大约有 16,000 项符合查询结果（耗时：0.0336秒） [XML]
How to remove \xa0 from string in Python?
I am currently using Beautiful Soup to parse an HTML file and calling get_text() , but it seems like I'm being left with a lot of \xa0 Unicode representing spaces. Is there an efficient way to remove all of them in Python 2.7, and change them into spaces? I guess the more generalized question would...
What does (x ^ 0x1) != 0 mean?
...
The XOR operation (x ^ 0x1) inverts bit 0. So the expression effectively means: if bit 0 of x is 0, or any other bit of x is 1, then the expression is true.
Conversely the expression is false if x == 1.
So the test is the same as:
if (x != 1)
and is theref...
Calculate the center point of multiple latitude/longitude coordinate pairs
...t averaging them has weird edge cases with angles when they wrap from 359' back to 0'.
A much earlier question on SO asked about finding the average of a set of compass angles.
An expansion of the approach recommended there for spherical coordinates would be:
Convert each lat/long pair into a un...
Send attachments with PHP Mail()?
I need to send a pdf with mail, is it possible?
14 Answers
14
...
Window.open and pass parameters by post method
...h window.open method I open new site with parameters, which I have to pass by post method.I've found solution, but unfortunately it doesn't work. This is my code:
...
How do I make the first letter of a string uppercase in JavaScript?
How do I make the first letter of a string uppercase, but not change the case of any of the other letters?
94 Answers
...
Circle-Rectangle collision detection (intersection)
... a point in the circle.
Note that this does not require the rectangle to be axis-parallel.
(One way to see this: if none of the edges has a point in the circle (if all the edges are completely "outside" the circle), then the only way the circle can still intersect the polygon is if it lies com...
Pros and Cons of SQLite and Shared Preferences [closed]
What is the good mechanism to store information among SQLite database and Shared Preferences?
5 Answers
...
Use of undeclared identifier 'kUTTypeMovie'
I am getting the error message - Use of undeclared identifier 'kUTTypeMovie'
6 Answers
...
How to find where a method is defined at runtime?
We recently had a problem where, after a series of commits had occurred, a backend process failed to run. Now, we were good little boys and girls and ran rake test after every check-in but, due to some oddities in Rails' library loading, it only occurred when we ran it directly from Mongrel in pro...