大约有 40,000 项符合查询结果（耗时：0.0405秒） [XML]
Extract file name from path, no matter what the os/path format
...asename will be empty, so make your own function to deal with it:
def path_leaf(path):
head, tail = ntpath.split(path)
return tail or ntpath.basename(head)
Verification:
>>> paths = ['a/b/c/', 'a/b/c', '\\a\\b\\c', '\\a\\b\\c\\', 'a\\b\\c',
... 'a/b/../../a/b/c/', 'a/b/../....
trying to animate a constraint in swift
...t tapGesture = UITapGestureRecognizer(target: self, action: #selector(doIt(_:)))
textView.addGestureRecognizer(tapGesture)
}
@objc func doIt(_ sender: UITapGestureRecognizer) {
heightConstraint.constant = heightConstraint.constant == 50 ? 150 : 50
UIView.animate(with...
How to force ASP.NET Web API to always return JSON?
...otiator : IContentNegotiator
{
private readonly JsonMediaTypeFormatter _jsonFormatter;
public JsonContentNegotiator(JsonMediaTypeFormatter formatter)
{
_jsonFormatter = formatter;
}
public ContentNegotiationResult Negotiate(
Type type,
Http...
Iterate over the lines of a string
...< 0: break
yield foo[prevnl + 1:nextnl]
prevnl = nextnl
if __name__ == '__main__':
for f in f1, f2, f3:
print list(f())
Running this as the main script confirms the three functions are equivalent. With timeit (and a * 100 for foo to get substantial strings for more precise me...
What does the brk() system call do?
...rge (say, >128K) allocations. See, for instance, the discussion of MMAP_THRESHOLD in the Linux malloc(3) manpage.
– zwol
Aug 9 '11 at 15:26
1
...
How to Query an NTP Server using C#?
...on code (after testing and review of course).
– dodgy_coder
Sep 23 '14 at 5:33
2
Why I get LAN wi...
What are conventions for filenames in Go?
...
There's a few guidelines to follow.
File names that begin with "." or "_" are ignored by the go tool
Files with the suffix _test.go are only compiled and run by the go test tool.
Files with os and architecture specific suffixes automatically follow those same constraints, e.g. name_linux.go will...
How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
...e + operator, which returns the concatenation of the lists:
concat = first_list + second_list
One disadvantage of this method is that twice the memory is now being used . For very large lists, depending on how you're going to use it once it's created, itertools.chain might be your best bet:
>&...
How to deep copy a list?
...
E0_copy is not a deep copy. You don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies).
You use copy.deepcopy(...) for deep copying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy operat...
How do I convert a String object into a Hash object?
... different string, you can do it without using dangerous eval method:
hash_as_string = "{\"0\"=>{\"answer\"=>\"1\", \"value\"=>\"No\"}, \"1\"=>{\"answer\"=>\"2\", \"value\"=>\"Yes\"}, \"2\"=>{\"answer\"=>\"3\", \"value\"=>\"No\"}, \"3\"=>{\"answer\"=>\"4\", \"value\...