大约有 44,000 项符合查询结果（耗时：0.0559秒） [XML]
Python creating a dictionary of lists
...;> d = defaultdict(list)
>>> a = ['1', '2']
>>> for i in a:
... for j in range(int(i), int(i) + 2):
... d[j].append(i)
...
>>> d
defaultdict(<type 'list'>, {1: ['1'], 2: ['1', '2'], 3: ['2']})
>>> d.items()
[(1, ['1']), (2, ['1', '2']), (3, ['2'])]
...
Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
Browser support for URLs beginning with double slash
I've recently seen a few links used without a protocol. It didn't seem too difficult to understand - I think it's a great idea and pretty intuitive.
...
Cannot get to $rootScope
The following file "works" (the sense that it does not throw any errors):
3 Answers
3
...
Can't push to GitHub because of large file which I already deleted
...
You can use
git filter-branch --index-filter 'git rm -r --cached --ignore-unmatch <file/dir>' HEAD
This will delete everything in the history of that file. The problem is that the file is present in the history.
This command changes the hashes of y...
Using usort in php with a class private function
ok using usort with a function is not so complicated
5 Answers
5
...
How to automatically navigate to the current class in Intellij Idea Project Tool Window?
I would like to have a keyboard shortcut in IntelliJ IDEA that has the following effect: the tree in the project tool window expands to show the currently open class (or file), and this class becomes selected in the tree.
...
Which characters are illegal within a branch name?
Which characters are illegal within a branch name?
2 Answers
2
...
Zero-pad digits in string
I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions
...
How to turn off word wrapping in HTML?
I feel silly for not being able to figure this out, but how do I turn off wordwrap? the css word-wrap property can be forced on with break-word , but cannot be forced off (only can be left alone with normal value).
...