there a built in function in .NET 2.0 that will take two arrays and merge them into one array?
21 Answers
...
Find intersection of two nested lists?
...3, 28], [1,6]]
Then here is your solution for Python 2:
c3 = [filter(lambda x: x in c1, sublist) for sublist in c2]
In Python 3 filter returns an iterable instead of list, so you need to wrap filter calls with list():
c3 = [list(filter(lambda x: x in c1, sublist)) for sublist in c2]
Explanat...
Hg: How to do a rebase like git's rebase
...
VonC has the answer you're looking for, the Rebase Extension. It is, however, worth spending a second or two thinking about why neither mq nor rebase are enabled by default in mercurial: because mercurial is all about indelible changesets. When I work in the manner you...
Easiest way to convert a List to a Set in Java
... edited Jul 13 '15 at 18:11
brso05
12.4k11 gold badge1616 silver badges3535 bronze badges
answered Sep 15 '09 at 22:05
...
